[dpdk-dev] [PATCH v2 05/12] app/acl: few small improvements

[Konstantin Ananyev]

- enhance output to print extra stats
- use rte_rdtsc_precise() for cycle measurements
Signed-off-by: Konstantin Ananyev <konstantin.anan...@intel.com>
---
 app/test-acl/main.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/app/test-acl/main.c b/app/test-acl/main.c
index 0a5dfb621..d9b65517c 100644
--- a/app/test-acl/main.c
+++ b/app/test-acl/main.c
@@ -862,9 +862,10 @@ search_ip5tuples(__rte_unused void *arg)
 {
        uint64_t pkt, start, tm;
        uint32_t i, lcore;
+       long double st;
 
        lcore = rte_lcore_id();
-       start = rte_rdtsc();
+       start = rte_rdtsc_precise();
        pkt = 0;
 
        for (i = 0; i != config.iter_num; i++) {
@@ -872,12 +873,16 @@ search_ip5tuples(__rte_unused void *arg)
                        config.trace_step, config.alg.name);
        }
 
-       tm = rte_rdtsc() - start;
+       tm = rte_rdtsc_precise() - start;
+
+       st = (long double)tm / rte_get_timer_hz();
        dump_verbose(DUMP_NONE, stdout,
                "%s  @lcore %u: %" PRIu32 " iterations, %" PRIu64 " pkts, %"
-               PRIu32 " categories, %" PRIu64 " cycles, %#Lf cycles/pkt\n",
-               __func__, lcore, i, pkt, config.run_categories,
-               tm, (pkt == 0) ? 0 : (long double)tm / pkt);
+               PRIu32 " categories, %" PRIu64 " cycles (%.2Lf sec), "
+               "%.2Lf cycles/pkt, %.2Lf pkt/sec\n",
+               __func__, lcore, i, pkt,
+               config.run_categories, tm, st,
+               (pkt == 0) ? 0 : (long double)tm / pkt, pkt / st);
 
        return 0;
 }
-- 
2.17.1