ESP-IDF
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Outline
#define _PERF_MON_ACCESS_H_
#include <stdint.h>
#include <stdbool.h>
#include "esp_err.h"
#include "esp_log.h"
xtensa_perfmon_init(int, uint16_t, uint16_t, int, int);
xtensa_perfmon_reset(int);
xtensa_perfmon_start();
xtensa_perfmon_stop();
xtensa_perfmon_value(int);
xtensa_perfmon_overflow(int);
xtensa_perfmon_dump();
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/perfmon/include/xtensa_perfmon_access.h
 
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/* * SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #ifndef _PERF_MON_ACCESS_H_ #define _PERF_MON_ACCESS_H_ #include <stdint.h> #include <stdbool.h> #include "esp_err.h" #include "esp_log.h" #ifdef __cplusplus extern "C" { #endif /**@{*/ /** * @brief Init Performance Monitoor * * Initialize performance monitor register with define values * * @param[in] id: performance counter number * @param[in] select: select value from PMCTRLx register * @param[in] mask: mask value from PMCTRLx register * @param[in] kernelcnt: kernelcnt value from PMCTRLx register * @param[in] tracelevel: tracelevel value from PMCTRLx register * * @return * - ESP_OK on success * - ESP_ERR_INVALID_ARG if one of the arguments is not correct */ esp_err_t xtensa_perfmon_init(int id, uint16_t select, uint16_t mask, int kernelcnt, int tracelevel); /**@}*/ /**@{*/ /** * @brief Reset PM counter * * Reset PM counter. Writes 0 to the PMx register. * * @param[in] id: performance counter number * * @return * - ESP_OK on success * - ESP_ERR_INVALID_ARG if id out of range */ esp_err_t xtensa_perfmon_reset(int id); /**@}*/ /**@{*/ /** * @brief Start PM counters * * Start all PM counters synchronously. Write 1 to the PGM register */ void xtensa_perfmon_start(void); /**@}*/ /**@{*/ /** * @brief Stop PM counters * * Stop all PM counters synchronously. Write 0 to the PGM register */ void xtensa_perfmon_stop(void); /**@}*/ /**@{*/ /** * @brief Read PM counter * * Read value of defined PM counter. * * @param[in] id: performance counter number * * @return * - Performance counter value */ uint32_t xtensa_perfmon_value(int id); /**@}*/ /**@{*/ /** * @brief Read PM overflow state * * Read overflow value of defined PM counter. * * @param[in] id: performance counter number * * @return * - ESP_OK if there is no overflow (overflow = 0) * - ESP_FAIL if overflow occure (overflow = 1) */ esp_err_t xtensa_perfmon_overflow(int id); /**@}*/ /**@{*/ /** * @brief Dump PM values * * Dump all PM register to the console. * */ void xtensa_perfmon_dump(void); /**@}*/ #ifdef __cplusplus } #endif #endif // _PERF_MON_ACCESS_H_
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