chrome/browser/task_profiler/task_profiler_data_serializer.h

   1 // Copyright (c) 2012 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 CHROME_BROWSER_TASK_PROFILER_TASK_PROFILER_DATA_SERIALIZER_H_
   6 #define CHROME_BROWSER_TASK_PROFILER_TASK_PROFILER_DATA_SERIALIZER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/process/process_handle.h"
  10
  11 namespace base {
  12 class DictionaryValue;
  13 class FilePath;
  14 }
  15
  16 namespace tracked_objects {
  17 struct ProcessDataPhaseSnapshot;
  18 }
  19
  20 namespace task_profiler {
  21
  22 // This class collects task profiler data and serializes it to a file.  The file
  23 // format is compatible with the about:profiler UI.
  24 class TaskProfilerDataSerializer {
  25  public:
  26   TaskProfilerDataSerializer() {}
  27
  28   // Writes the contents of |process_data_phase|, |process_id| and
  29   // |process_type| into |dictionary|.
  30   static void ToValue(
  31       const tracked_objects::ProcessDataPhaseSnapshot& process_data_phase,
  32       base::ProcessId process_id,
  33       int process_type,
  34       base::DictionaryValue* dictionary);
  35
  36  private:
  37   DISALLOW_COPY_AND_ASSIGN(TaskProfilerDataSerializer);
  38 };
  39
  40 }  // namespace task_profiler
  41
  42 #endif  // CHROME_BROWSER_TASK_PROFILER_TASK_PROFILER_DATA_SERIALIZER_H_