1 |
< |
/* |
1 |
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/* |
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* i-scream central monitoring system |
3 |
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* http://www.i-scream.org.uk |
4 |
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* Copyright (C) 2000-2002 i-scream |
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* http://www.i-scream.org |
4 |
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* Copyright (C) 2000-2004 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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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 |
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* of the License, or (at your option) any later version. |
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* This library is free software; you can redistribute it and/or |
7 |
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* modify it under the terms of the GNU Lesser General Public |
8 |
> |
* 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 |
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* |
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* This program is distributed in the hope that it will be useful, |
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* This library is distributed in the hope that it will be useful, |
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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. |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 |
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* Lesser 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. |
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* You should have received a copy of the GNU Lesser General Public |
17 |
> |
* License along with this library; if not, write to the Free Software |
18 |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
20 |
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* |
21 |
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* $Id$ |
22 |
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*/ |
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|
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#ifdef HAVE_CONFIG_H |
25 |
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#include "config.h" |
26 |
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#endif |
27 |
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|
25 |
– |
#include "statgrab.h" |
26 |
– |
#include <stdlib.h> |
28 |
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#include <stdio.h> |
29 |
< |
#include "ukcprog.h" |
29 |
> |
#include <stdlib.h> |
30 |
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#include <string.h> |
31 |
+ |
#include <time.h> |
32 |
+ |
#include "statgrab.h" |
33 |
+ |
#include "vector.h" |
34 |
+ |
#include "tools.h" |
35 |
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|
36 |
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#ifdef SOLARIS |
37 |
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#include <sys/mnttab.h> |
33 |
– |
#include <sys/types.h> |
38 |
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#include <sys/statvfs.h> |
39 |
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#include <kstat.h> |
36 |
– |
|
40 |
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#define VALID_FS_TYPES {"ufs", "tmpfs"} |
41 |
+ |
#endif |
42 |
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|
43 |
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#if defined(LINUX) || defined(CYGWIN) |
44 |
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#include <mntent.h> |
45 |
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#include <sys/vfs.h> |
46 |
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#endif |
47 |
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|
48 |
< |
#define START_VAL 1 |
48 |
> |
#ifdef LINUX |
49 |
> |
#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \ |
50 |
> |
"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
51 |
> |
"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
52 |
> |
"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
