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SourceVuESP-IDF Framework and ExamplesESP-IDFxtensa_perfmon_init()

xtensa_perfmon_init() function

Init Performance Monitoor Initialize performance monitor register with define values

Syntax

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Summary

Declaration

Definition

from xtensa_perfmon_access.h:37

esp_err_t xtensa_perfmon_init(int id, uint16_t select, uint16_t mask, int kernelcnt, int tracelevel);

Implemented in xtensa_perfmon_access.c:12

Arguments

Argument

Description

performance counter number

select

select value from PMCTRLx register

mask

mask value from PMCTRLx register

kernelcnt

kernelcnt value from PMCTRLx register

tracelevel

tracelevel value from PMCTRLx register

Return value

- ESP_OK on success - ESP_ERR_INVALID_ARG if one of the arguments is not correct

References

Code

Location

Referrer

esp_err_t xtensa_perfmon_init(int id, uint16_t select, uint16_t mask, int kernelcnt, int tracelevel)

xtensa_perfmon_access.c:12

esp_err_t xtensa_perfmon_init(int id, uint16_t select, uint16_t mask, int kernelcnt, int tracelevel);

xtensa_perfmon_access.h:37

xtensa_perfmon_init(0, 0, 0xffff, kernelcnt, config->tracelevel);

xtensa_perfmon_apis.c:35

xtensa_perfmon_exec()

xtensa_perfmon_init(1, config->select_mask[n * 2 + 0], config->select_mask[n * 2 + 1], kernelcnt, config->tracelevel);

xtensa_perfmon_apis.c:36

xtensa_perfmon_exec()

Call Tree

xtensa_perfmon_init() is called by 1 function and calls 1 function:

xtensa_perfmon_exec()

xtensa_perfmon_init()

eri_write()

Data Use

xtensa_perfmon_init():

xtensa_perfmon_init()

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