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73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
/*
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* SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _xtensa_perfmon_apis_H_
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#define _xtensa_perfmon_apis_H_
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#include "xtensa_perfmon_access.h"
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#include "xtensa_perfmon_masks.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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* @brief Performance monitor configuration structure
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*
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* Structure to configure performance counter to measure dedicated function
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*/
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typedef struct xtensa_perfmon_config {
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int repeat_count; /*!< how much times function will be called before the calback will be repeated */
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float max_deviation; /*!< Difference between min and max counter number 0..1, 0 - no difference, 1 - not used */
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void *call_params; /*!< This pointer will be passed to the call_function as a parameter */
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void (*call_function)(void *params); /*!< pointer to the function that have to be called */
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void (*callback)(void *params, uint32_t select, uint32_t mask, uint32_t value); /*!< pointer to the function that will be called with result parameters */
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void *callback_params; /*!< parameter that will be passed to the callback */
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int tracelevel; /*!< trace level for all counters.
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In case of negative value, the filter will be ignored.
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If it's >=0, then the perfmon will count only when interrupt level > tracelevel. It's useful to monitor interrupts. */
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uint32_t counters_size;/*!< amount of counter in the list */
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const uint32_t *select_mask; /*!< list of the select/mask parameters */
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} xtensa_perfmon_config_t;
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/**
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* @brief Execute PM
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*
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* Execute performance counter for dedicated function with defined parameters
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*
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* @param[in] config: pointer to the configuration structure
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*
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* @return
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* - ESP_OK if no errors
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* - ESP_ERR_INVALID_ARG if one of the required parameters not defined
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* - ESP_FAIL - counter overflow
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*/
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esp_err_t xtensa_perfmon_exec(const xtensa_perfmon_config_t *config);
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/**
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* @brief Dump PM results
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*
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* Callback to dump perfmon result to a FILE* stream specified in
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* perfmon_config_t::callback_params. If callback_params is set to NULL, will print to stdout
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*
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* @param[in] params: used parameters passed from configuration (callback_params).
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* This parameter expected as FILE* hanle, where data will be stored.
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* If this parameter NULL, then data will be stored to the stdout.
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* @param[in] select: select value for current counter
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* @param[in] mask: mask value for current counter
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* @param[in] value: counter value for current counter
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*
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*/
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void xtensa_perfmon_view_cb(void *params, uint32_t select, uint32_t mask, uint32_t value);
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#ifdef __cplusplus
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}
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#endif
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#endif // _xtensa_perfmon_apis_H_
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