15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// This header file defines the set of trace_event macros without specifying 6c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// how the events actually get collected and stored. If you need to expose trace 7c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// events to some other universe, you can copy-and-paste this file as well as 8c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// trace_event.h, modifying the macros contained there as necessary for the 9c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// target platform. The end result is that multiple libraries can funnel events 10c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// through to a shared trace event collector. 11c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 12c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Trace events are for tracking application performance and resource usage. 13c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Macros are provided to track: 14c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Begin and end of function calls 15c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Counters 16c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 17c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Events are issued against categories. Whereas LOG's 18c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// categories are statically defined, TRACE categories are created 19c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// implicitly with a string. For example: 20ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch// TRACE_EVENT_INSTANT0("MY_SUBSYSTEM", "SomeImportantEvent", 21ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch// TRACE_EVENT_SCOPE_THREAD) 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 23c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// It is often the case that one trace may belong in multiple categories at the 24c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// same time. The first argument to the trace can be a comma-separated list of 25c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// categories, forming a category group, like: 26c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 27ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch// TRACE_EVENT_INSTANT0("input,views", "OnMouseOver", TRACE_EVENT_SCOPE_THREAD) 28c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 29c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// We can enable/disable tracing of OnMouseOver by enabling/disabling either 30c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// category. 31c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 32c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Events can be INSTANT, or can be pairs of BEGIN and END in the same scope: 33c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_BEGIN0("MY_SUBSYSTEM", "SomethingCostly") 34c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// doSomethingCostly() 35c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_END0("MY_SUBSYSTEM", "SomethingCostly") 36c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Note: our tools can't always determine the correct BEGIN/END pairs unless 37c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// these are used in the same scope. Use ASYNC_BEGIN/ASYNC_END macros if you 38c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// need them to be in separate scopes. 39c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 40c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// A common use case is to trace entire function scopes. This 41c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// issues a trace BEGIN and END automatically: 42c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// void doSomethingCostly() { 43c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT0("MY_SUBSYSTEM", "doSomethingCostly"); 44c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// ... 45c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// } 46c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 47c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Additional parameters can be associated with an event: 48c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// void doSomethingCostly2(int howMuch) { 49c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT1("MY_SUBSYSTEM", "doSomethingCostly", 50c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// "howMuch", howMuch); 51c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// ... 52c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// } 53c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 54c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// The trace system will automatically add to this information the 55c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// current process id, thread id, and a timestamp in microseconds. 56c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 57c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// To trace an asynchronous procedure such as an IPC send/receive, use 58c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// ASYNC_BEGIN and ASYNC_END: 59c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// [single threaded sender code] 60c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// static int send_count = 0; 61c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// ++send_count; 62c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_ASYNC_BEGIN0("ipc", "message", send_count); 63c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Send(new MyMessage(send_count)); 64c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// [receive code] 65c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// void OnMyMessage(send_count) { 66c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_ASYNC_END0("ipc", "message", send_count); 67c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// } 68c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// The third parameter is a unique ID to match ASYNC_BEGIN/ASYNC_END pairs. 69c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// ASYNC_BEGIN and ASYNC_END can occur on any thread of any traced process. 70c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Pointers can be used for the ID parameter, and they will be mangled 71c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// internally so that the same pointer on two different processes will not 72c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// match. For example: 73c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// class MyTracedClass { 74c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// public: 75c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// MyTracedClass() { 76c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_ASYNC_BEGIN0("category", "MyTracedClass", this); 77c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// } 78c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// ~MyTracedClass() { 79c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_ASYNC_END0("category", "MyTracedClass", this); 80c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// } 81c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// } 82c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 83c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Trace event also supports counters, which is a way to track a quantity 84c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// as it varies over time. Counters are created with the following macro: 85c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_COUNTER1("MY_SUBSYSTEM", "myCounter", g_myCounterValue); 86c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 87c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Counters are process-specific. The macro itself can be issued from any 88c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// thread, however. 89c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 90c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Sometimes, you want to track two counters at once. You can do this with two 91c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// counter macros: 92c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_COUNTER1("MY_SUBSYSTEM", "myCounter0", g_myCounterValue[0]); 93c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_COUNTER1("MY_SUBSYSTEM", "myCounter1", g_myCounterValue[1]); 94c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Or you can do it with a combined macro: 95c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_COUNTER2("MY_SUBSYSTEM", "myCounter", 96c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// "bytesPinned", g_myCounterValue[0], 97c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// "bytesAllocated", g_myCounterValue[1]); 98c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// This indicates to the tracing UI that these counters should be displayed 99c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// in a single graph, as a summed area chart. 100c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 101ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch// Since counters are in a global namespace, you may want to disambiguate with a 102c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// unique ID, by using the TRACE_COUNTER_ID* variations. 103c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 104c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// By default, trace collection is compiled in, but turned off at runtime. 105c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Collecting trace data is the responsibility of the embedding 106c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// application. In Chrome's case, navigating to about:tracing will turn on 107c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// tracing and display data collected across all active processes. 108c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 109c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 110c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Memory scoping note: 111c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Tracing copies the pointers, not the string content, of the strings passed 112c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// in for category_group, name, and arg_names. Thus, the following code will 113c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// cause problems: 114c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// char* str = strdup("importantName"); 115c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_INSTANT0("SUBSYSTEM", str); // BAD! 116c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// free(str); // Trace system now has dangling pointer 117c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 118c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// To avoid this issue with the |name| and |arg_name| parameters, use the 119c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_COPY_XXX overloads of the macros at additional runtime overhead. 120c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Notes: The category must always be in a long-lived char* (i.e. static const). 121c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// The |arg_values|, when used, are always deep copied with the _COPY 122c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// macros. 123c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 124c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// When are string argument values copied: 125c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// const char* arg_values are only referenced by default: 126c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT1("category", "name", 127c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// "arg1", "literal string is only referenced"); 128c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Use TRACE_STR_COPY to force copying of a const char*: 129c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT1("category", "name", 130c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// "arg1", TRACE_STR_COPY("string will be copied")); 131c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// std::string arg_values are always copied: 132c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT1("category", "name", 133c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// "arg1", std::string("string will be copied")); 134c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 135c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 1368bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)// Convertable notes: 137c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Converting a large data type to a string can be costly. To help with this, 138c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// the trace framework provides an interface ConvertableToTraceFormat. If you 139c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// inherit from it and implement the AppendAsTraceFormat method the trace 140c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// framework will call back to your object to convert a trace output time. This 141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// means, if the category for the event is disabled, the conversion will not 142c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// happen. 143c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 144c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// class MyData : public base::debug::ConvertableToTraceFormat { 145c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// public: 146c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// MyData() {} 147c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// virtual void AppendAsTraceFormat(std::string* out) const OVERRIDE { 148c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// out->append("{\"foo\":1}"); 149c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// } 150c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// private: 1514e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)// virtual ~MyData() {} 152c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// DISALLOW_COPY_AND_ASSIGN(MyData); 153c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// }; 154c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 155c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT1("foo", "bar", "data", 1564e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)// scoped_refptr<ConvertableToTraceFormat>(new MyData())); 157c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 158c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// The trace framework will take ownership if the passed pointer and it will 159c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// be free'd when the trace buffer is flushed. 160c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 161c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Note, we only do the conversion when the buffer is flushed, so the provided 162c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// data object should not be modified after it's passed to the trace framework. 163c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 164c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 165c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Thread Safety: 166c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// A thread safe singleton and mutex are used for thread safety. Category 167c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// enabled flags are used to limit the performance impact when the system 168c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// is not enabled. 169c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 170c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT macros first cache a pointer to a category. The categories are 171c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// statically allocated and safe at all times, even after exit. Fetching a 172c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// category is protected by the TraceLog::lock_. Multiple threads initializing 173c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// the static variable is safe, as they will be serialized by the lock and 174c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// multiple calls will return the same pointer to the category. 