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      1 // Copyright 2012 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_RENDERING_STATS_H_
      6 #define CC_DEBUG_RENDERING_STATS_H_
      7 
      8 #include <list>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/debug/trace_event_argument.h"
     12 #include "base/time/time.h"
     13 #include "base/values.h"
     14 #include "cc/base/cc_export.h"
     15 #include "cc/debug/traced_value.h"
     16 
     17 namespace cc {
     18 
     19 struct CC_EXPORT RenderingStats {
     20   // Stores a sequence of TimeDelta objects.
     21   class CC_EXPORT TimeDeltaList {
     22    public:
     23     TimeDeltaList();
     24     ~TimeDeltaList();
     25 
     26     void Append(base::TimeDelta value);
     27     void AddToTracedValue(base::debug::TracedValue* list_value) const;
     28 
     29     void Add(const TimeDeltaList& other);
     30 
     31    private:
     32     std::list<base::TimeDelta> values;
     33   };
     34 
     35   struct CC_EXPORT MainThreadRenderingStats {
     36     // Note: when adding new members, please remember to update Add in
     37     // rendering_stats.cc.
     38 
     39     int64 frame_count;
     40     base::TimeDelta paint_time;
     41     int64 painted_pixel_count;
     42     base::TimeDelta record_time;
     43     int64 recorded_pixel_count;
     44 
     45     MainThreadRenderingStats();
     46     ~MainThreadRenderingStats();
     47     scoped_refptr<base::debug::ConvertableToTraceFormat> AsTraceableData()
     48         const;
     49     void Add(const MainThreadRenderingStats& other);
     50   };
     51 
     52   struct CC_EXPORT ImplThreadRenderingStats {
     53     // Note: when adding new members, please remember to update Add in
     54     // rendering_stats.cc.
     55 
     56     int64 frame_count;
     57     base::TimeDelta rasterize_time;
     58     base::TimeDelta analysis_time;
     59     int64 rasterized_pixel_count;
     60     int64 visible_content_area;
     61     int64 approximated_visible_content_area;
     62 
     63     TimeDeltaList draw_duration;
     64     TimeDeltaList draw_duration_estimate;
     65     TimeDeltaList begin_main_frame_to_commit_duration;
     66     TimeDeltaList begin_main_frame_to_commit_duration_estimate;
     67     TimeDeltaList commit_to_activate_duration;
     68     TimeDeltaList commit_to_activate_duration_estimate;
     69 
     70     ImplThreadRenderingStats();
     71     ~ImplThreadRenderingStats();
     72     scoped_refptr<base::debug::ConvertableToTraceFormat> AsTraceableData()
     73         const;
     74     void Add(const ImplThreadRenderingStats& other);
     75   };
     76 
     77   MainThreadRenderingStats main_stats;
     78   ImplThreadRenderingStats impl_stats;
     79 
     80   // Add fields of |other| to the fields in this structure.
     81   void Add(const RenderingStats& other);
     82 };
     83 
     84 }  // namespace cc
     85 
     86 #endif  // CC_DEBUG_RENDERING_STATS_H_
     87