1 |
pajs |
1.1 |
/* |
2 |
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* i-scream central monitoring system |
3 |
tdb |
1.18 |
* http://www.i-scream.org |
4 |
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* Copyright (C) 2000-2003 i-scream |
5 |
pajs |
1.1 |
* |
6 |
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* This program is free software; you can redistribute it and/or |
7 |
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* modify it under the terms of the GNU General Public License |
8 |
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* as published by the Free Software Foundation; either version 2 |
9 |
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* of the License, or (at your option) any later version. |
10 |
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* |
11 |
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* This program is distributed in the hope that it will be useful, |
12 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
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* GNU General Public License for more details. |
15 |
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* |
16 |
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* You should have received a copy of the GNU General Public License |
17 |
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* along with this program; if not, write to the Free Software |
18 |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
19 |
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*/ |
20 |
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21 |
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#ifdef HAVE_CONFIG_H |
22 |
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#include "config.h" |
23 |
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#endif |
24 |
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|
25 |
pajs |
1.17 |
#include <stdio.h> |
26 |
pajs |
1.1 |
#include <stdlib.h> |
27 |
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#include <string.h> |
28 |
tdb |
1.7 |
#include "statgrab.h" |
29 |
pajs |
1.1 |
|
30 |
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#ifdef SOLARIS |
31 |
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#include <sys/mnttab.h> |
32 |
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#include <sys/statvfs.h> |
33 |
pajs |
1.4 |
#include <kstat.h> |
34 |
pajs |
1.1 |
#define VALID_FS_TYPES {"ufs", "tmpfs"} |
35 |
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#endif |
36 |
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|
37 |
pajs |
1.9 |
#ifdef LINUX |
38 |
ats |
1.30 |
#include <time.h> |
39 |
pajs |
1.9 |
#include <sys/vfs.h> |
40 |
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#include <mntent.h> |
41 |
pajs |
1.10 |
#include "tools.h" |
42 |
ats |
1.32 |
#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \ |
43 |
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"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
44 |
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"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
45 |
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"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
46 |
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"umsdos", "vfat", "xfs", "jfs"} |
47 |
pajs |
1.9 |
#endif |
48 |
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|
49 |
ats |
1.31 |
#ifdef ALLBSD |
50 |
pajs |
1.16 |
#include <sys/param.h> |
51 |
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#include <sys/ucred.h> |
52 |
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#include <sys/mount.h> |
53 |
ats |
1.31 |
#endif |
54 |
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#ifdef FREEBSD |
55 |
pajs |
1.17 |
#include <sys/dkstat.h> |
56 |
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#include <devstat.h> |
57 |
ats |
1.36 |
#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
58 |
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"ufs", "mfs"} |
59 |
pajs |
1.16 |
#endif |
60 |
ats |
1.34 |
#ifdef NETBSD |
61 |
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#include <sys/param.h> |
62 |
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#include <sys/sysctl.h> |
63 |
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#include <sys/disk.h> |
64 |
ats |
1.35 |
#define VALID_FS_TYPES {"ffs", "mfs", "msdos", "lfs", "adosfs", "ext2fs", \ |
65 |
