From: David Hunt <david.hunt@intel.com>
Date: Thu, 26 May 2016 14:15:54 +0000 (+0100)
Subject: app/test: fix wraparound of mempool performance rate
X-Git-Tag: spdx-start~6764
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=3a4c1dc58bc7beb67e9ca8c186b6278fb0bc5f04;p=dpdk.git

app/test: fix wraparound of mempool performance rate

Recent CPU's can easily wrap around a 32-bit unsigned int in
the mempool perf test. Increase to a 64-bit uint.

Signed-off-by: David Hunt <david.hunt@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---

diff --git a/app/test/test_mempool_perf.c b/app/test/test_mempool_perf.c
index cdc02a007c..c5e357631b 100644
--- a/app/test/test_mempool_perf.c
+++ b/app/test/test_mempool_perf.c
@@ -110,7 +110,7 @@ static unsigned n_keep;
 
 /* number of enqueues / dequeues */
 struct mempool_test_stats {
-	unsigned enq_count;
+	uint64_t enq_count;
 } __rte_cache_aligned;
 
 static struct mempool_test_stats stats[RTE_MAX_LCORE];
@@ -189,7 +189,7 @@ static int
 launch_cores(unsigned cores)
 {
 	unsigned lcore_id;
-	unsigned rate;
+	uint64_t rate;
 	int ret;
 	unsigned cores_save = cores;
 
@@ -238,7 +238,7 @@ launch_cores(unsigned cores)
 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++)
 		rate += (stats[lcore_id].enq_count / TIME_S);
 
-	printf("rate_persec=%u\n", rate);
+	printf("rate_persec=%" PRIu64 "\n", rate);
 
 	return 0;
 }