1 |
tdb |
1.17 |
/* |
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pajs |
1.1 |
* i-scream central monitoring system |
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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. |
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pajs |
1.1 |
* |
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tdb |
1.17 |
* This library is distributed in the hope that it will be useful, |
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pajs |
1.1 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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tdb |
1.17 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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pajs |
1.1 |
* |
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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 |
* |
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tdb |
1.22 |
* $Id: process_stats.c,v 1.21 2004/02/14 16:43:55 ats Exp $ |
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pajs |
1.1 |
*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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pajs |
1.6 |
#include "statgrab.h" |
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#if defined(SOLARIS) || defined(LINUX) |
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pajs |
1.1 |
#include <stdio.h> |
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#include <stdlib.h> |
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pajs |
1.5 |
#include <sys/types.h> |
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#include <dirent.h> |
34 |
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#include <string.h> |
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pajs |
1.6 |
#endif |
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pajs |
1.1 |
|
37 |
ats |
1.13 |
#include "tools.h" |
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pajs |
1.1 |
#ifdef SOLARIS |
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#include <procfs.h> |
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#include <limits.h> |
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pajs |
1.5 |
#define PROC_LOCATION "/proc" |
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#define MAX_FILE_LENGTH PATH_MAX |
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#endif |
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#ifdef LINUX |
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ats |
1.16 |
#include <limits.h> |
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pajs |
1.1 |
#define PROC_LOCATION "/proc" |
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#define MAX_FILE_LENGTH PATH_MAX |
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#endif |
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ats |
1.13 |
#ifdef ALLBSD |
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tdb |
1.19 |
#include <stdlib.h> |
51 |
pajs |
1.6 |
#include <sys/param.h> |
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#include <sys/sysctl.h> |
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tdb |
1.22 |
#if defined(FREEBSD) || defined(DFBSD) |
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#include <sys/user.h> |
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#else |
56 |
tdb |
1.19 |
#include <sys/proc.h> |
57 |
ats |
1.13 |
#endif |
58 |
pajs |
1.6 |
#endif |
59 |
pajs |
1.1 |
|
60 |
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process_stat_t *get_process_stats(){ |
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static process_stat_t process_stat; |
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pajs |
1.6 |
#if defined(SOLARIS) || defined(LINUX) |
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pajs |
1.1 |
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; |
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pajs |
1.6 |
#endif |
70 |
pajs |
1.5 |
#ifdef LINUX |
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char *line_ptr; |
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#endif |
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#ifdef SOLARIS |
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psinfo_t process_info; |
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#endif |
76 |
ats |
1.13 |
#ifdef ALLBSD |
77 |
tdb |
1.19 |
int mib[3]; |
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size_t size; |
79 |
pajs |
1.6 |
struct kinfo_proc *kp_stats; |
80 |
tdb |
1.19 |
int procs, i; |
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pajs |
1.6 |
#endif |
82 |
pajs |
1.1 |
|
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process_stat.sleeping=0; |
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process_stat.running=0; |
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process_stat.zombie=0; |
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process_stat.stopped=0; |
87 |
pajs |
1.5 |
process_stat.total=0; |
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pajs |
1.1 |
|
89 |
pajs |
1.7 |
#if defined(SOLARIS) || defined(LINUX) |
90 |
pajs |
1.1 |
if((proc_dir=opendir(PROC_LOCATION))==NULL){ |
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return NULL; |
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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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pajs |
1.5 |
|
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#ifdef SOLARIS |
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pajs |
1.1 |
snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/psinfo", dir_entry->d_name); |
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pajs |
1.5 |
#endif |
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#ifdef LINUX |
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snprintf(filename, MAX_FILE_LENGTH, "/proc/%s/status", dir_entry->d_name); |
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#endif |
103 |
pajs |
1.1 |
|
104 |
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if((f=fopen(filename, "r"))==NULL){ |
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/* Open failed.. Process since vanished, or the path was too long. |
106 |
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* Ah well, move onwards to the next one */ |
107 |
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continue; |
108 |
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} |
109 |
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110 |