53 |
> |
"umsdos", "vfat", "xfs", "jfs"} |
54 |
> |
#endif |
55 |
|
|
56 |
< |
char *copy_string(char *orig_ptr, const char *newtext){ |
56 |
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#ifdef CYGWIN |
57 |
> |
#define VALID_FS_TYPES {"user"} |
58 |
> |
#endif |
59 |
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|
60 |
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/* Maybe free if not NULL, and strdup rather than realloc and strcpy? */ |
61 |
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orig_ptr=realloc(orig_ptr, (1+strlen(newtext))); |
62 |
< |
if(orig_ptr==NULL){ |
63 |
< |
return NULL; |
64 |
< |
} |
65 |
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strcpy(orig_ptr, newtext); |
60 |
> |
#ifdef ALLBSD |
61 |
> |
#include <sys/param.h> |
62 |
> |
#include <sys/ucred.h> |
63 |
> |
#include <sys/mount.h> |
64 |
> |
#endif |
65 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
66 |
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#include <sys/dkstat.h> |
67 |
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#include <devstat.h> |
68 |
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#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
69 |
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"ufs", "mfs"} |
70 |
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#endif |
71 |
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#if defined(NETBSD) || defined(OPENBSD) |
72 |
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#include <sys/param.h> |
73 |
> |
#include <sys/sysctl.h> |
74 |
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#include <sys/disk.h> |
75 |
> |
#define VALID_FS_TYPES {"ffs", "mfs", "msdos", "lfs", "adosfs", "ext2fs", \ |
76 |
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"ntfs"} |
77 |
> |
#endif |
78 |
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|
79 |
< |
return orig_ptr; |
79 |
> |
static void disk_stat_init(sg_fs_stats *d) { |
80 |
> |
d->device_name = NULL; |
81 |
> |
d->fs_type = NULL; |
82 |
> |
d->mnt_point = NULL; |
83 |
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} |
84 |
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|
85 |
+ |
static void disk_stat_destroy(sg_fs_stats *d) { |
86 |
+ |
free(d->device_name); |
87 |
+ |
free(d->fs_type); |
88 |
+ |
free(d->mnt_point); |
89 |
+ |
} |
90 |
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|
91 |
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void init_disk_stat(int start, int end, disk_stat_t *disk_stats){ |
91 |
> |
static int is_valid_fs_type(const char *type) { |
92 |
> |
const char *types[] = VALID_FS_TYPES; |
93 |
> |
int i; |
94 |
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|
95 |
< |
for(disk_stats+=start; start<=end; start++){ |
96 |
< |
disk_stats->device_name=NULL; |
97 |
< |
disk_stats->fs_type=NULL; |
98 |
< |
disk_stats->mnt_point=NULL; |
62 |
< |
|
63 |
< |
disk_stats++; |
95 |
> |
for (i = 0; i < (sizeof types / sizeof *types); i++) { |
96 |
> |
if (strcmp(types[i], type) == 0) { |
97 |
> |
return 1; |
98 |
> |
} |
99 |
|
} |
100 |
+ |
return 0; |
101 |
|
} |
102 |
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|
103 |
< |
disk_stat_t *get_disk_stats(int *entries){ |
103 |
> |
sg_fs_stats *sg_get_fs_stats(int *entries){ |
104 |
> |
VECTOR_DECLARE_STATIC(disk_stats, sg_fs_stats, 10, |
105 |
> |
disk_stat_init, disk_stat_destroy); |
106 |
|
|
107 |
< |
static disk_stat_t *disk_stats; |
108 |
< |
static int watermark=-1; |
107 |
> |
int valid_type; |
108 |
> |
int num_disks=0; |
109 |
> |
#if defined(LINUX) || defined (SOLARIS) || defined(CYGWIN) |
110 |
> |
FILE *f; |
111 |
> |
#endif |
112 |
|
|
113 |
< |
char *fs_types[] = VALID_FS_TYPES; |
73 |
< |
int x, valid_type; |
113 |
> |
sg_fs_stats *disk_ptr; |
114 |
|
|
115 |
< |
int num_disks=0; |
115 |
> |
#ifdef SOLARIS |
116 |
|
struct mnttab mp; |
117 |
|
struct statvfs fs; |
118 |
< |
FILE *f; |
118 |
> |
#endif |
119 |
> |
#if defined(LINUX) || defined(CYGWIN) |
120 |
> |
struct mntent *mp; |
121 |
> |
struct statfs fs; |
122 |
> |
#endif |
123 |
> |
#ifdef ALLBSD |
124 |
> |
int nummnt; |
125 |
> |
struct statfs *mp; |
