alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-09-30 19:19:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

freertos: Fix cross-core usage of event groups

Browse Source 
Fixes & re-enabled broken unit tests
Adds per-event-group spinlock instead of single global lock
This commit is contained in:
Angus Gratton
2017-02-28 12:06:36 +11:00
parent 290c40a4ab
commit 20212ee823
2 changed files with 50 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
components/freertos/test/test_freertos_eventgroups.c
View File

@@ -11,9 +11,10 @@
#define BIT_RESPONSE(TASK) (1 << (TASK+1))
#define ALL_RESPONSE_BITS (((1 << NUM_TASKS) - 1) << 1)
static const int NUM_TASKS = 4;
static const int COUNT = 4000;
static const int NUM_TASKS = 8;
static const int COUNT = 1000;
static EventGroupHandle_t eg;
static SemaphoreHandle_t done_sem;
static void task_event_group_call_response(void *param)
{
@@ -32,15 +33,14 @@ static void task_event_group_call_response(void *param)
}
printf("Task %d done\n", task_num);
/* Delay is due to not-yet-fixed bug with deleting tasks at same time */
vTaskDelay(100 / portTICK_PERIOD_MS);
xSemaphoreGive(done_sem);
vTaskDelete(NULL);
}
TEST_CASE("FreeRTOS Event Groups", "[freertos][ignore]")
TEST_CASE("FreeRTOS Event Groups", "[freertos]")
{
eg = xEventGroupCreate();
done_sem = xSemaphoreCreateCounting(NUM_TASKS, 0);
/* Note: task_event_group_call_response all have higher priority than us, so will block together.
@@ -50,7 +50,7 @@ TEST_CASE("FreeRTOS Event Groups", "[freertos][ignore]")
for (int c = 0; c < NUM_TASKS; c++) {
xTaskCreatePinnedToCore(task_event_group_call_response, "tsk_call_resp", 4096, (void *)c, configMAX_PRIORITIES - 1, NULL, c % portNUM_PROCESSORS);
}
/* Scheduler weirdness, if we don't sleep a few ticks here then the tasks on the other CPU aren't running yet... */
/* Scheduler weirdness (bug?), if we don't sleep a few ticks here then the tasks on the other CPU aren't running yet... */
vTaskDelay(10);
for (int i = 0; i < COUNT; i++) {
@@ -60,11 +60,17 @@ TEST_CASE("FreeRTOS Event Groups", "[freertos][ignore]")
/* signal all tasks with "CALL" bit... */
xEventGroupSetBits(eg, BIT_CALL);
while (xEventGroupWaitBits(eg, ALL_RESPONSE_BITS, true, true, portMAX_DELAY) != ALL_RESPONSE_BITS) {
}
TEST_ASSERT_EQUAL(ALL_RESPONSE_BITS, xEventGroupWaitBits(eg, ALL_RESPONSE_BITS, true, true, 100 / portMAX_DELAY));
}
}
/* Ensure all tasks cleaned up correctly */
for (int c = 0; c < NUM_TASKS; c++) {
TEST_ASSERT( xSemaphoreTake(done_sem, 100/portTICK_PERIOD_MS) );
}
vSemaphoreDelete(done_sem);
vEventGroupDelete(eg);
}
#define BIT_DONE(X) (1<<(NUM_TASKS+1+X))
@@ -82,24 +88,32 @@ static void task_test_sync(void *param)
}
int after_done = xEventGroupSetBits(eg, BIT_DONE(task_num));
printf("Done %d = %x\n", task_num, after_done);
printf("Done %d = 0x%08x\n", task_num, after_done);
/* Delay is due to not-yet-fixed bug with deleting tasks at same time */
vTaskDelay(100 / portTICK_PERIOD_MS);
xSemaphoreGive(done_sem);
vTaskDelete(NULL);
}
TEST_CASE("FreeRTOS Event Group Sync", "[freertos][ignore]")
TEST_CASE("FreeRTOS Event Group Sync", "[freertos]")
{
eg = xEventGroupCreate();
done_sem = xSemaphoreCreateCounting(NUM_TASKS, 0);
for (int c = 0; c < NUM_TASKS; c++) {
xTaskCreatePinnedToCore(task_test_sync, "task_test_sync", 4096, (void *)c, configMAX_PRIORITIES - 1, NULL, c % portNUM_PROCESSORS);
}
for (int c = 0; c < NUM_TASKS; c++) {
printf("Waiting on %d (%x)\n", c, BIT_DONE(c));
xEventGroupWaitBits(eg, BIT_DONE(c), false, false, portMAX_DELAY);
printf("Waiting on %d (0x%08x)\n", c, BIT_DONE(c));
TEST_ASSERT( xEventGroupWaitBits(eg, BIT_DONE(c), false, false, portMAX_DELAY) );
}
/* Ensure all tasks cleaned up correctly */
for (int c = 0; c < NUM_TASKS; c++) {
TEST_ASSERT( xSemaphoreTake(done_sem, 100/portTICK_PERIOD_MS) );
}
vSemaphoreDelete(done_sem);
vEventGroupDelete(eg);
}