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"ntfs"} |
66 |
ats |
1.34 |
#endif |
67 |
ats |
1.31 |
|
68 |
pajs |
1.1 |
#define START_VAL 1 |
69 |
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|
70 |
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char *copy_string(char *orig_ptr, const char *newtext){ |
71 |
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|
72 |
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/* Maybe free if not NULL, and strdup rather than realloc and strcpy? */ |
73 |
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orig_ptr=realloc(orig_ptr, (1+strlen(newtext))); |
74 |
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if(orig_ptr==NULL){ |
75 |
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return NULL; |
76 |
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} |
77 |
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strcpy(orig_ptr, newtext); |
78 |
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79 |
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return orig_ptr; |
80 |
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} |
81 |
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82 |
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83 |
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void init_disk_stat(int start, int end, disk_stat_t *disk_stats){ |
84 |
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85 |
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for(disk_stats+=start; start<=end; start++){ |
86 |
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disk_stats->device_name=NULL; |
87 |
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disk_stats->fs_type=NULL; |
88 |
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disk_stats->mnt_point=NULL; |
89 |
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90 |
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disk_stats++; |
91 |
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} |
92 |
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} |
93 |
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94 |
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disk_stat_t *get_disk_stats(int *entries){ |
95 |
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96 |
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static disk_stat_t *disk_stats; |
97 |
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static int watermark=-1; |
98 |
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99 |
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char *fs_types[] = VALID_FS_TYPES; |
100 |
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int x, valid_type; |
101 |
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int num_disks=0; |
102 |
pajs |
1.16 |
#if defined(LINUX) || defined (SOLARIS) |
103 |
pajs |
1.1 |
FILE *f; |
104 |
pajs |
1.16 |
#endif |
105 |
pajs |
1.1 |
|
106 |
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disk_stat_t *disk_ptr; |
107 |
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108 |
pajs |
1.9 |
#ifdef SOLARIS |
109 |
tdb |
1.13 |
struct mnttab mp; |
110 |
pajs |
1.9 |
struct statvfs fs; |
111 |
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#endif |
112 |
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#ifdef LINUX |
113 |
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struct mntent *mp; |
114 |
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struct statfs fs; |
115 |
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#endif |
116 |
ats |
1.31 |
#ifdef ALLBSD |
117 |
pajs |
1.16 |
int nummnt; |
118 |
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struct statfs *mp; |
119 |
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#endif |
120 |
pajs |
1.9 |
|
121 |
pajs |
1.1 |
if(watermark==-1){ |
122 |
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disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
123 |
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if(disk_stats==NULL){ |
124 |
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return NULL; |
125 |
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} |
126 |
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watermark=START_VAL; |
127 |
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init_disk_stat(0, watermark-1, disk_stats); |
128 |
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} |
129 |
ats |
1.31 |
#ifdef ALLBSD |
130 |
pajs |
1.16 |
nummnt=getmntinfo(&mp , MNT_LOCAL); |
