1 |
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/* |
2 |
|
* i-scream central monitoring system |
3 |
< |
* http://www.i-scream.org.uk |
4 |
< |
* Copyright (C) 2000-2002 i-scream |
3 |
> |
* http://www.i-scream.org |
4 |
> |
* Copyright (C) 2000-2003 i-scream |
5 |
|
* |
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 |
22 |
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#include "config.h" |
23 |
|
#endif |
24 |
|
|
25 |
+ |
#include <stdio.h> |
26 |
|
#include <stdlib.h> |
27 |
|
#include <string.h> |
28 |
+ |
#include <time.h> |
29 |
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#include "statgrab.h" |
30 |
|
|
31 |
|
#ifdef SOLARIS |
30 |
– |
#include <stdio.h> |
32 |
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#include <sys/mnttab.h> |
33 |
|
#include <sys/statvfs.h> |
34 |
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#include <kstat.h> |
35 |
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#define VALID_FS_TYPES {"ufs", "tmpfs"} |
36 |
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#endif |
37 |
|
|
38 |
< |
#ifdef LINUX |
38 |
< |
#include <stdio.h> |
39 |
< |
#include <sys/vfs.h> |
38 |
> |
#if defined(LINUX) || defined(CYGWIN) |
39 |
|
#include <mntent.h> |
40 |
+ |
#include <sys/vfs.h> |
41 |
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#include "tools.h" |
42 |
– |
#define VALID_FS_TYPES {"ext2", "ext3", "xfs", "reiserfs", "vfat", "tmpfs"} |
42 |
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#endif |
43 |
|
|
44 |
+ |
#ifdef LINUX |
45 |
+ |
#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \ |
46 |
+ |
"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
47 |
+ |
"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
48 |
+ |
"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
49 |
+ |
"umsdos", "vfat", "xfs", "jfs"} |
50 |
+ |
#endif |
51 |
+ |
|
52 |
+ |
#ifdef CYGWIN |
53 |
+ |
#define VALID_FS_TYPES {"user"} |
54 |
+ |
#endif |
55 |
+ |
|
56 |
+ |
#ifdef ALLBSD |
57 |
+ |
#include <sys/param.h> |
58 |
+ |
#include <sys/ucred.h> |
59 |
+ |
#include <sys/mount.h> |
60 |
+ |
#endif |
61 |
+ |
#ifdef FREEBSD |
62 |
+ |
#include <sys/dkstat.h> |
63 |
+ |
#include <devstat.h> |
64 |
+ |
#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
65 |
+ |
"ufs", "mfs"} |
66 |
+ |
#endif |
67 |
+ |
#ifdef NETBSD |
68 |
+ |
#include <sys/param.h> |
69 |
+ |
#include <sys/sysctl.h> |
70 |
+ |
#include <sys/disk.h> |
71 |
+ |
#define VALID_FS_TYPES {"ffs", "mfs", "msdos", "lfs", "adosfs", "ext2fs", \ |
72 |
+ |
"ntfs"} |
73 |
+ |
#endif |
74 |
+ |
|
75 |
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#define START_VAL 1 |
76 |
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|
77 |
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char *copy_string(char *orig_ptr, const char *newtext){ |
98 |
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} |
99 |
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} |
100 |
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|
101 |
+ |
int is_valid_fs_type(const char *type) { |
102 |
+ |
const char *types[] = VALID_FS_TYPES; |
103 |
+ |
int i; |
104 |
+ |
|
105 |
+ |
for (i = 0; i < (sizeof types / sizeof *types); i++) { |
106 |
+ |
if (strcmp(types[i], type) == 0) { |
107 |
+ |
return 1; |
108 |
+ |
} |
109 |
+ |
} |
110 |
+ |
return 0; |
111 |
+ |
} |
112 |
+ |
|
113 |
|
disk_stat_t *get_disk_stats(int *entries){ |
