cc/trees/proxy_timing_history.h

   1 // Copyright 2014 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_TREES_PROXY_TIMING_HISTORY_H_
   6 #define CC_TREES_PROXY_TIMING_HISTORY_H_
   7
   8 #include "cc/base/rolling_time_delta_history.h"
   9 #include "cc/debug/rendering_stats_instrumentation.h"
  10
  11 namespace cc {
  12
  13 class ProxyTimingHistory {
  14  public:
  15   explicit ProxyTimingHistory(
  16       RenderingStatsInstrumentation* rendering_stats_instrumentation);
  17   ~ProxyTimingHistory();
  18
  19   base::TimeDelta DrawDurationEstimate() const;
  20   base::TimeDelta BeginMainFrameToCommitDurationEstimate() const;
  21   base::TimeDelta CommitToActivateDurationEstimate() const;
  22
  23   void DidBeginMainFrame();
  24   void DidCommit();
  25   void DidActivateSyncTree();
  26   void DidStartDrawing();
  27   void DidFinishDrawing();
  28
  29  protected:
  30   void AddDrawDurationUMA(base::TimeDelta draw_duration,
  31                           base::TimeDelta draw_duration_estimate);
  32
  33   RollingTimeDeltaHistory draw_duration_history_;
  34   RollingTimeDeltaHistory begin_main_frame_to_commit_duration_history_;
  35   RollingTimeDeltaHistory commit_to_activate_duration_history_;
  36
  37   base::TimeTicks begin_main_frame_sent_time_;
  38   base::TimeTicks commit_complete_time_;
  39   base::TimeTicks start_draw_time_;
  40
  41   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
  42 };
  43
  44 }  // namespace cc
  45
  46 #endif  // CC_TREES_PROXY_TIMING_HISTORY_H_