126 |
> |
#endif |
127 |
|
|
128 |
< |
disk_stat_t *disk_ptr; |
128 |
> |
#ifdef ALLBSD |
129 |
> |
nummnt=getmntinfo(&mp , MNT_LOCAL); |
130 |
> |
if (nummnt<=0){ |
131 |
> |
return NULL; |
132 |
> |
} |
133 |
> |
for(;nummnt--; mp++){ |
134 |
> |
valid_type = is_valid_fs_type(mp->f_fstypename); |
135 |
> |
#endif |
136 |
|
|
137 |
< |
if(watermark==-1){ |
138 |
< |
disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
139 |
< |
if(disk_stats==NULL){ |
85 |
< |
return NULL; |
86 |
< |
} |
87 |
< |
watermark=START_VAL; |
88 |
< |
init_disk_stat(0, watermark-1, disk_stats); |
137 |
> |
#if defined(LINUX) || defined(CYGWIN) |
138 |
> |
if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
139 |
> |
return NULL; |
140 |
|
} |
141 |
|
|
142 |
+ |
while((mp=getmntent(f))){ |
143 |
+ |
if((statfs(mp->mnt_dir, &fs)) !=0){ |
144 |
+ |
continue; |
145 |
+ |
} |
146 |
|
|
147 |
+ |
valid_type = is_valid_fs_type(mp->mnt_type); |
148 |
+ |
#endif |
149 |
+ |
|
150 |
+ |
#ifdef SOLARIS |
151 |
|
if ((f=fopen("/etc/mnttab", "r" ))==NULL){ |
152 |
|
return NULL; |
153 |
|
} |
155 |
|
if ((statvfs(mp.mnt_mountp, &fs)) !=0){ |
156 |
|
continue; |
157 |
|
} |
158 |
+ |
valid_type = is_valid_fs_type(mp.mnt_fstype); |
159 |
+ |
#endif |
160 |
|
|
161 |
< |
valid_type=0; |
162 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
163 |
< |
if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){ |
103 |
< |
valid_type=1; |
104 |
< |
break; |
161 |
> |
if(valid_type){ |
162 |
> |
if (VECTOR_RESIZE(disk_stats, num_disks + 1) < 0) { |
163 |
> |
return NULL; |
164 |
|
} |
165 |
< |
} |
165 |
> |
disk_ptr=disk_stats+num_disks; |
166 |
|
|
167 |
< |
if(valid_type){ |
168 |
< |
if(num_disks>watermark-1){ |
169 |
< |
disk_ptr=disk_stats; |
170 |
< |
if((disk_stats=realloc(disk_stats, (watermark*2 * sizeof(disk_stat_t))))==NULL){ |
171 |
< |
disk_stats=disk_ptr; |
172 |
< |
return NULL; |
173 |
< |
} |
167 |
> |
#ifdef ALLBSD |
168 |
> |
if (sg_update_string(&disk_ptr->device_name, mp->f_mntfromname) < 0) { |
169 |
> |
return NULL; |
170 |
> |
} |
171 |
> |
if (sg_update_string(&disk_ptr->fs_type, mp->f_fstypename) < 0) { |
172 |
> |
return NULL; |
173 |
> |
} |
174 |
> |
if (sg_update_string(&disk_ptr->mnt_point, mp->f_mntonname) < 0) { |
175 |
> |
return NULL; |
176 |
> |
} |
177 |
|
|
178 |
< |
watermark=watermark*2; |
179 |
< |
init_disk_stat(num_disks, watermark-1, disk_stats); |
178 |
> |
disk_ptr->size = (long long)mp->f_bsize * (long long) mp->f_blocks; |
179 |
> |
disk_ptr->avail = (long long)mp->f_bsize * (long long) mp->f_bavail; |
180 |
> |
disk_ptr->used = (disk_ptr->size) - ((long long)mp->f_bsize * (long long)mp->f_bfree); |
181 |
> |
|
182 |
> |
disk_ptr->total_inodes=(long long)mp->f_files; |
183 |
> |
disk_ptr->free_inodes=(long long)mp->f_ffree; |
184 |
> |
/* Freebsd doesn't have a "available" inodes */ |
185 |
> |
disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
186 |
> |
#endif |
187 |
> |
#if defined(LINUX) || defined(CYGWIN) |
188 |
> |
if (sg_update_string(&disk_ptr->device_name, mp->mnt_fsname) < 0) { |
189 |
> |
return NULL; |
190 |
|
} |
191 |
+ |
|
192 |
+ |
if (sg_update_string(&disk_ptr->fs_type, mp->mnt_type) < 0) { |
193 |
+ |
return NULL; |
194 |
+ |
} |
195 |
|
|
196 |
< |
disk_ptr=disk_stats+num_disks; |
197 |
< |
|
198 |
< |
/* Memory leak in event of realloc failing */ |
196 |
> |
if (sg_update_string(&disk_ptr->mnt_point, mp->mnt_dir) < 0) { |
197 |
> |
return NULL; |
198 |
> |
} |
199 |
> |
disk_ptr->size = (long long)fs.f_bsize * (long long)fs.f_blocks; |
200 |
> |
disk_ptr->avail = (long long)fs.f_bsize * (long long)fs.f_bavail; |
201 |
> |
disk_ptr->used = (disk_ptr->size) - ((long long)fs.f_bsize * (long long)fs.f_bfree); |
202 |
> |
|
203 |
> |
disk_ptr->total_inodes=(long long)fs.f_files; |
204 |
> |
disk_ptr->free_inodes=(long long)fs.f_ffree; |
205 |
> |
/* Linux doesn't have a "available" inodes */ |
206 |
> |
disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
207 |
> |
#endif |
208 |
> |
|
209 |
> |
#ifdef SOLARIS |
210 |
|
/* Maybe make this char[bigenough] and do strncpy's and put a null in the end? |
211 |
< |
Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE woul prob be upwards |