114 |
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|
115 |
|
static disk_stat_t *disk_stats; |
116 |
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static int watermark=-1; |
117 |
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|
118 |
< |
char *fs_types[] = VALID_FS_TYPES; |
77 |
< |
int x, valid_type; |
118 |
> |
int valid_type; |
119 |
|
int num_disks=0; |
120 |
+ |
#if defined(LINUX) || defined (SOLARIS) || defined(CYGWIN) |
121 |
|
FILE *f; |
122 |
+ |
#endif |
123 |
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|
124 |
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disk_stat_t *disk_ptr; |
125 |
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|
127 |
|
struct mnttab mp; |
128 |
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struct statvfs fs; |
129 |
|
#endif |
130 |
< |
#ifdef LINUX |
130 |
> |
#if defined(LINUX) || defined(CYGWIN) |
131 |
|
struct mntent *mp; |
132 |
|
struct statfs fs; |
133 |
|
#endif |
134 |
+ |
#ifdef ALLBSD |
135 |
+ |
int nummnt; |
136 |
+ |
struct statfs *mp; |
137 |
+ |
#endif |
138 |
|
|
139 |
|
if(watermark==-1){ |
140 |
|
disk_stats=malloc(START_VAL * sizeof(disk_stat_t)); |
144 |
|
watermark=START_VAL; |
145 |
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init_disk_stat(0, watermark-1, disk_stats); |
146 |
|
} |
147 |
< |
#ifdef LINUX |
147 |
> |
#ifdef ALLBSD |
148 |
> |
nummnt=getmntinfo(&mp , MNT_LOCAL); |
149 |
> |
if (nummnt<=0){ |
150 |
> |
return NULL; |
151 |
> |
} |
152 |
> |
for(;nummnt--; mp++){ |
153 |
> |
valid_type = is_valid_fs_type(mp->f_fstypename); |
154 |
> |
#endif |
155 |
> |
|
156 |
> |
#if defined(LINUX) || defined(CYGWIN) |
157 |
|
if ((f=setmntent("/etc/mtab", "r" ))==NULL){ |
158 |
|
return NULL; |
159 |
|
} |
163 |
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continue; |
164 |
|
} |
165 |
|
|
166 |
< |
valid_type=0; |
111 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
112 |
< |
if(strcmp(mp->mnt_type, fs_types[x]) ==0){ |
113 |
< |
valid_type=1; |
114 |
< |
break; |
115 |
< |
} |
116 |
< |
} |
166 |
> |
valid_type = is_valid_fs_type(mp->mnt_type); |
167 |
|
#endif |
168 |
|
|
169 |
|
#ifdef SOLARIS |
174 |
|
if ((statvfs(mp.mnt_mountp, &fs)) !=0){ |
175 |
|
continue; |
176 |
|
} |
177 |
< |
valid_type=0; |
128 |
< |
for(x=0;x<((sizeof(fs_types))/(sizeof(char*)));x++){ |
129 |
< |
if(strcmp(mp.mnt_fstype, fs_types[x]) ==0){ |
130 |
< |
valid_type=1; |
131 |
< |
break; |
132 |
< |
} |
133 |
< |
} |
177 |
> |
valid_type = is_valid_fs_type(mp.mnt_fstype); |
178 |
|
#endif |
179 |
|
|
180 |
|
if(valid_type){ |
190 |
|
} |
191 |
|
|
192 |
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disk_ptr=disk_stats+num_disks; |
193 |
< |
#ifdef LINUX |
193 |
> |
#ifdef ALLBSD |
194 |
> |
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->f_mntfromname))==NULL){ |
195 |
> |
return NULL; |
196 |
> |
} |
197 |
> |
|
198 |
> |
if((disk_ptr->fs_type=copy_string(disk_ptr->fs_type, mp->f_fstypename))==NULL){ |
199 |
> |
return NULL; |
200 |
> |
} |
201 |
> |
|
202 |
> |
if((disk_ptr->mnt_point=copy_string(disk_ptr->mnt_point, mp->f_mntonname))==NULL){ |
203 |
> |
return NULL; |
204 |
> |
} |
205 |
> |
|
206 |
> |
disk_ptr->size = (long long)mp->f_bsize * (long long) mp->f_blocks; |
207 |
> |
disk_ptr->avail = (long long)mp->f_bsize * (long long) mp->f_bavail; |
208 |
> |