175c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 176c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Then the category_group_enabled flag is checked. This is a unsigned char, and 177c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// not intended to be multithread safe. It optimizes access to AddTraceEvent 178c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// which is threadsafe internally via TraceLog::lock_. The enabled flag may 179c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// cause some threads to incorrectly call or skip calling AddTraceEvent near 180c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// the time of the system being enabled or disabled. This is acceptable as 181c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// we tolerate some data loss while the system is being enabled/disabled and 182c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// because AddTraceEvent is threadsafe internally and checks the enabled state 183c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// again under lock. 184c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// 185c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Without the use of these static category pointers and enabled flags all 186ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch// trace points would carry a significant performance cost of acquiring a lock 187c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// and resolving the category. 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef BASE_DEBUG_TRACE_EVENT_H_ 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define BASE_DEBUG_TRACE_EVENT_H_ 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 192c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#include <string> 193c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/atomicops.h" 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/debug/trace_event_impl.h" 196bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#include "base/debug/trace_event_memory.h" 197d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "base/debug/trace_event_system_stats_monitor.h" 19823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)#include "base/time/time.h" 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "build/build_config.h" 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 201c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// By default, const char* argument values are assumed to have long-lived scope 202c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// and will not be copied. Use this macro to force a const char* to be copied. 203c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_STR_COPY(str) \ 204c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::TraceStringWithCopy(str) 205c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 206b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// This will mark the trace event as disabled by default. The user will need 207b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// to explicitly enable the event. 208b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)#define TRACE_DISABLED_BY_DEFAULT(name) "disabled-by-default-" name 209b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 210c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// By default, uint64 ID argument values are not mangled with the Process ID in 211c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_ASYNC macros. Use this macro to force Process ID mangling. 212c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_ID_MANGLE(id) \ 213c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::TraceID::ForceMangle(id) 214c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 215c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// By default, pointers are mangled with the Process ID in TRACE_EVENT_ASYNC 216c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// macros. Use this macro to prevent Process ID mangling. 217c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_ID_DONT_MANGLE(id) \ 218c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::TraceID::DontMangle(id) 219c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 220c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a pair of begin and end events called "name" for the current 221c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// scope, with 0, 1 or 2 associated arguments. If the category is not 222c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// enabled, then this does nothing. 223c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 224c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 225c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT0(category_group, name) \ 226bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch INTERNAL_TRACE_MEMORY(category_group, name) \ 227c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_SCOPED(category_group, name) 228c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT1(category_group, name, arg1_name, arg1_val) \ 229bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch INTERNAL_TRACE_MEMORY(category_group, name) \ 230c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_SCOPED(category_group, name, arg1_name, arg1_val) 231bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch#define TRACE_EVENT2( \ 232bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch category_group, name, arg1_name, arg1_val, arg2_name, arg2_val) \ 233bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch INTERNAL_TRACE_MEMORY(category_group, name) \ 234bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch INTERNAL_TRACE_EVENT_ADD_SCOPED( \ 235bbcdd45c55eb7c4641ab97aef9889b0fc828e7d3Ben Murdoch category_group, name, arg1_name, arg1_val, arg2_name, arg2_val) 236c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 237424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)// Records events like TRACE_EVENT2 but uses |memory_tag| for memory tracing. 238424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)// Use this where |name| is too generic to accurately aggregate allocations. 239424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)#define TRACE_EVENT_WITH_MEMORY_TAG2( \ 240424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) category, name, memory_tag, arg1_name, arg1_val, arg2_name, arg2_val) \ 241424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) INTERNAL_TRACE_MEMORY(category, memory_tag) \ 242424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_SCOPED( \ 243424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) category, name, arg1_name, arg1_val, arg2_name, arg2_val) 244424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) 2457dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// UNSHIPPED_TRACE_EVENT* are like TRACE_EVENT* except that they are not 2467dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// included in official builds. 2477dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 2487dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#if OFFICIAL_BUILD 2497dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#undef TRACING_IS_OFFICIAL_BUILD 2507dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#define TRACING_IS_OFFICIAL_BUILD 1 2517dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#elif !defined(TRACING_IS_OFFICIAL_BUILD) 2527dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#define TRACING_IS_OFFICIAL_BUILD 0 2537dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#endif 2547dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 2557dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#if TRACING_IS_OFFICIAL_BUILD 256c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT0(category_group, name) (void)0 257c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT1(category_group, name, arg1_name, arg1_val) \ 258c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) (void)0 259c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT2(category_group, name, arg1_name, arg1_val, \ 260c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) (void)0 261c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT_INSTANT0(category_group, name, scope) (void)0 262c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT_INSTANT1(category_group, name, scope, \ 263c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) (void)0 264c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT_INSTANT2(category_group, name, scope, \ 265c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, \ 266c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) (void)0 267c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#else 268c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT0(category_group, name) \ 269c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT0(category_group, name) 270c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT1(category_group, name, arg1_name, arg1_val) \ 271c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT1(category_group, name, arg1_name, arg1_val) 272c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT2(category_group, name, arg1_name, arg1_val, \ 273c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 274c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT2(category_group, name, arg1_name, arg1_val, arg2_name, arg2_val) 275c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT_INSTANT0(category_group, name, scope) \ 276c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_INSTANT0(category_group, name, scope) 277c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT_INSTANT1(category_group, name, scope, \ 278c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) \ 279c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_INSTANT1(category_group, name, scope, arg1_name, arg1_val) 280c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define UNSHIPPED_TRACE_EVENT_INSTANT2(category_group, name, scope, \ 281c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, \ 282c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 283c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_INSTANT2(category_group, name, scope, arg1_name, arg1_val, \ 284c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) 285c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#endif 286c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 287c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a single event called "name" immediately, with 0, 1 or 2 288c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// associated arguments. If the category is not enabled, then this 289c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// does nothing. 290c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 291c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 292c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_INSTANT0(category_group, name, scope) \ 293c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, \ 294c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE | scope) 295c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_INSTANT1(category_group, name, scope, arg1_name, arg1_val) \ 296c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, \ 297c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE | scope, \ 298c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 299c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_INSTANT2(category_group, name, scope, arg1_name, arg1_val, \ 300c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 301c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, \ 302c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE | scope, \ 303c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 304c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_INSTANT0(category_group, name, scope) \ 305c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, \ 306c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY | scope) 307c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_INSTANT1(category_group, name, scope, \ 308c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) \ 309c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, \ 310c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY | scope, arg1_name, \ 311c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val) 312c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_INSTANT2(category_group, name, scope, \ 313c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, \ 314c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 315c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_INSTANT, \ 316c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY | scope, \ 317c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 318c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 319c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Sets the current sample state to the given category and name (both must be 320c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// constant strings). These states are intended for a sampling profiler. 321c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Implementation note: we store category and name together because we don't 322c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// want the inconsistency/expense of storing two pointers. 323c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// |thread_bucket| is [0..2] and is used to statically isolate samples in one 324c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// thread from others. 3257dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#define TRACE_EVENT_SET_SAMPLING_STATE_FOR_BUCKET( \ 3267dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch bucket_number, category, name) \ 3277dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch trace_event_internal:: \ 3287dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TraceEventSamplingStateScope<bucket_number>::Set(category "\0" name) 3297dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3307dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// Returns a current sampling state of the given bucket. 3317dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#define TRACE_EVENT_GET_SAMPLING_STATE_FOR_BUCKET(bucket_number) \ 3327dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch trace_event_internal::TraceEventSamplingStateScope<bucket_number>::Current() 3337dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3347dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// Creates a scope of a sampling state of the given bucket. 3357dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// 3367dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// { // The sampling state is set within this scope. 3377dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// TRACE_EVENT_SAMPLING_STATE_SCOPE_FOR_BUCKET(0, "category", "name"); 3387dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// ...; 3397dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// } 3407dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#define TRACE_EVENT_SCOPED_SAMPLING_STATE_FOR_BUCKET( \ 3417dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch bucket_number, category, name) \ 3427dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch trace_event_internal::TraceEventSamplingStateScope<bucket_number> \ 3437dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch traceEventSamplingScope(category "\0" name); 3447dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 3457dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// Syntactic sugars for the sampling tracing in the main thread. 3467dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#define TRACE_EVENT_SCOPED_SAMPLING_STATE(category, name) \ 3477dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TRACE_EVENT_SCOPED_SAMPLING_STATE_FOR_BUCKET(0, category, name) 3487dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#define TRACE_EVENT_GET_SAMPLING_STATE() \ 3497dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TRACE_EVENT_GET_SAMPLING_STATE_FOR_BUCKET(0) 3507dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#define TRACE_EVENT_SET_SAMPLING_STATE(category, name) \ 3517dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TRACE_EVENT_SET_SAMPLING_STATE_FOR_BUCKET(0, category, name) 3527dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 353c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 354c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a single BEGIN event called "name" immediately, with 0, 1 or 2 355c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// associated arguments. If the category is not enabled, then this 356c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// does nothing. 