cc/debug/devtools_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_DEVTOOLS_INSTRUMENTATION_H_
   6 #define CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_
   7
   8 #include "base/debug/trace_event.h"
   9
  10 namespace cc {
  11 namespace devtools_instrumentation {
  12
  13 namespace internal {
  14 const char kCategory[] = "cc,devtools";
  15 const char kFrameId[] = "frameId";
  16 const char kLayerId[] = "layerId";
  17 const char kLayerTreeId[] = "layerTreeId";
  18 const char kPixelRefId[] = "pixelRefId";
  19
  20 const char kImageDecodeTask[] = "ImageDecodeTask";
  21 const char kBeginFrame[] = "BeginFrame";
  22 const char kActivateLayerTree[] = "ActivateLayerTree";
  23 }  // namespace internal
  24
  25 const char kRasterTask[] = "RasterTask";
  26 const char kPaintSetup[] = "PaintSetup";
  27
  28 class ScopedLayerTask {
  29  public:
  30   ScopedLayerTask(const char* event_name, int layer_id)
  31     : event_name_(event_name) {
  32     TRACE_EVENT_BEGIN1(internal::kCategory, event_name_,
  33         internal::kLayerId, layer_id);
  34   }
  35   ~ScopedLayerTask() {
  36     TRACE_EVENT_END0(internal::kCategory, event_name_);
  37   }
  38  private:
  39   const char* event_name_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(ScopedLayerTask);
  42 };
  43
  44 class ScopedImageDecodeTask {
  45  public:
  46   explicit ScopedImageDecodeTask(void* pixelRef) {
  47     TRACE_EVENT_BEGIN1(internal::kCategory, internal::kImageDecodeTask,
  48         internal::kPixelRefId, reinterpret_cast<uint64>(pixelRef));
  49   }
  50   ~ScopedImageDecodeTask() {
  51     TRACE_EVENT_END0(internal::kCategory, internal::kImageDecodeTask);
  52   }
  53  private:
  54   DISALLOW_COPY_AND_ASSIGN(ScopedImageDecodeTask);
  55 };
  56
  57 class ScopedLayerTreeTask {
  58  public:
  59   ScopedLayerTreeTask(const char* event_name,
  60                       int layer_id,
  61                       int layer_tree_host_id)
  62     : event_name_(event_name) {
  63     TRACE_EVENT_BEGIN2(internal::kCategory, event_name_,
  64         internal::kLayerId, layer_id,
  65         internal::kLayerTreeId, layer_tree_host_id);
  66   }
  67   ~ScopedLayerTreeTask() {
  68     TRACE_EVENT_END0(internal::kCategory, event_name_);
  69   }
  70  private:
  71   const char* event_name_;
  72
  73   DISALLOW_COPY_AND_ASSIGN(ScopedLayerTreeTask);
  74 };
  75
  76 struct ScopedLayerObjectTracker
  77     : public base::debug::TraceScopedTrackableObject<int> {
  78   explicit ScopedLayerObjectTracker(int layer_id)
  79       : base::debug::TraceScopedTrackableObject<int>(
  80             internal::kCategory,
  81             internal::kLayerId,
  82             layer_id) {
  83   }
  84
  85  private:
  86   DISALLOW_COPY_AND_ASSIGN(ScopedLayerObjectTracker);
  87 };
  88
  89 inline void didActivateLayerTree(int layer_tree_host_id, int frame_id) {
  90   TRACE_EVENT_INSTANT2(internal::kCategory,
  91                        internal::kActivateLayerTree,
  92                        TRACE_EVENT_SCOPE_THREAD,
  93                        internal::kLayerTreeId, layer_tree_host_id,
  94                        internal::kFrameId, frame_id);
  95 }
  96
  97 inline void didBeginFrame(int layer_tree_host_id) {
  98   TRACE_EVENT_INSTANT1(internal::kCategory,
  99                        internal::kBeginFrame,
 100                        TRACE_EVENT_SCOPE_THREAD,
 101                        internal::kLayerTreeId, layer_tree_host_id);
 102 }
 103
 104 }  // namespace devtools_instrumentation
 105 }  // namespace cc
 106
 107 #endif  // CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_