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From: Konstantin Ananyev <konstantin.ananyev@intel.com>
To: dev@dpdk.org
Cc: jerinj@marvell.com, ruifeng.wang@arm.com, vladimir.medvedkin@intel.com,
Konstantin Ananyev <konstantin.ananyev@intel.com>
Date: Mon, 5 Oct 2020 19:45:17 +0100
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<20201005184526.7465-1-konstantin.ananyev@intel.com>
Subject: [dpdk-dev] [PATCH v3 05/14] app/acl: few small improvements
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- enhance output to print extra stats
- use rte_rdtsc_precise() for cycle measurements
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@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 0a5dfb621d..d9b65517cb 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