1// Copyright 2014 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef V8_COMPILER_PIPELINE_STATISTICS_H_ 6#define V8_COMPILER_PIPELINE_STATISTICS_H_ 7 8#include <memory> 9#include <string> 10 11#include "src/base/platform/elapsed-timer.h" 12#include "src/compilation-statistics.h" 13#include "src/compiler/zone-stats.h" 14 15namespace v8 { 16namespace internal { 17namespace compiler { 18 19class PhaseScope; 20 21class PipelineStatistics : public Malloced { 22 public: 23 PipelineStatistics(CompilationInfo* info, ZoneStats* zone_stats); 24 ~PipelineStatistics(); 25 26 void BeginPhaseKind(const char* phase_kind_name); 27 void EndPhaseKind(); 28 29 private: 30 size_t OuterZoneSize() { 31 return static_cast<size_t>(outer_zone_->allocation_size()); 32 } 33 34 class CommonStats { 35 public: 36 CommonStats() : outer_zone_initial_size_(0) {} 37 38 void Begin(PipelineStatistics* pipeline_stats); 39 void End(PipelineStatistics* pipeline_stats, 40 CompilationStatistics::BasicStats* diff); 41 42 std::unique_ptr<ZoneStats::StatsScope> scope_; 43 base::ElapsedTimer timer_; 44 size_t outer_zone_initial_size_; 45 size_t allocated_bytes_at_start_; 46 47 private: 48 DISALLOW_COPY_AND_ASSIGN(CommonStats); 49 }; 50 51 bool InPhaseKind() { return !!phase_kind_stats_.scope_; } 52 53 friend class PhaseScope; 54 bool InPhase() { return !!phase_stats_.scope_; } 55 void BeginPhase(const char* name); 56 void EndPhase(); 57 58 Isolate* isolate_; 59 Zone* outer_zone_; 60 ZoneStats* zone_stats_; 61 CompilationStatistics* compilation_stats_; 62 std::string function_name_; 63 64 // Stats for the entire compilation. 65 CommonStats total_stats_; 66 size_t source_size_; 67 68 // Stats for phase kind. 69 const char* phase_kind_name_; 70 CommonStats phase_kind_stats_; 71 72 // Stats for phase. 73 const char* phase_name_; 74 CommonStats phase_stats_; 75 76 DISALLOW_COPY_AND_ASSIGN(PipelineStatistics); 77}; 78 79 80class PhaseScope { 81 public: 82 PhaseScope(PipelineStatistics* pipeline_stats, const char* name) 83 : pipeline_stats_(pipeline_stats) { 84 if (pipeline_stats_ != nullptr) pipeline_stats_->BeginPhase(name); 85 } 86 ~PhaseScope() { 87 if (pipeline_stats_ != nullptr) pipeline_stats_->EndPhase(); 88 } 89 90 private: 91 PipelineStatistics* const pipeline_stats_; 92 93 DISALLOW_COPY_AND_ASSIGN(PhaseScope); 94}; 95 96} // namespace compiler 97} // namespace internal 98} // namespace v8 99 100#endif 101