| /* |
| * Copyright (c) 2017-2019 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 "hwc.hpp" |
| #include "instrument.h" |
| #include "measurement.h" |
| |
| #include <map> |
| #include <vector> |
| #include <algorithm> |
| |
| /** Instrument implementation for mali hw counters. */ |
| class MaliCounter : public Instrument |
| { |
| public: |
| /// @brief Construct a Mali counter. |
| MaliCounter(); |
| |
| /** Prevent instances of this class from being copy constructed */ |
| MaliCounter(const MaliCounter &) = delete; |
| /** Prevent instances of this class from being copied */ |
| MaliCounter &operator=(const MaliCounter &) = delete; |
| |
| /** Default destructor */ |
| ~MaliCounter(); |
| |
| std::string id() const override; |
| void start() override; |
| void stop() override; |
| MeasurementsMap measurements() const override; |
| |
| private: |
| void init(); |
| void term(); |
| |
| void sample_counters(); |
| void wait_next_event(); |
| const uint32_t *get_counters() const; |
| const uint32_t *get_counters(mali_userspace::MaliCounterBlockName block, int index = -1) const; |
| int find_counter_index_by_name(mali_userspace::MaliCounterBlockName block, const char *name); |
| |
| const std::vector<std::pair<const char *, const char *>> _jm_counter_names{ |
| {"GPU_ACTIVE", "cycles"}, |
| {"JS0_JOBS", "jobs"}, |
| {"JS1_JOBS", "jobs"}}; |
| const std::vector<std::pair<const char *, const char *>> _mmu_counter_names{ |
| {"L2_READ_LOOKUP", "cache lookups"}, |
| {"L2_EXT_READ", "transactions"}, |
| {"L2_EXT_AR_STALL", "stall cycles"}, |
| {"L2_WRITE_LOOKUP", "cache lookups"}, |
| {"L2_EXT_WRITE", "transactions"}, |
| {"L2_EXT_W_STALL", "stall cycles"}, |
| {"L2_EXT_READ_BEATS", "bus cycles"}, |
| {"L2_EXT_WRITE_BEATS", "bus cycles"}}; |
| std::map<std::string, Measurement> _counters{}; |
| |
| uint64_t _start_time{0}; |
| uint64_t _stop_time{0}; |
| |
| const char *const _device{"/dev/mali0"}; |
| int _num_cores{0}; |
| int _num_l2_slices{0}; |
| uint32_t _hw_ver{0}; |
| int _buffer_count{16}; |
| size_t _buffer_size{0}; |
| uint8_t * _sample_data{nullptr}; |
| uint64_t _timestamp{0}; |
| const char *const *_names_lut{ |
| nullptr}; |
| std::vector<uint32_t> _raw_counter_buffer{}; |
| std::vector<unsigned int> _core_index_remap{}; |
| int _fd{-1}; |
| int _hwc_fd{-1}; |
| }; |