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/*
* Copyright (c) 2022 Arm Limited. All rights reserved.
* 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
*
* http://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 ETHOS_U_PROFILER_H
#define ETHOS_U_PROFILER_H
#include "pmu_ethosu.h"
#define ETHOSU_DERIVED_NCOUNTERS 1 /**< Number of counters derived from event counters */
#define ETHOSU_PROFILER_NUM_COUNTERS ( \
ETHOSU_DERIVED_NCOUNTERS + \
ETHOSU_PMU_NCOUNTERS + \
1 /* total CCNT */)
typedef struct npu_event_counter_ {
enum ethosu_pmu_event_type event_type;
uint32_t event_mask;
uint32_t counter_value;
const char* unit;
const char* name;
} npu_evt_counter;
typedef struct npu_derived_counter_ {
uint32_t counter_value;
const char* unit;
const char* name;
} npu_derived_counter;
typedef struct ethosu_pmu_counters_ {
uint64_t npu_total_ccnt; /**< Total NPU cycles */
npu_evt_counter npu_evt_counters[ETHOSU_PMU_NCOUNTERS];
npu_derived_counter npu_derived_counters[ETHOSU_DERIVED_NCOUNTERS];
uint32_t num_total_counters; /**< Total number of counters */
} ethosu_pmu_counters;
/**
* @brief Initialise the Arm Ethos-U NPU performance monitoring unit.
*/
void ethosu_pmu_init(void);
/**
* @brief Resets the Arm Ethos-U NPU PMU counters.
*/
void ethosu_pmu_reset_counters(void);
/**
* @brief Get the Arm Ethos-U NPU PMU counters
* @return ethosu_pmu_counters
*/
ethosu_pmu_counters ethosu_get_pmu_counters(void);
#endif /* ETHOS_U_PROFILER_H */
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