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root/i-scream/projects/libstatgrab/examples/process_snapshot.c
Revision: 1.1
Committed: Sat Apr 3 16:55:38 2004 UTC (20 years, 7 months ago) by tdb
Content type: text/plain
Branch: MAIN
Log Message:
Add process_snapshot example for testing the new process stats code.

File Contents

# User Rev Content
1 tdb 1.1 /*
2     * i-scream central monitoring system
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     * $Id$
21     */
22    
23     #include <stdio.h>
24     #include <statgrab.h>
25     #include <stdlib.h>
26     #include <unistd.h>
27    
28     int main(){
29     proc_state_t *ps;
30     int ps_size;
31     int x;
32     char *state;
33    
34     /* Initialise statgrab */
35     statgrab_init();
36    
37     /* Drop setuid/setgid privileges. */
38     if (statgrab_drop_privileges() != 0) {
39     perror("Error. Failed to drop privileges");
40     return 1;
41     }
42    
43     ps_size = get_proc_snapshot(&ps);
44    
45     printf("%5s %5s %5s %5s %5s %5s %5s %6s %6s %9s %-10s %-4s %-8s %-20s %s\n",
46     "pid", "ppid", "pgid", "uid", "euid", "gid", "egid", "size", "res", "time", "cpu", "nice", "state", "name", "title");
47    
48     for(x=0;x<ps_size;x++){
49     switch (ps->state) {
50     case RUNNING:
51     state = "RUNNING";
52     break;
53     case SLEEPING:
54     state = "SLEEPING";
55     break;
56     case STOPPED:
57     state = "STOPPED";
58     break;
59     case ZOMBIE:
60     state = "ZOMBIE";
61     break;
62     }
63     printf("%5d %5d %5d %5d %5d %5d %5d %5dM %5dM %8ds %10f %4d %-8s %-20s %s\n",
64     (int)ps->pid, (int)ps->parent, (int)ps->pgid, (int)ps->uid,
65     (int)ps->euid, (int)ps->gid, (int)ps->egid,
66     (int)(ps->proc_size / (1024*1024)),
67     (int)(ps->proc_resident / (1024*1024)),
68     (int)ps->time_spent, (float)ps->cpu_percent,
69     (int)ps->nice, state,
70     ps->process_name, ps->proctitle);
71     ps++;
72     }
73     return 0;
74     }