131 |
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if (nummnt<=0){ |
132 |
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return NULL; |
133 |
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} |
134 |
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for(;nummnt--; mp++){ |
135 |
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valid_type=0; |
136 |
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for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
137 |
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if(strcmp(mp->f_fstypename, fs_types[x]) ==0){ |
138 |
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valid_type=1; |
139 |
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break; |
140 |
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} |
141 |
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} |
142 |
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#endif |
143 |
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144 |
pajs |
1.9 |
#ifdef LINUX |
145 |
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if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
146 |
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return NULL; |
147 |
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} |
148 |
pajs |
1.1 |
|
149 |
pajs |
1.9 |
while((mp=getmntent(f))){ |
150 |
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if((statfs(mp->mnt_dir, &fs)) !=0){ |
151 |
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continue; |
152 |
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} |
153 |
pajs |
1.1 |
|
154 |
pajs |
1.9 |
valid_type=0; |
155 |
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for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
156 |
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if(strcmp(mp->mnt_type, fs_types[x]) ==0){ |
157 |
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valid_type=1; |
158 |
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break; |
159 |
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} |
160 |
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} |
161 |
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#endif |
162 |
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163 |
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#ifdef SOLARIS |
164 |
pajs |
1.1 |
if ((f=fopen("/etc/mnttab", "r" ))==NULL){ |
165 |
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return NULL; |
166 |
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} |
167 |
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while((getmntent(f, &mp)) == 0){ |
168 |
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if ((statvfs(mp.mnt_mountp, &fs)) !=0){ |
169 |
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continue; |
170 |
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} |
171 |
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valid_type=0; |
172 |
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for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
173 |
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if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){ |
174 |
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valid_type=1; |
175 |
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break; |
176 |
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} |
177 |
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} |
178 |
pajs |
1.9 |
#endif |
179 |
pajs |
1.1 |
|
180 |
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if(valid_type){ |
181 |
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if(num_disks>watermark-1){ |
182 |
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disk_ptr=disk_stats; |
183 |
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if((disk_stats=realloc(disk_stats, (watermark*2 * sizeof(disk_stat_t))))==NULL){ |
184 |
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disk_stats=disk_ptr; |
185 |
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return NULL; |
186 |
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} |
187 |
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188 |
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watermark=watermark*2; |
189 |
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init_disk_stat(num_disks, watermark-1, disk_stats); |
190 |
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} |
191 |
