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/base/cc_export.h"
   9 #include "cc/debug/rendering_stats.h"
  10
  11 namespace cc {
  12 namespace benchmark_instrumentation {
  13
  14 // Please do not change the trace events in this file without updating
  15 // tools/perf/measurements/rendering_stats.py accordingly.
  16 // The benchmarks search for events and their arguments by name.
  17
  18 namespace internal {
  19 const char kCategory[] = "cc,benchmark";
  20 const char kBeginFrameId[] = "begin_frame_id";
  21 }  // namespace internal
  22
  23 const char kSendBeginFrame[] = "ThreadProxy::ScheduledActionSendBeginMainFrame";
  24 const char kDoBeginFrame[] = "ThreadProxy::BeginMainFrame";
  25
  26 class ScopedBeginFrameTask {
  27  public:
  28   ScopedBeginFrameTask(const char* event_name, unsigned int begin_frame_id)
  29       : event_name_(event_name) {
  30     TRACE_EVENT_BEGIN1(internal::kCategory,
  31                        event_name_,
  32                        internal::kBeginFrameId,
  33                        begin_frame_id);
  34   }
  35   ~ScopedBeginFrameTask() {
  36     TRACE_EVENT_END0(internal::kCategory, event_name_);
  37   }
  38
  39  private:
  40   const char* event_name_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(ScopedBeginFrameTask);
  43 };
  44
  45 void IssueImplThreadRenderingStatsEvent(const RenderingStats& stats);
  46 void CC_EXPORT IssueDisplayRenderingStatsEvent();
  47
  48 }  // namespace benchmark_instrumentation
  49 }  // namespace cc
  50
  51 #endif  // CC_DEBUG_BENCHMARK_INSTRUMENTATION_H_