[dpdk-dev] [PATCH 1/2] app/test-eventdev: fix possible divide by zero

[pbhagavatula]

From: Pavan Nikhilesh <pbhagavat...@marvell.com>

Fix possible divide by zero condition when calculating percentages.

Coverity Issue: 277205
Coverity Issue: 277234
Fixes: d008f20bce23 ("app/eventdev: add event timer adapter as a producer")
Cc: sta...@dpdk.org

Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
---
 app/test-eventdev/test_perf_common.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/app/test-eventdev/test_perf_common.c 
b/app/test-eventdev/test_perf_common.c
index e7cf75a7d..b3af4bfec 100644
--- a/app/test-eventdev/test_perf_common.c
+++ b/app/test-eventdev/test_perf_common.c
@@ -133,8 +133,9 @@ perf_event_timer_producer(void *arg)
        fflush(stdout);
        rte_delay_ms(1000);
        printf("%s(): lcore %d Average event timer arm latency = %.3f us\n",
-                       __func__, rte_lcore_id(), (float)(arm_latency / count) /
-                       (rte_get_timer_hz() / 1000000));
+                       __func__, rte_lcore_id(),
+                       count ? (float)(arm_latency / count) /
+                       (rte_get_timer_hz() / 1000000) : 0);
        return 0;
 }

@@ -194,8 +195,9 @@ perf_event_timer_producer_burst(void *arg)
        fflush(stdout);
        rte_delay_ms(1000);
        printf("%s(): lcore %d Average event timer arm latency = %.3f us\n",
-                       __func__, rte_lcore_id(), (float)(arm_latency / count) /
-                       (rte_get_timer_hz() / 1000000));
+                       __func__, rte_lcore_id(),
+                       count ? (float)(arm_latency / count) /
+                       (rte_get_timer_hz() / 1000000) : 0);
        return 0;
 }

--
2.17.1