disk_ptr->used = (disk_ptr->size) - ((long long)mp->f_bsize * (long long)mp->f_bfree); |
209 |
> |
|
210 |
> |
disk_ptr->total_inodes=(long long)mp->f_files; |
211 |
> |
disk_ptr->free_inodes=(long long)mp->f_ffree; |
212 |
> |
/* Freebsd doesn't have a "available" inodes */ |
213 |
> |
disk_ptr->used_inodes=disk_ptr->total_inodes-disk_ptr->free_inodes; |
214 |
> |
#endif |
215 |
> |
#if defined(LINUX) || defined(CYGWIN) |
216 |
|
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->mnt_fsname))==NULL){ |
217 |
|
return NULL; |
218 |
|
} |
266 |
|
|
267 |
|
*entries=num_disks; |
268 |
|
|
269 |
< |
/* If this fails, there is very little i can do about it, so i'll ignore it :) */ |
269 |
> |
/* If this fails, there is very little i can do about it, so |
270 |
> |
I'll ignore it :) */ |
271 |
> |
#if defined(LINUX) || defined(CYGWIN) |
272 |
> |
endmntent(f); |
273 |
> |
#endif |
274 |
> |
#if defined(SOLARIS) |
275 |
|
fclose(f); |
276 |
+ |
#endif |
277 |
|
|
278 |
|
return disk_stats; |
279 |
|
|
316 |
|
static diskio_stat_t *diskio_stats=NULL; |
317 |
|
static int num_diskio=0; |
318 |
|
|
319 |
+ |
#ifdef LINUX |
320 |
+ |
typedef struct { |
321 |
+ |
int major; |
322 |
+ |
int minor; |
323 |
+ |
} partition; |
324 |
+ |
#endif |
325 |
+ |
|
326 |
|
diskio_stat_t *get_diskio_stats(int *entries){ |
327 |
|
|
328 |
|
static int sizeof_diskio_stats=0; |
329 |
+ |
#ifndef LINUX |
330 |
|
diskio_stat_t *diskio_stats_ptr; |
331 |
+ |
#endif |
332 |
|
|
333 |
|
#ifdef SOLARIS |
334 |
|
kstat_ctl_t *kc; |
339 |
|
FILE *f; |
340 |
|
char *line_ptr; |
341 |
|
int major, minor; |
342 |
< |
char dev_letter; |
342 |
> |
int has_pp_stats = 1; |
343 |
> |
static partition *parts = NULL; |
344 |
> |
static int alloc_parts = 0; |
345 |
> |
int i, n; |
346 |
> |
time_t now; |
347 |
> |
const char *format; |
348 |
|
#endif |
349 |
+ |
#ifdef FREEBSD |
350 |
+ |
static struct statinfo stats; |
351 |
+ |
static int stats_init = 0; |
352 |
+ |
int counter; |
353 |
+ |
struct device_selection *dev_sel = NULL; |
354 |
+ |
int n_selected, n_selections; |
355 |
+ |
long sel_gen; |
356 |
+ |
struct devstat *dev_ptr; |
357 |
+ |
#endif |
358 |
+ |
#ifdef NETBSD |
359 |
+ |
struct disk_sysctl *stats; |
360 |
+ |
int num_disks, i; |
361 |
+ |
int mib[3]; |
362 |
+ |
size_t size; |
363 |
+ |
#endif |
364 |
+ |
|
365 |
|
num_diskio=0; |
366 |
|
|
367 |
+ |
#ifdef NETBSD |
368 |
+ |
mib[0] = CTL_HW; |
369 |
+ |
mib[1] = HW_DISKSTATS; |
370 |
+ |
mib[2] = sizeof(struct disk_sysctl); |
371 |
+ |
|
372 |
+ |
if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
373 |
+ |
return NULL; |
374 |
+ |
} |
375 |
+ |
num_disks = size / sizeof(struct disk_sysctl); |
376 |
+ |
|
377 |
+ |
stats = malloc(size); |
378 |
+ |
if (stats == NULL) { |
379 |
+ |
return NULL; |
380 |
+ |
} |
381 |
+ |
|
382 |
+ |
if (sysctl(mib, 3, stats, &size, NULL, 0) < 0) { |
383 |
+ |
return NULL; |
384 |
+ |
} |
385 |
+ |
|
386 |
+ |
for (i = 0; i < num_disks; i++) { |
387 |
+ |
u_int64_t rbytes, wbytes; |
388 |
+ |
|
389 |
+ |
#ifdef HAVE_DK_RBYTES |
390 |
+ |
rbytes = stats[i].dk_rbytes; |
391 |
+ |
wbytes = stats[i].dk_wbytes; |
392 |
+ |
#else |
393 |
+ |
/* Before 1.7, NetBSD merged reads and writes. */ |
394 |
+ |
rbytes = wbytes = stats[i].dk_bytes; |
395 |
+ |
#endif |
396 |
+ |
|
397 |
+ |
/* Don't keep stats for disks that have never been used. */ |
398 |
+ |
if (rbytes == 0 && wbytes == 0) { |
399 |
+ |
continue; |
