virtio: use indirect ring elements

[dpdk.git] / app / test / test_pmd_perf.c

diff --git a/app/test/test_pmd_perf.c b/app/test/test_pmd_perf.c
index 8f55640..48e16c9 100644 (file)
--- a/app/test/test_pmd_perf.c
+++ b/app/test/test_pmd_perf.c
@@ -626,7 +626,10 @@ timeout:
 
        rte_free(pkts_burst);
 
-       return diff_tsc / total;
+       if (total > 0)
+               return diff_tsc / total;
+       else
+               return -1;
 }
 
 static int
@@ -673,8 +676,10 @@ exec_burst(uint32_t flags, int lcore)
 
        /* wait for polling finished */
        diff_tsc = rte_eal_wait_lcore(lcore);
-       if (diff_tsc < 0)
+       if (diff_tsc < 0) {
+               printf("exec_burst: Failed to measure cycles per packet\n");
                return -1;
+       }
 
        printf("Result: %d cycles per packet\n", diff_tsc);
 
@@ -811,7 +816,8 @@ test_pmd_perf(void)
                        return -1;
        } else if (sc_flag == SC_BURST_POLL_FIRST ||
                   sc_flag == SC_BURST_XMIT_FIRST)
-               exec_burst(sc_flag, slave_id);
+               if (exec_burst(sc_flag, slave_id) < 0)
+                       return -1;
 
        /* port tear down */
        for (portid = 0; portid < nb_ports; portid++) {