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192 |
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disk_ptr=disk_stats+num_disks; |
193 |
ats |
1.31 |
#ifdef ALLBSD |
194 |
pajs |
1.16 |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->f_mntfromname))==NULL){ |
195 |
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return NULL; |
196 |
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} |
197 |
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198 |
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if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->f_fstypename))==NULL){ |
199 |
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return NULL; |
200 |
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} |
201 |
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|
202 |
|
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if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->f_mntonname))==NULL){ |
203 |
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return NULL; |
204 |
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} |
205 |
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|
206 |
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disk_ptr->size = (long long)mp->f_bsize * (long long) mp->f_blocks; |
207 |
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disk_ptr->avail = (long long)mp->f_bsize * (long long) mp->f_bavail; |
208 |
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disk_ptr->used = (disk_ptr->size) - ((long long)mp->f_bsize * (long long)mp->f_bfree); |
209 |
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|
210 |
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disk_ptr->total_inodes=(long long)mp->f_files; |
211 |
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disk_ptr->free_inodes=(long long)mp->f_ffree; |
212 |
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/* Freebsd doesn't have a "available" inodes */ |
213 |
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disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
214 |
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#endif |
215 |
pajs |
1.9 |
#ifdef LINUX |
216 |
|
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if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->mnt_fsname))==NULL){ |
217 |
|
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return NULL; |
218 |
|
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} |
219 |
|
|
|
220 |
|
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if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->mnt_type))==NULL){ |
221 |
|
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return NULL; |
222 |
|
|
} |
223 |
|
|
|
224 |
|
|
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->mnt_dir))==NULL){ |
225 |
|
|
return NULL; |
226 |
|
|
} |
227 |
|
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disk_ptr->size = (long long)fs.f_bsize * (long long)fs.f_blocks; |
228 |
|
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disk_ptr->avail = (long long)fs.f_bsize * (long long)fs.f_bavail; |
229 |
|
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disk_ptr->used = (disk_ptr->size) - ((long long)fs.f_bsize * (long long)fs.f_bfree); |
230 |
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|
231 |
|
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disk_ptr->total_inodes=(long long)fs.f_files; |
232 |
|
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disk_ptr->free_inodes=(long long)fs.f_ffree; |
233 |
|
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/* Linux doesn't have a "available" inodes */ |
234 |
|
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disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
235 |
|
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#endif |
236 |
|
|
|
237 |
|
|
#ifdef SOLARIS |
238 |
pajs |
1.1 |
/* Memory leak in event of realloc failing */ |
239 |
|
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/* Maybe make this char[bigenough] and do strncpy's and put a null in the end? |
240 |
pajs |
1.9 |
* Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE would prob |
241 |
|
|
* be upwards of a k each |
242 |
|
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*/ |
243 |
pajs |
1.1 |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp.mnt_special))==NULL){ |
244 |
|
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return NULL; |
245 |
|
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} |
