[PATCH v3 04/14] test/stack: scale test based on number of cores

[Stephen Hemminger]

This test uses loops to synchronize but has problems on systems
with high number of cores. Scale iterations to the number of
cores.

Fixes: 5e2e61b99e91 ("test/stack: check stack API")
Cc: sta...@dpdk.org

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 app/test/test_stack.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/app/test/test_stack.c b/app/test/test_stack.c
index abc3114729..797c0a83ea 100644
--- a/app/test/test_stack.c
+++ b/app/test/test_stack.c
@@ -268,7 +268,8 @@ test_free_null(void)
        return 0;
 }
 
-#define NUM_ITERS_PER_THREAD 100000
+#define NUM_ITERS_BASE  100000u
+#define NUM_ITERS_MIN   1000u
 
 struct test_args {
        struct rte_stack *s;
@@ -280,9 +281,10 @@ static int
 stack_thread_push_pop(__rte_unused void *args)
 {
        void *obj_table[MAX_BULK];
-       int i;
+       unsigned int i, num_iters;
 
-       for (i = 0; i < NUM_ITERS_PER_THREAD; i++) {
+       num_iters = test_scale_iterations(NUM_ITERS_BASE, NUM_ITERS_MIN);
+       for (i = 0; i < num_iters; i++) {
                unsigned int num;
 
                num = rte_rand() % MAX_BULK;
-- 
2.51.0