skia/ext/skia_memory_dump_provider.cc

   1 // Copyright 2015 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 #include "skia_memory_dump_provider.h"
   6
   7 #include "base/trace_event/memory_allocator_dump.h"
   8 #include "base/trace_event/memory_dump_manager.h"
   9 #include "base/trace_event/process_memory_dump.h"
  10 #include "skia/ext/SkTraceMemoryDump_chrome.h"
  11 #include "third_party/skia/include/core/SkGraphics.h"
  12 #include "third_party/skia/src/core/SkResourceCache.h"
  13
  14 namespace skia {
  15
  16 // static
  17 SkiaMemoryDumpProvider* SkiaMemoryDumpProvider::GetInstance() {
  18   return Singleton<SkiaMemoryDumpProvider,
  19                    LeakySingletonTraits<SkiaMemoryDumpProvider>>::get();
  20 }
  21
  22 SkiaMemoryDumpProvider::SkiaMemoryDumpProvider() {}
  23
  24 SkiaMemoryDumpProvider::~SkiaMemoryDumpProvider() {}
  25
  26 bool SkiaMemoryDumpProvider::OnMemoryDump(
  27     const base::trace_event::MemoryDumpArgs& args,
  28     base::trace_event::ProcessMemoryDump* process_memory_dump) {
  29   base::trace_event::MemoryAllocatorDump* font_mad =
  30       process_memory_dump->CreateAllocatorDump("skia/sk_glyph_cache");
  31   font_mad->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
  32                       base::trace_event::MemoryAllocatorDump::kUnitsBytes,
  33                       SkGraphics::GetFontCacheUsed());
  34   font_mad->AddScalar(base::trace_event::MemoryAllocatorDump::kNameObjectsCount,
  35                       base::trace_event::MemoryAllocatorDump::kUnitsObjects,
  36                       SkGraphics::GetFontCacheCountUsed());
  37
  38   if (args.level_of_detail ==
  39       base::trace_event::MemoryDumpArgs::LevelOfDetail::LOW)
  40     return true;
  41
  42   SkTraceMemoryDump_Chrome skia_dumper(process_memory_dump);
  43   SkGraphics::DumpMemoryStatistics(&skia_dumper);
  44
  45   return true;
  46 }
  47
  48 }  // namespace skia