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