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 kLayerId[] = "layerId";
  16 const char kLayerTreeId[] = "layerTreeId";
  17 const char kPixelRefId[] = "pixelRefId";
  18
  19 const char kImageDecodeTask[] = "ImageDecodeTask";
  20 }
  21
  22 const char kPaintLayer[] = "PaintLayer";
  23 const char kRasterTask[] = "RasterTask";
  24 const char kPaintSetup[] = "PaintSetup";
  25 const char kUpdateLayer[] = "UpdateLayer";
  26
  27 class ScopedLayerTask {
  28  public:
  29   ScopedLayerTask(const char* event_name, int layer_id)
  30     : event_name_(event_name) {
  31     TRACE_EVENT_BEGIN1(internal::kCategory, event_name_,
  32         internal::kLayerId, layer_id);
  33   }
  34   ~ScopedLayerTask() {
  35     TRACE_EVENT_END0(internal::kCategory, event_name_);
  36   }
  37  private:
  38   const char* event_name_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(ScopedLayerTask);
  41 };
  42
  43 class ScopedImageDecodeTask {
  44  public:
  45   explicit ScopedImageDecodeTask(void* pixelRef) {
  46     TRACE_EVENT_BEGIN1(internal::kCategory, internal::kImageDecodeTask,
  47         internal::kPixelRefId, reinterpret_cast<uint64>(pixelRef));
  48   }
  49   ~ScopedImageDecodeTask() {
  50     TRACE_EVENT_END0(internal::kCategory, internal::kImageDecodeTask);
  51   }
  52  private:
  53   DISALLOW_COPY_AND_ASSIGN(ScopedImageDecodeTask);
  54 };
  55
  56 class ScopedLayerTreeTask {
  57  public:
  58   ScopedLayerTreeTask(const char* event_name,
  59                       int layer_id,
  60                       uint64 tree_id)
  61     : event_name_(event_name) {
  62     TRACE_EVENT_BEGIN2(internal::kCategory, event_name_,
  63         internal::kLayerId, layer_id, internal::kLayerTreeId, tree_id);
  64   }
  65   ~ScopedLayerTreeTask() {
  66     TRACE_EVENT_END0(internal::kCategory, event_name_);
  67   }
  68  private:
  69   const char* event_name_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(ScopedLayerTreeTask);
  72 };
  73
  74 struct ScopedLayerObjectTracker
  75     : public base::debug::TraceScopedTrackableObject<int> {
  76   explicit ScopedLayerObjectTracker(int layer_id)
  77       : base::debug::TraceScopedTrackableObject<int>(
  78             internal::kCategory,
  79             internal::kLayerId,
  80             layer_id) {
  81   }
  82
  83  private:
  84   DISALLOW_COPY_AND_ASSIGN(ScopedLayerObjectTracker);
  85 };
  86
  87 }  // namespace devtools_instrumentation
  88 }  // namespace cc
  89
  90 #endif  // CC_DEBUG_DEVTOOLS_INSTRUMENTATION_H_