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 "src/compiler/pipeline-statistics.h"
6
7 #include <memory>
8
9 #include "src/codegen/optimized-compilation-info.h"
10 #include "src/compiler/zone-stats.h"
11 #include "src/objects/shared-function-info.h"
12 #include "src/objects/string.h"
13
14 namespace v8 {
15 namespace internal {
16 namespace compiler {
17
18 constexpr char PipelineStatistics::kTraceCategory[];
19
Begin(PipelineStatistics * pipeline_stats)20 void PipelineStatistics::CommonStats::Begin(
21 PipelineStatistics* pipeline_stats) {
22 DCHECK(!scope_);
23 scope_.reset(new ZoneStats::StatsScope(pipeline_stats->zone_stats_));
24 timer_.Start();
25 outer_zone_initial_size_ = pipeline_stats->OuterZoneSize();
26 allocated_bytes_at_start_ =
27 outer_zone_initial_size_ -
28 pipeline_stats->total_stats_.outer_zone_initial_size_ +
29 pipeline_stats->zone_stats_->GetCurrentAllocatedBytes();
30 }
31
32
End(PipelineStatistics * pipeline_stats,CompilationStatistics::BasicStats * diff)33 void PipelineStatistics::CommonStats::End(
34 PipelineStatistics* pipeline_stats,
35 CompilationStatistics::BasicStats* diff) {
36 DCHECK(scope_);
37 diff->function_name_ = pipeline_stats->function_name_;
38 diff->delta_ = timer_.Elapsed();
39 size_t outer_zone_diff =
40 pipeline_stats->OuterZoneSize() - outer_zone_initial_size_;
41 diff->max_allocated_bytes_ = outer_zone_diff + scope_->GetMaxAllocatedBytes();
42 diff->absolute_max_allocated_bytes_ =
43 diff->max_allocated_bytes_ + allocated_bytes_at_start_;
44 diff->total_allocated_bytes_ =
45 outer_zone_diff + scope_->GetTotalAllocatedBytes();
46 scope_.reset();
47 timer_.Stop();
48 }
49
PipelineStatistics(OptimizedCompilationInfo * info,CompilationStatistics * compilation_stats,ZoneStats * zone_stats)50 PipelineStatistics::PipelineStatistics(OptimizedCompilationInfo* info,
51 CompilationStatistics* compilation_stats,
52 ZoneStats* zone_stats)
53 : outer_zone_(info->zone()),
54 zone_stats_(zone_stats),
55 compilation_stats_(compilation_stats),
56 code_kind_(info->code_kind()),
57 phase_kind_name_(nullptr),
58 phase_name_(nullptr) {
59 if (info->has_shared_info()) {
60 function_name_.assign(info->shared_info()->DebugNameCStr().get());
61 }
62 total_stats_.Begin(this);
63 }
64
~PipelineStatistics()65 PipelineStatistics::~PipelineStatistics() {
66 if (InPhaseKind()) EndPhaseKind();
67 CompilationStatistics::BasicStats diff;
68 total_stats_.End(this, &diff);
69 compilation_stats_->RecordTotalStats(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 TRACE_EVENT_BEGIN1(kTraceCategory, phase_kind_name, "kind",
77 CodeKindToString(code_kind_));
78 phase_kind_name_ = phase_kind_name;
79 phase_kind_stats_.Begin(this);
80 }
81
EndPhaseKind()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 TRACE_EVENT_END2(kTraceCategory, phase_kind_name_, "kind",
88 CodeKindToString(code_kind_), "stats",
89 TRACE_STR_COPY(diff.AsJSON().c_str()));
90 }
91
BeginPhase(const char * phase_name)92 void PipelineStatistics::BeginPhase(const char* phase_name) {
93 TRACE_EVENT_BEGIN1(kTraceCategory, phase_name, "kind",
94 CodeKindToString(code_kind_));
95 DCHECK(InPhaseKind());
96 phase_name_ = phase_name;
97 phase_stats_.Begin(this);
98 }
99
EndPhase()100 void PipelineStatistics::EndPhase() {
101 DCHECK(InPhaseKind());
102 CompilationStatistics::BasicStats diff;
103 phase_stats_.End(this, &diff);
104 compilation_stats_->RecordPhaseStats(phase_kind_name_, phase_name_, diff);
105 TRACE_EVENT_END2(kTraceCategory, phase_name_, "kind",
106 CodeKindToString(code_kind_), "stats",
107 TRACE_STR_COPY(diff.AsJSON().c_str()));
108 }
109
110 } // namespace compiler
111 } // namespace internal
112 } // namespace v8
113