Jens Elofsson | a9817a1 | 2021-05-18 11:30:35 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2021 Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: Apache-2.0 |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the License); you may |
| 7 | * not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| 14 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | #ifndef ETHOSU_MONITOR_H |
| 20 | #define ETHOSU_MONITOR_H |
| 21 | |
| 22 | #include "EventRecorder.h" |
| 23 | #include "EventRecorderConf.h" |
| 24 | #include <algorithm> |
| 25 | #include <ethosu_driver.h> |
| 26 | #include <pmu_ethosu.h> |
| 27 | #include <stdint.h> |
| 28 | |
| 29 | class EthosUMonitor { |
| 30 | |
| 31 | public: |
| 32 | enum Backend { PRINTF, EVENT_RECORDER }; |
| 33 | |
| 34 | EthosUMonitor(int32_t __id = EventID(EventLevelError, EvtStatistics_No, EventRecordNone), Backend backend = PRINTF); |
| 35 | |
| 36 | template <typename T> |
| 37 | void configure(ethosu_driver *drv, const T &eventIds) { |
| 38 | // Set event ids |
| 39 | numEvents = std::min(static_cast<size_t>(ETHOSU_PMU_NCOUNTERS), eventIds.size()); |
| 40 | for (size_t i = 0; i < numEvents; i++) { |
| 41 | ethosuEventIds[i] = eventIds[i]; |
| 42 | } |
| 43 | |
| 44 | // config pmu and set driver |
| 45 | ETHOSU_PMU_Enable(drv); |
| 46 | |
| 47 | for (size_t i = 0; i < ETHOSU_PMU_NCOUNTERS; i++) { |
| 48 | ETHOSU_PMU_Set_EVTYPER(drv, i, static_cast<ethosu_pmu_event_type>(ethosuEventIds[i])); |
| 49 | ETHOSU_PMU_CNTR_Enable(drv, 1 << i); |
| 50 | } |
| 51 | |
| 52 | ETHOSU_PMU_EVCNTR_ALL_Reset(drv); |
| 53 | } |
| 54 | |
| 55 | void release(ethosu_driver *drv); |
| 56 | |
| 57 | void monitorSample(ethosu_driver *drv); |
| 58 | |
| 59 | private: |
| 60 | ethosu_pmu_event_type ethosuEventIds[ETHOSU_PMU_NCOUNTERS]; |
| 61 | size_t numEvents; |
| 62 | int32_t eventRecordId; |
| 63 | Backend backend; |
| 64 | }; |
| 65 | |
| 66 | #endif |