246 |
|
|
|
247 |
|
|
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp.mnt_fstype))==NULL){ |
248 |
|
|
return NULL; |
249 |
|
|
} |
250 |
|
|
|
251 |
|
|
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp.mnt_mountp))==NULL){ |
252 |
|
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return NULL; |
253 |
|
|
} |
254 |
|
|
|
255 |
|
|
disk_ptr->size = (long long)fs.f_frsize * (long long)fs.f_blocks; |
256 |
|
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disk_ptr->avail = (long long)fs.f_frsize * (long long)fs.f_bavail; |
257 |
|
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disk_ptr->used = (disk_ptr->size) - ((long long)fs.f_frsize * (long long)fs.f_bfree); |
258 |
|
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|
259 |
|
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disk_ptr->total_inodes=(long long)fs.f_files; |
260 |
|
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disk_ptr->used_inodes=disk_ptr->total_inodes - (long long)fs.f_ffree; |
261 |
|
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disk_ptr->free_inodes=(long long)fs.f_favail; |
262 |
pajs |
1.9 |
#endif |
263 |
pajs |
1.1 |
num_disks++; |
264 |
|
|
} |
265 |
|
|
} |
266 |
|
|
|
267 |
|
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*entries=num_disks; |
268 |
|
|
|
269 |
|
|
/* If this fails, there is very little i can do about it, so i'll ignore it :) */ |
270 |
pajs |
1.16 |
#if defined(LINUX) || defined(SOLARIS) |
271 |
pajs |
1.1 |
fclose(f); |
272 |
pajs |
1.16 |
#endif |
273 |
pajs |
1.1 |
|
274 |
|
|
return disk_stats; |
275 |
|
|
|
276 |
|
|
} |
277 |
pajs |
1.4 |
void diskio_stat_init(int start, int end, diskio_stat_t *diskio_stats){ |
278 |
|
|
|
279 |
|
|
for(diskio_stats+=start; start<end; start++){ |
280 |
|
|
diskio_stats->disk_name=NULL; |
281 |
|
|
|
282 |
|
|
diskio_stats++; |
283 |
|
|
} |
284 |
|
|
} |
285 |
|
|
|
286 |
|
|
diskio_stat_t *diskio_stat_malloc(int needed_entries, int *cur_entries, diskio_stat_t *diskio_stats){ |
287 |
|
|
|
288 |
|
|
if(diskio_stats==NULL){ |
289 |
|
|
|
290 |
|
|
if((diskio_stats=malloc(needed_entries * sizeof(diskio_stat_t)))==NULL){ |
291 |
|
|
return NULL; |
292 |
|
|
} |
293 |
|
|
diskio_stat_init(0, needed_entries, diskio_stats); |
294 |
|
|
*cur_entries=needed_entries; |
295 |
|
|
|
296 |
|
|
return diskio_stats; |
297 |
|
|
} |
298 |
|
|
|
299 |
|
|
|
300 |
|
|
if(*cur_entries<needed_entries){ |
301 |
|
|
diskio_stats=realloc(diskio_stats, (sizeof(diskio_stat_t)*needed_entries)); |
302 |
|
|
if(diskio_stats==NULL){ |
303 |
|
|
return NULL; |
304 |
|
|
} |
305 |
|
|
diskio_stat_init(*cur_entries, needed_entries, diskio_stats); |
306 |
|
|
*cur_entries=needed_entries; |
307 |
|
|
} |
308 |
|
|
|
309 |
|
|
return diskio_stats; |
310 |
|
|
} |
311 |
|
|
|
312 |
|
|
static diskio_stat_t *diskio_stats=NULL; |
313 |
pajs |
1.5 |
static int num_diskio=0; |
314 |
pajs |
1.4 |
|
315 |
ats |
1.20 |
#ifdef LINUX |
316 |
|
|
typedef struct { |
317 |
|
|
int major; |
318 |
|
|
int minor; |
319 |
|
|
} partition; |
320 |
|
|
#endif |
321 |
|
|
|
322 |
tdb |
1.3 |
diskio_stat_t *get_diskio_stats(int *entries){ |
323 |
pajs |
1.2 |
|
324 |
pajs |
1.4 |
static int sizeof_diskio_stats=0; |
325 |
ats |
1.38 |
#ifndef LINUX |
326 |
pajs |
1.4 |
diskio_stat_t *diskio_stats_ptr; |
327 |
ats |
1.38 |
#endif |
328 |
pajs |
1.4 |
|
329 |
pajs |
1.10 |
#ifdef SOLARIS |
330 |
pajs |
1.4 |
kstat_ctl_t *kc; |
331 |
|
|
kstat_t *ksp; |
332 |
|
|
kstat_io_t kios; |
333 |
pajs |
1.10 |
#endif |
334 |
|
|
#ifdef LINUX |
335 |
|
|
FILE *f; |
336 |
|
|
char *line_ptr; |
337 |
|
|
int major, minor; |
338 |
ats |
1.20 |
int has_pp_stats = 1; |
339 |
|
|
static partition *parts = NULL; |
340 |
|
|
static int alloc_parts = 0; |
341 |
|
|
int i, n; |
342 |
|
|
time_t now; |
343 |
ats |
1.38 |
const char *format; |
344 |
pajs |
1.10 |
#endif |
345 |
pajs |
1.17 |
#ifdef FREEBSD |
346 |
ats |
1.21 |
static struct statinfo stats; |
347 |
|
|
static int stats_init = 0; |
348 |
pajs |
1.17 |
int counter; |
349 |
|
|
struct device_selection *dev_sel = NULL; |
350 |
|
|
int n_selected, n_selections; |
351 |
|
|
long sel_gen; |
352 |
|
|
struct devstat *dev_ptr; |
353 |
ats |
1.31 |
#endif |
354 |
|
|
#ifdef NETBSD |
355 |
ats |
1.34 |
struct disk_sysctl *stats; |
356 |
|
|
int num_disks, i; |
357 |
|
|
int mib[3]; |
358 |
|
|
size_t size; |
359 |
pajs |
1.17 |
#endif |
360 |
ats |
1.34 |
|
361 |
pajs |
1.10 |
num_diskio=0; |
362 |