357c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 358c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 359c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_BEGIN0(category_group, name) \ 360c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_BEGIN, \ 361c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE) 362c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_BEGIN1(category_group, name, arg1_name, arg1_val) \ 363c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_BEGIN, \ 364c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) 365c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_BEGIN2(category_group, name, arg1_name, arg1_val, \ 366c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 367c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_BEGIN, \ 368c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val, \ 369c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) 370c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_BEGIN0(category_group, name) \ 371c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_BEGIN, \ 372c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY) 373c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_BEGIN1(category_group, name, arg1_name, arg1_val) \ 374c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_BEGIN, \ 375c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val) 376c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_BEGIN2(category_group, name, arg1_name, arg1_val, \ 377c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 378c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_BEGIN, \ 379c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val, \ 380c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) 381c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 382c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Similar to TRACE_EVENT_BEGINx but with a custom |at| timestamp provided. 383c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - |id| is used to match the _BEGIN event with the _END event. 384c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Events are considered to match if their category_group, name and id values 385c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// all match. |id| must either be a pointer or an integer value up to 64 bits. 386c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// If it's a pointer, the bits will be xored with a hash of the process ID so 387c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// that the same pointer on two different processes will not collide. 388c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_BEGIN_WITH_ID_TID_AND_TIMESTAMP0(category_group, \ 389c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) name, id, thread_id, timestamp) \ 390c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ 391c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_PHASE_ASYNC_BEGIN, category_group, name, id, thread_id, \ 392c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) timestamp, TRACE_EVENT_FLAG_NONE) 393c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_BEGIN_WITH_ID_TID_AND_TIMESTAMP0( \ 394c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, thread_id, timestamp) \ 395c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ 396c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_PHASE_ASYNC_BEGIN, category_group, name, id, thread_id, \ 397c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) timestamp, TRACE_EVENT_FLAG_COPY) 398c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 399c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a single END event for "name" immediately. If the category 400c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// is not enabled, then this does nothing. 401c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 402c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 403c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_END0(category_group, name) \ 404c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, \ 405c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE) 406c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_END1(category_group, name, arg1_name, arg1_val) \ 407c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, \ 408c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) 409c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_END2(category_group, name, arg1_name, arg1_val, \ 410c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 411c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, \ 412c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val, \ 413c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) 414c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_END0(category_group, name) \ 415c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, \ 416c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY) 417c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_END1(category_group, name, arg1_name, arg1_val) \ 418c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, \ 419c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val) 420c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_END2(category_group, name, arg1_name, arg1_val, \ 421c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 422c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_END, \ 423c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY, arg1_name, arg1_val, \ 424c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) 425c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 426c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Similar to TRACE_EVENT_ENDx but with a custom |at| timestamp provided. 427c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - |id| is used to match the _BEGIN event with the _END event. 428c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Events are considered to match if their category_group, name and id values 429c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// all match. |id| must either be a pointer or an integer value up to 64 bits. 430c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// If it's a pointer, the bits will be xored with a hash of the process ID so 431c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// that the same pointer on two different processes will not collide. 432c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_END_WITH_ID_TID_AND_TIMESTAMP0(category_group, \ 433c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) name, id, thread_id, timestamp) \ 434c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ 435c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_PHASE_ASYNC_END, category_group, name, id, thread_id, \ 436c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) timestamp, TRACE_EVENT_FLAG_NONE) 437c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_END_WITH_ID_TID_AND_TIMESTAMP0( \ 438c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, thread_id, timestamp) \ 439c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP( \ 440c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_PHASE_ASYNC_END, category_group, name, id, thread_id, \ 441c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) timestamp, TRACE_EVENT_FLAG_COPY) 442c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 443c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records the value of a counter called "name" immediately. Value 444c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// must be representable as a 32 bit integer. 445c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 446c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 447c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_COUNTER1(category_group, name, value) \ 448c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_COUNTER, \ 449c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE, \ 450c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) "value", static_cast<int>(value)) 451c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_COPY_COUNTER1(category_group, name, value) \ 452c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_COUNTER, \ 453c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY, \ 454c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) "value", static_cast<int>(value)) 455c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 456c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records the values of a multi-parted counter called "name" immediately. 457c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// The UI will treat value1 and value2 as parts of a whole, displaying their 458c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// values as a stacked-bar chart. 459c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 460c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 461c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_COUNTER2(category_group, name, value1_name, value1_val, \ 462c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value2_name, value2_val) \ 463c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_COUNTER, \ 464c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_NONE, \ 465c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value1_name, static_cast<int>(value1_val), \ 466c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value2_name, static_cast<int>(value2_val)) 467c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_COPY_COUNTER2(category_group, name, value1_name, value1_val, \ 468c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value2_name, value2_val) \ 469c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD(TRACE_EVENT_PHASE_COUNTER, \ 470c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_EVENT_FLAG_COPY, \ 471c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value1_name, static_cast<int>(value1_val), \ 472c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value2_name, static_cast<int>(value2_val)) 473c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 474c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records the value of a counter called "name" immediately. Value 475c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// must be representable as a 32 bit integer. 476c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 477c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 478c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - |id| is used to disambiguate counters with the same name. It must either 479c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// be a pointer or an integer value up to 64 bits. If it's a pointer, the bits 480c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// will be xored with a hash of the process ID so that the same pointer on 481c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// two different processes will not collide. 482c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_COUNTER_ID1(category_group, name, id, value) \ 483c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_COUNTER, \ 484c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, \ 485c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) "value", static_cast<int>(value)) 486c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_COPY_COUNTER_ID1(category_group, name, id, value) \ 487c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_COUNTER, \ 488c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 489c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) "value", static_cast<int>(value)) 490c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 491c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records the values of a multi-parted counter called "name" immediately. 492c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// The UI will treat value1 and value2 as parts of a whole, displaying their 493c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// values as a stacked-bar chart. 494c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 495c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 496c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - |id| is used to disambiguate counters with the same name. It must either 497c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// be a pointer or an integer value up to 64 bits. If it's a pointer, the bits 498c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// will be xored with a hash of the process ID so that the same pointer on 499c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// two different processes will not collide. 500c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_COUNTER_ID2(category_group, name, id, value1_name, value1_val, \ 501c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value2_name, value2_val) \ 502c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_COUNTER, \ 503c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, \ 504c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value1_name, static_cast<int>(value1_val), \ 505c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value2_name, static_cast<int>(value2_val)) 506c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_COPY_COUNTER_ID2(category_group, name, id, value1_name, \ 507c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value1_val, value2_name, value2_val) \ 508c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_COUNTER, \ 509c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 510c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value1_name, static_cast<int>(value1_val), \ 511c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value2_name, static_cast<int>(value2_val)) 512c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 513c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 514c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a single ASYNC_BEGIN event called "name" immediately, with 0, 1 or 2 515c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// associated arguments. If the category is not enabled, then this 516c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// does nothing. 517c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 518c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 519c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - |id| is used to match the ASYNC_BEGIN event with the ASYNC_END event. ASYNC 520c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// events are considered to match if their category_group, name and id values 521c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// all match. |id| must either be a pointer or an integer value up to 64 bits. 522c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// If it's a pointer, the bits will be xored with a hash of the process ID so 523c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// that the same pointer on two different processes will not collide. 5241e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// 525c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// An asynchronous operation can consist of multiple phases. The first phase is 526c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// defined by the ASYNC_BEGIN calls. Additional phases can be defined using the 5271e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// ASYNC_STEP_INTO or ASYNC_STEP_PAST macros. The ASYNC_STEP_INTO macro will 5281e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// annotate the block following the call. The ASYNC_STEP_PAST macro will 5291e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// annotate the block prior to the call. Note that any particular event must use 5301e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// only STEP_INTO or STEP_PAST macros; they can not mix and match. When the 5311e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// operation completes, call ASYNC_END. 5321e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// 5331e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// An ASYNC trace typically occurs on a single thread (if not, they will only be 534c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// drawn on the thread defined in the ASYNC_BEGIN event), but all events in that 5351e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// operation must use the same |name| and |id|. Each step can have its own 536c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// args. 537c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_ASYNC_BEGIN0(category_group, name, id) \ 538c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_BEGIN, \ 539c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE) 540c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_ASYNC_BEGIN1(category_group, name, id, arg1_name, \ 541c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val) \ 542c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_BEGIN, \ 543c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) 544c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_ASYNC_BEGIN2(category_group, name, id, arg1_name, \ 545c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val, arg2_name, arg2_val) \ 546c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_BEGIN, \ 547c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, \ 548c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 549c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_ASYNC_BEGIN0(category_group, name, id) \ 550c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_BEGIN, \ 551c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY) 552c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_ASYNC_BEGIN1(category_group, name, id, arg1_name, \ 553c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val) \ 554c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_BEGIN, \ 555c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 556c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 557c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_ASYNC_BEGIN2(category_group, name, id, arg1_name, \ 558c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val, arg2_name, arg2_val) \ 559c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_BEGIN, \ 560c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 561c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 562c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 5631e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// Records a single ASYNC_STEP_INTO event for |step| immediately. If the 5641e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// category is not enabled, then this does nothing. The |name| and |id| must 5651e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// match the ASYNC_BEGIN event above. The |step| param identifies this step 5661e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// within the async event. This should be called at the beginning of the next 5671e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// phase of an asynchronous operation. The ASYNC_BEGIN event must not have any 5681e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// ASYNC_STEP_PAST events. 