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// 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.
#include "src/compiler/pipeline-statistics.h"
#include <memory>
#include "src/codegen/optimized-compilation-info.h"
#include "src/compiler/turboshaft/phase.h"
#include "src/compiler/zone-stats.h"
#include "src/objects/shared-function-info.h"
namespace v8 {
namespace internal {
namespace compiler {
void PipelineStatisticsBase::CommonStats::Begin(
PipelineStatisticsBase* pipeline_stats) {
DCHECK(!scope_);
scope_.reset(new ZoneStats::StatsScope(pipeline_stats->zone_stats_));
outer_zone_initial_size_ = pipeline_stats->OuterZoneSize();
allocated_bytes_at_start_ =
outer_zone_initial_size_ -
pipeline_stats->total_stats_.outer_zone_initial_size_ +
pipeline_stats->zone_stats_->GetCurrentAllocatedBytes();
// TODO(pthier): Move turboshaft specifics out of common class.
if (turboshaft::PipelineData::HasScope()) {
graph_size_at_start_ =
turboshaft::PipelineData::Get().graph().number_of_operations();
}
timer_.Start();
}
void PipelineStatisticsBase::CommonStats::End(
PipelineStatisticsBase* pipeline_stats,
CompilationStatistics::BasicStats* diff) {
DCHECK(scope_);
diff->function_name_ = pipeline_stats->function_name_;
diff->delta_ = timer_.Elapsed();
size_t outer_zone_diff =
pipeline_stats->OuterZoneSize() - outer_zone_initial_size_;
diff->max_allocated_bytes_ = outer_zone_diff + scope_->GetMaxAllocatedBytes();
diff->absolute_max_allocated_bytes_ =
diff->max_allocated_bytes_ + allocated_bytes_at_start_;
diff->total_allocated_bytes_ =
outer_zone_diff + scope_->GetTotalAllocatedBytes();
diff->input_graph_size_ = graph_size_at_start_;
if (turboshaft::PipelineData::HasScope()) {
diff->output_graph_size_ =
turboshaft::PipelineData::Get().graph().number_of_operations();
}
scope_.reset();
timer_.Stop();
}
PipelineStatisticsBase::PipelineStatisticsBase(
Zone* outer_zone, ZoneStats* zone_stats,
std::shared_ptr<CompilationStatistics> compilation_stats,
CodeKind code_kind)
: outer_zone_(outer_zone),
zone_stats_(zone_stats),
compilation_stats_(compilation_stats),
code_kind_(code_kind),
phase_kind_name_(nullptr),
phase_name_(nullptr) {
total_stats_.Begin(this);
}
PipelineStatisticsBase::~PipelineStatisticsBase() {
CompilationStatistics::BasicStats diff;
if (InPhaseKind()) EndPhaseKind(&diff);
total_stats_.End(this, &diff);
compilation_stats_->RecordTotalStats(diff);
}
void PipelineStatisticsBase::BeginPhaseKind(const char* phase_kind_name) {
DCHECK(!InPhase());
CompilationStatistics::BasicStats diff;
if (InPhaseKind()) EndPhaseKind(&diff);
phase_kind_name_ = phase_kind_name;
phase_kind_stats_.Begin(this);
}
void PipelineStatisticsBase::EndPhaseKind(
CompilationStatistics::BasicStats* diff) {
DCHECK(!InPhase());
phase_kind_stats_.End(this, diff);
compilation_stats_->RecordPhaseKindStats(phase_kind_name_, *diff);
}
void PipelineStatisticsBase::BeginPhase(const char* phase_name) {
DCHECK(InPhaseKind());
phase_name_ = phase_name;
phase_stats_.Begin(this);
}
void PipelineStatisticsBase::EndPhase(CompilationStatistics::BasicStats* diff) {
DCHECK(InPhaseKind());
phase_stats_.End(this, diff);
compilation_stats_->RecordPhaseStats(phase_kind_name_, phase_name_, *diff);
}
constexpr char TurbofanPipelineStatistics::kTraceCategory[];
TurbofanPipelineStatistics::TurbofanPipelineStatistics(
OptimizedCompilationInfo* info,
std::shared_ptr<CompilationStatistics> compilation_stats,
ZoneStats* zone_stats)
: Base(info->zone(), zone_stats, compilation_stats, info->code_kind()) {
if (info->has_shared_info()) {
set_function_name(info->shared_info()->DebugNameCStr().get());
}
}
void TurbofanPipelineStatistics::BeginPhaseKind(const char* name) {
Base::BeginPhaseKind(name);
TRACE_EVENT_BEGIN1(kTraceCategory, name, "kind",
CodeKindToString(code_kind()));
}
void TurbofanPipelineStatistics::EndPhaseKind() {
CompilationStatistics::BasicStats diff;
Base::EndPhaseKind(&diff);
TRACE_EVENT_END2(kTraceCategory, phase_kind_name(), "kind",
CodeKindToString(code_kind()), "stats",
TRACE_STR_COPY(diff.AsJSON().c_str()));
}
void TurbofanPipelineStatistics::BeginPhase(const char* name) {
Base::BeginPhase(name);
TRACE_EVENT_BEGIN1(kTraceCategory, phase_name(), "kind",
CodeKindToString(code_kind()));
}
void TurbofanPipelineStatistics::EndPhase() {
CompilationStatistics::BasicStats diff;
Base::EndPhase(&diff);
TRACE_EVENT_END2(kTraceCategory, phase_name(), "kind",
CodeKindToString(code_kind()), "stats",
TRACE_STR_COPY(diff.AsJSON().c_str()));
}
} // namespace compiler
} // namespace internal
} // namespace v8
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