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root/i-scream/projects/libstatgrab/examples/vm_stats.c
Revision: 1.12
Committed: Sat Nov 6 18:58:23 2004 UTC (19 years, 11 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, HEAD
Changes since 1.11: +2 -2 lines
Log Message:
Remove a couple of unused parameters.

File Contents

# 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: vm_stats.c,v 1.11 2004/04/07 21:47:50 tdb Exp $
21 */
22
23 #include <stdio.h>
24 #include <statgrab.h>
25 #include <stdlib.h>
26 #include <unistd.h>
27
28 int main(){
29
30 sg_mem_stats *mem_stats;
31 sg_swap_stats *swap_stats;
32
33 long long total, free;
34
35 /* Initialise statgrab */
36 sg_init();
37
38 /* Drop setuid/setgid privileges. */
39 if (sg_drop_privileges() != 0) {
40 perror("Error. Failed to drop privileges");
41 return 1;
42 }
43
44 if( ((mem_stats=sg_get_mem_stats()) != NULL) && (swap_stats=sg_get_swap_stats()) != NULL){
45 printf("Total memory in bytes : %lld\n", mem_stats->total);
46 printf("Used memory in bytes : %lld\n", mem_stats->used);
47 printf("Cache memory in bytes : %lld\n", mem_stats->cache);
48 printf("Free memory in bytes : %lld\n", mem_stats->free);
49
50 printf("Swap total in bytes : %lld\n", swap_stats->total);
51 printf("Swap used in bytes : %lld\n", swap_stats->used);
52 printf("Swap free in bytes : %lld\n", swap_stats->free);
53
54 total = mem_stats->total + swap_stats->total;
55 free = mem_stats->free + swap_stats->free;
56
57 printf("Total VM usage : %5.2f%%\n", 100 - (((float)total/(float)free)));
58
59 }
60 else {
61 printf("Unable to get VM stats: %s\n", sg_str_error(sg_get_error()));
62 exit(1);
63 }
64 exit(0);
65 }