5691e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#define TRACE_EVENT_ASYNC_STEP_INTO0(category_group, name, id, step) \ 5701e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_STEP_INTO, \ 571c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, "step", step) 5721e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#define TRACE_EVENT_ASYNC_STEP_INTO1(category_group, name, id, step, \ 5731e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) arg1_name, arg1_val) \ 5741e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_STEP_INTO, \ 575c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, "step", step, \ 576c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 577b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 5781e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// Records a single ASYNC_STEP_PAST event for |step| immediately. If the 5791e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// category is not enabled, then this does nothing. The |name| and |id| must 5801e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// match the ASYNC_BEGIN event above. The |step| param identifies this step 5811e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// within the async event. This should be called at the beginning of the next 5821e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// phase of an asynchronous operation. The ASYNC_BEGIN event must not have any 5831e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// ASYNC_STEP_INTO events. 5841e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#define TRACE_EVENT_ASYNC_STEP_PAST0(category_group, name, id, step) \ 5851e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_STEP_PAST, \ 5861e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, "step", step) 5871e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#define TRACE_EVENT_ASYNC_STEP_PAST1(category_group, name, id, step, \ 5881e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) arg1_name, arg1_val) \ 5891e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_STEP_PAST, \ 5901e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, "step", step, \ 591c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 592c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 593c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a single ASYNC_END event for "name" immediately. If the category 594c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// is not enabled, then this does nothing. 595c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_ASYNC_END0(category_group, name, id) \ 596c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_END, \ 597c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE) 598c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_ASYNC_END1(category_group, name, id, arg1_name, arg1_val) \ 599c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_END, \ 600c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) 601c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_ASYNC_END2(category_group, name, id, arg1_name, arg1_val, \ 602c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 603c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_END, \ 604c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, \ 605c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 606c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_ASYNC_END0(category_group, name, id) \ 607c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_END, \ 608c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY) 609c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_ASYNC_END1(category_group, name, id, arg1_name, \ 610c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val) \ 611c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_END, \ 612c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 613c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 614c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_ASYNC_END2(category_group, name, id, arg1_name, \ 615c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val, arg2_name, arg2_val) \ 616c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_ASYNC_END, \ 617c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 618c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 619c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 620c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 621c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a single FLOW_BEGIN event called "name" immediately, with 0, 1 or 2 622c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// associated arguments. If the category is not enabled, then this 623c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// does nothing. 624c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - category and name strings must have application lifetime (statics or 625c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// literals). They may not include " chars. 626c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// - |id| is used to match the FLOW_BEGIN event with the FLOW_END event. FLOW 627c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// events are considered to match if their category_group, name and id values 628c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// all match. |id| must either be a pointer or an integer value up to 64 bits. 629c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// If it's a pointer, the bits will be xored with a hash of the process ID so 630c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// that the same pointer on two different processes will not collide. 631c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// FLOW events are different from ASYNC events in how they are drawn by the 632c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// tracing UI. A FLOW defines asynchronous data flow, such as posting a task 633c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// (FLOW_BEGIN) and later executing that task (FLOW_END). Expect FLOWs to be 634c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// drawn as lines or arrows from FLOW_BEGIN scopes to FLOW_END scopes. Similar 635c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// to ASYNC, a FLOW can consist of multiple phases. The first phase is defined 636c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// by the FLOW_BEGIN calls. Additional phases can be defined using the FLOW_STEP 637c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// macros. When the operation completes, call FLOW_END. An async operation can 638c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// span threads and processes, but all events in that operation must use the 639c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// same |name| and |id|. Each event can have its own args. 640c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLOW_BEGIN0(category_group, name, id) \ 641c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_BEGIN, \ 642c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE) 643c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLOW_BEGIN1(category_group, name, id, arg1_name, arg1_val) \ 644c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_BEGIN, \ 645c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) 646c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLOW_BEGIN2(category_group, name, id, arg1_name, arg1_val, \ 647c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 648c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_BEGIN, \ 649c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, \ 650c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 651c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_FLOW_BEGIN0(category_group, name, id) \ 652c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_BEGIN, \ 653c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY) 654c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_FLOW_BEGIN1(category_group, name, id, arg1_name, \ 655c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val) \ 656c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_BEGIN, \ 657c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 658c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 659c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_FLOW_BEGIN2(category_group, name, id, arg1_name, \ 660c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val, arg2_name, arg2_val) \ 661c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_BEGIN, \ 662c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 663c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 664c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 665c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a single FLOW_STEP event for |step| immediately. If the category 666c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// is not enabled, then this does nothing. The |name| and |id| must match the 667c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// FLOW_BEGIN event above. The |step| param identifies this step within the 668c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// async event. This should be called at the beginning of the next phase of an 669c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// asynchronous operation. 670c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLOW_STEP0(category_group, name, id, step) \ 671c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_STEP, \ 672c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, "step", step) 673c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLOW_STEP1(category_group, name, id, step, \ 674c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) \ 675c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_STEP, \ 676c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, "step", step, \ 677c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 678c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_FLOW_STEP0(category_group, name, id, step) \ 679c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_STEP, \ 680c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, "step", step) 681c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_FLOW_STEP1(category_group, name, id, step, \ 682c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) \ 683c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_STEP, \ 684c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, "step", step, \ 685c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 686c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 687c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Records a single FLOW_END event for "name" immediately. If the category 688c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// is not enabled, then this does nothing. 689c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLOW_END0(category_group, name, id) \ 690c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \ 691c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE) 692c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLOW_END1(category_group, name, id, arg1_name, arg1_val) \ 693c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \ 694c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, arg1_name, arg1_val) 695c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLOW_END2(category_group, name, id, arg1_name, arg1_val, \ 696c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg2_name, arg2_val) \ 697c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \ 698c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_NONE, \ 699c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 700c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_FLOW_END0(category_group, name, id) \ 701c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \ 702c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY) 703c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_FLOW_END1(category_group, name, id, arg1_name, \ 704c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val) \ 705c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \ 706c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 707c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val) 708c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_COPY_FLOW_END2(category_group, name, id, arg1_name, \ 709c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_val, arg2_name, arg2_val) \ 710c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_FLOW_END, \ 711c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, TRACE_EVENT_FLAG_COPY, \ 712c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) arg1_name, arg1_val, arg2_name, arg2_val) 713c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 714ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch// Macros to track the life time and value of arbitrary client objects. 715c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// See also TraceTrackableObject. 716c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_OBJECT_CREATED_WITH_ID(category_group, name, id) \ 717c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_CREATE_OBJECT, \ 718c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_ID_DONT_MANGLE(id), TRACE_EVENT_FLAG_NONE) 719c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 720c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(category_group, name, id, snapshot) \ 721c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_SNAPSHOT_OBJECT, \ 722c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_ID_DONT_MANGLE(id), TRACE_EVENT_FLAG_NONE,\ 723c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) "snapshot", snapshot) 724c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 725c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_OBJECT_DELETED_WITH_ID(category_group, name, id) \ 726c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_ADD_WITH_ID(TRACE_EVENT_PHASE_DELETE_OBJECT, \ 727c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, TRACE_ID_DONT_MANGLE(id), TRACE_EVENT_FLAG_NONE) 728c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 7295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#define INTERNAL_TRACE_EVENT_CATEGORY_GROUP_ENABLED_FOR_RECORDING_MODE() \ 7305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) UNLIKELY(*INTERNAL_TRACE_EVENT_UID(category_group_enabled) & \ 7315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (base::debug::TraceLog::ENABLED_FOR_RECORDING | \ 7325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::debug::TraceLog::ENABLED_FOR_EVENT_CALLBACK)) 733c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 73490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// Macro to efficiently determine if a given category group is enabled. 73590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#define TRACE_EVENT_CATEGORY_GROUP_ENABLED(category_group, ret) \ 73690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) do { \ 73790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category_group); \ 7385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (INTERNAL_TRACE_EVENT_CATEGORY_GROUP_ENABLED_FOR_RECORDING_MODE()) { \ 73990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) *ret = true; \ 74090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) } else { \ 74190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) *ret = false; \ 74290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) } \ 74390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) } while (0) 74490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 745868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// Macro to efficiently determine, through polling, if a new trace has begun. 