| /* |
| * SPDX-FileCopyrightText: Copyright 2021-2022 Arm Limited and/or its affiliates <open-source-office@arm.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the License); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ETHOSU_MONITOR_H |
| #define ETHOSU_MONITOR_H |
| |
| #include "EventRecorder.h" |
| #include "EventRecorderConf.h" |
| #include <algorithm> |
| #include <ethosu_driver.h> |
| #include <pmu_ethosu.h> |
| #include <stdint.h> |
| #include <vector> |
| |
| class EthosUMonitor { |
| |
| public: |
| enum Backend { PRINTF, EVENT_RECORDER }; |
| |
| EthosUMonitor(Backend backend = PRINTF); |
| |
| template <typename T> |
| void configure(ethosu_driver *drv, const T &eventIds) { |
| // Set event ids |
| numEvents = std::min(static_cast<size_t>(ETHOSU_PMU_NCOUNTERS), eventIds.size()); |
| for (size_t i = 0; i < numEvents; i++) { |
| ethosuEventIds[i] = eventIds[i]; |
| } |
| |
| // config pmu and set driver |
| ETHOSU_PMU_Enable(drv); |
| |
| for (size_t i = 0; i < ETHOSU_PMU_NCOUNTERS; i++) { |
| ETHOSU_PMU_Set_EVTYPER(drv, i, static_cast<ethosu_pmu_event_type>(ethosuEventIds[i])); |
| ETHOSU_PMU_CNTR_Enable(drv, 1 << i); |
| } |
| |
| ETHOSU_PMU_CNTR_Enable(drv, ETHOSU_PMU_CCNT_Msk); |
| |
| ETHOSU_PMU_EVCNTR_ALL_Reset(drv); |
| ETHOSU_PMU_CYCCNT_Reset(drv); |
| } |
| |
| void release(ethosu_driver *drv); |
| |
| void monitorSample(ethosu_driver *drv); |
| |
| private: |
| struct EthosuEventRecord { |
| uint64_t cycleCount; |
| uint32_t qread; |
| uint32_t status; |
| struct { |
| uint32_t eventConfig; |
| uint32_t eventCount; |
| } event[ETHOSU_PMU_NCOUNTERS]; |
| }; |
| |
| static constexpr int32_t EthosuEventComponentNo = 0x00; |
| |
| ethosu_pmu_event_type ethosuEventIds[ETHOSU_PMU_NCOUNTERS]; |
| size_t numEvents; |
| Backend backend; |
| }; |
| |
| #endif |