blob: 14fdc89a9d567acbd9f1a647ea8f7f9eed3212b9 [file] [log] [blame]
/*
* 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