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_RENDERING_STATS_INSTRUMENTATION_H_ 6 #define CC_DEBUG_RENDERING_STATS_INSTRUMENTATION_H_ 7 8 #include "base/memory/scoped_ptr.h" 9 #include "base/synchronization/lock.h" 10 #include "cc/debug/rendering_stats.h" 11 12 namespace cc { 13 14 // RenderingStatsInstrumentation is shared among threads and manages conditional 15 // recording of rendering stats into a private RenderingStats instance. 16 class CC_EXPORT RenderingStatsInstrumentation { 17 public: 18 static scoped_ptr<RenderingStatsInstrumentation> Create(); 19 virtual ~RenderingStatsInstrumentation(); 20 21 // Return copy of current main thread rendering stats. 22 MainThreadRenderingStats main_thread_rendering_stats(); 23 24 // Return copy of current impl thread rendering stats. 25 ImplThreadRenderingStats impl_thread_rendering_stats(); 26 27 // Return the accumulated, combined rendering stats. 28 RenderingStats GetRenderingStats(); 29 30 // Add current main thread rendering stats to accumulator and 31 // clear current stats. 32 void AccumulateAndClearMainThreadStats(); 33 34 // Add current impl thread rendering stats to accumulator and 35 // clear current stats. 36 void AccumulateAndClearImplThreadStats(); 37 38 // Read and write access to the record_rendering_stats_ flag is not locked to 39 // improve performance. The flag is commonly turned off and hardly changes 40 // it's value during runtime. 41 bool record_rendering_stats() const { return record_rendering_stats_; } 42 void set_record_rendering_stats(bool record_rendering_stats) { 43 if (record_rendering_stats_ != record_rendering_stats) 44 record_rendering_stats_ = record_rendering_stats; 45 } 46 47 base::TimeTicks StartRecording() const; 48 base::TimeDelta EndRecording(base::TimeTicks start_time) const; 49 50 void IncrementFrameCount(int64 count, bool main_thread); 51 void AddPaint(base::TimeDelta duration, int64 pixels); 52 void AddRecord(base::TimeDelta duration, int64 pixels); 53 void AddRaster(base::TimeDelta duration, int64 pixels); 54 void AddAnalysis(base::TimeDelta duration, int64 pixels); 55 void AddVisibleContentArea(int64 area); 56 void AddApproximatedVisibleContentArea(int64 area); 57 58 protected: 59 RenderingStatsInstrumentation(); 60 61 private: 62 MainThreadRenderingStats main_thread_rendering_stats_; 63 MainThreadRenderingStats main_thread_rendering_stats_accu_; 64 ImplThreadRenderingStats impl_thread_rendering_stats_; 65 ImplThreadRenderingStats impl_thread_rendering_stats_accu_; 66 67 bool record_rendering_stats_; 68 69 base::Lock lock_; 70 71 DISALLOW_COPY_AND_ASSIGN(RenderingStatsInstrumentation); 72 }; 73 74 } // namespace cc 75 76 #endif // CC_DEBUG_RENDERING_STATS_INSTRUMENTATION_H_ 77
