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root/i-scream/projects/libstatgrab/examples/cpu_usage.c
Revision: 1.11
Committed: Sat Sep 24 13:29:22 2005 UTC (19 years, 2 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, HEAD
Changes since 1.10: +7 -1 lines
Error occurred while calculating annotation data.
Log Message:
Add WIN32 support via MINGW. We'll need to add stuff to the README file
about what this requires to build.

All the hard work done by: skel

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: cpu_usage.c,v 1.10 2004/04/06 14:52:56 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_cpu_percents *cpu_percent;
35
36 while ((c = getopt(argc, argv, "d:")) != -1){
37 switch (c){
38 case 'd':
39 delay = atoi(optarg);
40 break;
41 }
42 }
43 #ifdef WIN32
44 delay = delay * 1000;
45 #endif
46
47 /* Initialise statgrab */
48 sg_init();
49
50 /* Drop setuid/setgid privileges. */
51 if (sg_drop_privileges() != 0) {
52 perror("Error. Failed to drop privileges");
53 return 1;
54 }
55
56 /* Throw away the first reading as thats averaged over the machines uptime */
57 sg_snapshot();
58 cpu_percent = sg_get_cpu_percents();
59
60 /* Clear the screen ready for display the cpu usage */
61 printf("\033[2J");
62
63 while( (cpu_percent = sg_get_cpu_percents()) != NULL){
64 sg_snapshot();
65 printf("\033[2;2H%-12s : %6.2f", "User CPU", cpu_percent->user);
66 printf("\033[3;2H%-12s : %6.2f", "Kernel CPU", cpu_percent->kernel);
67 printf("\033[4;2H%-12s : %6.2f", "IOWait CPU", cpu_percent->iowait);
68 printf("\033[5;2H%-12s : %6.2f", "Swap CPU", cpu_percent->swap);
69 printf("\033[6;2H%-12s : %6.2f", "Nice CPU", cpu_percent->nice);
70 printf("\033[7;2H%-12s : %6.2f", "Idle CPU", cpu_percent->idle);
71 fflush(stdout);
72 sleep(delay);
73 }
74 sg_shutdown();
75
76 exit(0);
77 }