| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_COMMON_HEAP_PROFILER_CONTROLLER_H_ |
| #define CHROME_COMMON_HEAP_PROFILER_CONTROLLER_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/synchronization/atomic_flag.h" |
| |
| // HeapProfilerController controls collection of sampled heap allocation |
| // snapshots for the current process. |
| class HeapProfilerController { |
| public: |
| HeapProfilerController(); |
| ~HeapProfilerController(); |
| |
| // Starts periodic heap snapshot collection. |
| void Start(); |
| |
| private: |
| using StoppedFlag = base::RefCountedData<base::AtomicFlag>; |
| |
| static void ScheduleNextSnapshot(scoped_refptr<StoppedFlag> stopped); |
| static void TakeSnapshot(scoped_refptr<StoppedFlag> stopped); |
| static void RetrieveAndSendSnapshot(); |
| |
| scoped_refptr<StoppedFlag> stopped_; |
| |
| DISALLOW_COPY_AND_ASSIGN(HeapProfilerController); |
| }; |
| |
| #endif // CHROME_COMMON_HEAP_PROFILER_CONTROLLER_H_ |