static int dummy_func(struct thread *thread)
{
- return 0;
+ return 0;
}
int main(int argc, char **argv)
{
- struct prng *prng;
- int i;
- struct thread **timers;
- struct timeval tv_start, tv_lap, tv_stop;
- unsigned long t_schedule, t_remove;
-
- master = thread_master_create(NULL);
- prng = prng_new(0);
- timers = calloc(SCHEDULE_TIMERS, sizeof(*timers));
-
- /* create thread structures so they won't be allocated during the
- * time measurement */
- for (i = 0; i < SCHEDULE_TIMERS; i++) {
- timers[i] = NULL;
- thread_add_timer_msec(master, dummy_func, NULL, 0, &timers[i]);
- }
- for (i = 0; i < SCHEDULE_TIMERS; i++)
- thread_cancel(timers[i]);
-
- monotime(&tv_start);
-
- for (i = 0; i < SCHEDULE_TIMERS; i++)
- {
- long interval_msec;
-
- interval_msec = prng_rand(prng) % (100 * SCHEDULE_TIMERS);
- timers[i] = NULL;
- thread_add_timer_msec(master, dummy_func, NULL, interval_msec,
- &timers[i]);
- }
-
- monotime(&tv_lap);
-
- for (i = 0; i < REMOVE_TIMERS; i++)
- {
- int index;
-
- index = prng_rand(prng) % SCHEDULE_TIMERS;
- if (timers[index])
- thread_cancel(timers[index]);
- timers[index] = NULL;
- }
-
- monotime(&tv_stop);
-
- t_schedule = 1000 * (tv_lap.tv_sec - tv_start.tv_sec);
- t_schedule += (tv_lap.tv_usec - tv_start.tv_usec) / 1000;
-
- t_remove = 1000 * (tv_stop.tv_sec - tv_lap.tv_sec);
- t_remove += (tv_stop.tv_usec - tv_lap.tv_usec) / 1000;
-
- printf("Scheduling %d random timers took %ld.%03ld seconds.\n",
- SCHEDULE_TIMERS, t_schedule/1000, t_schedule%1000);
- printf("Removing %d random timers took %ld.%03ld seconds.\n",
- REMOVE_TIMERS, t_remove/1000, t_remove%1000);
- fflush(stdout);
-
- free(timers);
- thread_master_free(master);
- prng_free(prng);
- return 0;
+ struct prng *prng;
+ int i;
+ struct thread **timers;
+ struct timeval tv_start, tv_lap, tv_stop;
+ unsigned long t_schedule, t_remove;
+
+ master = thread_master_create(NULL);
+ prng = prng_new(0);
+ timers = calloc(SCHEDULE_TIMERS, sizeof(*timers));
+
+ /* create thread structures so they won't be allocated during the
+ * time measurement */
+ for (i = 0; i < SCHEDULE_TIMERS; i++) {
+ timers[i] = NULL;
+ thread_add_timer_msec(master, dummy_func, NULL, 0, &timers[i]);
+ }
+ for (i = 0; i < SCHEDULE_TIMERS; i++)
+ thread_cancel(timers[i]);
+
+ monotime(&tv_start);
+
+ for (i = 0; i < SCHEDULE_TIMERS; i++) {
+ long interval_msec;
+
+ interval_msec = prng_rand(prng) % (100 * SCHEDULE_TIMERS);
+ timers[i] = NULL;
+ thread_add_timer_msec(master, dummy_func, NULL, interval_msec,
+ &timers[i]);
+ }
+
+ monotime(&tv_lap);
+
+ for (i = 0; i < REMOVE_TIMERS; i++) {
+ int index;
+
+ index = prng_rand(prng) % SCHEDULE_TIMERS;
+ if (timers[index])
+ thread_cancel(timers[index]);
+ timers[index] = NULL;
+ }
+
+ monotime(&tv_stop);
+
+ t_schedule = 1000 * (tv_lap.tv_sec - tv_start.tv_sec);
+ t_schedule += (tv_lap.tv_usec - tv_start.tv_usec) / 1000;
+
+ t_remove = 1000 * (tv_stop.tv_sec - tv_lap.tv_sec);
+ t_remove += (tv_stop.tv_usec - tv_lap.tv_usec) / 1000;
+
+ printf("Scheduling %d random timers took %ld.%03ld seconds.\n",
+ SCHEDULE_TIMERS, t_schedule / 1000, t_schedule % 1000);
+ printf("Removing %d random timers took %ld.%03ld seconds.\n",
+ REMOVE_TIMERS, t_remove / 1000, t_remove % 1000);
+ fflush(stdout);
+
+ free(timers);
+ thread_master_free(master);
+ prng_free(prng);
+ return 0;
}