1 /* 2 * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef TEST_PC_E2E_ANALYZER_VIDEO_DEFAULT_VIDEO_QUALITY_ANALYZER_CPU_MEASURER_H_ 12 #define TEST_PC_E2E_ANALYZER_VIDEO_DEFAULT_VIDEO_QUALITY_ANALYZER_CPU_MEASURER_H_ 13 14 #include "rtc_base/synchronization/mutex.h" 15 16 namespace webrtc { 17 18 // This class is thread safe. 19 class DefaultVideoQualityAnalyzerCpuMeasurer { 20 public: 21 double GetCpuUsagePercent(); 22 23 void StartMeasuringCpuProcessTime(); 24 void StopMeasuringCpuProcessTime(); 25 void StartExcludingCpuThreadTime(); 26 void StopExcludingCpuThreadTime(); 27 28 private: 29 Mutex mutex_; 30 int64_t cpu_time_ RTC_GUARDED_BY(mutex_) = 0; 31 int64_t wallclock_time_ RTC_GUARDED_BY(mutex_) = 0; 32 }; 33 34 } // namespace webrtc 35 36 #endif // TEST_PC_E2E_ANALYZER_VIDEO_DEFAULT_VIDEO_QUALITY_ANALYZER_CPU_MEASURER_H_ 37