212 |
< |
of a k each */ |
213 |
< |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp.mnt_special))==NULL){ |
211 |
> |
* Downside is its a bit hungry for a lot of mounts, as MNT_MAX_SIZE would prob |
212 |
> |
* be upwards of a k each |
213 |
> |
*/ |
214 |
> |
if (sg_update_string(&disk_ptr->device_name, mp.mnt_special) < 0) { |
215 |
|
return NULL; |
216 |
|
} |
217 |
|
|
218 |
< |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp.mnt_fstype))==NULL){ |
218 |
> |
if (sg_update_string(&disk_ptr->fs_type, mp.mnt_fstype) < 0) { |
219 |
|
return NULL; |
220 |
|
} |
221 |
|
|
222 |
< |
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp.mnt_mountp))==NULL){ |
222 |
> |
if (sg_update_string(&disk_ptr->mnt_point, mp.mnt_mountp) < 0) { |
223 |
|
return NULL; |
224 |
|
} |
225 |
|
|
230 |
|
disk_ptr->total_inodes=(long long)fs.f_files; |
231 |
|
disk_ptr->used_inodes=disk_ptr->total_inodes - (long long)fs.f_ffree; |
232 |
|
disk_ptr->free_inodes=(long long)fs.f_favail; |
233 |
< |
|
233 |
> |
#endif |
234 |
|
num_disks++; |
235 |
|
} |
236 |
|
} |
237 |
|
|
238 |
|
*entries=num_disks; |
239 |
|
|
240 |
< |
/* If this fails, there is very little i can do about it, so i'll ignore it :) */ |
240 |
> |
/* If this fails, there is very little i can do about it, so |
241 |
> |
I'll ignore it :) */ |
242 |
> |
#if defined(LINUX) || defined(CYGWIN) |
243 |
> |
endmntent(f); |
244 |
> |
#endif |
245 |
> |
#if defined(SOLARIS) |
246 |
|
fclose(f); |
247 |
+ |
#endif |
248 |
|
|
249 |
|
return disk_stats; |
250 |
|
|
251 |
|
} |
252 |
|
|
253 |
< |
void diskio_stat_init(int start, int end, diskio_stat_t *diskio_stats){ |
253 |
> |
static void diskio_stat_init(sg_disk_io_stats *d) { |
254 |
> |
d->disk_name = NULL; |
255 |
> |
} |
256 |
|
|
257 |
< |
for(diskio_stats+=start; start<end; start++){ |
258 |
< |
diskio_stats->disk_name=NULL; |
163 |
< |
|
164 |
< |
diskio_stats++; |
165 |
< |
} |
257 |
> |
static void diskio_stat_destroy(sg_disk_io_stats *d) { |
258 |
> |
free(d->disk_name); |
259 |
|
} |
260 |
|
|
261 |
< |
diskio_stat_t *diskio_stat_malloc(int needed_entries, int *cur_entries, diskio_stat_t *diskio_stats){ |
261 |
> |
VECTOR_DECLARE_STATIC(diskio_stats, sg_disk_io_stats, 10, |
262 |
> |
diskio_stat_init, diskio_stat_destroy); |
263 |
|
|
264 |
< |
if(diskio_stats==NULL){ |
264 |
> |
#ifdef LINUX |
265 |
> |
typedef struct { |
266 |
> |
int major; |
267 |
> |
int minor; |
268 |
> |
} partition; |
269 |
> |
#endif |
270 |
|
|
271 |
< |
if((diskio_stats=malloc(needed_entries * sizeof(diskio_stat_t)))==NULL){ |
272 |
< |
return NULL; |
273 |
< |
} |
274 |
< |
diskio_stat_init(0, needed_entries, diskio_stats); |
275 |
< |
*cur_entries=needed_entries; |
271 |
> |
sg_disk_io_stats *sg_get_disk_io_stats(int *entries){ |
272 |
> |
int num_diskio; |
273 |
> |
#ifndef LINUX |
274 |
> |
sg_disk_io_stats *diskio_stats_ptr; |
275 |
> |
#endif |
276 |
|
|
277 |
< |
return diskio_stats; |
278 |
< |
} |
277 |
> |
#ifdef SOLARIS |
278 |
> |
kstat_ctl_t *kc; |
279 |
> |
kstat_t *ksp; |
280 |
> |
kstat_io_t kios; |
281 |
> |
#endif |
282 |
> |
#ifdef LINUX |
283 |
> |
FILE *f; |
284 |
> |
char *line_ptr; |
285 |
> |
int major, minor; |
286 |
> |
int has_pp_stats = 1; |
287 |
> |
VECTOR_DECLARE_STATIC(parts, partition, 16, NULL, NULL); |
288 |
> |
int i, n; |
289 |
> |
time_t now; |
290 |
> |
const char *format; |
291 |
> |
#endif |
292 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
293 |
> |
static struct statinfo stats; |
294 |
> |
static int stats_init = 0; |
295 |
> |
int counter; |
296 |
> |
struct device_selection *dev_sel = NULL; |
297 |
> |
int n_selected, n_selections; |
298 |
> |
long sel_gen; |
299 |
> |
struct devstat *dev_ptr; |
300 |
> |
#endif |
301 |
> |
#ifdef NETBSD |
302 |
> |
struct disk_sysctl *stats; |
303 |
> |
#endif |
304 |
> |
#ifdef OPENBSD |
305 |
> |
int diskcount; |
306 |
> |
char *disknames, *name, *bufpp; |
307 |
> |
char **dk_name; |
308 |
> |
struct diskstats *stats; |
309 |
> |
#endif |
310 |
> |
#ifdef NETBSD |
311 |
> |
#define MIBSIZE 3 |
312 |
> |
#endif |
313 |
> |
#ifdef OPENBSD |
314 |
> |
#define MIBSIZE 2 |
315 |
> |
