libstatgrab/examples/process_snapshot.c

/*
 * i-scream central monitoring system
 * 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: process_snapshot.c,v 1.1 2004/04/03 16:55:38 tdb Exp $
 */

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

int main(){
        proc_state_t *ps;
        int ps_size;
        int x;
        char *state;

        /* Initialise statgrab */
        statgrab_init();

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

        ps_size = get_proc_snapshot(&ps);

        if(ps_size == NULL){
                fprintf(stderr, "Failed to get process snapshot\n");
                exit(1);
        }

        printf("%5s %5s %5s %5s %5s %5s %5s %6s %6s %9s %-10s %-4s %-8s %-20s %s\n",
                "pid", "ppid", "pgid", "uid", "euid", "gid", "egid", "size", "res", "time", "cpu", "nice", "state", "name", "title");

        for(x=0;x<ps_size;x++){
                switch (ps->state) {
                case RUNNING:
                        state = "RUNNING";
                        break;
                case SLEEPING:
                        state = "SLEEPING";
                        break;
                case STOPPED:
                        state = "STOPPED";
                        break;
                case ZOMBIE:
                        state = "ZOMBIE";
                        break;
                }
                printf("%5d %5d %5d %5d %5d %5d %5d %5dM %5dM %8ds %10f %4d %-8s %-20s %s\n",
                        (int)ps->pid, (int)ps->parent, (int)ps->pgid, (int)ps->uid,
                        (int)ps->euid, (int)ps->gid, (int)ps->egid,
                        (int)(ps->proc_size / (1024*1024)),
                        (int)(ps->proc_resident / (1024*1024)),
                        (int)ps->time_spent, (float)ps->cpu_percent,
                        (int)ps->nice, state,
                        ps->process_name, ps->proctitle);
                ps++;
        }
        return 0;
}
Revision:	1.2
Committed:	Sat Apr 3 21:02:10 2004 UTC (20 years, 7 months ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+6 -1 lines
Log Message:	Add test for failure to get stats.
#	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	tdb	1.2	* $Id: process_snapshot.c,v 1.1 2004/04/03 16:55:38 tdb Exp $
21	tdb	1.1	*/
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	tdb	1.2
45			if(ps_size == NULL){
46			fprintf(stderr, "Failed to get process snapshot\n");
47			exit(1);
48			}
49	tdb	1.1
50			printf("%5s %5s %5s %5s %5s %5s %5s %6s %6s %9s %-10s %-4s %-8s %-20s %s\n",
51			"pid", "ppid", "pgid", "uid", "euid", "gid", "egid", "size", "res", "time", "cpu", "nice", "state", "name", "title");
52
53			for(x=0;x<ps_size;x++){
54			switch (ps->state) {
55			case RUNNING:
56			state = "RUNNING";
57			break;
58			case SLEEPING:
59			state = "SLEEPING";
60			break;
61			case STOPPED:
62			state = "STOPPED";
63			break;
64			case ZOMBIE:
65			state = "ZOMBIE";
66			break;
67			}
68			printf("%5d %5d %5d %5d %5d %5d %5d %5dM %5dM %8ds %10f %4d %-8s %-20s %s\n",
69			(int)ps->pid, (int)ps->parent, (int)ps->pgid, (int)ps->uid,
70			(int)ps->euid, (int)ps->gid, (int)ps->egid,
71			(int)(ps->proc_size / (1024*1024)),
72			(int)(ps->proc_resident / (1024*1024)),
73			(int)ps->time_spent, (float)ps->cpu_percent,
74			(int)ps->nice, state,
75			ps->process_name, ps->proctitle);
76			ps++;
77			}
78			return 0;
79			}