OVMS3-idf/components/freertos/test/test_improved_isr_time.c

62 lines
1.6 KiB
C

#include <esp_types.h>
#include <stdio.h>
#include "esp32/rom/ets_sys.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/queue.h"
#include "freertos/xtensa_api.h"
#include "esp_intr_alloc.h"
#include "xtensa/hal.h"
#include "unity.h"
#include "soc/cpu.h"
#include "test_utils.h"
static SemaphoreHandle_t end_sema;
extern uint32_t isr_enter_spent_time_cycles;
volatile static uint32_t isr_enter_spent_time_cycles_copy;
static void testint(void *arg) {
xthal_set_ccompare(1, xthal_get_ccount()+8000000);
}
static void nested3(void) {
intr_handle_t handle;
esp_err_t err = esp_intr_alloc(ETS_INTERNAL_TIMER1_INTR_SOURCE, 0, &testint, NULL, &handle);
TEST_ASSERT_EQUAL_HEX32(ESP_OK, err);
xthal_set_ccompare(1, xthal_get_ccount()+8000000);
vTaskDelay(10);
isr_enter_spent_time_cycles_copy = isr_enter_spent_time_cycles;
ets_printf("Average time spent on context save is: %d cycles\n\n", isr_enter_spent_time_cycles_copy);
xSemaphoreGive(end_sema);
vTaskDelete(NULL);
}
static void nested2(void) {
nested3();
}
static void nested1(void) {
nested2();
}
static void test_task(void *arg) {
(void)arg;
nested1();
}
TEST_CASE("isr handling time test", "[freertos]")
{
end_sema = xSemaphoreCreateBinary();
TEST_ASSERT(end_sema != NULL);
xTaskCreatePinnedToCore(test_task, "tst" , 4096, NULL, 3, NULL, 0);
BaseType_t result = xSemaphoreTake(end_sema, portMAX_DELAY);
TEST_ASSERT_EQUAL_HEX32(pdTRUE, result);
TEST_PERFORMANCE_LESS_THAN(SPILL_REG_CYCLES, "%d cycles" ,isr_enter_spent_time_cycles_copy);
}