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