#endif |
316 |
> |
#if defined(NETBSD) || defined(OPENBSD) |
317 |
> |
int num_disks, i; |
318 |
> |
int mib[MIBSIZE]; |
319 |
> |
size_t size; |
320 |
> |
#endif |
321 |
|
|
322 |
+ |
num_diskio=0; |
323 |
|
|
324 |
< |
if(*cur_entries<needed_entries){ |
325 |
< |
diskio_stats=realloc(diskio_stats, (sizeof(diskio_stat_t)*needed_entries)); |
326 |
< |
if(diskio_stats==NULL){ |
185 |
< |
return NULL; |
186 |
< |
} |
187 |
< |
diskio_stat_init(*cur_entries, needed_entries, diskio_stats); |
188 |
< |
*cur_entries=needed_entries; |
189 |
< |
} |
324 |
> |
#ifdef OPENBSD |
325 |
> |
mib[0] = CTL_HW; |
326 |
> |
mib[1] = HW_DISKCOUNT; |
327 |
|
|
328 |
< |
return diskio_stats; |
329 |
< |
} |
328 |
> |
size = sizeof(diskcount); |
329 |
> |
if (sysctl(mib, MIBSIZE, &diskcount, &size, NULL, 0) < 0) { |
330 |
> |
return NULL; |
331 |
> |
} |
332 |
|
|
333 |
< |
static diskio_stat_t *diskio_stats=NULL; |
334 |
< |
static int num_diskio=0; |
333 |
> |
mib[0] = CTL_HW; |
334 |
> |
mib[1] = HW_DISKNAMES; |
335 |
|
|
336 |
< |
diskio_stat_t *get_diskio_stats(int *entries){ |
336 |
> |
if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
337 |
> |
return NULL; |
338 |
> |
} |
339 |
|
|
340 |
< |
static int sizeof_diskio_stats=0; |
341 |
< |
diskio_stat_t *diskio_stats_ptr; |
340 |
> |
disknames = malloc(size); |
341 |
> |
if (disknames == NULL) { |
342 |
> |
return NULL; |
343 |
> |
} |
344 |
|
|
345 |
< |
kstat_ctl_t *kc; |
346 |
< |
kstat_t *ksp; |
347 |
< |
kstat_io_t kios; |
345 |
> |
if (sysctl(mib, MIBSIZE, disknames, &size, NULL, 0) < 0) { |
346 |
> |
return NULL; |
347 |
> |
} |
348 |
|
|
349 |
+ |
dk_name = calloc(diskcount, sizeof(char *)); |
350 |
+ |
bufpp = disknames; |
351 |
+ |
for (i = 0; i < diskcount && (name = strsep(&bufpp, ",")) != NULL; i++) { |
352 |
+ |
dk_name[i] = name; |
353 |
+ |
} |
354 |
+ |
#endif |
355 |
+ |
|
356 |
+ |
#if defined(NETBSD) || defined(OPENBSD) |
357 |
+ |
mib[0] = CTL_HW; |
358 |
+ |
mib[1] = HW_DISKSTATS; |
359 |
+ |
#ifdef NETBSD |
360 |
+ |
mib[2] = sizeof(struct disk_sysctl); |
361 |
+ |
#endif |
362 |
+ |
|
363 |
+ |
if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
364 |
+ |
return NULL; |
365 |
+ |
} |
366 |
+ |
|
367 |
+ |
#ifdef NETBSD |
368 |
+ |
num_disks = size / sizeof(struct disk_sysctl); |
369 |
+ |
#else |
370 |
+ |
num_disks = size / sizeof(struct diskstats); |
371 |
+ |
#endif |
372 |
+ |
|
373 |
+ |
stats = malloc(size); |
374 |
+ |
if (stats == NULL) { |
375 |
+ |
return NULL; |
376 |
+ |
} |
377 |
+ |
|
378 |
+ |
if (sysctl(mib, MIBSIZE, stats, &size, NULL, 0) < 0) { |
379 |
+ |
return NULL; |
380 |
+ |
} |
381 |
+ |
|
382 |
+ |
for (i = 0; i < num_disks; i++) { |
383 |
+ |
const char *name; |
384 |
+ |
u_int64_t rbytes, wbytes; |
385 |
+ |
|
386 |
+ |
#ifdef NETBSD |
387 |
+ |
#ifdef HAVE_DK_RBYTES |
388 |
+ |
rbytes = stats[i].dk_rbytes; |
389 |
+ |
wbytes = stats[i].dk_wbytes; |
390 |
+ |
#else |
391 |
+ |
/* Before 1.7, NetBSD merged reads and writes. */ |
392 |
+ |
rbytes = wbytes = stats[i].dk_bytes; |
393 |
+ |
#endif |
394 |
+ |
#else |
395 |
+ |
rbytes = wbytes = stats[i].ds_bytes; |
396 |
+ |
#endif |
397 |
+ |
|
398 |
+ |
/* Don't keep stats for disks that have never been used. */ |
399 |
+ |
if (rbytes == 0 && wbytes == 0) { |
400 |
+ |
continue; |
401 |
+ |
} |
402 |
+ |
|
403 |
+ |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
404 |
+ |
return NULL; |
405 |
+ |
} |
406 |
+ |
diskio_stats_ptr = diskio_stats + num_diskio; |
407 |
+ |
|
408 |
+ |
diskio_stats_ptr->read_bytes = rbytes; |
409 |
+ |
diskio_stats_ptr->write_bytes = wbytes; |
410 |
+ |
#ifdef NETBSD |
411 |
+ |
name = stats[i].dk_name; |
412 |
+ |
#else |
413 |
+ |
name = dk_name[i]; |
414 |
+ |
#endif |
415 |
+ |
if (sg_update_string(&diskio_stats_ptr->disk_name, name) < 0) { |
416 |
+ |
return NULL; |
417 |
+ |
} |
418 |
+ |
diskio_stats_ptr->systime = time(NULL); |
419 |
+ |
|
420 |
+ |
num_diskio++; |
421 |
+ |
} |
422 |
+ |
|
423 |
+ |
free(stats); |
424 |
+ |
#ifdef OPENBSD |
425 |
+ |
free(dk_name); |
426 |
+ |
free(disknames); |
427 |
+ |
#endif |
428 |
+ |
#endif |
429 |
+ |
|
430 |
+ |
#if defined(FREEBSD) || defined(DFBSD) |
431 |
+ |
