cc/debug/benchmark_instrumentation.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_DEBUG_BENCHMARK_INSTRUMENTATION_H_
   6 #define CC_DEBUG_BENCHMARK_INSTRUMENTATION_H_
   7
   8 #include "cc/debug/rendering_stats.h"
   9
  10 namespace cc {
  11 namespace benchmark_instrumentation {
  12
  13 // Please do not change the trace events in this file without updating
  14 // tools/perf/measurements/rendering_stats.py accordingly.
  15 // The benchmarks search for events and their arguments by name.
  16
  17 namespace internal {
  18 const char kCategory[] = "cc,benchmark";
  19 const char kBeginFrameId[] = "begin_frame_id";
  20 }  // namespace internal
  21
  22 const char kSendBeginFrame[] = "ThreadProxy::ScheduledActionSendBeginMainFrame";
  23 const char kDoBeginFrame[] = "ThreadProxy::BeginMainFrame";
  24
  25 class ScopedBeginFrameTask {
  26  public:
  27   ScopedBeginFrameTask(const char* event_name, unsigned int begin_frame_id)
  28       : event_name_(event_name) {
  29     TRACE_EVENT_BEGIN1(internal::kCategory,
  30                        event_name_,
  31                        internal::kBeginFrameId,
  32                        begin_frame_id);
  33   }
  34   ~ScopedBeginFrameTask() {
  35     TRACE_EVENT_END0(internal::kCategory, event_name_);
  36   }
  37
  38  private:
  39   const char* event_name_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(ScopedBeginFrameTask);
  42 };
  43
  44 void IssueMainThreadRenderingStatsEvent(
  45     const RenderingStats::MainThreadRenderingStats& stats);
  46 void IssueImplThreadRenderingStatsEvent(
  47     const RenderingStats::ImplThreadRenderingStats& stats);
  48
  49 }  // namespace benchmark_instrumentation
  50 }  // namespace cc
  51
  52 #endif  // CC_DEBUG_BENCHMARK_INSTRUMENTATION_H_