108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2024, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2024-01-17 Shell the first version
|
||
|
|
*/
|
||
|
|
#include <rtthread.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include "utest.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Stressful Test for Mutex
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define TEST_SECONDS 30
|
||
|
|
#define TEST_LOOP_TICKS (TEST_SECONDS * RT_TICK_PER_SECOND)
|
||
|
|
#define TEST_THREAD_COUNTS (RT_CPUS_NR)
|
||
|
|
#define TEST_PROGRESS_COUNTS (36)
|
||
|
|
#define TEST_PROGRESS_ON (TEST_LOOP_TICKS/TEST_PROGRESS_COUNTS)
|
||
|
|
#define TEST_PRIORITY_HIGHEST (UTEST_THR_PRIORITY+1)
|
||
|
|
#define TEST_RANDOM_LATENCY_MAX (1000 * 1000)
|
||
|
|
|
||
|
|
static struct rt_semaphore _thr_exit_sem;
|
||
|
|
static rt_atomic_t _progress_counter;
|
||
|
|
static rt_atomic_t _exit_flag;
|
||
|
|
static struct rt_mutex _racing_lock;
|
||
|
|
|
||
|
|
static void test_thread_entry(void *param)
|
||
|
|
{
|
||
|
|
while (1)
|
||
|
|
{
|
||
|
|
rt_mutex_take(&_racing_lock, RT_WAITING_FOREVER);
|
||
|
|
rt_mutex_release(&_racing_lock);
|
||
|
|
|
||
|
|
if (rt_atomic_load(&_exit_flag))
|
||
|
|
{
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
rt_sem_release(&_thr_exit_sem);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void mutex_stress_tc(void)
|
||
|
|
{
|
||
|
|
rt_err_t error;
|
||
|
|
rt_thread_t tester;
|
||
|
|
const rt_base_t priority_base = TEST_PRIORITY_HIGHEST;
|
||
|
|
|
||
|
|
for (size_t i = 0; i < TEST_THREAD_COUNTS; i++)
|
||
|
|
{
|
||
|
|
tester = rt_thread_create(
|
||
|
|
"tester",
|
||
|
|
test_thread_entry,
|
||
|
|
(void *)0,
|
||
|
|
UTEST_THR_STACK_SIZE,
|
||
|
|
priority_base + (i % (RT_THREAD_PRIORITY_MAX - TEST_PRIORITY_HIGHEST)),
|
||
|
|
1);
|
||
|
|
|
||
|
|
rt_thread_startup(tester);
|
||
|
|
}
|
||
|
|
|
||
|
|
for (size_t i = 0; i < TEST_LOOP_TICKS; i++)
|
||
|
|
{
|
||
|
|
rt_thread_delay(1);
|
||
|
|
|
||
|
|
if (rt_atomic_add(&_progress_counter, 1) % TEST_PROGRESS_ON == 0)
|
||
|
|
uassert_true(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* trigger exit request for all sub-threads */
|
||
|
|
rt_atomic_store(&_exit_flag, 1);
|
||
|
|
|
||
|
|
/* waiting for sub-threads to exit */
|
||
|
|
for (size_t i = 0; i < TEST_THREAD_COUNTS; i++)
|
||
|
|
{
|
||
|
|
error = rt_sem_take(&_thr_exit_sem, RT_WAITING_FOREVER);
|
||
|
|
uassert_int_equal(error, RT_EOK);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static rt_err_t utest_tc_init(void)
|
||
|
|
{
|
||
|
|
int *pseed = rt_malloc(sizeof(int));
|
||
|
|
srand(*(int *)pseed);
|
||
|
|
rt_free(pseed);
|
||
|
|
|
||
|
|
rt_sem_init(&_thr_exit_sem, "test", 0, RT_IPC_FLAG_PRIO);
|
||
|
|
rt_mutex_init(&_racing_lock, "ipc", RT_IPC_FLAG_PRIO);
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
static rt_err_t utest_tc_cleanup(void)
|
||
|
|
{
|
||
|
|
rt_sem_detach(&_thr_exit_sem);
|
||
|
|
rt_mutex_detach(&_racing_lock);
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void testcase(void)
|
||
|
|
{
|
||
|
|
UTEST_UNIT_RUN(mutex_stress_tc);
|
||
|
|
}
|
||
|
|
UTEST_TC_EXPORT(testcase, "testcases.kernel.scheduler.mutex", utest_tc_init, utest_tc_cleanup, TEST_SECONDS);
|