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66fb5a29bb
Apply the pre-commit hook whitespace fixes to all files in the repo. (Line endings, blank lines at end of file, trailing whitespace)
126 lines
2.7 KiB
C
126 lines
2.7 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _PERF_MON_ACCESS_H_
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#define _PERF_MON_ACCESS_H_
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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_err.h"
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#include "esp_log.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**@{*/
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/**
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* @brief Init Performance Monitoor
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*
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* Initialize performance monitor register with define values
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*
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* @param[in] id: performance counter number
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* @param[in] select: select value from PMCTRLx register
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* @param[in] mask: mask value from PMCTRLx register
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* @param[in] kernelcnt: kernelcnt value from PMCTRLx register
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* @param[in] tracelevel: tracelevel value from PMCTRLx register
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*
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* @return
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* - ESP_OK on success
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* - ESP_ERR_INVALID_ARG if one of the arguments is not correct
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*/
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esp_err_t xtensa_perfmon_init(int id, uint16_t select, uint16_t mask, int kernelcnt, int tracelevel);
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/**@}*/
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/**@{*/
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/**
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* @brief Reset PM counter
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*
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* Reset PM counter. Writes 0 to the PMx register.
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*
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* @param[in] id: performance counter number
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*
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* @return
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* - ESP_OK on success
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* - ESP_ERR_INVALID_ARG if id out of range
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*/
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esp_err_t xtensa_perfmon_reset(int id);
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/**@}*/
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/**@{*/
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/**
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* @brief Start PM counters
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*
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* Start all PM counters synchronously. Write 1 to the PGM register
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*/
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void xtensa_perfmon_start(void);
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/**@}*/
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/**@{*/
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/**
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* @brief Stop PM counters
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*
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* Stop all PM counters synchronously. Write 0 to the PGM register
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*/
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void xtensa_perfmon_stop(void);
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/**@}*/
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/**@{*/
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/**
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* @brief Read PM counter
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*
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* Read value of defined PM counter.
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*
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* @param[in] id: performance counter number
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*
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* @return
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* - Performance counter value
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*/
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uint32_t xtensa_perfmon_value(int id);
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/**@}*/
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/**@{*/
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/**
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* @brief Read PM overflow state
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*
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* Read overflow value of defined PM counter.
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*
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* @param[in] id: performance counter number
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*
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* @return
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* - ESP_OK if there is no overflow (overflow = 0)
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* - ESP_FAIL if overflow occure (overflow = 1)
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*/
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esp_err_t xtensa_perfmon_overflow(int id);
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/**@}*/
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/**@{*/
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/**
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* @brief Dump PM values
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*
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* Dump all PM register to the console.
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*
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*/
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void xtensa_perfmon_dump(void);
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/**@}*/
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#ifdef __cplusplus
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}
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#endif
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#endif // _PERF_MON_ACCESS_H_
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