if (!stats_init) { |
432 |
+ |
stats.dinfo=malloc(sizeof(struct devinfo)); |
433 |
+ |
if(stats.dinfo==NULL) return NULL; |
434 |
+ |
bzero(stats.dinfo, sizeof(struct devinfo)); |
435 |
+ |
stats_init = 1; |
436 |
+ |
} |
437 |
+ |
#ifdef FREEBSD5 |
438 |
+ |
if ((devstat_getdevs(NULL, &stats)) < 0) return NULL; |
439 |
+ |
/* Not aware of a get all devices, so i said 999. If we ever |
440 |
+ |
* find a machine with more than 999 disks, then i'll change |
441 |
+ |
* this number :) |
442 |
+ |
*/ |
443 |
+ |
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; |
444 |
+ |
#else |
445 |
+ |
if ((getdevs(&stats)) < 0) return NULL; |
446 |
+ |
/* Not aware of a get all devices, so i said 999. If we ever |
447 |
+ |
* find a machine with more than 999 disks, then i'll change |
448 |
+ |
* this number :) |
449 |
+ |
*/ |
450 |
+ |
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; |
451 |
+ |
#endif |
452 |
+ |
|
453 |
+ |
for(counter=0;counter<stats.dinfo->numdevs;counter++){ |
454 |
+ |
dev_ptr=&stats.dinfo->devices[dev_sel[counter].position]; |
455 |
+ |
|
456 |
+ |
/* Throw away devices that have done nothing, ever.. Eg "odd" |
457 |
+ |
* devices.. like mem, proc.. and also doesn't report floppy |
458 |
+ |
* drives etc unless they are doing stuff :) |
459 |
+ |
*/ |
460 |
+ |
#ifdef FREEBSD5 |
461 |
+ |
if((dev_ptr->bytes[DEVSTAT_READ]==0) && (dev_ptr->bytes[DEVSTAT_WRITE]==0)) continue; |
462 |
+ |
#else |
463 |
+ |
if((dev_ptr->bytes_read==0) && (dev_ptr->bytes_written==0)) continue; |
464 |
+ |
#endif |
465 |
+ |
|
466 |
+ |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
467 |
+ |
return NULL; |
468 |
+ |
} |
469 |
+ |
diskio_stats_ptr=diskio_stats+num_diskio; |
470 |
+ |
|
471 |
+ |
#ifdef FREEBSD5 |
472 |
+ |
diskio_stats_ptr->read_bytes=dev_ptr->bytes[DEVSTAT_READ]; |
473 |
+ |
diskio_stats_ptr->write_bytes=dev_ptr->bytes[DEVSTAT_WRITE]; |
474 |
+ |
#else |
475 |
+ |
diskio_stats_ptr->read_bytes=dev_ptr->bytes_read; |
476 |
+ |
diskio_stats_ptr->write_bytes=dev_ptr->bytes_written; |
477 |
+ |
#endif |
478 |
+ |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
479 |
+ |
if (asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number) == -1) { |
480 |
+ |
return NULL; |
481 |
+ |
} |
482 |
+ |
diskio_stats_ptr->systime=time(NULL); |
483 |
+ |
|
484 |
+ |
num_diskio++; |
485 |
+ |
} |
486 |
+ |
free(dev_sel); |
487 |
+ |
|
488 |
+ |
#endif |
489 |
+ |
#ifdef SOLARIS |
490 |
|
if ((kc = kstat_open()) == NULL) { |
491 |
|
return NULL; |
492 |
|
} |
493 |
|
|
210 |
– |
num_diskio=0; |
211 |
– |
|
494 |
|
for (ksp = kc->kc_chain; ksp; ksp = ksp->ks_next) { |
495 |
|
if (!strcmp(ksp->ks_class, "disk")) { |
496 |
|
|
500 |
|
if((kstat_read(kc, ksp, &kios))==-1){ |
501 |
|
} |
502 |
|
|
503 |
< |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
503 |
> |
if (VECTOR_RESIZE(diskio_stats, num_diskio + 1) < 0) { |
504 |
|
kstat_close(kc); |
505 |
|
return NULL; |
506 |
|
} |
507 |
|
diskio_stats_ptr=diskio_stats+num_diskio; |
508 |
|
|
509 |
|
diskio_stats_ptr->read_bytes=kios.nread; |
228 |
– |
|
510 |
|
diskio_stats_ptr->write_bytes=kios.nwritten; |
511 |
+ |
if (sg_update_string(&diskio_stats_ptr->disk_name, |
512 |
+ |
sg_get_svr_from_bsd(ksp->ks_name)) < 0) { |
513 |
+ |
return NULL; |
514 |
+ |
} |
515 |
+ |
diskio_stats_ptr->systime=time(NULL); |
516 |
|
|
231 |
– |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
232 |
– |
|
233 |
– |
diskio_stats_ptr->disk_name=strdup(ksp->ks_name); |
517 |
|
num_diskio++; |
518 |
|
} |
519 |
|
} |
520 |
|
|
521 |
|
kstat_close(kc); |
522 |
+ |
#endif |
523 |
|
|
524 |
+ |
#ifdef LINUX |
525 |
+ |
num_diskio = 0; |
526 |
+ |
n = 0; |
527 |
+ |
|
528 |
+ |
/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels |
529 |
+ |
have statistics in here too, so we can use those directly. |
530 |
+ |
2.6 kernels have /proc/diskstats instead with almost (but not quite) |
531 |
+ |
the same format. */ |
532 |
+ |
|
533 |
+ |
f = fopen("/proc/diskstats", "r"); |
534 |
+ |
format = " %d %d %99s %*d %*d %lld %*d %*d %*d %lld"; |
535 |
+ |
if (f == NULL) { |
536 |
+ |
f = fopen("/proc/partitions", "r"); |
537 |
+ |
format = " %d %d %*d %99s %*d %*d %lld %*d %*d %*d %lld"; |
