2022-06-17 10:59:56 -04:00
|
|
|
/*
|
|
|
|
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
|
|
|
|
*
|
|
|
|
* SPDX-License-Identifier: Unlicense OR CC0-1.0
|
|
|
|
*/
|
2020-03-03 12:13:10 -05:00
|
|
|
#include "unity.h"
|
|
|
|
#include <stdatomic.h>
|
|
|
|
#include "esp_log.h"
|
|
|
|
#include "esp_attr.h"
|
2020-11-05 23:00:07 -05:00
|
|
|
#include "hal/cpu_hal.h"
|
2022-06-27 03:24:07 -04:00
|
|
|
#include "esp_private/cache_utils.h"
|
2020-03-03 12:13:10 -05:00
|
|
|
|
|
|
|
#define RECORD_TIME_PREPARE() uint32_t __t1, __t2
|
2020-11-05 23:00:07 -05:00
|
|
|
#define RECORD_TIME_START() do {__t1 = cpu_hal_get_cycle_count();}while(0)
|
|
|
|
#define RECORD_TIME_END(p_time) do{__t2 = cpu_hal_get_cycle_count(); *p_time = (__t2-__t1);}while(0)
|
2020-03-03 12:13:10 -05:00
|
|
|
|
|
|
|
|
|
|
|
#define TEST_TIMES 11
|
|
|
|
|
|
|
|
//Test twice, and only get the result of second time, to avoid influence of cache miss
|
|
|
|
#define TEST_WRAP_START() \
|
|
|
|
RECORD_TIME_PREPARE(); \
|
|
|
|
spi_flash_disable_interrupts_caches_and_other_cpu(); \
|
|
|
|
for (int i = 0; i < 2; i++) { \
|
|
|
|
RECORD_TIME_START();
|
|
|
|
|
|
|
|
#define TEST_WRAP_END(output) \
|
|
|
|
RECORD_TIME_END(output); \
|
|
|
|
} \
|
|
|
|
spi_flash_enable_interrupts_caches_and_other_cpu();
|
|
|
|
|
|
|
|
typedef void (*test_f)(uint32_t* t_op);
|
|
|
|
|
|
|
|
static const char TAG[] = "test_atomic";
|
|
|
|
static uint32_t s_t_ref;
|
|
|
|
|
|
|
|
static void sorted_array_insert(uint32_t* array, int* size, uint32_t item)
|
|
|
|
{
|
|
|
|
int pos;
|
|
|
|
for (pos = *size; pos>0; pos--) {
|
|
|
|
if (array[pos-1] < item) break;
|
|
|
|
array[pos] = array[pos-1];
|
|
|
|
}
|
|
|
|
array[pos]=item;
|
|
|
|
(*size)++;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void test_flow(const char* name, test_f func)
|
|
|
|
{
|
|
|
|
int t_flight_num = 0;
|
|
|
|
uint32_t t_flight_sorted[TEST_TIMES];
|
|
|
|
|
|
|
|
for (int i = 0; i < TEST_TIMES; i++) {
|
|
|
|
uint32_t t_op;
|
|
|
|
func(&t_op);
|
|
|
|
sorted_array_insert(t_flight_sorted, &t_flight_num, t_op);
|
|
|
|
}
|
|
|
|
for (int i = 0; i < TEST_TIMES; i++) {
|
|
|
|
ESP_LOGI(TAG, "%s: %d ops", name, t_flight_sorted[i]-s_t_ref);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static IRAM_ATTR void test_ref(uint32_t* t_op)
|
|
|
|
{
|
|
|
|
TEST_WRAP_START()
|
|
|
|
TEST_WRAP_END(t_op)
|
|
|
|
s_t_ref = *t_op;
|
|
|
|
}
|
|
|
|
|
|
|
|
static IRAM_ATTR void test_atomic_load(uint32_t* t_op)
|
|
|
|
{
|
|
|
|
atomic_uint_fast32_t var;
|
|
|
|
uint32_t target = rand();
|
|
|
|
TEST_WRAP_START()
|
|
|
|
target = atomic_load(&var);
|
|
|
|
TEST_WRAP_END(t_op)
|
|
|
|
(void) target;
|
|
|
|
}
|
|
|
|
|
|
|
|
static IRAM_ATTR void test_atomic_store(uint32_t* t_op)
|
|
|
|
{
|
|
|
|
atomic_uint_fast32_t var;
|
|
|
|
uint32_t src = rand();
|
|
|
|
TEST_WRAP_START()
|
|
|
|
atomic_store(&var, src);
|
|
|
|
TEST_WRAP_END(t_op)
|
|
|
|
}
|
|
|
|
|
|
|
|
static IRAM_ATTR void test_atomic_store_load(uint32_t* t_op)
|
|
|
|
{
|
|
|
|
atomic_uint_fast32_t var;
|
|
|
|
uint32_t src = rand();
|
|
|
|
TEST_WRAP_START()
|
|
|
|
atomic_store(&var, src);
|
|
|
|
src = atomic_load(&var);
|
|
|
|
TEST_WRAP_END(t_op)
|
|
|
|
}
|
|
|
|
|
|
|
|
static IRAM_ATTR void test_atomic_fetch_and(uint32_t* t_op)
|
|
|
|
{
|
|
|
|
atomic_uint_fast32_t var;
|
|
|
|
uint32_t src = rand();
|
|
|
|
TEST_WRAP_START()
|
|
|
|
src = atomic_fetch_and(&var, src);
|
|
|
|
TEST_WRAP_END(t_op)
|
|
|
|
}
|
|
|
|
|
|
|
|
static IRAM_ATTR void test_atomic_fetch_or(uint32_t* t_op)
|
|
|
|
{
|
|
|
|
atomic_uint_fast32_t var;
|
|
|
|
uint32_t src = rand();
|
|
|
|
TEST_WRAP_START()
|
|
|
|
src = atomic_fetch_or(&var, src);
|
|
|
|
TEST_WRAP_END(t_op)
|
|
|
|
}
|
|
|
|
|
|
|
|
static IRAM_ATTR void test_atomic_compare_exchange(uint32_t* t_op)
|
|
|
|
{
|
|
|
|
atomic_uint_fast32_t var;
|
|
|
|
uint32_t src = rand();
|
|
|
|
uint32_t cmp = rand();
|
|
|
|
bool res;
|
|
|
|
TEST_WRAP_START()
|
|
|
|
res = atomic_compare_exchange_weak(&var, &src, cmp);
|
|
|
|
TEST_WRAP_END(t_op)
|
|
|
|
(void) res;
|
|
|
|
}
|
|
|
|
|
|
|
|
TEST_CASE("test atomic","[atomic]")
|
|
|
|
{
|
|
|
|
test_flow("ref", test_ref);
|
|
|
|
|
|
|
|
test_flow("atomic_load", test_atomic_load);
|
|
|
|
test_flow("atomic_store", test_atomic_store);
|
|
|
|
test_flow("atomic_compare_exchange", test_atomic_compare_exchange);
|
|
|
|
test_flow("atomic_store + atomic_load", test_atomic_store_load);
|
|
|
|
test_flow("atomic_and", test_atomic_fetch_and);
|
|
|
|
test_flow("atomic_or", test_atomic_fetch_or);
|
|
|
|
}
|