libstatgrab/examples/page_stats.c

/*
 * i-scream libstatgrab
 * http://www.i-scream.org
 * Copyright (C) 2000-2004 i-scream
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id: page_stats.c,v 1.8 2004/04/05 16:23:08 tdb Exp $
 */

#include <stdio.h>
#include <statgrab.h>
#include <stdlib.h>
#include <unistd.h>

int main(int argc, char **argv){

        extern char *optarg;
        int c;

        int delay = 1;
        sg_page_stats *page_stats;

        while ((c = getopt(argc, argv, "d:")) != -1){
                switch (c){
                        case 'd':
                                delay = atoi(optarg);
                                break;
                }
        }

        /* Initialise statgrab */
        sg_init();

        /* Drop setuid/setgid privileges. */
        if (sg_drop_privileges() != 0) {
                perror("Error. Failed to drop privileges");
                return 1;
        }

        while( (page_stats = sg_get_page_stats_diff()) != NULL){
                printf("Pages in : %lld\n", page_stats->pages_pagein);
                printf("Pages out : %lld\n", page_stats->pages_pageout);
                sleep(delay);
        }

        exit(0);
}
Revision:	1.9
Committed:	Tue Apr 6 14:52:56 2004 UTC (20 years, 7 months ago) by tdb
Content type:	text/plain
Branch:	MAIN
CVS Tags:	LIBSTATGRAB_0_17, LIBSTATGRAB_0_16, LIBSTATGRAB_0_15, LIBSTATGRAB_0_14, LIBSTATGRAB_0_13, LIBSTATGRAB_0_12, LIBSTATGRAB_0_11_1, LIBSTATGRAB_0_11, LIBSTATGRAB_0_10_3, LIBSTATGRAB_0_10_2, LIBSTATGRAB_0_10_1, LIBSTATGRAB_0_10, HEAD
Changes since 1.8:	+2 -2 lines
Log Message:	Update name of project at the top of all soure files. These files now exist in their own right, rather than as part of the "CMS".
#	Content
1	/*
2	* i-scream libstatgrab
3	* http://www.i-scream.org
4	* Copyright (C) 2000-2004 i-scream
5	*
6	* This program is free software; you can redistribute it and/or
7	* modify it under the terms of the GNU General Public License
8	* as published by the Free Software Foundation; either version 2
9	* of the License, or (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19	*
20	* $Id: page_stats.c,v 1.8 2004/04/05 16:23:08 tdb Exp $
21	*/
22
23	#include <stdio.h>
24	#include <statgrab.h>
25	#include <stdlib.h>
26	#include <unistd.h>
27
28	int main(int argc, char **argv){
29
30	extern char *optarg;
31	int c;
32
33	int delay = 1;
34	sg_page_stats *page_stats;
35
36	while ((c = getopt(argc, argv, "d:")) != -1){
37	switch (c){
38	case 'd':
39	delay = atoi(optarg);
40	break;
41	}
42	}
43
44	/* Initialise statgrab */
45	sg_init();
46
47	/* Drop setuid/setgid privileges. */
48	if (sg_drop_privileges() != 0) {
49	perror("Error. Failed to drop privileges");
50	return 1;
51	}
52
53	while( (page_stats = sg_get_page_stats_diff()) != NULL){
54	printf("Pages in : %lld\n", page_stats->pages_pagein);
55	printf("Pages out : %lld\n", page_stats->pages_pageout);
56	sleep(delay);
57	}
58
59	exit(0);
60	}