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tdb |
1.17 |
/* |
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pajs |
1.1 |
* i-scream central monitoring system |
3 |
tdb |
1.8 |
* http://www.i-scream.org |
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tdb |
1.17 |
* Copyright (C) 2000-2004 i-scream |
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pajs |
1.1 |
* |
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tdb |
1.17 |
* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
10 |
pajs |
1.1 |
* |
11 |
tdb |
1.17 |
* This library is distributed in the hope that it will be useful, |
12 |
pajs |
1.1 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
tdb |
1.17 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
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* Lesser General Public License for more details. |
15 |
pajs |
1.1 |
* |
16 |
tdb |
1.17 |
* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
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tdb |
1.18 |
* |
21 |
pajs |
1.23 |
* $Id: process_stats.c,v 1.22 2004/02/16 14:55:32 tdb Exp $ |
22 |
pajs |
1.1 |
*/ |
23 |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
26 |
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#endif |
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28 |
pajs |
1.6 |
#include "statgrab.h" |
29 |
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#if defined(SOLARIS) || defined(LINUX) |
30 |
pajs |
1.1 |
#include <stdio.h> |
31 |
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#include <stdlib.h> |
32 |
pajs |
1.5 |
#include <sys/types.h> |
33 |
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#include <dirent.h> |
34 |
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#include <string.h> |
35 |
pajs |
1.6 |
#endif |
36 |
pajs |
1.1 |
|
37 |
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#ifdef SOLARIS |
38 |
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#include <procfs.h> |
39 |
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#include <limits.h> |
40 |
pajs |
1.5 |
#define PROC_LOCATION "/proc" |
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#define MAX_FILE_LENGTH PATH_MAX |
42 |
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#endif |
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#ifdef LINUX |
44 |
ats |
1.16 |
#include <limits.h> |
45 |
pajs |
1.1 |
#define PROC_LOCATION "/proc" |
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#define MAX_FILE_LENGTH PATH_MAX |
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#endif |
48 |
ats |
1.13 |
#ifdef ALLBSD |
49 |
tdb |
1.19 |
#include <stdlib.h> |
50 |
pajs |
1.6 |
#include <sys/param.h> |
51 |
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#include <sys/sysctl.h> |
52 |
tdb |
1.22 |
#if defined(FREEBSD) || defined(DFBSD) |
53 |
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#include <sys/user.h> |
54 |
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#else |
55 |
tdb |
1.19 |
#include <sys/proc.h> |
56 |
ats |
1.13 |
#endif |
57 |
pajs |
1.6 |
#endif |
58 |
pajs |
1.1 |
|
59 |
pajs |
1.23 |
int get_proc_snapshot(proc_state_t **ps){ |
60 |
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proc_state_t *proc_state = NULL; |
61 |
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proc_state_t *proc_state_ptr; |
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int proc_state_size = 0; |
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#if defined(SOLARIS) |
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DIR *proc_dir; |
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struct dirent *dir_entry; |
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char filename[MAX_FILE_LENGTH]; |
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FILE *f; |
68 |
pajs |
1.5 |
psinfo_t process_info; |
69 |
pajs |
1.1 |
|
70 |
pajs |
1.23 |
if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
71 |
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return NULL; |
72 |
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} |
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while((dir_entry=readdir(proc_dir))!=NULL){ |
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if(atoi(dir_entry->d_name) == 0) continue; |
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snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name); |
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if((f=fopen(filename, "r"))==NULL){ |
80 |
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/* Open failed.. Process since vanished, or the path was too long. |
81 |
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* Ah well, move onwards to the next one */ |
82 |
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continue; |
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} |
84 |
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fread(&process_info, sizeof(psinfo_t), 1, f); |
85 |
pajs |
1.1 |
|
86 |
pajs |
1.23 |
proc_state = realloc(proc_state, (1+proc_state_size)*sizeof(proc_state_t)); |
87 |
pajs |
1.5 |
|
88 |
pajs |
1.23 |
proc_state_ptr = proc_state+proc_state_size; |
89 |
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90 |
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proc_state_ptr->pid = process_info.pr_pid; |
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proc_state_ptr->parent = process_info.pr_ppid; |
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proc_state_ptr->pgid = process_info.pr_pgid; |
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proc_state_ptr->uid = process_info.pr_uid; |
94 |
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proc_state_ptr->euid = process_info.pr_euid; |
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proc_state_ptr->gid = process_info.pr_gid; |
96 |
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proc_state_ptr->egid = process_info.pr_egid; |
97 |
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proc_state_ptr->proc_size = (process_info.pr_size) * 1024; |
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proc_state_ptr->proc_resident = (process_info.pr_rssize) * 1024; |
99 |
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proc_state_ptr->time_spent = process_info.pr_time.tv_sec; |
100 |
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proc_state_ptr->cpu_percent = (process_info.pr_pctcpu * 100.0) / 0x8000; |
101 |
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proc_state_ptr->process_name = strdup(process_info.pr_fname); |
102 |
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proc_state_ptr->proctitle = strdup(process_info.pr_psargs); |
103 |
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104 |
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proc_state_size++; |
105 |
pajs |
1.5 |
#endif |
106 |
pajs |
1.1 |
|
107 |
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108 |
pajs |
1.23 |
fclose(f); |
109 |
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} |
110 |
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closedir(proc_dir); |
111 |
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*ps = proc_state; |
112 |
ats |
1.21 |
|
113 |
pajs |
1.23 |
return proc_state_size; |
114 |
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} |
115 |
ats |
1.15 |
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