X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_timer.c;h=73da5b63617e23bc796a0caa53f90ad64db096c2;hb=972e365bfe7aab7d51d2b5e48230a7d145e68463;hp=4b4800b82fdfb87a5c56edde7535437104de61c2;hpb=7822c43aba8ce07208a94124a46579fe43c0b103;p=dpdk.git

diff --git a/app/test/test_timer.c b/app/test/test_timer.c
index 4b4800b82f..73da5b6361 100644
--- 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>
@@ -247,12 +246,15 @@ 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;
 		timers = rte_malloc(NULL, sizeof(*timers) * NB_STRESS2_TIMERS, 0);
 		if (timers == NULL) {
 			printf("Test Failed\n");
@@ -268,15 +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");
@@ -311,6 +323,13 @@ timer_stress2_main_loop(__attribute__((unused)) void *arg)
 	/* now check that we get the right number of callbacks */
 	if (lcore_id == rte_get_master_lcore()) {
 		rte_timer_manage();
+
+		/* clean up statics, in case we run again */
+		rte_free(timers);
+		timers = NULL;
+		ready = 0;
+		rte_atomic32_set(&collisions, 0);
+
 		if (cb_count != NB_STRESS2_TIMERS) {
 			printf("Test Failed\n");
 			printf("- Stress test 2, part 2 failed\n");