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 #include <memory> 6 7 #include "src/compiler/pipeline-statistics.h" 8 #include "src/compiler/zone-stats.h" 9 #include "src/objects/shared-function-info.h" 10 #include "src/objects/string.h" 11 #include "src/optimized-compilation-info.h" 12 13 namespace v8 { 14 namespace internal { 15 namespace compiler { 16 17 void PipelineStatistics::CommonStats::Begin( 18 PipelineStatistics* pipeline_stats) { 19 DCHECK(!scope_); 20 scope_.reset(new ZoneStats::StatsScope(pipeline_stats->zone_stats_)); 21 timer_.Start(); 22 outer_zone_initial_size_ = pipeline_stats->OuterZoneSize(); 23 allocated_bytes_at_start_ = 24 outer_zone_initial_size_ - 25 pipeline_stats->total_stats_.outer_zone_initial_size_ + 26 pipeline_stats->zone_stats_->GetCurrentAllocatedBytes(); 27 } 28 29 30 void PipelineStatistics::CommonStats::End( 31 PipelineStatistics* pipeline_stats, 32 CompilationStatistics::BasicStats* diff) { 33 DCHECK(scope_); 34 diff->function_name_ = pipeline_stats->function_name_; 35 diff->delta_ = timer_.Elapsed(); 36 size_t outer_zone_diff = 37 pipeline_stats->OuterZoneSize() - outer_zone_initial_size_; 38 diff->max_allocated_bytes_ = outer_zone_diff + scope_->GetMaxAllocatedBytes(); 39 diff->absolute_max_allocated_bytes_ = 40 diff->max_allocated_bytes_ + allocated_bytes_at_start_; 41 diff->total_allocated_bytes_ = 42 outer_zone_diff + scope_->GetTotalAllocatedBytes(); 43 scope_.reset(); 44 timer_.Stop(); 45 } 46 47 PipelineStatistics::PipelineStatistics(OptimizedCompilationInfo* info, 48 CompilationStatistics* compilation_stats, 49 ZoneStats* zone_stats) 50 : outer_zone_(info->zone()), 51 zone_stats_(zone_stats), 52 compilation_stats_(compilation_stats), 53 source_size_(0), 54 phase_kind_name_(nullptr), 55 phase_name_(nullptr) { 56 if (info->has_shared_info()) { 57 source_size_ = static_cast<size_t>(info->shared_info()->SourceSize()); 58 std::unique_ptr<char[]> name = 59 info->shared_info()->DebugName()->ToCString(); 60 function_name_ = name.get(); 61 } 62 total_stats_.Begin(this); 63 } 64 65 66 PipelineStatistics::~PipelineStatistics() { 67 if (InPhaseKind()) EndPhaseKind(); 68 CompilationStatistics::BasicStats diff; 69 total_stats_.End(this, &diff); 70 compilation_stats_->RecordTotalStats(source_size_, diff); 71 } 72 73 74 void PipelineStatistics::BeginPhaseKind(const char* phase_kind_name) { 75 DCHECK(!InPhase()); 76 if (InPhaseKind()) EndPhaseKind(); 77 phase_kind_name_ = phase_kind_name; 78 phase_kind_stats_.Begin(this); 79 } 80 81 82 void PipelineStatistics::EndPhaseKind() { 83 DCHECK(!InPhase()); 84 CompilationStatistics::BasicStats diff; 85 phase_kind_stats_.End(this, &diff); 86 compilation_stats_->RecordPhaseKindStats(phase_kind_name_, diff); 87 } 88 89 90 void PipelineStatistics::BeginPhase(const char* name) { 91 DCHECK(InPhaseKind()); 92 phase_name_ = name; 93 phase_stats_.Begin(this); 94 } 95 96 97 void PipelineStatistics::EndPhase() { 98 DCHECK(InPhaseKind()); 99 CompilationStatistics::BasicStats diff; 100 phase_stats_.End(this, &diff); 101 compilation_stats_->RecordPhaseStats(phase_kind_name_, phase_name_, diff); 102 } 103 104 } // namespace compiler 105 } // namespace internal 106 } // namespace v8 107
