1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2013 the V8 project authors. All rights reserved. 2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// found in the LICENSE file. 4b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 5b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#ifndef V8_ARM64_INSTRUMENT_ARM64_H_ 6b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#define V8_ARM64_INSTRUMENT_ARM64_H_ 7b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/globals.h" 9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/utils.h" 10b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 11b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/arm64/constants-arm64.h" 12b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/arm64/decoder-arm64.h" 13b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 14b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace v8 { 15b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace internal { 16b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 17b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochconst int kCounterNameMaxLength = 256; 18b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochconst uint64_t kDefaultInstrumentationSamplingPeriod = 1 << 22; 19b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 20b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 21b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochenum InstrumentState { 22b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch InstrumentStateDisable = 0, 23b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch InstrumentStateEnable = 1 24b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}; 25b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 26b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 27b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochenum CounterType { 28b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Gauge = 0, // Gauge counters reset themselves after reading. 29b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Cumulative = 1 // Cumulative counters keep their value after reading. 30b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}; 31b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 32b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 33b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochclass Counter { 34b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch public: 35b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch explicit Counter(const char* name, CounterType type = Gauge); 36b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 37b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void Increment(); 38b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void Enable(); 39b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void Disable(); 40b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch bool IsEnabled(); 41b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch uint64_t count(); 42b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch const char* name(); 43b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch CounterType type(); 44b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 45b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch private: 46b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch char name_[kCounterNameMaxLength]; 47b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch uint64_t count_; 48b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch bool enabled_; 49b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch CounterType type_; 50b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}; 51b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 52b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 53b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochclass Instrument: public DecoderVisitor { 54b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch public: 55b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch explicit Instrument(const char* datafile = NULL, 56b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch uint64_t sample_period = kDefaultInstrumentationSamplingPeriod); 57b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch ~Instrument(); 58b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 59b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // Declare all Visitor functions. 60b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch #define DECLARE(A) void Visit##A(Instruction* instr); 61b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch VISITOR_LIST(DECLARE) 62b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch #undef DECLARE 63b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 64b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch private: 65b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void Update(); 66b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void Enable(); 67b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void Disable(); 68b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void DumpCounters(); 69b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void DumpCounterNames(); 70b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void DumpEventMarker(unsigned marker); 71b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void HandleInstrumentationEvent(unsigned event); 72b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Counter* GetCounter(const char* name); 73b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 74b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void InstrumentLoadStore(Instruction* instr); 75b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch void InstrumentLoadStorePair(Instruction* instr); 76b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 77b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch std::list<Counter*> counters_; 78b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 79b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch FILE *output_stream_; 80b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch uint64_t sample_period_; 81b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}; 82b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 83b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} } // namespace v8::internal 84b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 85b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#endif // V8_ARM64_INSTRUMENT_ARM64_H_ 86