cc/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_DEVTOOLS_INSTRUMENTATION_H_
   6 #define CC_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 kPaintLayer[] = "PaintLayer";
  17 const char kRasterTask[] = "RasterTask";
  18 }
  19
  20 struct ScopedPaintLayer
  21 {
  22   ScopedPaintLayer(int layer_id) {
  23     TRACE_EVENT_BEGIN1(internal::kCategory, internal::kPaintLayer,
  24         internal::kLayerId, layer_id);
  25   }
  26   ~ScopedPaintLayer() {
  27     TRACE_EVENT_END0(internal::kCategory, internal::kPaintLayer);
  28   }
  29 };
  30
  31 struct ScopedRasterTask
  32 {
  33   ScopedRasterTask(int layer_id) {
  34     TRACE_EVENT_BEGIN1(internal::kCategory, internal::kRasterTask,
  35         internal::kLayerId, layer_id);
  36   }
  37   ~ScopedRasterTask() {
  38     TRACE_EVENT_END0(internal::kCategory, internal::kRasterTask);
  39   }
  40 };
  41
  42 struct ScopedLayerObjectTracker
  43     : public base::debug::TraceScopedTrackableObject<int>
  44 {
  45   ScopedLayerObjectTracker(int layer_id)
  46       : base::debug::TraceScopedTrackableObject<int>(
  47             internal::kCategory,
  48             internal::kLayerId,
  49             layer_id) {
  50   }
  51 };
  52
  53 }
  54 }
  55
  56 #endif
  57