84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/*
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* Copyright (c) 2017-2019 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ARM_COMPUTE_TEST_WALL_CLOCK_TIMER
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#define ARM_COMPUTE_TEST_WALL_CLOCK_TIMER
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#include "Instrument.h"
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#include <chrono>
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namespace arm_compute
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{
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namespace test
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{
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namespace framework
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{
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/** Implementation of an instrument to measure elapsed wall-clock time in milliseconds. */
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template <bool output_timestamps>
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class WallClock : public Instrument
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{
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public:
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/** Construct a Wall clock timer.
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*
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* @param[in] scale_factor Measurement scale factor.
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*/
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WallClock(ScaleFactor scale_factor)
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{
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switch(scale_factor)
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{
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case ScaleFactor::NONE:
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_scale_factor = 1.f;
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_unit = "us";
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break;
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case ScaleFactor::TIME_MS:
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_scale_factor = 1000.f;
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_unit = "ms";
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break;
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case ScaleFactor::TIME_S:
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_scale_factor = 1000000.f;
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_unit = "s";
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break;
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default:
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ARM_COMPUTE_ERROR("Invalid scale");
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}
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};
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std::string id() const override;
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void start() override;
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void stop() override;
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MeasurementsMap measurements() const override;
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private:
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std::chrono::system_clock::time_point _start{};
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std::chrono::system_clock::time_point _stop{};
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float _scale_factor{};
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};
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using WallClockTimer = WallClock<false>;
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using WallClockTimestamps = WallClock<true>;
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} // namespace framework
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} // namespace test
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} // namespace arm_compute
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#endif /* ARM_COMPUTE_TEST_WALL_CLOCK_TIMER */
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