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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 <memory>
#include "src/compiler.h"
#include "src/compiler/pipeline-statistics.h"
#include "src/compiler/zone-pool.h"
namespace v8 {
namespace internal {
namespace compiler {
void PipelineStatistics::CommonStats::Begin(
PipelineStatistics* pipeline_stats) {
DCHECK(!scope_);
scope_.reset(new ZonePool::StatsScope(pipeline_stats->zone_pool_));
timer_.Start();
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_pool_->GetCurrentAllocatedBytes();
}
void PipelineStatistics::CommonStats::End(
PipelineStatistics* 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();
scope_.reset();
timer_.Stop();
}
PipelineStatistics::PipelineStatistics(CompilationInfo* info,
ZonePool* zone_pool)
: isolate_(info->isolate()),
outer_zone_(info->zone()),
zone_pool_(zone_pool),
compilation_stats_(isolate_->GetTurboStatistics()),
source_size_(0),
phase_kind_name_(nullptr),
phase_name_(nullptr) {
if (info->has_shared_info()) {
source_size_ = static_cast<size_t>(info->shared_info()->SourceSize());
std::unique_ptr<char[]> name =
info->shared_info()->DebugName()->ToCString();
function_name_ = name.get();
}
total_stats_.Begin(this);
}
PipelineStatistics::~PipelineStatistics() {
if (InPhaseKind()) EndPhaseKind();
CompilationStatistics::BasicStats diff;
total_stats_.End(this, &diff);
compilation_stats_->RecordTotalStats(source_size_, diff);
}
void PipelineStatistics::BeginPhaseKind(const char* phase_kind_name) {
DCHECK(!InPhase());
if (InPhaseKind()) EndPhaseKind();
phase_kind_name_ = phase_kind_name;
phase_kind_stats_.Begin(this);
}
void PipelineStatistics::EndPhaseKind() {
DCHECK(!InPhase());
CompilationStatistics::BasicStats diff;
phase_kind_stats_.End(this, &diff);
compilation_stats_->RecordPhaseKindStats(phase_kind_name_, diff);
}
void PipelineStatistics::BeginPhase(const char* name) {
DCHECK(InPhaseKind());
phase_name_ = name;
phase_stats_.Begin(this);
}
void PipelineStatistics::EndPhase() {
DCHECK(InPhaseKind());
CompilationStatistics::BasicStats diff;
phase_stats_.End(this, &diff);
compilation_stats_->RecordPhaseStats(phase_kind_name_, phase_name_, diff);
}
} // namespace compiler
} // namespace internal
} // namespace v8
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