| // Copyright (c) 2012 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 CONTENT_BROWSER_PROFILER_CONTROLLER_IMPL_H_ |
| #define CONTENT_BROWSER_PROFILER_CONTROLLER_IMPL_H_ |
| |
| #include "base/memory/singleton.h" |
| #include "base/process/process.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/profiler_controller.h" |
| #include "content/public/common/process_type.h" |
| |
| namespace tracked_objects { |
| struct ProcessDataSnapshot; |
| } |
| |
| namespace content { |
| |
| // ProfilerController's implementation. |
| class ProfilerControllerImpl : public ProfilerController { |
| public: |
| static ProfilerControllerImpl* GetInstance(); |
| |
| // Normally instantiated when the child process is launched. Only one instance |
| // should be created per process. |
| ProfilerControllerImpl(); |
| virtual ~ProfilerControllerImpl(); |
| |
| // Notify the |subscriber_| that it should expect at least |pending_processes| |
| // additional calls to OnProfilerDataCollected(). OnPendingProcess() may be |
| // called repeatedly; the last call will have |end| set to true, indicating |
| // that there is no longer a possibility for the count of pending processes to |
| // increase. This is called on the UI thread. |
| void OnPendingProcesses(int sequence_number, int pending_processes, bool end); |
| |
| // Send the |profiler_data| back to the |subscriber_|. |
| // This can be called from any thread. |
| void OnProfilerDataCollected( |
| int sequence_number, |
| const tracked_objects::ProcessDataSnapshot& profiler_data, |
| int process_type); |
| |
| // ProfilerController implementation: |
| virtual void Register(ProfilerSubscriber* subscriber) OVERRIDE; |
| virtual void Unregister(const ProfilerSubscriber* subscriber) OVERRIDE; |
| virtual void GetProfilerData(int sequence_number) OVERRIDE; |
| |
| private: |
| friend struct DefaultSingletonTraits<ProfilerControllerImpl>; |
| |
| // Contact child processes and get their profiler data. |
| void GetProfilerDataFromChildProcesses(int sequence_number); |
| |
| ProfilerSubscriber* subscriber_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ProfilerControllerImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_PROFILER_CONTROLLER_IMPL_H_ |