app/eventdev: fix divide by zero
[dpdk.git] / app / test-eventdev / test_perf_common.c
index aa925a7..b3af4bf 100644 (file)
@@ -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;
 }
 
@@ -439,7 +441,7 @@ perf_event_timer_adapter_setup(struct test_perf *t)
 
                if (!(adapter_info.caps &
                                RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT)) {
-                       uint32_t service_id;
+                       uint32_t service_id = -1U;
 
                        rte_event_timer_adapter_service_id_get(wl,
                                        &service_id);
@@ -660,6 +662,7 @@ int
 perf_ethdev_setup(struct evt_test *test, struct evt_options *opt)
 {
        uint16_t i;
+       int ret;
        struct test_perf *t = evt_test_priv(test);
        struct rte_eth_conf port_conf = {
                .rxmode = {
@@ -688,7 +691,12 @@ perf_ethdev_setup(struct evt_test *test, struct evt_options *opt)
                struct rte_eth_dev_info dev_info;
                struct rte_eth_conf local_port_conf = port_conf;
 
-               rte_eth_dev_info_get(i, &dev_info);
+               ret = rte_eth_dev_info_get(i, &dev_info);
+               if (ret != 0) {
+                       evt_err("Error during getting device (port %u) info: %s\n",
+                                       i, strerror(-ret));
+                       return ret;
+               }
 
                local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
                        dev_info.flow_type_rss_offloads;
@@ -720,7 +728,12 @@ perf_ethdev_setup(struct evt_test *test, struct evt_options *opt)
                        return -EINVAL;
                }
 
-               rte_eth_promiscuous_enable(i);
+               ret = rte_eth_promiscuous_enable(i);
+               if (ret != 0) {
+                       evt_err("Failed to enable promiscuous mode for eth port [%d]: %s",
+                               i, rte_strerror(-ret));
+                       return ret;
+               }
        }
 
        return 0;