[PATCH v2] test: fix mempool perf test enq_count wraparound of 32-bit uint

[David Hunt <david.hunt@intel.com>]

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

v2: change from %lu to %"PRIu64"

Signed-off-by: David Hunt <david.hunt@intel.com>
---
 app/test/test_mempool_perf.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/test/test_mempool_perf.c b/app/test/test_mempool_perf.c
index cdc02a0..0fc8110 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;
 }
-- 
2.5.5