| /* |
| * Copyright (c) 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. |
| */ |
| |
| #pragma once |
| |
| #include "cpu_profiler.h" |
| |
| #include "pmu_counter.h" |
| |
| namespace hwcpipe |
| { |
| /** A CPU profiler that uses PMU counter data. */ |
| class PmuProfiler : public CpuProfiler |
| { |
| public: |
| explicit PmuProfiler(const CpuCounterSet &enabled_counters); |
| virtual ~PmuProfiler() = default; |
| |
| virtual const CpuCounterSet &enabled_counters() const override |
| { |
| return enabled_counters_; |
| } |
| |
| virtual const CpuCounterSet &supported_counters() const override |
| { |
| return supported_counters_; |
| }; |
| |
| virtual void set_enabled_counters(CpuCounterSet counters) override |
| { |
| enabled_counters_ = std::move(counters); |
| }; |
| |
| virtual void run() override; |
| virtual const CpuMeasurements &sample() override; |
| virtual void stop() override; |
| |
| private: |
| CpuCounterSet enabled_counters_{}; |
| CpuCounterSet available_counters_{}; |
| |
| const CpuCounterSet supported_counters_{ |
| CpuCounter::Cycles, |
| CpuCounter::Instructions, |
| CpuCounter::CacheReferences, |
| CpuCounter::CacheMisses, |
| CpuCounter::BranchInstructions, |
| CpuCounter::BranchMisses}; |
| |
| bool running_{false}; |
| CpuMeasurements measurements_{}; |
| |
| std::unordered_map<CpuCounter, PmuCounter, CpuCounterHash> pmu_counters_{}; |
| }; |
| |
| } // namespace hwcpipe |