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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 <ostream> // NOLINT(readability/streams)
#include <vector>
#include "src/base/platform/platform.h"
#include "src/compilation-statistics.h"
namespace v8 {
namespace internal {
void CompilationStatistics::RecordPhaseStats(const char* phase_kind_name,
const char* phase_name,
const BasicStats& stats) {
base::LockGuard<base::Mutex> guard(&record_mutex_);
std::string phase_name_str(phase_name);
auto it = phase_map_.find(phase_name_str);
if (it == phase_map_.end()) {
PhaseStats phase_stats(phase_map_.size(), phase_kind_name);
it = phase_map_.insert(std::make_pair(phase_name_str, phase_stats)).first;
}
it->second.Accumulate(stats);
}
void CompilationStatistics::RecordPhaseKindStats(const char* phase_kind_name,
const BasicStats& stats) {
base::LockGuard<base::Mutex> guard(&record_mutex_);
std::string phase_kind_name_str(phase_kind_name);
auto it = phase_kind_map_.find(phase_kind_name_str);
if (it == phase_kind_map_.end()) {
PhaseKindStats phase_kind_stats(phase_kind_map_.size());
it = phase_kind_map_.insert(std::make_pair(phase_kind_name_str,
phase_kind_stats)).first;
}
it->second.Accumulate(stats);
}
void CompilationStatistics::RecordTotalStats(size_t source_size,
const BasicStats& stats) {
base::LockGuard<base::Mutex> guard(&record_mutex_);
source_size += source_size;
total_stats_.Accumulate(stats);
}
void CompilationStatistics::BasicStats::Accumulate(const BasicStats& stats) {
delta_ += stats.delta_;
total_allocated_bytes_ += stats.total_allocated_bytes_;
if (stats.absolute_max_allocated_bytes_ > absolute_max_allocated_bytes_) {
absolute_max_allocated_bytes_ = stats.absolute_max_allocated_bytes_;
max_allocated_bytes_ = stats.max_allocated_bytes_;
function_name_ = stats.function_name_;
}
}
static void WriteLine(std::ostream& os, bool machine_format, const char* name,
const CompilationStatistics::BasicStats& stats,
const CompilationStatistics::BasicStats& total_stats) {
const size_t kBufferSize = 128;
char buffer[kBufferSize];
double ms = stats.delta_.InMillisecondsF();
double percent = stats.delta_.PercentOf(total_stats.delta_);
double size_percent =
static_cast<double>(stats.total_allocated_bytes_ * 100) /
static_cast<double>(total_stats.total_allocated_bytes_);
if (machine_format) {
base::OS::SNPrintF(buffer, kBufferSize,
"\"%s_time\"=%.3f\n\"%s_space\"=%" PRIuS, name, ms, name,
stats.total_allocated_bytes_);
os << buffer;
} else {
base::OS::SNPrintF(buffer, kBufferSize, "%28s %10.3f (%5.1f%%) %10" PRIuS
" (%5.1f%%) %10" PRIuS " %10" PRIuS,
name, ms, percent, stats.total_allocated_bytes_,
size_percent, stats.max_allocated_bytes_,
stats.absolute_max_allocated_bytes_);
os << buffer;
if (stats.function_name_.size() > 0) {
os << " " << stats.function_name_.c_str();
}
os << std::endl;
}
}
static void WriteFullLine(std::ostream& os) {
os << "--------------------------------------------------------"
"--------------------------------------------------------\n";
}
static void WriteHeader(std::ostream& os) {
WriteFullLine(os);
os << " Turbonfan phase Time (ms) "
<< " Space (bytes) Function\n"
<< " "
<< " Total Max. Abs. max.\n";
WriteFullLine(os);
}
static void WritePhaseKindBreak(std::ostream& os) {
os << " ---------------------------"
"--------------------------------------------------------\n";
}
std::ostream& operator<<(std::ostream& os, const AsPrintableStatistics& ps) {
// phase_kind_map_ and phase_map_ don't get mutated, so store a bunch of
// pointers into them.
const CompilationStatistics& s = ps.s;
typedef std::vector<CompilationStatistics::PhaseKindMap::const_iterator>
SortedPhaseKinds;
SortedPhaseKinds sorted_phase_kinds(s.phase_kind_map_.size());
for (auto it = s.phase_kind_map_.begin(); it != s.phase_kind_map_.end();
++it) {
sorted_phase_kinds[it->second.insert_order_] = it;
}
typedef std::vector<CompilationStatistics::PhaseMap::const_iterator>
SortedPhases;
SortedPhases sorted_phases(s.phase_map_.size());
for (auto it = s.phase_map_.begin(); it != s.phase_map_.end(); ++it) {
sorted_phases[it->second.insert_order_] = it;
}
if (!ps.machine_output) WriteHeader(os);
for (const auto& phase_kind_it : sorted_phase_kinds) {
const auto& phase_kind_name = phase_kind_it->first;
if (!ps.machine_output) {
for (const auto& phase_it : sorted_phases) {
const auto& phase_stats = phase_it->second;
if (phase_stats.phase_kind_name_ != phase_kind_name) continue;
const auto& phase_name = phase_it->first;
WriteLine(os, ps.machine_output, phase_name.c_str(), phase_stats,
s.total_stats_);
}
WritePhaseKindBreak(os);
}
const auto& phase_kind_stats = phase_kind_it->second;
WriteLine(os, ps.machine_output, phase_kind_name.c_str(), phase_kind_stats,
s.total_stats_);
os << std::endl;
}
if (!ps.machine_output) WriteFullLine(os);
WriteLine(os, ps.machine_output, "totals", s.total_stats_, s.total_stats_);
return os;
}
} // namespace internal
} // namespace v8
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