1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CC_BENCHMARKS_BENCHMARK_INSTRUMENTATION_H_
6 #define CC_BENCHMARKS_BENCHMARK_INSTRUMENTATION_H_
8 #include "base/trace_event/trace_event.h"
9 #include "cc/cc_export.h"
10 #include "cc/debug/rendering_stats.h"
13 namespace benchmark_instrumentation {
15 // Please do not change the trace events in this file without updating
16 // tools/perf/measurements/rendering_stats.py accordingly.
17 // The benchmarks search for events and their arguments by name.
20 constexpr const char* Category() {
21 // Declared as a constexpr function to have an external linkage and to be
22 // known at compile-time.
23 return "cc,benchmark";
25 const char kBeginFrameId[] = "begin_frame_id";
26 } // namespace internal
28 const char kSendBeginFrame[] = "ProxyImpl::ScheduledActionSendBeginMainFrame";
29 const char kDoBeginFrame[] = "ProxyMain::BeginMainFrame";
31 class ScopedBeginFrameTask {
33 ScopedBeginFrameTask(const char* event_name, unsigned int begin_frame_id)
34 : event_name_(event_name) {
35 TRACE_EVENT_BEGIN1(internal::Category(), event_name_,
36 internal::kBeginFrameId, begin_frame_id);
38 ScopedBeginFrameTask(const ScopedBeginFrameTask&) = delete;
39 ~ScopedBeginFrameTask() {
40 TRACE_EVENT_END0(internal::Category(), event_name_);
43 ScopedBeginFrameTask& operator=(const ScopedBeginFrameTask&) = delete;
46 const char* event_name_;
49 void IssueImplThreadRenderingStatsEvent(const RenderingStats& stats);
51 } // namespace benchmark_instrumentation
54 #endif // CC_BENCHMARKS_BENCHMARK_INSTRUMENTATION_H_