pajs |
1.5 |
#ifdef SOLARIS |
111 |
pajs |
1.1 |
fread(&process_info, sizeof(psinfo_t), 1, f); |
112 |
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if(process_info.pr_lwp.pr_state==1) process_stat.sleeping++; |
113 |
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if(process_info.pr_lwp.pr_state==2) process_stat.running++; |
114 |
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if(process_info.pr_lwp.pr_state==3) process_stat.zombie++; |
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if(process_info.pr_lwp.pr_state==4) process_stat.stopped++; |
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if(process_info.pr_lwp.pr_state==6) process_stat.running++; |
117 |
pajs |
1.5 |
#endif |
118 |
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#ifdef LINUX |
119 |
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if((line_ptr=f_read_line(f, "State:"))==NULL){ |
120 |
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fclose(f); |
121 |
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continue; |
122 |
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} |
123 |
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if((line_ptr=strchr(line_ptr, '\t'))==NULL){ |
124 |
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fclose(f); |
125 |
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continue; |
126 |
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} |
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line_ptr++; |
128 |
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if(line_ptr=='\0'){ |
129 |
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fclose(f); |
130 |
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continue; |
131 |
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} |
132 |
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if(*line_ptr=='S') process_stat.sleeping++; |
134 |
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if(*line_ptr=='R') process_stat.running++; |
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if(*line_ptr=='Z') process_stat.zombie++; |
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if(*line_ptr=='T') process_stat.stopped++; |
137 |
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if(*line_ptr=='D') process_stat.stopped++; |
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#endif |
139 |
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140 |
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fclose(f); |
141 |
pajs |
1.1 |
} |
142 |
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closedir(proc_dir); |
143 |
pajs |
1.6 |
#endif |
144 |
ats |
1.13 |
#ifdef ALLBSD |
145 |
tdb |
1.19 |
mib[0] = CTL_KERN; |
146 |
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mib[1] = KERN_PROC; |
147 |
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mib[2] = KERN_PROC_ALL; |
148 |
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149 |
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if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
150 |
pajs |
1.6 |
return NULL; |
151 |
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} |
152 |
tdb |
1.19 |
|
153 |
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procs = size / sizeof(struct kinfo_proc); |
154 |
pajs |
1.6 |
|
155 |
tdb |
1.19 |
kp_stats = malloc(size); |
156 |
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if (kp_stats == NULL) { |
157 |
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return NULL; |
158 |
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} |
159 |
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160 |
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if (sysctl(mib, 3, kp_stats, &size, NULL, 0) < 0) { |
161 |
ats |
1.21 |
free(kp_stats); |
162 |
tdb |
1.19 |
return NULL; |
163 |
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} |
164 |
pajs |
1.1 |
|
165 |
tdb |
1.19 |
for (i = 0; i < procs; i++) { |
166 |
pajs |
1.9 |
#ifdef FREEBSD5 |
167 |
tdb |
1.19 |
switch (kp_stats[i].ki_stat) { |
168 |
pajs |
1.9 |
#else |
169 |
tdb |
1.19 |
switch (kp_stats[i].kp_proc.p_stat) { |
170 |
pajs |
1.9 |
#endif |
171 |
tdb |
1.20 |
case SIDL: |
172 |
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case SRUN: |
173 |
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#ifdef SONPROC |
174 |
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case SONPROC: /* NetBSD */ |
175 |
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#endif |
176 |
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process_stat.running++; |
177 |
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break; |
178 |
tdb |
1.19 |
case SSLEEP: |
179 |
tdb |
1.20 |
#ifdef SWAIT |
180 |
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case SWAIT: /* FreeBSD 5 */ |
181 |
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#endif |
182 |
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#ifdef SLOCK |
183 |
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case SLOCK: /* FreeBSD 5 */ |
184 |
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#endif |
185 |
tdb |
1.19 |
process_stat.sleeping++; |
186 |
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break; |
187 |
tdb |
1.20 |
case SSTOP: |
188 |
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process_stat.stopped++; |
189 |
tdb |
1.19 |
break; |
190 |
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case SZOMB: |
191 |
tdb |
1.20 |
#ifdef SDEAD |
192 |
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case SDEAD: /* OpenBSD & NetBSD */ |
193 |
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#endif |
194 |
tdb |
1.19 |
process_stat.zombie++; |
195 |
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break; |
196 |
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} |
197 |
pajs |
1.6 |
} |
198 |
ats |
1.21 |
|
199 |
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free(kp_stats); |
200 |
ats |
1.15 |
#endif |
201 |
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202 |
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#ifdef CYGWIN |
203 |
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return NULL; |
204 |
pajs |
1.6 |
#endif |
205 |
pajs |
1.4 |
|
206 |
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process_stat.total=process_stat.sleeping+process_stat.running+process_stat.zombie+process_stat.stopped; |
207 |
pajs |
1.10 |
|
208 |
pajs |
1.1 |
return &process_stat; |
209 |
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} |