746868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#define TRACE_EVENT_IS_NEW_TRACE(ret) \ 747868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) do { \ 748868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) static int INTERNAL_TRACE_EVENT_UID(lastRecordingNumber) = 0; \ 749868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int num_traces_recorded = TRACE_EVENT_API_GET_NUM_TRACES_RECORDED(); \ 750868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (num_traces_recorded != -1 && \ 751868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) num_traces_recorded != \ 752868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) INTERNAL_TRACE_EVENT_UID(lastRecordingNumber)) { \ 753868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) INTERNAL_TRACE_EVENT_UID(lastRecordingNumber) = \ 754868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) num_traces_recorded; \ 755868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) *ret = true; \ 756868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } else { \ 757868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) *ret = false; \ 758868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } \ 759868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } while (0) 760868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 7615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Implementation specific tracing API definitions. 7635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Get a pointer to the enabled state of the given trace category. Only 765c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// long-lived literal strings should be given as the category group. The 766c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// returned pointer can be held permanently in a local static for example. If 767c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// the unsigned char is non-zero, tracing is enabled. If tracing is enabled, 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TRACE_EVENT_API_ADD_TRACE_EVENT can be called. It's OK if tracing is disabled 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// between the load of the tracing state and the call to 7705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TRACE_EVENT_API_ADD_TRACE_EVENT, because this flag only provides an early out 7715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// for best performance when tracing is disabled. 7725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// const unsigned char* 773c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(const char* category_group) 774c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED \ 775c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::debug::TraceLog::GetCategoryGroupEnabled 7765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 777868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// Get the number of times traces have been recorded. This is used to implement 778868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// the TRACE_EVENT_IS_NEW_TRACE facility. 779868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)// unsigned int TRACE_EVENT_API_GET_NUM_TRACES_RECORDED() 780868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#define TRACE_EVENT_API_GET_NUM_TRACES_RECORDED \ 781868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) base::debug::TraceLog::GetInstance()->GetNumTracesRecorded 782868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 7832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Add a trace event to the platform tracing system. 7848bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)// base::debug::TraceEventHandle TRACE_EVENT_API_ADD_TRACE_EVENT( 7855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// char phase, 786c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// const unsigned char* category_group_enabled, 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// const char* name, 7885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// unsigned long long id, 7895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// int num_args, 7905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// const char** arg_names, 7915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// const unsigned char* arg_types, 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// const unsigned long long* arg_values, 7935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// unsigned char flags) 7945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define TRACE_EVENT_API_ADD_TRACE_EVENT \ 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::debug::TraceLog::GetInstance()->AddTraceEvent 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Add a trace event to the platform tracing system. 7988bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)// base::debug::TraceEventHandle TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_TIMESTAMP( 7992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// char phase, 800c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// const unsigned char* category_group_enabled, 8012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// const char* name, 8022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// unsigned long long id, 8032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// int thread_id, 8042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// const TimeTicks& timestamp, 8052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// int num_args, 8062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// const char** arg_names, 8072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// const unsigned char* arg_types, 8082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// const unsigned long long* arg_values, 8092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// unsigned char flags) 8102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP \ 8112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::debug::TraceLog::GetInstance()->AddTraceEventWithThreadIdAndTimestamp 8125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8138bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)// Set the duration field of a COMPLETE trace event. 8148bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)// void TRACE_EVENT_API_UPDATE_TRACE_EVENT_DURATION( 815f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)// const unsigned char* category_group_enabled, 816f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)// const char* name, 8178bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)// base::debug::TraceEventHandle id) 8188bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)#define TRACE_EVENT_API_UPDATE_TRACE_EVENT_DURATION \ 8198bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) base::debug::TraceLog::GetInstance()->UpdateTraceEventDuration 8208bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 8212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Defines atomic operations used internally by the tracing system. 8222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define TRACE_EVENT_API_ATOMIC_WORD base::subtle::AtomicWord 8232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define TRACE_EVENT_API_ATOMIC_LOAD(var) base::subtle::NoBarrier_Load(&(var)) 8242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define TRACE_EVENT_API_ATOMIC_STORE(var, value) \ 8252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::subtle::NoBarrier_Store(&(var), (value)) 8265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 827c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Defines visibility for classes in trace_event.h 8282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define TRACE_EVENT_API_CLASS_EXPORT BASE_EXPORT 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// The thread buckets for the sampling profiler. 8317dbb3d5cf0c15f500944d211057644d6a2f37371Ben MurdochTRACE_EVENT_API_CLASS_EXPORT extern \ 8327dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TRACE_EVENT_API_ATOMIC_WORD g_trace_state[3]; 8337dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 8342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define TRACE_EVENT_API_THREAD_BUCKET(thread_bucket) \ 8357dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch g_trace_state[thread_bucket] 8367dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 8372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 8385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 839c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Implementation detail: trace event macros create temporary variables 840c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// to keep instrumentation overhead low. These macros give each temporary 841ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16Ben Murdoch// variable a unique name based on the line number to prevent name collisions. 842c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_UID3(a,b) \ 843c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_unique_##a##b 844c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_UID2(a,b) \ 845c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_UID3(a,b) 846c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_UID(name_prefix) \ 847c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_UID2(name_prefix, __LINE__) 848c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 849c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Implementation detail: internal macro to create static category. 850c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// No barriers are needed, because this code is designed to operate safely 851c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// even when the unsigned char* points to garbage data (which may be the case 852c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// on processors without cache coherency). 8538bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO_CUSTOM_VARIABLES( \ 8548bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) category_group, atomic, category_group_enabled) \ 8558bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) category_group_enabled = \ 856c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) reinterpret_cast<const unsigned char*>(TRACE_EVENT_API_ATOMIC_LOAD( \ 8578bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) atomic)); \ 8585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (UNLIKELY(!category_group_enabled)) { \ 8598bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) category_group_enabled = \ 860c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_API_GET_CATEGORY_GROUP_ENABLED(category_group); \ 8618bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) TRACE_EVENT_API_ATOMIC_STORE(atomic, \ 862c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) reinterpret_cast<TRACE_EVENT_API_ATOMIC_WORD>( \ 8638bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) category_group_enabled)); \ 864c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 865c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 8668bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category_group) \ 8678bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) static TRACE_EVENT_API_ATOMIC_WORD INTERNAL_TRACE_EVENT_UID(atomic) = 0; \ 8688bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const unsigned char* INTERNAL_TRACE_EVENT_UID(category_group_enabled); \ 8698bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO_CUSTOM_VARIABLES(category_group, \ 8708bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) INTERNAL_TRACE_EVENT_UID(atomic), \ 8718bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) INTERNAL_TRACE_EVENT_UID(category_group_enabled)); 8728bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 873c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Implementation detail: internal macro to create static category and add 874c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// event if the category is enabled. 875c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_ADD(phase, category_group, name, flags, ...) \ 876c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) do { \ 877c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category_group); \ 8785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (INTERNAL_TRACE_EVENT_CATEGORY_GROUP_ENABLED_FOR_RECORDING_MODE()) { \ 879c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::AddTraceEvent( \ 8808bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) phase, INTERNAL_TRACE_EVENT_UID(category_group_enabled), name, \ 881c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::kNoEventId, flags, ##__VA_ARGS__); \ 882c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } \ 883c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } while (0) 884c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 885c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Implementation detail: internal macro to create static category and add begin 886c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// event if the category is enabled. Also adds the end event when the scope 887c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// ends. 888c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_ADD_SCOPED(category_group, name, ...) \ 889c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category_group); \ 8908bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) trace_event_internal::ScopedTracer INTERNAL_TRACE_EVENT_UID(tracer); \ 8915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (INTERNAL_TRACE_EVENT_CATEGORY_GROUP_ENABLED_FOR_RECORDING_MODE()) { \ 8928bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) base::debug::TraceEventHandle h = trace_event_internal::AddTraceEvent( \ 8938bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) TRACE_EVENT_PHASE_COMPLETE, \ 8948bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) INTERNAL_TRACE_EVENT_UID(category_group_enabled), \ 895c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) name, trace_event_internal::kNoEventId, \ 896c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_FLAG_NONE, ##__VA_ARGS__); \ 8978bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) INTERNAL_TRACE_EVENT_UID(tracer).Initialize( \ 898f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) INTERNAL_TRACE_EVENT_UID(category_group_enabled), name, h); \ 899c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 900c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 901c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Implementation detail: internal macro to create static category and add 902c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// event if the category is enabled. 903c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_ADD_WITH_ID(phase, category_group, name, id, \ 904c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) flags, ...) \ 905c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) do { \ 906c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category_group); \ 9075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (INTERNAL_TRACE_EVENT_CATEGORY_GROUP_ENABLED_FOR_RECORDING_MODE()) { \ 908c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char trace_event_flags = flags | TRACE_EVENT_FLAG_HAS_ID; \ 909c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::TraceID trace_event_trace_id( \ 910c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) id, &trace_event_flags); \ 911c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::AddTraceEvent( \ 9128bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) phase, INTERNAL_TRACE_EVENT_UID(category_group_enabled), \ 913c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) name, trace_event_trace_id.data(), trace_event_flags, \ 914c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ##__VA_ARGS__); \ 915c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } \ 916c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } while (0) 917c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 918c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Implementation detail: internal macro to create static category and add 919c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// event if the category is enabled. 