content/browser/tracing/file_tracing_provider_impl.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 "content/browser/tracing/file_tracing_provider_impl.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "base/trace_event/trace_event.h"
   9
  10 namespace content {
  11
  12 const char kFileTracingEventCategoryGroup[] = TRACE_DISABLED_BY_DEFAULT("file");
  13
  14 FileTracingProviderImpl::FileTracingProviderImpl() {}
  15 FileTracingProviderImpl::~FileTracingProviderImpl() {}
  16
  17 bool FileTracingProviderImpl::FileTracingCategoryIsEnabled() const {
  18   bool enabled;
  19   TRACE_EVENT_CATEGORY_GROUP_ENABLED(kFileTracingEventCategoryGroup, &enabled);
  20   return enabled;
  21 }
  22
  23 void FileTracingProviderImpl::FileTracingEnable(void* id) {
  24   TRACE_EVENT_NESTABLE_ASYNC_BEGIN0(
  25       kFileTracingEventCategoryGroup, FILE_TRACING_PREFIX, id);
  26 }
  27
  28 void FileTracingProviderImpl::FileTracingDisable(void* id) {
  29   TRACE_EVENT_NESTABLE_ASYNC_END0(
  30       kFileTracingEventCategoryGroup, FILE_TRACING_PREFIX, id);
  31 }
  32
  33 void FileTracingProviderImpl::FileTracingEventBegin(
  34     const char* name, void* id, const base::FilePath& path, int64 size) {
  35   TRACE_EVENT_NESTABLE_ASYNC_BEGIN2(kFileTracingEventCategoryGroup, name, id,
  36       "path", path.AsUTF8Unsafe(), "size", size);
  37 }
  38
  39 void FileTracingProviderImpl::FileTracingEventEnd(const char* name, void* id) {
  40   TRACE_EVENT_NESTABLE_ASYNC_END0(kFileTracingEventCategoryGroup, name, id);
  41 }
  42
  43 }  // namespace content