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root/i-scream/projects/libstatgrab/examples/process_snapshot.c
Revision: 1.10
Committed: Thu Apr 8 13:16:04 2004 UTC (20 years, 7 months ago) by ats
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, LIBSTATGRAB_0_10_3, LIBSTATGRAB_0_10_2, LIBSTATGRAB_0_10_1, LIBSTATGRAB_0_10, HEAD
Changes since 1.9: +3 -1 lines
Log Message:
Nuke sg_process_sort, and make the process stats example demonstrate how
to sort using the compare functions and qsort.

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: process_snapshot.c,v 1.9 2004/04/07 15:50:25 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 sg_process_stats *ps;
30 int ps_size;
31 int x;
32 char *state = NULL;
33
34 /* Initialise statgrab */
35 sg_init();
36
37 /* Drop setuid/setgid privileges. */
38 if (sg_drop_privileges() != 0) {
39 perror("Error. Failed to drop privileges");
40 return 1;
41 }
42
43 ps = sg_get_process_stats(&ps_size);
44
45 if(ps == NULL){
46 fprintf(stderr, "Failed to get process snapshot\n");
47 exit(1);
48 }
49
50 qsort(ps, ps_size, sizeof *ps, sg_process_compare_pid);
51
52 printf("%5s %5s %5s %5s %5s %5s %5s %6s %6s %9s %-10s %-4s %-8s %-20s %s\n",
53 "pid", "ppid", "pgid", "uid", "euid", "gid", "egid", "size", "res", "time", "cpu", "nice", "state", "name", "title");
54
55 for(x=0;x<ps_size;x++){
56 switch (ps->state) {
57 case SG_PROCESS_STATE_RUNNING:
58 state = "RUNNING";
59 break;
60 case SG_PROCESS_STATE_SLEEPING:
61 state = "SLEEPING";
62 break;
63 case SG_PROCESS_STATE_STOPPED:
64 state = "STOPPED";
65 break;
66 case SG_PROCESS_STATE_ZOMBIE:
67 state = "ZOMBIE";
68 break;
69 case SG_PROCESS_STATE_UNKNOWN:
70 default:
71 state = "UNKNOWN";
72 break;
73 }
74 printf("%5d %5d %5d %5d %5d %5d %5d %5dM %5dM %8ds %10f %4d %-8s %-20s %s\n",
75 (int)ps->pid, (int)ps->parent, (int)ps->pgid, (int)ps->uid,
76 (int)ps->euid, (int)ps->gid, (int)ps->egid,
77 (int)(ps->proc_size / (1024*1024)),
78 (int)(ps->proc_resident / (1024*1024)),
79 (int)ps->time_spent, (float)ps->cpu_percent,
80 (int)ps->nice, state,
81 ps->process_name, ps->proctitle);
82 ps++;
83 }
84 return 0;
85 }