ats |
1.34 |
|
363 |
|
|
#ifdef NETBSD |
364 |
|
|
mib[0] = CTL_HW; |
365 |
|
|
mib[1] = HW_DISKSTATS; |
366 |
|
|
mib[2] = sizeof(struct disk_sysctl); |
367 |
|
|
|
368 |
|
|
if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
369 |
|
|
return NULL; |
370 |
|
|
} |
371 |
|
|
num_disks = size / sizeof(struct disk_sysctl); |
372 |
|
|
|
373 |
|
|
stats = malloc(size); |
374 |
|
|
if (stats == NULL) { |
375 |
|
|
return NULL; |
376 |
|
|
} |
377 |
|
|
|
378 |
|
|
if (sysctl(mib, 3, stats, &size, NULL, 0) < 0) { |
379 |
|
|
return NULL; |
380 |
|
|
} |
381 |
|
|
|
382 |
|
|
for (i = 0; i < num_disks; i++) { |
383 |
|
|
u_int64_t rbytes, wbytes; |
384 |
|
|
|
385 |
|
|
#ifdef HAVE_DK_RBYTES |
386 |
|
|
rbytes = stats[i].dk_rbytes; |
387 |
|
|
wbytes = stats[i].dk_wbytes; |
388 |
|
|
#else |
389 |
ats |
1.37 |
/* Before 1.7, NetBSD merged reads and writes. */ |
390 |
ats |
1.34 |
rbytes = wbytes = stats[i].dk_bytes; |
391 |
|
|
#endif |
392 |
|
|
|
393 |
|
|
/* Don't keep stats for disks that have never been used. */ |
394 |
|
|
if (rbytes == 0 && wbytes == 0) { |
395 |
|
|
continue; |
396 |
|
|
} |
397 |
|
|
|
398 |
|
|
diskio_stats = diskio_stat_malloc(num_diskio + 1, |
399 |
|
|
&sizeof_diskio_stats, |
400 |
|
|
diskio_stats); |
401 |
|
|
if (diskio_stats == NULL) { |
402 |
|
|
return NULL; |
403 |
|
|
} |
404 |
|
|
diskio_stats_ptr = diskio_stats + num_diskio; |
405 |
|
|
|
406 |
|
|
diskio_stats_ptr->read_bytes = rbytes; |
407 |
|
|
diskio_stats_ptr->write_bytes = wbytes; |
408 |
|
|
if (diskio_stats_ptr->disk_name != NULL) { |
409 |
|
|
free(diskio_stats_ptr->disk_name); |
410 |
|
|
} |
411 |
|
|
diskio_stats_ptr->disk_name = strdup(stats[i].dk_name); |
412 |
|
|
diskio_stats_ptr->systime = time(NULL); |
413 |
|
|
|
414 |
|
|
num_diskio++; |
415 |
|
|
} |
416 |
|
|
|
417 |
|
|
free(stats); |
418 |
|
|
#endif |
419 |
pajs |
1.4 |
|
420 |
pajs |
1.17 |
#ifdef FREEBSD |
421 |
ats |
1.21 |
if (!stats_init) { |
422 |
|
|
stats.dinfo=malloc(sizeof(struct devinfo)); |
423 |
ats |
1.33 |
if(stats.dinfo==NULL) return NULL; |
424 |
tdb |
1.25 |
bzero(stats.dinfo, sizeof(struct devinfo)); |
425 |
ats |
1.21 |
stats_init = 1; |
426 |
|
|
} |
427 |
pajs |
1.28 |
#ifdef FREEBSD5 |
428 |
|
|
if ((devstat_getdevs(NULL, &stats)) < 0) return NULL; |
429 |
ats |
1.29 |
/* Not aware of a get all devices, so i said 999. If we ever |
430 |
|
|
* find a machine with more than 999 disks, then i'll change |
431 |
|
|
* this number :) |
432 |
|
|
*/ |
433 |
pajs |
1.28 |
if (devstat_selectdevs(&dev_sel, &n_selected, &n_selections, &sel_gen, stats.dinfo->generation, stats.dinfo->devices, stats.dinfo->numdevs, NULL, 0, NULL, 0, DS_SELECT_ONLY, 999, 1) < 0) return NULL; |
434 |
|
|
#else |
435 |
pajs |
1.17 |
if ((getdevs(&stats)) < 0) return NULL; |
436 |
|
|
/* Not aware of a get all devices, so i said 999. If we ever |
437 |
|
|
* find a machine with more than 999 disks, then i'll change |
438 |
|
|
* this number :) |
439 |
|
|
*/ |
440 |
|
|
if (selectdevs(&dev_sel, &n_selected, &n_selections, &sel_gen, stats.dinfo->generation, stats.dinfo->devices, stats.dinfo->numdevs, NULL, 0, NULL, 0, DS_SELECT_ONLY, 999, 1) < 0) return NULL; |
441 |
pajs |
1.27 |
#endif |
442 |
pajs |
1.17 |
|
443 |
|
|
for(counter=0;counter<stats.dinfo->numdevs;counter++){ |
444 |
|
|
dev_ptr=&stats.dinfo->devices[dev_sel[counter].position]; |
445 |
|
|
|
446 |
|
|
/* Throw away devices that have done nothing, ever.. Eg "odd" |
447 |
|
|
* devices.. like mem, proc.. and also doesn't report floppy |
448 |
|
|
* drives etc unless they are doing stuff :) |
449 |
|
|
*/ |
450 |
pajs |
1.27 |
#ifdef FREEBSD5 |
451 |
|
|
if((dev_ptr->bytes[DEVSTAT_READ]==0) && (dev_ptr->bytes[DEVSTAT_WRITE]==0)) continue; |
452 |
|
|
#else |
453 |
pajs |
1.17 |
if((dev_ptr->bytes_read==0) && (dev_ptr->bytes_written==0)) continue; |
454 |
pajs |
1.27 |
#endif |
455 |
pajs |
1.17 |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
456 |
|
|
return NULL; |
457 |
|
|
} |
458 |
|
|
diskio_stats_ptr=diskio_stats+num_diskio; |
459 |
pajs |
1.27 |
|
460 |
|
|
#ifdef FREEBSD5 |
461 |
|
|
diskio_stats_ptr->read_bytes=dev_ptr->bytes[DEVSTAT_READ]; |
462 |
|
|
diskio_stats_ptr->write_bytes=dev_ptr->bytes[DEVSTAT_WRITE]; |
463 |
|
|
#else |
464 |
pajs |
1.17 |
diskio_stats_ptr->read_bytes=dev_ptr->bytes_read; |
465 |
|
|
diskio_stats_ptr->write_bytes=dev_ptr->bytes_written; |
466 |
pajs |
1.27 |
#endif |
467 |
pajs |
1.17 |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