538 |
+ |
} |
539 |
+ |
if (f == NULL) goto out; |
540 |
+ |
now = time(NULL); |
541 |
+ |
|
542 |
+ |
while ((line_ptr = sg_f_read_line(f, "")) != NULL) { |
543 |
+ |
char name[100]; |
544 |
+ |
char *s; |
545 |
+ |
long long rsect, wsect; |
546 |
+ |
|
547 |
+ |
int nr = sscanf(line_ptr, format, |
548 |
+ |
&major, &minor, name, &rsect, &wsect); |
549 |
+ |
if (nr < 3) continue; |
550 |
+ |
|
551 |
+ |
/* Skip device names ending in numbers, since they're |
552 |
+ |
partitions. */ |
553 |
+ |
s = name; |
554 |
+ |
while (*s != '\0') s++; |
555 |
+ |
--s; |
556 |
+ |
if (*s >= '0' && *s <= '9') continue; |
557 |
+ |
|
558 |
+ |
if (nr < 5) { |
559 |
+ |
has_pp_stats = 0; |
560 |
+ |
rsect = 0; |
561 |
+ |
wsect = 0; |
562 |
+ |
} |
563 |
+ |
|
564 |
+ |
if (VECTOR_RESIZE(diskio_stats, n + 1) < 0) { |
565 |
+ |
goto out; |
566 |
+ |
} |
567 |
+ |
if (VECTOR_RESIZE(parts, n + 1) < 0) { |
568 |
+ |
goto out; |
569 |
+ |
} |
570 |
+ |
|
571 |
+ |
if (sg_update_string(&diskio_stats[n].disk_name, name) < 0) { |
572 |
+ |
goto out; |
573 |
+ |
} |
574 |
+ |
diskio_stats[n].read_bytes = rsect * 512; |
575 |
+ |
diskio_stats[n].write_bytes = wsect * 512; |
576 |
+ |
diskio_stats[n].systime = now; |
577 |
+ |
parts[n].major = major; |
578 |
+ |
parts[n].minor = minor; |
579 |
+ |
|
580 |
+ |
n++; |
581 |
+ |
} |
582 |
+ |
|
583 |
+ |
fclose(f); |
584 |
+ |
f = NULL; |
585 |
+ |
|
586 |
+ |
if (!has_pp_stats) { |
587 |
+ |
/* This is an older kernel where /proc/partitions doesn't |
588 |
+ |
contain stats. Read what we can from /proc/stat instead, and |
589 |
+ |
fill in the appropriate bits of the list allocated above. */ |
590 |
+ |
|
591 |
+ |
f = fopen("/proc/stat", "r"); |
592 |
+ |
if (f == NULL) goto out; |
593 |
+ |
now = time(NULL); |
594 |
+ |
|
595 |
+ |
line_ptr = sg_f_read_line(f, "disk_io:"); |
596 |
+ |
if (line_ptr == NULL) goto out; |
597 |
+ |
|
598 |
+ |
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
599 |
+ |
long long rsect, wsect; |
600 |
+ |
|
601 |
+ |
if (*++line_ptr == '\0') break; |
602 |
+ |
|
603 |
+ |
if((sscanf(line_ptr, |
604 |
+ |
"(%d,%d):(%*d, %*d, %lld, %*d, %lld)", |
605 |
+ |
&major, &minor, &rsect, &wsect)) != 4) { |
606 |
+ |
continue; |
607 |
+ |
} |
608 |
+ |
|
609 |
+ |
/* Find the corresponding device from earlier. |
610 |
+ |
Just to add to the fun, "minor" is actually the disk |
611 |
+ |
number, not the device minor, so we need to figure |
612 |
+ |
out the real minor number based on the major! |
613 |
+ |
This list is not exhaustive; if you're running |
614 |
+ |
an older kernel you probably don't have fancy |
615 |
+ |
I2O hardware anyway... */ |
616 |
+ |
switch (major) { |
617 |
+ |
case 3: |
618 |
+ |
case 21: |
619 |
+ |
case 22: |
620 |
+ |
case 33: |
621 |
+ |
case 34: |
622 |
+ |
case 36: |
623 |
+ |
case 56: |
624 |
+ |
case 57: |
625 |
+ |
case 88: |
626 |
+ |
case 89: |
627 |
+ |
case 90: |
628 |
+ |
case 91: |
629 |
+ |
minor *= 64; |
630 |
+ |
break; |
631 |
+ |
case 9: |
632 |
+ |
case 43: |
633 |
+ |
break; |
634 |
+ |
default: |
635 |
+ |
minor *= 16; |
636 |
+ |
break; |
637 |
+ |
} |
638 |
+ |
for (i = 0; i < n; i++) { |
639 |
+ |
if (major == parts[i].major |
640 |
+ |
&& minor == parts[i].minor) |
641 |
+ |
break; |
642 |
+ |
} |
643 |
+ |
if (i == n) continue; |
644 |
+ |
|
645 |
+ |
/* We read the number of blocks. Blocks are stored in |
646 |
+ |
512 bytes */ |
647 |
+ |
diskio_stats[i].read_bytes = rsect * 512; |
648 |
+ |
diskio_stats[i].write_bytes = wsect * 512; |
649 |
+ |
diskio_stats[i].systime = now; |
650 |
+ |
} |
651 |
+ |
} |
652 |
+ |
|
653 |
+ |
num_diskio = n; |
654 |
+ |
out: |
655 |
+ |
if (f != NULL) fclose(f); |
656 |
+ |
#endif |
657 |
+ |
|
658 |
+ |
#ifdef CYGWIN |
659 |
+ |
return NULL; |
660 |
+ |
#endif |
661 |
+ |
|
662 |
|
*entries=num_diskio; |
663 |
|
|
664 |
|
return diskio_stats; |
665 |
|
} |
666 |
|
|
667 |
< |
diskio_stat_t *get_diskio_stats_diff(int *entries){ |
668 |
< |
static diskio_stat_t *diskio_stats_diff=NULL; |
669 |
< |
static int sizeof_diskio_stats_diff=0; |
670 |
< |
diskio_stat_t *diskio_stats_diff_ptr, *diskio_stats_ptr; |
671 |
< |
int disks, x, y; |
667 |
