| // Copyright 2015 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 GPU_PERFTESTS_MEASUREMENTS_H_ |
| #define GPU_PERFTESTS_MEASUREMENTS_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/time/time.h" |
| |
| namespace gl { |
| class GPUTimingClient; |
| class GPUTimer; |
| } |
| |
| namespace gpu { |
| |
| struct Measurement { |
| Measurement(); |
| Measurement(const Measurement& m); |
| Measurement(const std::string& metric_basename, |
| const base::TimeDelta wall_time, |
| const base::TimeDelta cpu_time, |
| const base::TimeDelta gpu_time); |
| ~Measurement(); |
| |
| void PrintResult(const std::string& story) const; |
| Measurement& Increment(const Measurement& m); |
| Measurement Divide(int a) const; |
| |
| std::string metric_basename; |
| base::TimeDelta wall_time; |
| base::TimeDelta cpu_time; |
| base::TimeDelta gpu_time; |
| }; |
| |
| // Class to measure wall, cpu and gpu time deltas. |
| // The deltas are measured from the time of the object |
| // creation up to when Record is called. |
| class MeasurementTimers { |
| public: |
| explicit MeasurementTimers(gl::GPUTimingClient* gpu_timing_client); |
| void Record(); |
| Measurement GetAsMeasurement(const std::string& name); |
| ~MeasurementTimers(); |
| |
| private: |
| base::TimeTicks wall_time_start_; |
| base::ThreadTicks cpu_time_start_; |
| std::unique_ptr<gl::GPUTimer> gpu_timer_; |
| |
| base::TimeDelta wall_time_; |
| base::TimeDelta cpu_time_; |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_PERFTESTS_MEASUREMENTS_H_ |