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