> |
sg_disk_io_stats *sg_get_disk_io_stats_diff(int *entries){ |
668 |
> |
VECTOR_DECLARE_STATIC(diff, sg_disk_io_stats, 1, |
669 |
> |
diskio_stat_init, diskio_stat_destroy); |
670 |
> |
sg_disk_io_stats *src = NULL, *dest; |
671 |
> |
int i, j, diff_count, new_count; |
672 |
|
|
673 |
< |
if(diskio_stats==NULL){ |
674 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
675 |
< |
*entries=disks; |
254 |
< |
return diskio_stats_ptr; |
673 |
> |
if (diskio_stats == NULL) { |
674 |
> |
/* No previous stats, so we can't calculate a difference. */ |
675 |
> |
return sg_get_disk_io_stats(entries); |
676 |
|
} |
677 |
|
|
678 |
< |
diskio_stats_diff=diskio_stat_malloc(num_diskio, &sizeof_diskio_stats_diff, diskio_stats_diff); |
679 |
< |
if(diskio_stats_diff==NULL){ |
678 |
> |
/* Resize the results array to match the previous stats. */ |
679 |
> |
diff_count = VECTOR_SIZE(diskio_stats); |
680 |
> |
if (VECTOR_RESIZE(diff, diff_count) < 0) { |
681 |
|
return NULL; |
682 |
|
} |
683 |
|
|
684 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
685 |
< |
diskio_stats_ptr=diskio_stats; |
684 |
> |
/* Copy the previous stats into the result. */ |
685 |
> |
for (i = 0; i < diff_count; i++) { |
686 |
> |
src = &diskio_stats[i]; |
687 |
> |
dest = &diff[i]; |
688 |
|
|
689 |
< |
for(disks=0;disks<num_diskio;disks++){ |
690 |
< |
if(diskio_stats_diff_ptr->disk_name!=NULL){ |
267 |
< |
free(diskio_stats_diff_ptr->disk_name); |
689 |
> |
if (sg_update_string(&dest->disk_name, src->disk_name) < 0) { |
690 |
> |
return NULL; |
691 |
|
} |
692 |
< |
diskio_stats_diff_ptr->disk_name=strdup(diskio_stats_ptr->disk_name); |
693 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes; |
694 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes; |
695 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime; |
692 |
> |
dest->read_bytes = src->read_bytes; |
693 |
> |
dest->write_bytes = src->write_bytes; |
694 |
> |
dest->systime = src->systime; |
695 |
> |
} |
696 |
|
|
697 |
< |
diskio_stats_diff_ptr++; |
698 |
< |
diskio_stats_ptr++; |
697 |
> |
/* Get a new set of stats. */ |
698 |
> |
if (sg_get_disk_io_stats(&new_count) == NULL) { |
699 |
> |
return NULL; |
700 |
|
} |
701 |
|
|
702 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
703 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
702 |
> |
/* For each previous stat... */ |
703 |
> |
for (i = 0; i < diff_count; i++) { |
704 |
> |
dest = &diff[i]; |
705 |
|
|
706 |
< |
for(x=0;x<sizeof_diskio_stats_diff;x++){ |
707 |
< |
|
708 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
709 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
710 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
711 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
712 |
< |
}else{ |
288 |
< |
diskio_stats_ptr=diskio_stats; |
289 |
< |
for(y=0;y<disks;y++){ |
290 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
291 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
292 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
293 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
294 |
< |
|
295 |
< |
break; |
296 |
< |
} |
297 |
< |
|
298 |
< |
diskio_stats_ptr++; |
706 |
> |
/* ... find the corresponding new stat ... */ |
707 |
> |
for (j = 0; j < new_count; j++) { |
708 |
> |
/* Try the new stat in the same position first, |
709 |
> |
since that's most likely to be it. */ |
710 |
> |
src = &diskio_stats[(i + j) % new_count]; |
711 |
> |
if (strcmp(src->disk_name, dest->disk_name) == 0) { |
712 |
> |
break; |
713 |
|
} |
714 |
|
} |
715 |
+ |
if (j == new_count) { |
716 |
+ |
/* No match found. */ |
717 |
+ |
continue; |
718 |
+ |
} |
719 |
|
|
720 |
< |
diskio_stats_ptr++; |
721 |
< |
diskio_stats_diff_ptr++; |
722 |
< |
|
720 |
> |
/* ... and subtract the previous stat from it to get the |
721 |
> |
difference. */ |
722 |
> |
dest->read_bytes = src->read_bytes - dest->read_bytes; |
723 |
> |
dest->write_bytes = src->write_bytes - dest->write_bytes; |
724 |
> |
dest->systime = src->systime - dest->systime; |
725 |
|
} |
726 |
|
|
727 |
< |
return diskio_stats_diff; |
727 |
> |
*entries = diff_count; |
728 |
> |
return diff; |
729 |
|
} |
730 |
+ |
|