468 |
|
|
asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number); |
469 |
|
|
diskio_stats_ptr->systime=time(NULL); |
470 |
|
|
|
471 |
|
|
num_diskio++; |
472 |
|
|
} |
473 |
|
|
free(dev_sel); |
474 |
|
|
|
475 |
|
|
#endif |
476 |
pajs |
1.10 |
#ifdef SOLARIS |
477 |
pajs |
1.4 |
if ((kc = kstat_open()) == NULL) { |
478 |
|
|
return NULL; |
479 |
|
|
} |
480 |
|
|
|
481 |
|
|
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
482 |
|
|
if (!strcmp(ksp->ks_class, "disk")) { |
483 |
|
|
|
484 |
|
|
if(ksp->ks_type != KSTAT_TYPE_IO) continue; |
485 |
pajs |
1.5 |
/* We dont want metadevices appearins as num_diskio */ |
486 |
pajs |
1.4 |
if(strcmp(ksp->ks_module, "md")==0) continue; |
487 |
|
|
if((kstat_read(kc, ksp, &kios))==-1){ |
488 |
|
|
} |
489 |
|
|
|
490 |
pajs |
1.5 |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
491 |
pajs |
1.4 |
kstat_close(kc); |
492 |
|
|
return NULL; |
493 |
|
|
} |
494 |
pajs |
1.5 |
diskio_stats_ptr=diskio_stats+num_diskio; |
495 |
pajs |
1.4 |
|
496 |
|
|
diskio_stats_ptr->read_bytes=kios.nread; |
497 |
|
|
|
498 |
|
|
diskio_stats_ptr->write_bytes=kios.nwritten; |
499 |
|
|
|
500 |
|
|
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
501 |
|
|
|
502 |
tdb |
1.26 |
diskio_stats_ptr->disk_name=strdup(ksp->ks_name); |
503 |
pajs |
1.14 |
diskio_stats_ptr->systime=time(NULL); |
504 |
pajs |
1.5 |
num_diskio++; |
505 |
pajs |
1.4 |
} |
506 |
|
|
} |
507 |
|
|
|
508 |
|
|
kstat_close(kc); |
509 |
pajs |
1.10 |
#endif |
510 |
pajs |
1.4 |
|
511 |
pajs |
1.10 |
#ifdef LINUX |
512 |
ats |
1.20 |
num_diskio = 0; |
513 |
|
|
n = 0; |
514 |
pajs |
1.10 |
|
515 |
ats |
1.20 |
/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels |
516 |
ats |
1.38 |
have statistics in here too, so we can use those directly. |
517 |
|
|
2.6 kernels have /proc/diskstats instead with almost (but not quite) |
518 |
|
|
the same format. */ |
519 |
|
|
|
520 |
|
|
f = fopen("/proc/diskstats", "r"); |
521 |
|
|
format = " %d %d %19s %*d %*d %lld %*d %*d %*d %lld"; |
522 |
|
|
if (f == NULL) { |
523 |
|
|
f = fopen("/proc/partitions", "r"); |
524 |
|
|
format = " %d %d %*d %19s %*d %*d %lld %*d %*d %*d %lld"; |
525 |
|
|
} |
526 |
ats |
1.20 |
if (f == NULL) goto out; |
527 |
|
|
now = time(NULL); |
528 |
|
|
|
529 |
|
|
while ((line_ptr = f_read_line(f, "")) != NULL) { |
530 |
|
|
char name[20]; |
531 |
|
|
char *s; |
532 |
|
|
long long rsect, wsect; |
533 |
|
|
|
534 |
ats |
1.38 |
int nr = sscanf(line_ptr, format, |
535 |
ats |
1.20 |
&major, &minor, name, &rsect, &wsect); |
536 |
|
|
if (nr < 3) continue; |
537 |
|
|
|
538 |
|
|
/* Skip device names ending in numbers, since they're |
539 |
|
|
partitions. */ |
540 |
|
|
s = name; |
541 |
|
|
while (*s != '\0') s++; |
542 |
|
|
--s; |
543 |
|
|
if (*s >= '0' && *s <= '9') continue; |
544 |
ats |
1.38 |
|
545 |
|
|
if (nr < 5) { |
546 |
|
|
has_pp_stats = 0; |
547 |
|
|
rsect = 0; |
548 |
|
|
wsect = 0; |
549 |
|
|
} |
550 |
ats |
1.20 |
|
551 |
|
|
diskio_stats = diskio_stat_malloc(n + 1, &sizeof_diskio_stats, |
552 |
|
|
diskio_stats); |
553 |
|
|
if (diskio_stats == NULL) goto out; |
554 |
|
|
if (n >= alloc_parts) { |
555 |
|
|
alloc_parts += 16; |
556 |
|
|
parts = realloc(parts, alloc_parts * sizeof *parts); |
557 |
|
|
if (parts == NULL) { |
558 |
|
|
alloc_parts = 0; |
559 |
|
|
goto out; |
560 |
|
|
} |
561 |
pajs |
1.11 |
} |
562 |
pajs |
1.12 |
|
563 |
ats |
1.20 |
if (diskio_stats[n].disk_name != NULL) |
564 |
|
|
free(diskio_stats[n].disk_name); |
565 |
|
|
diskio_stats[n].disk_name = strdup(name); |
566 |
|
|
diskio_stats[n].read_bytes = rsect * 512; |
567 |
|
|
diskio_stats[n].write_bytes = wsect * 512; |
568 |
|
|
diskio_stats[n].systime = now; |
569 |
|
|
parts[n].major = major; |
570 |
|
|
parts[n].minor = minor; |
571 |
pajs |
1.10 |
|
572 |
ats |
1.20 |
n++; |
573 |
|
|
} |
574 |
pajs |
1.10 |
|
575 |
ats |
1.20 |
if (!has_pp_stats) { |
576 |
|
|
/* This is an older kernel without stats in /proc/partitions. |
577 |
|
|
Read what we can from /proc/stat instead. */ |
578 |
|
|
|
579 |
|
|
f = fopen("/proc/stat", "r"); |
580 |
|
|
if (f == NULL) goto out; |
581 |
|
|
now = time(NULL); |
582 |
|
|
|
583 |
|
|
line_ptr = f_read_line(f, "disk_io:"); |
584 |
|
|
if (line_ptr == NULL) goto out; |
585 |
|
|
|
586 |
|
|
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
587 |
|
|
long long rsect, wsect; |
588 |
|
|
|
589 |
|
|
if (*++line_ptr == '\0') break; |
