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This commit is contained in:
Wim Taymans 2017-05-26 08:05:01 +02:00
parent d1a06ae247
commit 5b037661d9
154 changed files with 21017 additions and 23044 deletions
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138
spa/tests/stress-ringbuffer.c
View file

@ -12,111 +12,103 @@
struct spa_ringbuffer rb;
uint8_t *data;
static int
fill_int_array (int *array, int start, int count)
static int fill_int_array(int *array, int start, int count)
{
int i, j = start;
for (i = 0; i < count; i++)
{
array[i] = j;
j = (j + 1) % MAX_VALUE;
}
return j;
int i, j = start;
for (i = 0; i < count; i++) {
array[i] = j;
j = (j + 1) % MAX_VALUE;
}
return j;
}
static int
cmp_array (int *array1, int *array2, int count)
static int cmp_array(int *array1, int *array2, int count)
{
int i;
for (i = 0; i < count; i++)
if (array1[i] != array2[i])
{
printf("%d != %d at offset %d\n", array1[i], array2[i], i);
return 0;
}
int i;
for (i = 0; i < count; i++)
if (array1[i] != array2[i]) {
printf("%d != %d at offset %d\n", array1[i], array2[i], i);
return 0;
}
return 1;
return 1;
}
static void *
reader_start (void * arg)
static void *reader_start(void *arg)
{
int i = 0, a[ARRAY_SIZE], b[ARRAY_SIZE];
unsigned long j = 0, nfailures = 0;
int i = 0, a[ARRAY_SIZE], b[ARRAY_SIZE];
unsigned long j = 0, nfailures = 0;
printf("reader started on cpu: %d\n", sched_getcpu());
printf("reader started on cpu: %d\n", sched_getcpu());
i = fill_int_array (a, i, ARRAY_SIZE);
i = fill_int_array(a, i, ARRAY_SIZE);
while (1)
{
uint32_t index;
while (1) {
uint32_t index;
if (spa_ringbuffer_get_read_index (&rb, &index) >= ARRAY_SIZE * sizeof (int))
{
spa_ringbuffer_read_data (&rb, data, index & rb.mask, b, ARRAY_SIZE * sizeof (int));
if (spa_ringbuffer_get_read_index(&rb, &index) >= ARRAY_SIZE * sizeof(int)) {
spa_ringbuffer_read_data(&rb, data, index & rb.mask, b,
ARRAY_SIZE * sizeof(int));
if (!cmp_array (a, b, ARRAY_SIZE))
{
nfailures++;
printf("failure in chunk %lu - probability: %lu/%lu = %.3f per million\n",
j, nfailures, j, (float) nfailures / (j + 1) * 1000000);
i = (b[0] + ARRAY_SIZE) % MAX_VALUE;
}
i = fill_int_array (a, i, ARRAY_SIZE);
j++;
if (!cmp_array(a, b, ARRAY_SIZE)) {
nfailures++;
printf
("failure in chunk %lu - probability: %lu/%lu = %.3f per million\n",
j, nfailures, j, (float) nfailures / (j + 1) * 1000000);
i = (b[0] + ARRAY_SIZE) % MAX_VALUE;
}
i = fill_int_array(a, i, ARRAY_SIZE);
j++;
spa_ringbuffer_read_update (&rb, index + ARRAY_SIZE * sizeof (int));
}
}
spa_ringbuffer_read_update(&rb, index + ARRAY_SIZE * sizeof(int));
}
}
return NULL;
return NULL;
}
static void *
writer_start (void * arg)
static void *writer_start(void *arg)
{
int i = 0, a[ARRAY_SIZE];
printf("writer started on cpu: %d\n", sched_getcpu());
int i = 0, a[ARRAY_SIZE];
printf("writer started on cpu: %d\n", sched_getcpu());
i = fill_int_array (a, i, ARRAY_SIZE);
i = fill_int_array(a, i, ARRAY_SIZE);
while (1)
{
uint32_t index;
while (1) {
uint32_t index;
if (spa_ringbuffer_get_write_index (&rb, &index) >= ARRAY_SIZE * sizeof (int))
{
spa_ringbuffer_write_data (&rb, data, index & rb.mask, a, ARRAY_SIZE * sizeof (int));
spa_ringbuffer_write_update (&rb, index + ARRAY_SIZE * sizeof (int));
if (spa_ringbuffer_get_write_index(&rb, &index) >= ARRAY_SIZE * sizeof(int)) {
spa_ringbuffer_write_data(&rb, data, index & rb.mask, a,
ARRAY_SIZE * sizeof(int));
spa_ringbuffer_write_update(&rb, index + ARRAY_SIZE * sizeof(int));
i = fill_int_array (a, i, ARRAY_SIZE);
}
}
i = fill_int_array(a, i, ARRAY_SIZE);
}
}
return NULL;
return NULL;
}
int main(int argc, char *argv[])
{
int size;
int size;
printf("starting ringbuffer stress test\n");
printf("starting ringbuffer stress test\n");
sscanf(argv[1], "%d", &size);
sscanf(argv[1], "%d", &size);
printf("buffer size (bytes): %d\n", size);
printf("array size (bytes): %ld\n", sizeof(int) * ARRAY_SIZE);
printf("buffer size (bytes): %d\n", size);
printf("array size (bytes): %ld\n", sizeof(int) * ARRAY_SIZE);
spa_ringbuffer_init (&rb, size);
data = malloc (size);
spa_ringbuffer_init(&rb, size);
data = malloc(size);
pthread_t reader_thread, writer_thread;
pthread_create (&reader_thread, NULL, reader_start, NULL);
pthread_create (&writer_thread, NULL, writer_start, NULL);
pthread_t reader_thread, writer_thread;
pthread_create(&reader_thread, NULL, reader_start, NULL);
pthread_create(&writer_thread, NULL, writer_start, NULL);
while (1)
sleep(1);
while (1)
sleep(1);
return 0;
return 0;
}