920c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_TRACE_EVENT_ADD_WITH_ID_TID_AND_TIMESTAMP(phase, \ 921c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) category_group, name, id, thread_id, timestamp, flags, ...) \ 922c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) do { \ 923c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(category_group); \ 9245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (INTERNAL_TRACE_EVENT_CATEGORY_GROUP_ENABLED_FOR_RECORDING_MODE()) { \ 925c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char trace_event_flags = flags | TRACE_EVENT_FLAG_HAS_ID; \ 926c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::TraceID trace_event_trace_id( \ 927c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) id, &trace_event_flags); \ 928c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_internal::AddTraceEventWithThreadIdAndTimestamp( \ 9298bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) phase, INTERNAL_TRACE_EVENT_UID(category_group_enabled), \ 930c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) name, trace_event_trace_id.data(), \ 931c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) thread_id, base::TimeTicks::FromInternalValue(timestamp), \ 932c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) trace_event_flags, ##__VA_ARGS__); \ 933c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } \ 934c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } while (0) 935c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 936c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Notes regarding the following definitions: 937c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// New values can be added and propagated to third party libraries, but existing 938c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// definitions must never be changed, because third party libraries may use old 939c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// definitions. 940c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 941c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Phase indicates the nature of an event entry. E.g. part of a begin/end pair. 942c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_BEGIN ('B') 943c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_END ('E') 9448bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)#define TRACE_EVENT_PHASE_COMPLETE ('X') 945c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_INSTANT ('i') 946c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_ASYNC_BEGIN ('S') 9471e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#define TRACE_EVENT_PHASE_ASYNC_STEP_INTO ('T') 9481e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#define TRACE_EVENT_PHASE_ASYNC_STEP_PAST ('p') 949c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_ASYNC_END ('F') 950c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_FLOW_BEGIN ('s') 951c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_FLOW_STEP ('t') 952c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_FLOW_END ('f') 953c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_METADATA ('M') 954c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_COUNTER ('C') 955c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_SAMPLE ('P') 956c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_CREATE_OBJECT ('N') 957c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_SNAPSHOT_OBJECT ('O') 958c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_PHASE_DELETE_OBJECT ('D') 959c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 960c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Flags for changing the behavior of TRACE_EVENT_API_ADD_TRACE_EVENT. 961c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLAG_NONE (static_cast<unsigned char>(0)) 962c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLAG_COPY (static_cast<unsigned char>(1 << 0)) 963c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLAG_HAS_ID (static_cast<unsigned char>(1 << 1)) 964c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLAG_MANGLE_ID (static_cast<unsigned char>(1 << 2)) 965c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLAG_SCOPE_OFFSET (static_cast<unsigned char>(1 << 3)) 966c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 967c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_FLAG_SCOPE_MASK (static_cast<unsigned char>( \ 968c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_FLAG_SCOPE_OFFSET | (TRACE_EVENT_FLAG_SCOPE_OFFSET << 1))) 969c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 970c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Type values for identifying types in the TraceValue union. 971c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_VALUE_TYPE_BOOL (static_cast<unsigned char>(1)) 972c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_VALUE_TYPE_UINT (static_cast<unsigned char>(2)) 973c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_VALUE_TYPE_INT (static_cast<unsigned char>(3)) 974c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_VALUE_TYPE_DOUBLE (static_cast<unsigned char>(4)) 975c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_VALUE_TYPE_POINTER (static_cast<unsigned char>(5)) 976c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_VALUE_TYPE_STRING (static_cast<unsigned char>(6)) 977c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_VALUE_TYPE_COPY_STRING (static_cast<unsigned char>(7)) 978c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_VALUE_TYPE_CONVERTABLE (static_cast<unsigned char>(8)) 979c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 980c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Enum reflecting the scope of an INSTANT event. Must fit within 981c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TRACE_EVENT_FLAG_SCOPE_MASK. 982c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_SCOPE_GLOBAL (static_cast<unsigned char>(0 << 3)) 983c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_SCOPE_PROCESS (static_cast<unsigned char>(1 << 3)) 984c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_SCOPE_THREAD (static_cast<unsigned char>(2 << 3)) 985c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 986c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_SCOPE_NAME_GLOBAL ('g') 987c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_SCOPE_NAME_PROCESS ('p') 988c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_SCOPE_NAME_THREAD ('t') 989c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 990c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)namespace trace_event_internal { 991c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 992c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Specify these values when the corresponding argument of AddTraceEvent is not 993c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// used. 994c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)const int kZeroNumArgs = 0; 995c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)const unsigned long long kNoEventId = 0; 996c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 997c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// TraceID encapsulates an ID that can either be an integer or pointer. Pointers 998c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// are by default mangled with the Process ID so that they are unlikely to 999c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// collide when the same pointer is used on different processes. 1000c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)class TraceID { 1001c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) public: 1002c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) class DontMangle { 1003c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) public: 1004d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) explicit DontMangle(const void* id) 1005c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>( 1006c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) reinterpret_cast<unsigned long>(id))) {} 1007c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(unsigned long long id) : data_(id) {} 1008c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(unsigned long id) : data_(id) {} 1009c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(unsigned int id) : data_(id) {} 1010c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(unsigned short id) : data_(id) {} 1011c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(unsigned char id) : data_(id) {} 1012c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(long long id) 1013c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1014c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(long id) 1015c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1016c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(int id) 1017c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1018c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(short id) 1019c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1020c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit DontMangle(signed char id) 1021c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1022c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long data() const { return data_; } 1023c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private: 1024c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long data_; 1025c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) }; 1026c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1027c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) class ForceMangle { 1028c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) public: 1029c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(unsigned long long id) : data_(id) {} 1030c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(unsigned long id) : data_(id) {} 1031c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(unsigned int id) : data_(id) {} 1032c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(unsigned short id) : data_(id) {} 1033c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(unsigned char id) : data_(id) {} 1034c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(long long id) 1035c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1036c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(long id) 1037c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1038c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(int id) 1039c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1040c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(short id) 1041c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1042c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit ForceMangle(signed char id) 1043c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) {} 1044c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long data() const { return data_; } 1045c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private: 1046c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long data_; 1047c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) }; 1048c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1049c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(const void* id, unsigned char* flags) 1050c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>( 1051c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) reinterpret_cast<unsigned long>(id))) { 1052c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *flags |= TRACE_EVENT_FLAG_MANGLE_ID; 1053c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1054c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(ForceMangle id, unsigned char* flags) : data_(id.data()) { 1055c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *flags |= TRACE_EVENT_FLAG_MANGLE_ID; 1056c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1057c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(DontMangle id, unsigned char* flags) : data_(id.data()) { 1058c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1059c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(unsigned long long id, unsigned char* flags) 1060c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(id) { (void)flags; } 1061c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(unsigned long id, unsigned char* flags) 1062c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(id) { (void)flags; } 1063c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(unsigned int id, unsigned char* flags) 1064c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(id) { (void)flags; } 1065c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(unsigned short id, unsigned char* flags) 1066c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(id) { (void)flags; } 1067c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(unsigned char id, unsigned char* flags) 1068c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(id) { (void)flags; } 1069c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(long long id, unsigned char* flags) 1070c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) { (void)flags; } 1071c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(long id, unsigned char* flags) 1072c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) { (void)flags; } 1073c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(int id, unsigned char* flags) 1074c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) { (void)flags; } 1075c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(short id, unsigned char* flags) 1076c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) { (void)flags; } 1077c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceID(signed char id, unsigned char* flags) 1078c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : data_(static_cast<unsigned long long>(id)) { (void)flags; } 1079c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1080c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long data() const { return data_; } 1081c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1082c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private: 1083c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long data_; 1084c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 1085c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1086c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Simple union to store various types as unsigned long long. 1087c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)union TraceValueUnion { 1088c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) bool as_bool; 1089c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long as_uint; 1090c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) long long as_int; 1091c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) double as_double; 1092c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const void* as_pointer; 1093c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* as_string; 1094c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 1095c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1096c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Simple container for const char* that should be copied instead of retained. 1097c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)class TraceStringWithCopy { 1098c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) public: 1099c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) explicit TraceStringWithCopy(const char* str) : str_(str) {} 1100f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) const char* str() const { return str_; } 1101c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private: 1102c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* str_; 1103c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 1104c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1105c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Define SetTraceValue for each allowed type. It stores the type and 1106c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// value in the return arguments. This allows this API to avoid declaring any 1107c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// structures so that it is portable to third_party libraries. 1108c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_DECLARE_SET_TRACE_VALUE(actual_type, \ 1109f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) arg_expression, \ 1110c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) union_member, \ 1111c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value_type_id) \ 1112c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) static inline void SetTraceValue( \ 1113c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) actual_type arg, \ 1114c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char* type, \ 1115c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long* value) { \ 1116c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceValueUnion type_value; \ 1117f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) type_value.union_member = arg_expression; \ 1118c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *type = value_type_id; \ 1119c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *value = type_value.as_uint; \ 1120c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1121c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Simpler form for int types that can be safely casted. 