193 lines
6.5 KiB
C
193 lines
6.5 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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#include <string.h>
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#include "unity.h"
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#include "esp_log.h"
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#include <stdlib.h>
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#include "perfmon.h"
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// These includes required only for the tests
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#include "xtensa-debug-module.h"
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#include "eri.h"
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static const char *TAG = "perfmon";
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TEST_CASE("Perfomance counter dump", "[perfmon]")
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{
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xtensa_perfmon_dump();
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xtensa_perfmon_stop();
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xtensa_perfmon_dump();
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xtensa_perfmon_init(0, 0, 0xffff, 0, 6);
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xtensa_perfmon_dump();
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xtensa_perfmon_reset(0);
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xtensa_perfmon_start();
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int pm_data[10];
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for (int i = 0 ; i < 10 ; i++) {
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if (i == 4) {
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xtensa_perfmon_reset(0);
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xtensa_perfmon_start();
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}
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if (i == 6) {
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xtensa_perfmon_stop();
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}
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if (i == 8) {
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xtensa_perfmon_start();
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}
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pm_data[i] = eri_read(ERI_PERFMON_PM0);
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}
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for (int i = 0 ; i < 10 ; i++) {
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ESP_LOGI(TAG, "pm_data[%i]= %08x", i, pm_data[i]);
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}
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if (pm_data[4] > pm_data[3]) {
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ESP_LOGE(TAG, "The functions xtensa_perfmon_reset and xtensa_perfmon_start are not working correct.");
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ESP_LOGW(TAG, "pm_data[3]= %i, must be > pm_data[4]= %i", pm_data[3], pm_data[4]);
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TEST_ESP_OK(ESP_FAIL);
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}
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if ( pm_data[6] != pm_data[7]) {
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ESP_LOGE(TAG, "The xtensa_perfmon_stop functions is not working correct.");
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ESP_LOGW(TAG, "pm_data[6]= %i, must be == pm_data[7]= %i", pm_data[6], pm_data[7]);
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TEST_ESP_OK(ESP_FAIL);
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}
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if ( pm_data[7] == pm_data[8]) {
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ESP_LOGE(TAG, "The xtensa_perfmon_start functions is not working correct.");
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ESP_LOGW(TAG, "pm_data[7]= %i, must be < pm_data[8]= %i", pm_data[7], pm_data[8]);
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TEST_ESP_OK(ESP_FAIL);
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}
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xtensa_perfmon_stop();
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}
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static void test_call(void* params)
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{
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for (int i = 0 ; i < 1000 ; i++) {
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__asm__ __volatile__(" nop");
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}
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}
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static bool callback_called = false;
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static int callback_call_count = 0;
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static void test_callback(void *params, uint32_t select, uint32_t mask, uint32_t value)
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{
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ESP_LOGI("test", "test_callback select = %i, mask = %i, value = %i", select, mask, value);
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callback_called = true;
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callback_call_count++;
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}
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TEST_CASE("Performacnce test callback", "[perfmon]")
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{
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ESP_LOGI(TAG, "Initialize performance structure");
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xtensa_perfmon_config_t pm_config = {};
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pm_config.counters_size = sizeof(xtensa_perfmon_select_mask_all) / sizeof(uint32_t) / 2;
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pm_config.select_mask = xtensa_perfmon_select_mask_all;
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pm_config.repeat_count = 200;
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pm_config.max_deviation = 1;
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pm_config.call_function = test_call;
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pm_config.callback = test_callback;
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pm_config.callback_params = stdout;
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pm_config.tracelevel = -1; // Trace all events
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callback_called = false;
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callback_call_count = 0;
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xtensa_perfmon_exec(&pm_config);
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ESP_LOGI(TAG, "Callback count = %i", callback_call_count);
