/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include "test.h"
+
/*
* Timer
* =====
#include <sys/queue.h>
#include <math.h>
-#include <cmdline_parse.h>
-
#include <rte_common.h>
#include <rte_log.h>
#include <rte_memory.h>
#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>
#include <rte_random.h>
#include <rte_malloc.h>
-#include "test.h"
#define TEST_DURATION_S 20 /* in seconds */
#define NB_TIMER 4
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");
}
/* 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");
/* 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");
return 0;
}
-int
+static int
test_timer(void)
{
unsigned i;
rte_timer_stop_sync(&mytiminfo[i].tim);
}
- rte_timer_dump_stats();
+ rte_timer_dump_stats(stdout);
return 0;
}
+
+static struct test_command timer_cmd = {
+ .command = "timer_autotest",
+ .callback = test_timer,
+};
+REGISTER_TEST_COMMAND(timer_cmd);