1122c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define INTERNAL_DECLARE_SET_TRACE_VALUE_INT(actual_type, \ 1123c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) value_type_id) \ 1124c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) static inline void SetTraceValue( \ 1125c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) actual_type arg, \ 1126c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char* type, \ 1127c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long* value) { \ 1128c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *type = value_type_id; \ 1129c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *value = static_cast<unsigned long long>(arg); \ 1130c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1131c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1132c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(unsigned long long, TRACE_VALUE_TYPE_UINT) 1133c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(unsigned long, TRACE_VALUE_TYPE_UINT) 1134c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(unsigned int, TRACE_VALUE_TYPE_UINT) 1135c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(unsigned short, TRACE_VALUE_TYPE_UINT) 1136c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(unsigned char, TRACE_VALUE_TYPE_UINT) 1137c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(long long, TRACE_VALUE_TYPE_INT) 1138c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(long, TRACE_VALUE_TYPE_INT) 1139c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(int, TRACE_VALUE_TYPE_INT) 1140c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(short, TRACE_VALUE_TYPE_INT) 1141c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE_INT(signed char, TRACE_VALUE_TYPE_INT) 1142f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE(bool, arg, as_bool, TRACE_VALUE_TYPE_BOOL) 1143f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE(double, arg, as_double, 1144f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) TRACE_VALUE_TYPE_DOUBLE) 1145f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE(const void*, arg, as_pointer, 1146c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_VALUE_TYPE_POINTER) 1147f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE(const char*, arg, as_string, 1148c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_VALUE_TYPE_STRING) 1149f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)INTERNAL_DECLARE_SET_TRACE_VALUE(const TraceStringWithCopy&, arg.str(), 1150f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) as_string, TRACE_VALUE_TYPE_COPY_STRING) 1151c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1152c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#undef INTERNAL_DECLARE_SET_TRACE_VALUE 1153c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#undef INTERNAL_DECLARE_SET_TRACE_VALUE_INT 1154c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1155c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// std::string version of SetTraceValue so that trace arguments can be strings. 1156c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)static inline void SetTraceValue(const std::string& arg, 1157c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char* type, 1158c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long* value) { 1159c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceValueUnion type_value; 1160c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) type_value.as_string = arg.c_str(); 1161c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *type = TRACE_VALUE_TYPE_COPY_STRING; 1162c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) *value = type_value.as_uint; 1163c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1164c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 116523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)// base::Time and base::TimeTicks version of SetTraceValue to make it easier to 116623730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)// trace these types. 116723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)static inline void SetTraceValue(const base::Time arg, 116823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) unsigned char* type, 116923730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) unsigned long long* value) { 117023730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) *type = TRACE_VALUE_TYPE_INT; 117123730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) *value = arg.ToInternalValue(); 117223730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)} 117323730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 117423730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)static inline void SetTraceValue(const base::TimeTicks arg, 117523730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) unsigned char* type, 117623730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) unsigned long long* value) { 117723730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) *type = TRACE_VALUE_TYPE_INT; 117823730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) *value = arg.ToInternalValue(); 117923730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles)} 118023730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) 1181c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// These AddTraceEvent and AddTraceEventWithThreadIdAndTimestamp template 1182c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// functions are defined here instead of in the macro, because the arg_values 1183c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// could be temporary objects, such as std::string. In order to store 1184c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// pointers to the internal c_str and pass through to the tracing API, 1185c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// the arg_values must live throughout these procedures. 1186c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 11878bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle 11888bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)AddTraceEventWithThreadIdAndTimestamp( 1189c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) char phase, 1190c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const unsigned char* category_group_enabled, 1191c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* name, 1192c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long id, 1193c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int thread_id, 1194c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::TimeTicks& timestamp, 1195c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char flags, 1196c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* arg1_name, 11974e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) const scoped_refptr<base::debug::ConvertableToTraceFormat>& arg1_val) { 1198c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const int num_args = 1; 1199c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char arg_types[1] = { TRACE_VALUE_TYPE_CONVERTABLE }; 12008bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP( 1201c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) phase, category_group_enabled, name, id, thread_id, timestamp, 12024e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) num_args, &arg1_name, arg_types, NULL, &arg1_val, flags); 1203c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1204c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1205b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)template<class ARG1_TYPE> 12068bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle 12078bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)AddTraceEventWithThreadIdAndTimestamp( 1208b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) char phase, 1209b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const unsigned char* category_group_enabled, 1210b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const char* name, 1211b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) unsigned long long id, 1212b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) int thread_id, 1213b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const base::TimeTicks& timestamp, 1214b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) unsigned char flags, 1215b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const char* arg1_name, 12164e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) const ARG1_TYPE& arg1_val, 1217b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const char* arg2_name, 12184e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) const scoped_refptr<base::debug::ConvertableToTraceFormat>& arg2_val) { 1219b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const int num_args = 2; 1220b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const char* arg_names[2] = { arg1_name, arg2_name }; 1221b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 1222b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) unsigned char arg_types[2]; 1223b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) unsigned long long arg_values[2]; 1224b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) SetTraceValue(arg1_val, &arg_types[0], &arg_values[0]); 1225b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) arg_types[1] = TRACE_VALUE_TYPE_CONVERTABLE; 1226b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 12274e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) scoped_refptr<base::debug::ConvertableToTraceFormat> convertable_values[2]; 12284e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) convertable_values[1] = arg2_val; 1229b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 12308bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP( 1231b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) phase, category_group_enabled, name, id, thread_id, timestamp, 1232b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) num_args, arg_names, arg_types, arg_values, convertable_values, flags); 1233b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)} 1234b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 1235b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)template<class ARG2_TYPE> 12368bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle 12378bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)AddTraceEventWithThreadIdAndTimestamp( 1238b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) char phase, 1239b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const unsigned char* category_group_enabled, 1240b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const char* name, 1241b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) unsigned long long id, 1242b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) int thread_id, 1243b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const base::TimeTicks& timestamp, 1244b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) unsigned char flags, 1245b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const char* arg1_name, 12464e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) const scoped_refptr<base::debug::ConvertableToTraceFormat>& arg1_val, 1247b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const char* arg2_name, 12484e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) const ARG2_TYPE& arg2_val) { 1249b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const int num_args = 2; 1250b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) const char* arg_names[2] = { arg1_name, arg2_name }; 1251b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 1252b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) unsigned char arg_types[2]; 1253b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) unsigned long long arg_values[2]; 1254b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) arg_types[0] = TRACE_VALUE_TYPE_CONVERTABLE; 1255b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) arg_values[0] = 0; 1256b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) SetTraceValue(arg2_val, &arg_types[1], &arg_values[1]); 1257b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 12584e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) scoped_refptr<base::debug::ConvertableToTraceFormat> convertable_values[2]; 12594e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) convertable_values[0] = arg1_val; 1260b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 12618bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP( 1262b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) phase, category_group_enabled, name, id, thread_id, timestamp, 1263b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) num_args, arg_names, arg_types, arg_values, convertable_values, flags); 1264b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)} 1265b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 12668bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle 12678bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)AddTraceEventWithThreadIdAndTimestamp( 1268c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) char phase, 1269c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const unsigned char* category_group_enabled, 1270c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* name, 1271c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long id, 1272c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int thread_id, 1273c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::TimeTicks& timestamp, 1274c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char flags, 1275c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* arg1_name, 12764e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) const scoped_refptr<base::debug::ConvertableToTraceFormat>& arg1_val, 1277c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* arg2_name, 12784e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) const scoped_refptr<base::debug::ConvertableToTraceFormat>& arg2_val) { 1279c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const int num_args = 2; 1280c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* arg_names[2] = { arg1_name, arg2_name }; 1281c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char arg_types[2] = 1282c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) { TRACE_VALUE_TYPE_CONVERTABLE, TRACE_VALUE_TYPE_CONVERTABLE }; 12834e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) scoped_refptr<base::debug::ConvertableToTraceFormat> convertable_values[2] = 12844e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) { arg1_val, arg2_val }; 1285c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 12868bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP( 1287c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) phase, category_group_enabled, name, id, thread_id, timestamp, 1288c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) num_args, arg_names, arg_types, NULL, convertable_values, flags); 1289c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1290c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 12918bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle 12928bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)AddTraceEventWithThreadIdAndTimestamp( 1293c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) char phase, 1294c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const unsigned char* category_group_enabled, 1295c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* name, 1296c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long id, 1297c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int thread_id, 1298c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::TimeTicks& timestamp, 1299c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char flags) { 13008bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP( 1301c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) phase, category_group_enabled, name, id, thread_id, timestamp, 1302c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) kZeroNumArgs, NULL, NULL, NULL, NULL, flags); 1303c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1304c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 13058bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle AddTraceEvent( 13068bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) char phase, 13078bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const unsigned char* category_group_enabled, 13088bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const char* name, 13098bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) unsigned long long id, 13108bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) unsigned char flags) { 1311c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int thread_id = static_cast<int>(base::PlatformThread::CurrentId()); 1312c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::TimeTicks now = base::TimeTicks::NowFromSystemTraceTime(); 13138bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return AddTraceEventWithThreadIdAndTimestamp(phase, category_group_enabled, 13148bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) name, id, thread_id, now, flags); 1315c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1316c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1317c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)template<class ARG1_TYPE> 13188bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle 13198bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)AddTraceEventWithThreadIdAndTimestamp( 1320c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) char phase, 1321c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const