dahdi-tools/dahdi_speed.c

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/*
* Written by Mark Spencer <markster@digium.com>
* Based on previous works, designs, and architectures conceived and
* written by Jim Dixon <jim@lambdatel.com>.
*
* Copyright (C) 2001 Jim Dixon / Zapata Telephony.
* Copyright (C) 2001-2008 Digium, Inc.
*
* All rights reserved.
*
* Primary Author: Mark Spencer <markster@digium.com>
* Radio Support by Jim Dixon <jim@lambdatel.com>
*/
/*
*
* Generic speed test -- Run an infinite loop and
* see how high we can count (in 5 seconds). You
* can use this to measure how much CPU DAHDI REALLY
* is taking.
*
* MUST BE COMPILED WITHOUT OPTIMIZATION
*
*/
/*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2 as published by the
* Free Software Foundation. See the LICENSE file included with
* this program for more details.
*/
#include <stdio.h>
#include <sys/signal.h>
#include <unistd.h>
#include <stdlib.h>
#include "dahdi_tools_version.h"
static long count=0;
static void alm(int sig)
{
printf("Count: %ld\n", count);
exit(0);
}
int main(int argc, char *argv[])
{
int a=0,b=0,c;
signal(SIGALRM, alm);
alarm(5);
for (;;) {
for (c=0;c<1000;c++)
a = a * b;
count++;
}
}