cpu_time.h 888 B

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  1. /*
  2. * Copyright (c) 2017 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. #ifndef RTC_BASE_CPU_TIME_H_
  11. #define RTC_BASE_CPU_TIME_H_
  12. #include <stdint.h>
  13. namespace rtc {
  14. // Returns total CPU time of a current process in nanoseconds.
  15. // Time base is unknown, therefore use only to calculate deltas.
  16. int64_t GetProcessCpuTimeNanos();
  17. // Returns total CPU time of a current thread in nanoseconds.
  18. // Time base is unknown, therefore use only to calculate deltas.
  19. int64_t GetThreadCpuTimeNanos();
  20. } // namespace rtc
  21. #endif // RTC_BASE_CPU_TIME_H_