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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.
#ifndef V8_COMPILER_PIPELINE_STATISTICS_H_
#define V8_COMPILER_PIPELINE_STATISTICS_H_
#include <memory>
#include <string>
#include "src/base/platform/elapsed-timer.h"
#include "src/compilation-statistics.h"
#include "src/compiler/zone-stats.h"
namespace v8 {
namespace internal {
namespace compiler {
class PhaseScope;
class PipelineStatistics : public Malloced {
public:
PipelineStatistics(OptimizedCompilationInfo* info, Isolate* isolate,
ZoneStats* zone_stats);
~PipelineStatistics();
void BeginPhaseKind(const char* phase_kind_name);
void EndPhaseKind();
private:
size_t OuterZoneSize() {
return static_cast<size_t>(outer_zone_->allocation_size());
}
class CommonStats {
public:
CommonStats() : outer_zone_initial_size_(0) {}
void Begin(PipelineStatistics* pipeline_stats);
void End(PipelineStatistics* pipeline_stats,
CompilationStatistics::BasicStats* diff);
std::unique_ptr<ZoneStats::StatsScope> scope_;
base::ElapsedTimer timer_;
size_t outer_zone_initial_size_;
size_t allocated_bytes_at_start_;
private:
DISALLOW_COPY_AND_ASSIGN(CommonStats);
};
bool InPhaseKind() { return !!phase_kind_stats_.scope_; }
friend class PhaseScope;
bool InPhase() { return !!phase_stats_.scope_; }
void BeginPhase(const char* name);
void EndPhase();
Isolate* isolate_;
Zone* outer_zone_;
ZoneStats* zone_stats_;
CompilationStatistics* compilation_stats_;
std::string function_name_;
// Stats for the entire compilation.
CommonStats total_stats_;
size_t source_size_;
// Stats for phase kind.
const char* phase_kind_name_;
CommonStats phase_kind_stats_;
// Stats for phase.
const char* phase_name_;
CommonStats phase_stats_;
DISALLOW_COPY_AND_ASSIGN(PipelineStatistics);
};
class PhaseScope {
public:
PhaseScope(PipelineStatistics* pipeline_stats, const char* name)
: pipeline_stats_(pipeline_stats) {
if (pipeline_stats_ != nullptr) pipeline_stats_->BeginPhase(name);
}
~PhaseScope() {
if (pipeline_stats_ != nullptr) pipeline_stats_->EndPhase();
}
private:
PipelineStatistics* const pipeline_stats_;
DISALLOW_COPY_AND_ASSIGN(PhaseScope);
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_PIPELINE_STATISTICS_H_
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