[v2,4/4] test_dmadev: increase iterations of capacity test case
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Commit Message
To ensure we catch any bugs in calculation due to wrap-around of the id
values, increase the number of iterations of the burst_capacity test.
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
app/test/test_dmadev.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
Comments
On 11/01/2022 13:41, Bruce Richardson wrote:
> To ensure we catch any bugs in calculation due to wrap-around of the id
> values, increase the number of iterations of the burst_capacity test.
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
> app/test/test_dmadev.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
Acked-by: Kevin Laatz <kevin.laatz@intel.com>
@@ -686,10 +686,11 @@ test_burst_capacity(int16_t dev_id, uint16_t vchan)
/* to test capacity, we enqueue elements and check capacity is reduced
* by one each time - rebaselining the expected value after each burst
* as the capacity is only for a burst. We enqueue multiple bursts to
- * fill up half the ring, before emptying it again. We do this twice to
- * ensure that we get to test scenarios where we get ring wrap-around
+ * fill up half the ring, before emptying it again. We do this multiple
+ * times to ensure that we get to test scenarios where we get ring
+ * wrap-around and wrap-around of the ids returned (at UINT16_MAX).
*/
- for (iter = 0; iter < 2; iter++) {
+ for (iter = 0; iter < 2 * (((int)UINT16_MAX + 1) / ring_space); iter++) {
for (i = 0; i < (ring_space / (2 * CAP_TEST_BURST_SIZE)) + 1; i++) {
cap = rte_dma_burst_capacity(dev_id, vchan);