In case of hardware PMDs (which may take a longer duration
for processing the packets), there may be a case when the
number of enqueued packets are more than the dequeued.
So if the difference is more than 8 times the burst size,
more dequeue operations should be performed otherwise all
the buffers will be blocked in hardware.
Signed-off-by: Akhil Goyal <akhil.go...@nxp.com>
---
app/test-crypto-perf/cperf_test_throughput.c | 40 +++++++++++---------
1 file changed, 23 insertions(+), 17 deletions(-)
diff --git a/app/test-crypto-perf/cperf_test_throughput.c
b/app/test-crypto-perf/cperf_test_throughput.c
index 2767f4ea8..d24a6dda0 100644
--- a/app/test-crypto-perf/cperf_test_throughput.c
+++ b/app/test-crypto-perf/cperf_test_throughput.c
@@ -208,23 +208,29 @@ cperf_throughput_test_runner(void *test_ctx)
/* Dequeue processed burst of ops from crypto device */
- ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id,
ctx->qp_id,
- ops_processed, test_burst_size);
-
- if (likely(ops_deqd)) {
- /* Free crypto ops so they can be reused. */
- rte_mempool_put_bulk(ctx->pool,
- (void **)ops_processed,
ops_deqd);
-
- ops_deqd_total += ops_deqd;
- } else {
- /**
- * Count dequeue polls which didn't return any
- * processed operations. This statistic is
mainly
- * relevant to hw accelerators.
- */
- ops_deqd_failed++;
- }
+ do {
+ ops_deqd = rte_cryptodev_dequeue_burst(
+ ctx->dev_id, ctx->qp_id,
+ ops_processed, test_burst_size);
+
+ if (likely(ops_deqd)) {
+ /* Free crypto ops for reuse */
+ rte_mempool_put_bulk(ctx->pool,
+ (void **)ops_processed,
+ ops_deqd);
+
+ ops_deqd_total += ops_deqd;
+ } else {
+ /**
+ * Count dequeue polls which didn't
+ * return any processed operations.
+ * This statistic is mainly relevant
+ * to hw accelerators.
+ */
+ ops_deqd_failed++;
+ }
+ } while (ops_enqd_total - ops_deqd_total >
+ test_burst_size * 8);
}
--
2.17.1
