app/crypto-perf: fix display once detection

[dpdk.git] / app / test-crypto-perf / cperf_test_throughput.c

diff --git a/app/test-crypto-perf/cperf_test_throughput.c b/app/test-crypto-perf/cperf_test_throughput.c
index 2767f4e..972d520 100644 (file)
--- a/app/test-crypto-perf/cperf_test_throughput.c
+++ b/app/test-crypto-perf/cperf_test_throughput.c
@@ -95,7 +95,7 @@ cperf_throughput_test_runner(void *test_ctx)
        uint8_t burst_size_idx = 0;
        uint32_t imix_idx = 0;
 
-       static int only_once;
+       static rte_atomic16_t display_once = RTE_ATOMIC16_INIT(0);
 
        struct rte_crypto_op *ops[ctx->options->max_burst_size];
        struct rte_crypto_op *ops_processed[ctx->options->max_burst_size];
@@ -262,13 +262,12 @@ cperf_throughput_test_runner(void *test_ctx)
                                ctx->options->total_ops);
 
                if (!ctx->options->csv) {
-                       if (!only_once)
+                       if (rte_atomic16_test_and_set(&display_once))
                                printf("%12s%12s%12s%12s%12s%12s%12s%12s%12s%12s\n\n",
                                        "lcore id", "Buf Size", "Burst Size",
                                        "Enqueued", "Dequeued", "Failed Enq",
                                        "Failed Deq", "MOps", "Gbps",
                                        "Cycles/Buf");
-                       only_once = 1;
 
                        printf("%12u%12u%12u%12"PRIu64"%12"PRIu64"%12"PRIu64
                                        "%12"PRIu64"%12.4f%12.4f%12.2f\n",
@@ -283,12 +282,11 @@ cperf_throughput_test_runner(void *test_ctx)
                                        throughput_gbps,
                                        cycles_per_packet);
                } else {
-                       if (!only_once)
+                       if (rte_atomic16_test_and_set(&display_once))
                                printf("#lcore id,Buffer Size(B),"
                                        "Burst Size,Enqueued,Dequeued,Failed Enq,"
                                        "Failed Deq,Ops(Millions),Throughput(Gbps),"
                                        "Cycles/Buf\n\n");
-                       only_once = 1;
 
                        printf("%u;%u;%u;%"PRIu64";%"PRIu64";%"PRIu64";%"PRIu64";"
                                        "%.3f;%.3f;%.3f\n",