unsigned char* category_group_enabled, 1322c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* name, 1323c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long id, 1324c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int thread_id, 1325c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::TimeTicks& timestamp, 1326c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char flags, 1327c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* arg1_name, 1328c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const ARG1_TYPE& arg1_val) { 1329c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const int num_args = 1; 1330c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char arg_types[1]; 1331c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long arg_values[1]; 1332c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetTraceValue(arg1_val, &arg_types[0], &arg_values[0]); 13338bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP( 1334c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) phase, category_group_enabled, name, id, thread_id, timestamp, 1335c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) num_args, &arg1_name, arg_types, arg_values, NULL, flags); 1336c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1337c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1338c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)template<class ARG1_TYPE> 13398bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle AddTraceEvent( 13408bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) char phase, 13418bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const unsigned char* category_group_enabled, 13428bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const char* name, 13438bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) unsigned long long id, 13448bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) unsigned char flags, 13458bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const char* arg1_name, 13468bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const ARG1_TYPE& arg1_val) { 1347c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int thread_id = static_cast<int>(base::PlatformThread::CurrentId()); 1348c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::TimeTicks now = base::TimeTicks::NowFromSystemTraceTime(); 13498bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return AddTraceEventWithThreadIdAndTimestamp(phase, category_group_enabled, 13508bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) name, id, thread_id, now, flags, 13518bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) arg1_name, arg1_val); 1352c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1353c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1354c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)template<class ARG1_TYPE, class ARG2_TYPE> 13558bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle 13568bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)AddTraceEventWithThreadIdAndTimestamp( 1357c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) char phase, 1358c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const unsigned char* category_group_enabled, 1359c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* name, 1360c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long id, 1361c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int thread_id, 1362c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const base::TimeTicks& timestamp, 1363c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char flags, 1364c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* arg1_name, 1365c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const ARG1_TYPE& arg1_val, 1366c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* arg2_name, 1367c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const ARG2_TYPE& arg2_val) { 1368c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const int num_args = 2; 1369c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* arg_names[2] = { arg1_name, arg2_name }; 1370c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned char arg_types[2]; 1371c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) unsigned long long arg_values[2]; 1372c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetTraceValue(arg1_val, &arg_types[0], &arg_values[0]); 1373c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetTraceValue(arg2_val, &arg_types[1], &arg_values[1]); 13748bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP( 1375c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) phase, category_group_enabled, name, id, thread_id, timestamp, 1376c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) num_args, arg_names, arg_types, arg_values, NULL, flags); 1377c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1378c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1379c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)template<class ARG1_TYPE, class ARG2_TYPE> 13808bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)static inline base::debug::TraceEventHandle AddTraceEvent( 13818bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) char phase, 13828bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const unsigned char* category_group_enabled, 13838bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const char* name, 13848bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) unsigned long long id, 13858bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) unsigned char flags, 13868bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const char* arg1_name, 13878bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const ARG1_TYPE& arg1_val, 13888bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const char* arg2_name, 13898bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) const ARG2_TYPE& arg2_val) { 1390c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) int thread_id = static_cast<int>(base::PlatformThread::CurrentId()); 1391c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::TimeTicks now = base::TimeTicks::NowFromSystemTraceTime(); 13928bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) return AddTraceEventWithThreadIdAndTimestamp(phase, category_group_enabled, 13938bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) name, id, thread_id, now, flags, 13948bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) arg1_name, arg1_val, 13958bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) arg2_name, arg2_val); 1396c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 1397c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 13988bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)// Used by TRACE_EVENTx macros. Do not use directly. 13998bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)class TRACE_EVENT_API_CLASS_EXPORT ScopedTracer { 1400c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) public: 1401c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Note: members of data_ intentionally left uninitialized. See Initialize. 14028bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ScopedTracer() : p_data_(NULL) {} 14038bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) 14048bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ~ScopedTracer() { 14058bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) if (p_data_ && *data_.category_group_enabled) 1406f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) TRACE_EVENT_API_UPDATE_TRACE_EVENT_DURATION( 1407f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) data_.category_group_enabled, data_.name, data_.event_handle); 1408c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1409c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1410c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) void Initialize(const unsigned char* category_group_enabled, 1411f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const char* name, 14128bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) base::debug::TraceEventHandle event_handle) { 1413c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) data_.category_group_enabled = category_group_enabled; 1414f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) data_.name = name; 14158bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) data_.event_handle = event_handle; 1416c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) p_data_ = &data_; 1417c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1418c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1419c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private: 1420c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // This Data struct workaround is to avoid initializing all the members 1421c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // in Data during construction of this object, since this object is always 1422c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // constructed, even when tracing is disabled. If the members of Data were 1423c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // members of this class instead, compiler warnings occur about potential 1424c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // uninitialized accesses. 1425c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) struct Data { 1426c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const unsigned char* category_group_enabled; 1427f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const char* name; 14288bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) base::debug::TraceEventHandle event_handle; 1429c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) }; 1430c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) Data* p_data_; 1431c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) Data data_; 1432c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 1433c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1434c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// Used by TRACE_EVENT_BINARY_EFFICIENTx macro. Do not use directly. 14358bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)class TRACE_EVENT_API_CLASS_EXPORT ScopedTraceBinaryEfficient { 1436c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) public: 14378bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ScopedTraceBinaryEfficient(const char* category_group, const char* name); 14388bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) ~ScopedTraceBinaryEfficient(); 1439c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1440c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) private: 1441c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const unsigned char* category_group_enabled_; 1442f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const char* name_; 14438bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) base::debug::TraceEventHandle event_handle_; 1444c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)}; 1445c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1446c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// This macro generates less code then TRACE_EVENT0 but is also 1447c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// slower to execute when tracing is off. It should generally only be 1448c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// used with code that is seldom executed or conditionally executed 1449c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// when debugging. 14508bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles)// For now the category_group must be "gpu". 1451c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)#define TRACE_EVENT_BINARY_EFFICIENT0(category_group, name) \ 14528bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) trace_event_internal::ScopedTraceBinaryEfficient \ 14538bcbed890bc3ce4d7a057a8f32cab53fa534672eTorne (Richard Coles) INTERNAL_TRACE_EVENT_UID(scoped_trace)(category_group, name); 1454c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 14557dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// TraceEventSamplingStateScope records the current sampling state 14567dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// and sets a new sampling state. When the scope exists, it restores 14577dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch// the sampling state having recorded. 14587dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochtemplate<size_t BucketNumber> 14597dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdochclass TraceEventSamplingStateScope { 14607dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch public: 14617dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TraceEventSamplingStateScope(const char* category_and_name) { 14627dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch previous_state_ = TraceEventSamplingStateScope<BucketNumber>::Current(); 14637dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TraceEventSamplingStateScope<BucketNumber>::Set(category_and_name); 14647dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 14657dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 14667dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch ~TraceEventSamplingStateScope() { 14677dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TraceEventSamplingStateScope<BucketNumber>::Set(previous_state_); 14687dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 14697dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 14707dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch static inline const char* Current() { 14717dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch return reinterpret_cast<const char*>(TRACE_EVENT_API_ATOMIC_LOAD( 14727dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch g_trace_state[BucketNumber])); 14737dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 14747dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 14757dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch static inline void Set(const char* category_and_name) { 14767dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch TRACE_EVENT_API_ATOMIC_STORE( 14777dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch g_trace_state[BucketNumber], 14787dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch reinterpret_cast<TRACE_EVENT_API_ATOMIC_WORD>( 14797dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch const_cast<char*>(category_and_name))); 14807dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch } 14817dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 14827dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch private: 14837dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch const char* previous_state_; 14847dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch}; 14857dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch 1486c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} // namespace trace_event_internal 14875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace base { 14892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace debug { 14905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)template<typename IDType> class TraceScopedTrackableObject { 14925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 1493c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TraceScopedTrackableObject(const char* category_group, const char* name, 1494c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) IDType id) 1495c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) : category_group_(category_group), 14962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) name_(name), 14972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) id_(id) { 1498c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_OBJECT_CREATED_WITH_ID(category_group_, name_, id_); 1499c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1500c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 1501c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) template <typename ArgType> void snapshot(ArgType snapshot) { 1502c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID(category_group_, name_, id_, snapshot); 15035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) ~TraceScopedTrackableObject() { 1506c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) TRACE_EVENT_OBJECT_DELETED_WITH_ID(category_group_, name_, id_); 15075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 1510c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) const char* category_group_; 15112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const char* name_; 15122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) IDType id_; 15135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(TraceScopedTrackableObject); 15155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 15165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace debug 15182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace base 15195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif /* BASE_DEBUG_TRACE_EVENT_H_ */ 1521