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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/export-template.h"
#include "src/base/platform/elapsed-timer.h"
#include "src/compiler/zone-stats.h"
#include "src/diagnostics/compilation-statistics.h"
#include "src/objects/code-kind.h"
#include "src/tracing/trace-event.h"
namespace v8 {
namespace internal {
namespace compiler {
class PhaseScope;
class PipelineStatisticsBase {
protected:
using Base = PipelineStatisticsBase;
PipelineStatisticsBase(
Zone* outer_zone, ZoneStats* zone_stats,
std::shared_ptr<CompilationStatistics> compilation_stats,
CodeKind code_kind);
~PipelineStatisticsBase();
void BeginPhaseKind(const char* phase_kind_name);
void EndPhaseKind(CompilationStatistics::BasicStats* diff);
size_t OuterZoneSize() {
return static_cast<size_t>(outer_zone_->allocation_size());
}
class CommonStats {
public:
CommonStats() : outer_zone_initial_size_(0) {}
CommonStats(const CommonStats&) = delete;
CommonStats& operator=(const CommonStats&) = delete;
void Begin(PipelineStatisticsBase* pipeline_stats);
void End(PipelineStatisticsBase* 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_;
size_t graph_size_at_start_ = 0;
};
bool InPhaseKind() { return !!phase_kind_stats_.scope_; }
friend class PhaseScope;
bool InPhase() { return !!phase_stats_.scope_; }
void BeginPhase(const char* name);
void EndPhase(CompilationStatistics::BasicStats* diff);
CodeKind code_kind() const { return code_kind_; }
const char* phase_kind_name() const { return phase_kind_name_; }
const char* phase_name() const { return phase_name_; }
void set_function_name(std::string function_name) {
function_name_.assign(function_name);
}
private:
Zone* outer_zone_;
ZoneStats* zone_stats_;
std::shared_ptr<CompilationStatistics> compilation_stats_;
CodeKind code_kind_;
std::string function_name_;
// Stats for the entire compilation.
CommonStats total_stats_;
// Stats for phase kind.
const char* phase_kind_name_;
CommonStats phase_kind_stats_;
// Stats for phase.
const char* phase_name_;
CommonStats phase_stats_;
};
class TurbofanPipelineStatistics : public PipelineStatisticsBase,
public Malloced {
public:
TurbofanPipelineStatistics(OptimizedCompilationInfo* info,
std::shared_ptr<CompilationStatistics> turbo_stats,
ZoneStats* zone_stats);
TurbofanPipelineStatistics(const TurbofanPipelineStatistics&) = delete;
TurbofanPipelineStatistics& operator=(const TurbofanPipelineStatistics&) =
delete;
// We log detailed phase information about the pipeline
// in both the v8.turbofan and the v8.wasm.turbofan categories.
static constexpr char kTraceCategory[] =
TRACE_DISABLED_BY_DEFAULT("v8.turbofan") "," // --
TRACE_DISABLED_BY_DEFAULT("v8.wasm.turbofan");
void BeginPhaseKind(const char* name);
void EndPhaseKind();
void BeginPhase(const char* name);
void EndPhase();
};
class V8_NODISCARD PhaseScope {
public:
PhaseScope(TurbofanPipelineStatistics* 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();
}
PhaseScope(const PhaseScope&) = delete;
PhaseScope& operator=(const PhaseScope&) = delete;
private:
TurbofanPipelineStatistics* const pipeline_stats_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_PIPELINE_STATISTICS_H_
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