2 * Test program which measures the time it takes to schedule and
5 * Copyright (C) 2013 by Open Source Routing.
6 * Copyright (C) 2013 by Internet Systems Consortium, Inc. ("ISC")
8 * This file is part of Quagga
10 * Quagga is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2, or (at your option) any
15 * Quagga is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with Quagga; see the file COPYING. If not, write to the Free
22 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
35 #define SCHEDULE_TIMERS 1000000
36 #define REMOVE_TIMERS 500000
38 struct thread_master *master;
40 static int dummy_func(struct thread *thread)
45 int main(int argc, char **argv)
49 struct thread **timers;
50 struct timeval tv_start, tv_lap, tv_stop;
51 unsigned long t_schedule, t_remove;
53 master = thread_master_create();
55 timers = calloc(SCHEDULE_TIMERS, sizeof(*timers));
57 /* create thread structures so they won't be allocated during the
59 for (i = 0; i < SCHEDULE_TIMERS; i++)
60 timers[i] = thread_add_timer_msec(master, dummy_func, NULL, 0);
61 for (i = 0; i < SCHEDULE_TIMERS; i++)
62 thread_cancel(timers[i]);
64 quagga_gettime(QUAGGA_CLK_MONOTONIC, &tv_start);
66 for (i = 0; i < SCHEDULE_TIMERS; i++)
70 interval_msec = prng_rand(prng) % (100 * SCHEDULE_TIMERS);
71 timers[i] = thread_add_timer_msec(master, dummy_func,
75 quagga_gettime(QUAGGA_CLK_MONOTONIC, &tv_lap);
77 for (i = 0; i < REMOVE_TIMERS; i++)
81 index = prng_rand(prng) % SCHEDULE_TIMERS;
83 thread_cancel(timers[index]);
87 quagga_gettime(QUAGGA_CLK_MONOTONIC, &tv_stop);
89 t_schedule = 1000 * (tv_lap.tv_sec - tv_start.tv_sec);
90 t_schedule += (tv_lap.tv_usec - tv_start.tv_usec) / 1000;
92 t_remove = 1000 * (tv_stop.tv_sec - tv_lap.tv_sec);
93 t_remove += (tv_stop.tv_usec - tv_lap.tv_usec) / 1000;
95 printf("Scheduling %d random timers took %ld.%03ld seconds.\n",
96 SCHEDULE_TIMERS, t_schedule/1000, t_schedule%1000);
97 printf("Removing %d random timers took %ld.%03ld seconds.\n",
98 REMOVE_TIMERS, t_remove/1000, t_remove%1000);
102 thread_master_free(master);