void wtp_initiator_shutdown(void) { gw_assert(initiator_run_status == running); initiator_run_status = terminating; gwlist_remove_producer(queue); gwthread_join_every(main_thread); debug("wap.wtp", 0, "wtp_initiator_shutdown: %ld init_machines left", gwlist_len(init_machines)); gwlist_destroy(init_machines, init_machine_destroy); gwlist_destroy(queue, wap_event_destroy_item); counter_destroy(init_machine_id_counter); timers_shutdown(); }
int main(int argc, char **argv) { (void)argc; (void)argv; tor_libevent_cfg cfg; memset(&cfg, 0, sizeof(cfg)); tor_libevent_initialize(&cfg); timers_initialize(); int i; int ret; struct timeval now; tor_gettimeofday(&now); monotime_get(&started_at); for (i = 0; i < N_TIMERS; ++i) { struct timeval delay; delay.tv_sec = crypto_rand_int_range(0,MAX_DURATION); delay.tv_usec = crypto_rand_int_range(0,1000000); delay_usec[i] = delay.tv_sec * 1000000 + delay.tv_usec; timeradd(&now, &delay, &fire_at[i]); timers[i] = timer_new(timer_cb, &timers[i]); timer_schedule(timers[i], &delay); ++n_active_timers; } /* Disable some; we'll make sure they don't trigger. */ for (i = 0; i < N_DISABLE; ++i) { int idx = crypto_rand_int_range(0, N_TIMERS); if (is_disabled[idx]) continue; is_disabled[idx] = 1; timer_disable(timers[idx]); --n_active_timers; } tor_libevent_run_event_loop(tor_libevent_get_base(), 0); int64_t total_difference = 0; uint64_t total_square_difference = 0; tor_assert(n_fired == n_active_timers); for (i = 0; i < N_TIMERS; ++i) { if (is_disabled[i]) { tor_assert(fired[i] == 0); continue; } tor_assert(fired[i] == 1); //int64_t diff = difference[i].tv_usec + difference[i].tv_sec * 1000000; int64_t diff = diffs_mono_usec[i]; total_difference += diff; total_square_difference += diff*diff; } const int64_t mean_diff = total_difference / n_active_timers; printf("mean difference: "I64_FORMAT" usec\n", I64_PRINTF_ARG(mean_diff)); const double mean_sq = ((double)total_square_difference)/ n_active_timers; const double sq_mean = mean_diff * mean_diff; const double stddev = sqrt(mean_sq - sq_mean); printf("standard deviation: %lf usec\n", stddev); #define MAX_DIFF_USEC (500*1000) #define MAX_STDDEV_USEC (500*1000) #define ODD_DIFF_USEC (2000) #define ODD_STDDEV_USEC (2000) if (mean_diff < 0 || mean_diff > MAX_DIFF_USEC || stddev > MAX_STDDEV_USEC) { printf("Either your system is under ridiculous load, or the " "timer backend is broken.\n"); ret = 1; } else if (mean_diff > ODD_DIFF_USEC || stddev > ODD_STDDEV_USEC) { printf("Either your system is a bit slow or the " "timer backend is odd.\n"); ret = 0; } else { printf("Looks good enough.\n"); ret = 0; } timer_free_(NULL); for (i = 0; i < N_TIMERS; ++i) { timer_free(timers[i]); } timers_shutdown(); return ret; }