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if (callback_call_count != pm_config.counters_size) {
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ESP_LOGE(TAG, "The callback count is not correct.");
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ESP_LOGW(TAG, "callback_call_count= %i, must be == pm_config.counters_size= %i", callback_call_count, pm_config.counters_size);
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TEST_ESP_OK(ESP_FAIL);
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}
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if (ESP_OK != xtensa_perfmon_overflow(0))
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{
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ESP_LOGE(TAG, "Perfmon 0 overflow detected!");
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TEST_ESP_OK(ESP_FAIL);
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}
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if (ESP_OK != xtensa_perfmon_overflow(1))
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{
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ESP_LOGE(TAG, "Perfmon 1 overflow detected!");
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TEST_ESP_OK(ESP_FAIL);
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}
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if (false == callback_called) {
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TEST_ESP_OK(ESP_FAIL);
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}
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}
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static void exec_callback(void *params)
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{
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for (int i = 0 ; i < 100 ; i++) {
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__asm__ __volatile__(" nop");
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}
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}
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static const uint32_t test_dsp_table[] = {
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XTPERF_CNT_CYCLES, XTPERF_MASK_CYCLES, // total cycles
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XTPERF_CNT_INSN, XTPERF_MASK_INSN_ALL, // total instructions
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XTPERF_CNT_D_LOAD_U1, XTPERF_MASK_D_LOAD_LOCAL_MEM, // Mem read
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XTPERF_CNT_D_STORE_U1, XTPERF_MASK_D_STORE_LOCAL_MEM, // Mem write
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XTPERF_CNT_BUBBLES, XTPERF_MASK_BUBBLES_ALL &(~XTPERF_MASK_BUBBLES_R_HOLD_REG_DEP), // wait for other reasons
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XTPERF_CNT_BUBBLES, XTPERF_MASK_BUBBLES_R_HOLD_REG_DEP, // Wait for register dependency
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XTPERF_CNT_OVERFLOW, XTPERF_MASK_OVERFLOW, // Last test cycle
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};
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TEST_CASE("Performance test for Empty callback", "[perfmon]")
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{
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for (int i = 5 ; i < 10 ; i++) {
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exec_callback(NULL);
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ESP_LOGD(TAG, "Empty call passed.");
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}
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ESP_LOGI(TAG, "Start first test");
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xtensa_perfmon_config_t pm_config = {};
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pm_config.counters_size = sizeof(xtensa_perfmon_select_mask_all) / sizeof(uint32_t) / 2;
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pm_config.select_mask = xtensa_perfmon_select_mask_all;
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pm_config.repeat_count = 200;
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pm_config.max_deviation = 1;
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pm_config.call_function = exec_callback;
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pm_config.callback = xtensa_perfmon_view_cb;
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pm_config.callback_params = stdout;
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pm_config.tracelevel = -1;
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xtensa_perfmon_exec(&pm_config);
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callback_call_count = 0;
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ESP_LOGI(TAG, "Start second test");
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pm_config.counters_size = sizeof(test_dsp_table) / sizeof(uint32_t) / 2;
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pm_config.select_mask = test_dsp_table;
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pm_config.repeat_count = 200;
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pm_config.max_deviation = 1;
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pm_config.call_function = exec_callback;
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pm_config.callback = xtensa_perfmon_view_cb;
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pm_config.callback_params = stdout;
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pm_config.tracelevel = -1;
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xtensa_perfmon_exec(&pm_config);
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callback_call_count = 0;
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ESP_LOGI(TAG, "Start third test");
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pm_config.counters_size = sizeof(test_dsp_table) / sizeof(uint32_t) / 2;
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pm_config.select_mask = test_dsp_table;
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pm_config.repeat_count = 200;
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pm_config.max_deviation = 1;
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pm_config.call_function = exec_callback;
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pm_config.callback = test_callback;
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pm_config.callback_params = stdout;
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pm_config.tracelevel = -1;
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xtensa_perfmon_exec(&pm_config);
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if (callback_call_count != pm_config.counters_size) {
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TEST_ESP_OK(ESP_FAIL);
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}
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ESP_LOGI(TAG, "All tests passed.");
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}
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