[dpdk-stable] [dpdk-dev] [PATCH 1/2] app/test-eventdev: fix possible divide by zero
pbhagavatula at marvell.com
pbhagavatula at marvell.com
Thu Nov 21 20:22:38 CET 2019
From: Pavan Nikhilesh <pbhagavatula at 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: stable at dpdk.org
Signed-off-by: Pavan Nikhilesh <pbhagavatula at 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
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