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 const char kRequestMainThreadFrame[] = "RequestMainThreadFrame";
  24 const char kDrawFrame[] = "DrawFrame";
  25 }  // namespace internal
  26
  27 const char kRasterTask[] = "RasterTask";
  28 const char kPaintSetup[] = "PaintSetup";
  29
  30 class ScopedLayerTask {
  31  public:
  32   ScopedLayerTask(const char* event_name, int layer_id)
  33     : event_name_(event_name) {
  34     TRACE_EVENT_BEGIN1(internal::kCategory, event_name_,
  35         internal::kLayerId, layer_id);
  36   }
  37   ~ScopedLayerTask() {
  38     TRACE_EVENT_END0(internal::kCategory, event_name_);
  39   }
  40  private:
  41   const char* event_name_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(ScopedLayerTask);
  44 };
  45
  46 class ScopedImageDecodeTask {
  47  public:
  48   explicit ScopedImageDecodeTask(void* pixelRef) {
  49     TRACE_EVENT_BEGIN1(internal::kCategory, internal::kImageDecodeTask,
  50         internal::kPixelRefId, reinterpret_cast<uint64>(pixelRef));
  51   }
  52   ~ScopedImageDecodeTask() {
  53     TRACE_EVENT_END0(internal::kCategory, internal::kImageDecodeTask);
  54   }
  55  private:
  56   DISALLOW_COPY_AND_ASSIGN(ScopedImageDecodeTask);
  57 };
  58
  59 class ScopedLayerTreeTask {
  60  public:
  61   ScopedLayerTreeTask(const char* event_name,
  62                       int layer_id,
  63                       int layer_tree_host_id)
  64     : event_name_(event_name) {
  65     TRACE_EVENT_BEGIN2(internal::kCategory, event_name_,
  66         internal::kLayerId, layer_id,
  67         internal::kLayerTreeId, layer_tree_host_id);
  68   }
  69   ~ScopedLayerTreeTask() {
  70     TRACE_EVENT_END0(internal::kCategory, event_name_);
  71   }
  72  private:
  73   const char* event_name_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(ScopedLayerTreeTask);
  76 };
  77
  78 struct ScopedLayerObjectTracker
  79     : public base::debug::TraceScopedTrackableObject<int> {
  80   explicit ScopedLayerObjectTracker(int layer_id)
  81       : base::debug::TraceScopedTrackableObject<int>(
  82             internal::kCategory,
  83             internal::kLayerId,
  84             layer_id) {
  85   }
  86
  87  private:
  88   DISALLOW_COPY_AND_ASSIGN(ScopedLayerObjectTracker);
  89 };
  90
  91 inline void DidActivateLayerTree(int layer_tree_host_id, int frame_id) {
  92   TRACE_EVENT_INSTANT2(internal::kCategory,
  93                        internal::kActivateLayerTree,
  94                        TRACE_EVENT_SCOPE_THREAD,
  95                        internal::kLayerTreeId, layer_tree_host_id,
  96                        internal::kFrameId, frame_id);
  97 }
  98
  99 inline void DidBeginFrame(int layer_tree_host_id) {
 100   TRACE_EVENT_INSTANT1(internal::kCategory,
 101                        internal::kBeginFrame,
 102                        TRACE_EVENT_SCOPE_THREAD,
 103                        internal::kLayerTreeId, layer_tree_host_id);
 104 }
 105
 106 inline void DidDrawFrame(int layer_tree_host_id) {
 107   TRACE_EVENT_INSTANT1(internal::kCategory,
 108                        internal::kDrawFrame,
 109                        TRACE_EVENT_SCOPE_THREAD,
 110                        internal::kLayerTreeId,
 111                        layer_tree_host_id);
 112 }
 113
 114 inline void DidRequestMainThreadFrame(int layer_tree_host_id) {
 115   TRACE_EVENT_INSTANT1(internal::kCategory,
 116                        internal::kRequestMainThreadFrame,
 117                        TRACE_EVENT_SCOPE_THREAD,
 118                        internal::kLayerTreeId,
 119                        layer_tree_host_id);
 120 }
 121
 122 }  // namespace devtools_instrumentation
 123 }  // namespace cc
 124
 125 #endif  // CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_