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124 lines
4.1 KiB
124 lines
4.1 KiB
/*
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* Copyright (c) 2017-2021 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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#include "WallClockTimer.h"
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#include "../Framework.h"
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#include "../Utils.h"
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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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template <bool output_timestamps>
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std::string WallClock<output_timestamps>::id() const
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{
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if(output_timestamps)
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{
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return "Wall clock timestamps";
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}
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else
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{
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return "Wall clock";
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}
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}
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template <bool output_timestamps>
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void WallClock<output_timestamps>::start()
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{
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#if defined(BARE_METAL)
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uint64_t tmp;
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uint64_t retval;
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__asm __volatile(
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"mrs %[tmp], pmcr_el0\n"
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"orr %[tmp], %[tmp], #1\n"
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"msr pmcr_el0, %[tmp]\n"
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"mrs %[tmp], pmcntenset_el0\n"
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"orr %[tmp], %[tmp], #1<<31\n"
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"msr pmcntenset_el0, %[tmp]\n"
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"mrs %[retval], pmccntr_el0\n"
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: [tmp] "=r"(tmp), [retval] "=r"(retval));
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_start = retval;
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#else // !defined(BARE_METAL)
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_start = std::chrono::system_clock::now();
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#endif // defined(BARE_METAL)
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}
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template <bool output_timestamps>
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void WallClock<output_timestamps>::stop()
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{
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#if defined(BARE_METAL)
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uint64_t tmp;
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uint64_t retval;
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__asm __volatile(
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"mrs %[retval], pmccntr_el0\n"
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"mov %[tmp], #0x3f\n"
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"orr %[tmp], %[tmp], #1<<31\n"
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"msr pmcntenclr_el0, %[tmp]\n"
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: [tmp] "=r"(tmp), [retval] "=r"(retval));
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_stop = retval;
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#else // !defined(BARE_METAL)
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_stop = std::chrono::system_clock::now();
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#endif // defined(BARE_METAL)
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}
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template <bool output_timestamps>
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Instrument::MeasurementsMap WallClock<output_timestamps>::measurements() const
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{
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MeasurementsMap measurements;
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if(output_timestamps)
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{
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#if defined(BARE_METAL)
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measurements.emplace("[start]Wall clock time", Measurement(_start / static_cast<uint64_t>(_scale_factor), _unit));
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measurements.emplace("[end]Wall clock time", Measurement(_stop / static_cast<uint64_t>(_scale_factor), _unit));
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#else // !defined(BARE_METAL)
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measurements.emplace("[start]Wall clock time", Measurement(_start.time_since_epoch().count() / static_cast<uint64_t>(1000 * _scale_factor), _unit));
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measurements.emplace("[end]Wall clock time", Measurement(_stop.time_since_epoch().count() / static_cast<uint64_t>(1000 * _scale_factor), _unit));
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#endif // defined(BARE_METAL)
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}
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else
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{
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#if defined(BARE_METAL)
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const double delta = _stop - _start;
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measurements.emplace("Wall clock time", Measurement(delta / static_cast<double>(1000 * _scale_factor), _unit));
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#else // !defined(BARE_METAL)
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const auto delta = std::chrono::duration_cast<std::chrono::microseconds>(_stop - _start);
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measurements.emplace("Wall clock time", Measurement(delta.count() / _scale_factor, _unit));
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#endif // defined(BARE_METAL)
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}
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return measurements;
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}
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} // namespace framework
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} // namespace test
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} // namespace arm_compute
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template class arm_compute::test::framework::WallClock<true>;
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template class arm_compute::test::framework::WallClock<false>;
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