// Copyright 2014 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_COMPILER_PIPELINE_STATISTICS_H_ #define V8_COMPILER_PIPELINE_STATISTICS_H_ #include <memory> #include <string> #include "src/base/platform/elapsed-timer.h" #include "src/compilation-statistics.h" #include "src/compiler/zone-stats.h" namespace v8 { namespace internal { namespace compiler { class PhaseScope; class PipelineStatistics : public Malloced { public: PipelineStatistics(CompilationInfo* info, ZoneStats* zone_stats); ~PipelineStatistics(); void BeginPhaseKind(const char* phase_kind_name); void EndPhaseKind(); private: size_t OuterZoneSize() { return static_cast<size_t>(outer_zone_->allocation_size()); } class CommonStats { public: CommonStats() : outer_zone_initial_size_(0) {} void Begin(PipelineStatistics* pipeline_stats); void End(PipelineStatistics* pipeline_stats, CompilationStatistics::BasicStats* diff); std::unique_ptr<ZoneStats::StatsScope> scope_; base::ElapsedTimer timer_; size_t outer_zone_initial_size_; size_t allocated_bytes_at_start_; private: DISALLOW_COPY_AND_ASSIGN(CommonStats); }; bool InPhaseKind() { return !!phase_kind_stats_.scope_; } friend class PhaseScope; bool InPhase() { return !!phase_stats_.scope_; } void BeginPhase(const char* name); void EndPhase(); Isolate* isolate_; Zone* outer_zone_; ZoneStats* zone_stats_; CompilationStatistics* compilation_stats_; std::string function_name_; // Stats for the entire compilation. CommonStats total_stats_; size_t source_size_; // Stats for phase kind. const char* phase_kind_name_; CommonStats phase_kind_stats_; // Stats for phase. const char* phase_name_; CommonStats phase_stats_; DISALLOW_COPY_AND_ASSIGN(PipelineStatistics); }; class PhaseScope { public: PhaseScope(PipelineStatistics* pipeline_stats, const char* name) : pipeline_stats_(pipeline_stats) { if (pipeline_stats_ != nullptr) pipeline_stats_->BeginPhase(name); } ~PhaseScope() { if (pipeline_stats_ != nullptr) pipeline_stats_->EndPhase(); } private: PipelineStatistics* const pipeline_stats_; DISALLOW_COPY_AND_ASSIGN(PhaseScope); }; } // namespace compiler } // namespace internal } // namespace v8 #endif