590 |
|
|
|
591 |
|
|
if((sscanf(line_ptr, |
592 |
|
|
"(%d,%d):(%*d, %*d, %lld, %*d, %lld)", |
593 |
|
|
&major, &minor, &rsect, &wsect)) != 4) { |
594 |
|
|
continue; |
595 |
|
|
} |
596 |
pajs |
1.10 |
|
597 |
ats |
1.20 |
/* Find the corresponding device from earlier. |
598 |
|
|
Just to add to the fun, "minor" is actually the disk |
599 |
|
|
number, not the device minor, so we need to figure |
600 |
|
|
out the real minor number based on the major! |
601 |
|
|
This list is not exhaustive; if you're running |
602 |
|
|
an older kernel you probably don't have fancy |
603 |
|
|
I2O hardware anyway... */ |
604 |
|
|
switch (major) { |
605 |
|
|
case 3: |
606 |
|
|
case 21: |
607 |
pajs |
1.10 |
case 22: |
608 |
ats |
1.20 |
case 33: |
609 |
|
|
case 34: |
610 |
|
|
case 36: |
611 |
|
|
case 56: |
612 |
|
|
case 57: |
613 |
|
|
case 88: |
614 |
|
|
case 89: |
615 |
|
|
case 90: |
616 |
|
|
case 91: |
617 |
|
|
minor *= 64; |
618 |
pajs |
1.11 |
break; |
619 |
ats |
1.20 |
case 9: |
620 |
|
|
case 43: |
621 |
pajs |
1.11 |
break; |
622 |
pajs |
1.10 |
default: |
623 |
ats |
1.20 |
minor *= 16; |
624 |
pajs |
1.11 |
break; |
625 |
ats |
1.20 |
} |
626 |
|
|
for (i = 0; i < n; i++) { |
627 |
|
|
if (major == parts[i].major |
628 |
|
|
&& minor == parts[i].minor) |
629 |
|
|
break; |
630 |
|
|
} |
631 |
|
|
if (i == n) continue; |
632 |
|
|
|
633 |
|
|
/* We read the number of blocks. Blocks are stored in |
634 |
|
|
512 bytes */ |
635 |
|
|
diskio_stats[i].read_bytes = rsect * 512; |
636 |
|
|
diskio_stats[i].write_bytes = wsect * 512; |
637 |
|
|
diskio_stats[i].systime = now; |
638 |
pajs |
1.10 |
} |
639 |
|
|
} |
640 |
pajs |
1.16 |
|
641 |
ats |
1.20 |
num_diskio = n; |
642 |
|
|
out: |
643 |
|
|
if (f != NULL) fclose(f); |
644 |
pajs |
1.10 |
|
645 |
|
|
#endif |
646 |
pajs |
1.5 |
*entries=num_diskio; |
647 |
pajs |
1.4 |
|
648 |
|
|
return diskio_stats; |
649 |
pajs |
1.5 |
} |
650 |
|
|
|
651 |
pajs |
1.6 |
diskio_stat_t *get_diskio_stats_diff(int *entries){ |
652 |
pajs |
1.5 |
static diskio_stat_t *diskio_stats_diff=NULL; |
653 |
|
|
static int sizeof_diskio_stats_diff=0; |
654 |
|
|
diskio_stat_t *diskio_stats_diff_ptr, *diskio_stats_ptr; |
655 |
|
|
int disks, x, y; |
656 |
|
|
|
657 |
|
|
if(diskio_stats==NULL){ |
658 |
|
|
diskio_stats_ptr=get_diskio_stats(&disks); |
659 |
|
|
*entries=disks; |
660 |
|
|
return diskio_stats_ptr; |
661 |
|
|
} |
662 |
|
|
|
663 |
|
|
diskio_stats_diff=diskio_stat_malloc(num_diskio, &sizeof_diskio_stats_diff, diskio_stats_diff); |
664 |
|
|
if(diskio_stats_diff==NULL){ |
665 |
|
|
return NULL; |
666 |
|
|
} |
667 |
|
|
|
668 |
|
|
diskio_stats_diff_ptr=diskio_stats_diff; |
669 |
|
|
diskio_stats_ptr=diskio_stats; |
670 |
|
|
|
671 |
|
|
for(disks=0;disks<num_diskio;disks++){ |
672 |
|
|
if(diskio_stats_diff_ptr->disk_name!=NULL){ |
673 |
|
|
free(diskio_stats_diff_ptr->disk_name); |
674 |
|
|
} |
675 |
|
|
diskio_stats_diff_ptr->disk_name=strdup(diskio_stats_ptr->disk_name); |
676 |
|
|
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes; |
677 |
|
|
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes; |
678 |
|
|
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime; |
679 |
|
|
|
680 |
|
|
diskio_stats_diff_ptr++; |
681 |
|
|
diskio_stats_ptr++; |
682 |
|
|
} |
683 |
|
|
|
684 |
|
|
diskio_stats_ptr=get_diskio_stats(&disks); |
685 |
|
|
diskio_stats_diff_ptr=diskio_stats_diff; |
686 |
|
|
|
687 |
|
|
for(x=0;x<sizeof_diskio_stats_diff;x++){ |
688 |
|
|
|
689 |
|
|
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
690 |
|
|
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
691 |
|
|
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
692 |
|
|
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
693 |
|
|
}else{ |
694 |
|
|
diskio_stats_ptr=diskio_stats; |
695 |
|
|
for(y=0;y<disks;y++){ |
696 |
|
|
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
697 |
|
|
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
698 |
|
|
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
699 |
|
|
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
700 |
|
|
|
701 |
|
|
break; |
702 |
|
|
} |
703 |
|
|
|
704 |
|
|
diskio_stats_ptr++; |
705 |
|
|
} |
706 |
|
|
} |
707 |
|
|
|
708 |
|
|
diskio_stats_ptr++; |
709 |
|
|
diskio_stats_diff_ptr++; |
710 |
|
|
|
711 |
|
|
} |
712 |
pajs |
1.8 |
|
713 |
|
|
*entries=sizeof_diskio_stats_diff; |
714 |
pajs |
1.5 |
return diskio_stats_diff; |
715 |
pajs |
1.2 |
} |