| /* |
| * Copyright (c) 2017 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_BENCHMARK_PMU_COUNTER_H__ |
| #define __ARM_COMPUTE_TEST_BENCHMARK_PMU_COUNTER_H__ |
| |
| #include "Instrument.h" |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace benchmark |
| { |
| /** Implementation of an instrument to count CPU cycles. */ |
| class CycleCounter : public Instrument |
| { |
| public: |
| /** Initialise the cycle counter. */ |
| CycleCounter(); |
| |
| std::string id() const override; |
| void start() override; |
| void stop() override; |
| std::unique_ptr<Instrument::IMeasurement> get_measurement() const override; |
| |
| private: |
| long _fd{ -1 }; |
| long long _cycles{ 0 }; |
| }; |
| |
| /** Implementation of an instrument to count executed CPU instructions. */ |
| class InstructionCounter : public Instrument |
| { |
| public: |
| /** Initialise the instruction counter. */ |
| InstructionCounter(); |
| |
| std::string id() const override; |
| void start() override; |
| void stop() override; |
| std::unique_ptr<Instrument::IMeasurement> get_measurement() const override; |
| |
| private: |
| long _fd{ -1 }; |
| long long _instructions{ 0 }; |
| }; |
| } // namespace benchmark |
| } // namespace test |
| } // namespace arm_compute |
| #endif |