1// Copyright 2013 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27// 28// Tests of profiles generator and utilities. 29 30#include "src/base/logging.h" 31#include "test/cctest/profiler-extension.h" 32 33namespace v8 { 34namespace internal { 35 36 37v8::CpuProfile* ProfilerExtension::last_profile = NULL; 38const char* ProfilerExtension::kSource = 39 "native function startProfiling();" 40 "native function stopProfiling();"; 41 42v8::Local<v8::FunctionTemplate> ProfilerExtension::GetNativeFunctionTemplate( 43 v8::Isolate* isolate, v8::Local<v8::String> name) { 44 v8::Local<v8::Context> context = isolate->GetCurrentContext(); 45 if (name->Equals(context, v8::String::NewFromUtf8(isolate, "startProfiling", 46 v8::NewStringType::kNormal) 47 .ToLocalChecked()) 48 .FromJust()) { 49 return v8::FunctionTemplate::New(isolate, 50 ProfilerExtension::StartProfiling); 51 } else if (name->Equals(context, 52 v8::String::NewFromUtf8(isolate, "stopProfiling", 53 v8::NewStringType::kNormal) 54 .ToLocalChecked()) 55 .FromJust()) { 56 return v8::FunctionTemplate::New(isolate, 57 ProfilerExtension::StopProfiling); 58 } else { 59 CHECK(false); 60 return v8::Local<v8::FunctionTemplate>(); 61 } 62} 63 64 65void ProfilerExtension::StartProfiling( 66 const v8::FunctionCallbackInfo<v8::Value>& args) { 67 last_profile = NULL; 68 v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler(); 69 cpu_profiler->StartProfiling((args.Length() > 0) 70 ? args[0].As<v8::String>() 71 : v8::String::Empty(args.GetIsolate())); 72} 73 74 75void ProfilerExtension::StopProfiling( 76 const v8::FunctionCallbackInfo<v8::Value>& args) { 77 v8::CpuProfiler* cpu_profiler = args.GetIsolate()->GetCpuProfiler(); 78 last_profile = cpu_profiler->StopProfiling((args.Length() > 0) 79 ? args[0].As<v8::String>() 80 : v8::String::Empty(args.GetIsolate())); 81} 82 83} // namespace internal 84} // namespace v8 85