ESP-IDF
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Outline
#include "xtensa_perfmon_access.h"
#include "xtensa-debug-module.h"
#include "eri.h"
xtensa_perfmon_init(int, uint16_t, uint16_t, int, int)
xtensa_perfmon_dump()
xtensa_perfmon_reset(int)
xtensa_perfmon_start()
xtensa_perfmon_stop()
xtensa_perfmon_value(int)
xtensa_perfmon_overflow(int)
Files
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SourceVuESP-IDF Framework and ExamplesESP-IDFcomponents/perfmon/xtensa_perfmon_access.c
 
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/* * SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ #include "xtensa_perfmon_access.h" #include "xtensa-debug-module.h" #include "eri.h" esp_err_t xtensa_perfmon_init(int id, uint16_t select, uint16_t mask, int kernelcnt, int tracelevel) { if (id >= ERI_PERFMON_MAX) { return ESP_ERR_INVALID_ARG; }{...} uint32_t pmc = ((tracelevel & PMCTRL_TRACELEVEL_MASK) << PMCTRL_TRACELEVEL_SHIFT) | ((select & PMCTRL_SELECT_MASK) << PMCTRL_SELECT_SHIFT) | ((mask & PMCTRL_MASK_MASK) << PMCTRL_MASK_SHIFT) | ((kernelcnt & 1) << PMCTRL_KRNLCNT_SHIFT); eri_write(ERI_PERFMON_PM0 + id * sizeof(int32_t), 0); eri_write(ERI_PERFMON_PMCTRL0 + id * sizeof(int32_t), pmc); return ESP_OK; }{ ... } void xtensa_perfmon_dump(void) { uint32_t pgm = eri_read(ERI_PERFMON_PGM); uint32_t intpc = eri_read(ERI_PERFMON_INTPC); printf("perfmon: PGM=%08x, INTPC=%08x\n", pgm, intpc); for (int i = 0 ; i < ERI_PERFMON_MAX ; i++) { uint32_t pm = eri_read(ERI_PERFMON_PM0 + i * sizeof(int32_t)); uint32_t pmctrl = eri_read(ERI_PERFMON_PMCTRL0 + i * sizeof(int32_t)); uint32_t pmstat = eri_read(ERI_PERFMON_PMSTAT0 + i * sizeof(int32_t)); printf("perfmon: pm%i=%08x, pmctrl%i=%08x, pmstat%i=%08x\n", i, pm, i, pmctrl, i, pmstat); }{...} }{ ... } esp_err_t xtensa_perfmon_reset(int id) { if (id >= ERI_PERFMON_MAX) { return ESP_ERR_INVALID_ARG; }{...} eri_write(ERI_PERFMON_PM0 + id * sizeof(int32_t), 0); return ESP_OK; }{ ... } void xtensa_perfmon_start(void) { eri_write(ERI_PERFMON_PGM, PGM_PMEN); }{ ... } void xtensa_perfmon_stop(void) { eri_write(ERI_PERFMON_PGM, 0); }{ ... } uint32_t xtensa_perfmon_value(int id) { if (id >= ERI_PERFMON_MAX) { return 0; }{...} uint32_t result = eri_read(ERI_PERFMON_PM0 + id * sizeof(int32_t)); return result; }{ ... } esp_err_t xtensa_perfmon_overflow(int id) { if (id >= ERI_PERFMON_MAX) { return ESP_ERR_INVALID_ARG; }{...} uint32_t result = eri_read(ERI_PERFMON_PMSTAT0 + id * sizeof(int32_t)); if (result & 1) { return ESP_FAIL; }{...} return ESP_OK; }{ ... }
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