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// Copyright 2013 The Chromium 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 CC_BENCHMARKS_BENCHMARK_INSTRUMENTATION_H_
#define CC_BENCHMARKS_BENCHMARK_INSTRUMENTATION_H_
#include "base/trace_event/trace_event.h"
#include "cc/cc_export.h"
#include "cc/debug/rendering_stats.h"
namespace cc {
namespace benchmark_instrumentation {
// Please do not change the trace events in this file without updating
// tools/perf/measurements/rendering_stats.py accordingly.
// The benchmarks search for events and their arguments by name.
namespace internal {
constexpr const char* Category() {
// Declared as a constexpr function to have an external linkage and to be
// known at compile-time.
return "cc,benchmark";
}
const char kBeginFrameId[] = "begin_frame_id";
} // namespace internal
// TODO(khushalsagar): Fix these names for the telemetry benchmarks.
// See crbug/567993.
const char kSendBeginFrame[] = "ThreadProxy::ScheduledActionSendBeginMainFrame";
const char kDoBeginFrame[] = "ThreadProxy::BeginMainFrame";
class ScopedBeginFrameTask {
public:
ScopedBeginFrameTask(const char* event_name, unsigned int begin_frame_id)
: event_name_(event_name) {
TRACE_EVENT_BEGIN1(internal::Category(), event_name_,
internal::kBeginFrameId, begin_frame_id);
}
ScopedBeginFrameTask(const ScopedBeginFrameTask&) = delete;
~ScopedBeginFrameTask() {
TRACE_EVENT_END0(internal::Category(), event_name_);
}
ScopedBeginFrameTask& operator=(const ScopedBeginFrameTask&) = delete;
private:
const char* event_name_;
};
void IssueImplThreadRenderingStatsEvent(const RenderingStats& stats);
void CC_EXPORT IssueDisplayRenderingStatsEvent();
} // namespace benchmark_instrumentation
} // namespace cc
#endif // CC_BENCHMARKS_BENCHMARK_INSTRUMENTATION_H_