app/test: check cloning a clone

[dpdk.git] / app / test / test_timer.c

diff --git a/app/test/test_timer.c b/app/test/test_timer.c
index 070437a..73da5b6 100644 (file)
--- a/app/test/test_timer.c
+++ b/app/test/test_timer.c
@@ -129,7 +129,6 @@
 #include <rte_memzone.h>
 #include <rte_launch.h>
 #include <rte_cycles.h>
-#include <rte_tailq.h>
 #include <rte_eal.h>
 #include <rte_per_lcore.h>
 #include <rte_lcore.h>
@@ -247,10 +246,12 @@ static int
 timer_stress2_main_loop(__attribute__((unused)) void *arg)
 {
        static struct rte_timer *timers;
-       int i;
+       int i, ret;
        static volatile int ready = 0;
        uint64_t delay = rte_get_timer_hz() / 4;
        unsigned lcore_id = rte_lcore_id();
+       int32_t my_collisions = 0;
+       static rte_atomic32_t collisions = RTE_ATOMIC32_INIT(0);
 
        if (lcore_id == rte_get_master_lcore()) {
                cb_count = 0;
@@ -269,15 +270,25 @@ timer_stress2_main_loop(__attribute__((unused)) void *arg)
        }
 
        /* have all cores schedule all timers on master lcore */
-       for (i = 0; i < NB_STRESS2_TIMERS; i++)
-               rte_timer_reset(&timers[i], delay, SINGLE, rte_get_master_lcore(),
+       for (i = 0; i < NB_STRESS2_TIMERS; i++) {
+               ret = rte_timer_reset(&timers[i], delay, SINGLE, rte_get_master_lcore(),
                                timer_stress2_cb, NULL);
+               /* there will be collisions when multiple cores simultaneously
+                * configure the same timers */
+               if (ret != 0)
+                       my_collisions++;
+       }
+       if (my_collisions != 0)
+               rte_atomic32_add(&collisions, my_collisions);
 
        ready = 0;
        rte_delay_ms(500);
 
        /* now check that we get the right number of callbacks */
        if (lcore_id == rte_get_master_lcore()) {
+               my_collisions = rte_atomic32_read(&collisions);
+               if (my_collisions != 0)
+                       printf("- %d timer reset collisions (OK)\n", my_collisions);
                rte_timer_manage();
                if (cb_count != NB_STRESS2_TIMERS) {
                        printf("Test Failed\n");
@@ -317,6 +328,7 @@ timer_stress2_main_loop(__attribute__((unused)) void *arg)
                rte_free(timers);
                timers = NULL;
                ready = 0;
+               rte_atomic32_set(&collisions, 0);
 
                if (cb_count != NB_STRESS2_TIMERS) {
                        printf("Test Failed\n");