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runtime-call-stats-scope.h
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41 lines (29 loc) · 1.24 KB
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// Copyright 2021 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_LOGGING_RUNTIME_CALL_STATS_SCOPE_H_
#define V8_LOGGING_RUNTIME_CALL_STATS_SCOPE_H_
#include <memory>
#include "src/execution/isolate.h"
#include "src/logging/counters.h"
#include "src/logging/runtime-call-stats.h"
#include "src/logging/tracing-flags.h"
namespace v8 {
namespace internal {
#ifdef V8_RUNTIME_CALL_STATS
// Make the line number part of the scope's name to avoid -Wshadow warnings.
#define RCS_SCOPE(...) \
v8::internal::RuntimeCallTimerScope CONCAT(rcs_timer_scope, \
__LINE__)(__VA_ARGS__)
RuntimeCallTimerScope::RuntimeCallTimerScope(Isolate* isolate,
RuntimeCallCounterId counter_id) {
if (V8_LIKELY(!TracingFlags::is_runtime_stats_enabled())) return;
stats_ = isolate->counters()->runtime_call_stats();
stats_->Enter(&timer_, counter_id);
}
#else // RUNTIME_CALL_STATS
#define RCS_SCOPE(...)
#endif // defined(V8_RUNTIME_CALL_STATS)
} // namespace internal
} // namespace v8
#endif // V8_LOGGING_RUNTIME_CALL_STATS_SCOPE_H_