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root/i-scream/projects/libstatgrab/examples/cpu_usage.c
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Comparing projects/libstatgrab/examples/cpu_usage.c (file contents):
Revision 1.1 by pajs, Thu Jun 5 14:45:39 2003 UTC vs.
Revision 1.11 by tdb, Sat Sep 24 13:29:22 2005 UTC

# Line 1 | Line 1
1   /*
2 < * i-scream central monitoring system
3 < * http://www.i-scream.org.uk
4 < * Copyright (C) 2000-2002 i-scream
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
# Line 16 | Line 16
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 + * $Id$
21   */
22  
23   #include <stdio.h>
# Line 24 | Line 26
26   #include <unistd.h>
27  
28   int main(int argc, char **argv){
29 <        
29 >
30          extern char *optarg;
31 <        extern int optind;
30 <        int c;
31 >        int c;
32  
33          int delay = 1;
34 <        cpu_percent_t *cpu_percent;
34 >        sg_cpu_percents *cpu_percent;
35  
36 <        /* Throw away the first reading as thats averaged over the machines uptime */
37 <        cpu_percent = cpu_percent_usage();
38 <
39 <        while ((c = getopt(argc, argv, "d:")) != EOF){
40 <                switch (c){
40 <                        case 'd':
41 <                                delay = atoi(optarg);
42 <                                break;
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 <         /* Clear the screen ready for display the cpu usage */
48 <        printf("\033[2J");
47 >        /* Initialise statgrab */
48 >        sg_init();
49  
50 <        while( (cpu_percent = cpu_percent_usage()) != NULL){
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);
# Line 56 | Line 71 | int main(int argc, char **argv){
71                  fflush(stdout);
72                  sleep(delay);
73          }
74 +        sg_shutdown();
75  
76          exit(0);
77   }
62
63
64

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