400 |
+ |
} |
401 |
+ |
|
402 |
+ |
diskio_stats = diskio_stat_malloc(num_diskio + 1, |
403 |
+ |
&sizeof_diskio_stats, |
404 |
+ |
diskio_stats); |
405 |
+ |
if (diskio_stats == NULL) { |
406 |
+ |
return NULL; |
407 |
+ |
} |
408 |
+ |
diskio_stats_ptr = diskio_stats + num_diskio; |
409 |
+ |
|
410 |
+ |
diskio_stats_ptr->read_bytes = rbytes; |
411 |
+ |
diskio_stats_ptr->write_bytes = wbytes; |
412 |
+ |
if (diskio_stats_ptr->disk_name != NULL) { |
413 |
+ |
free(diskio_stats_ptr->disk_name); |
414 |
+ |
} |
415 |
+ |
diskio_stats_ptr->disk_name = strdup(stats[i].dk_name); |
416 |
+ |
diskio_stats_ptr->systime = time(NULL); |
417 |
+ |
|
418 |
+ |
num_diskio++; |
419 |
+ |
} |
420 |
+ |
|
421 |
+ |
free(stats); |
422 |
+ |
#endif |
423 |
+ |
|
424 |
+ |
#ifdef FREEBSD |
425 |
+ |
if (!stats_init) { |
426 |
+ |
stats.dinfo=malloc(sizeof(struct devinfo)); |
427 |
+ |
if(stats.dinfo==NULL) return NULL; |
428 |
+ |
bzero(stats.dinfo, sizeof(struct devinfo)); |
429 |
+ |
stats_init = 1; |
430 |
+ |
} |
431 |
+ |
#ifdef FREEBSD5 |
432 |
+ |
if ((devstat_getdevs(NULL, &stats)) < 0) return NULL; |
433 |
+ |
/* Not aware of a get all devices, so i said 999. If we ever |
434 |
+ |
* find a machine with more than 999 disks, then i'll change |
435 |
+ |
* this number :) |
436 |
+ |
*/ |
437 |
+ |
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; |
438 |
+ |
#else |
439 |
+ |
if ((getdevs(&stats)) < 0) return NULL; |
440 |
+ |
/* Not aware of a get all devices, so i said 999. If we ever |
441 |
+ |
* find a machine with more than 999 disks, then i'll change |
442 |
+ |
* this number :) |
443 |
+ |
*/ |
444 |
+ |
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; |
445 |
+ |
#endif |
446 |
+ |
|
447 |
+ |
for(counter=0;counter<stats.dinfo->numdevs;counter++){ |
448 |
+ |
dev_ptr=&stats.dinfo->devices[dev_sel[counter].position]; |
449 |
+ |
|
450 |
+ |
/* Throw away devices that have done nothing, ever.. Eg "odd" |
451 |
+ |
* devices.. like mem, proc.. and also doesn't report floppy |
452 |
+ |
* drives etc unless they are doing stuff :) |
453 |
+ |
*/ |
454 |
+ |
#ifdef FREEBSD5 |
455 |
+ |
if((dev_ptr->bytes[DEVSTAT_READ]==0) && (dev_ptr->bytes[DEVSTAT_WRITE]==0)) continue; |
456 |
+ |
#else |
457 |
+ |
if((dev_ptr->bytes_read==0) && (dev_ptr->bytes_written==0)) continue; |
458 |
+ |
#endif |
459 |
+ |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
460 |
+ |
return NULL; |
461 |
+ |
} |
462 |
+ |
diskio_stats_ptr=diskio_stats+num_diskio; |
463 |
+ |
|
464 |
+ |
#ifdef FREEBSD5 |
465 |
+ |
diskio_stats_ptr->read_bytes=dev_ptr->bytes[DEVSTAT_READ]; |
466 |
+ |
diskio_stats_ptr->write_bytes=dev_ptr->bytes[DEVSTAT_WRITE]; |
467 |
+ |
#else |
468 |
+ |
diskio_stats_ptr->read_bytes=dev_ptr->bytes_read; |
469 |
+ |
diskio_stats_ptr->write_bytes=dev_ptr->bytes_written; |
470 |
+ |
#endif |
471 |
+ |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
472 |
+ |
asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number); |
473 |
+ |
diskio_stats_ptr->systime=time(NULL); |
474 |
+ |
|
475 |
+ |
num_diskio++; |
476 |
+ |
} |
477 |
+ |
free(dev_sel); |
478 |
+ |
|
479 |
+ |
#endif |
480 |
|
#ifdef SOLARIS |
481 |
|
if ((kc = kstat_open()) == NULL) { |
482 |
|
return NULL; |
513 |
|
#endif |
514 |
|
|
515 |
|
#ifdef LINUX |
516 |
< |
f=fopen("/proc/stat", "r"); |
517 |
< |
if(f==NULL){ |
518 |
< |
*entries=0; |
519 |
< |
fclose(f); |
520 |
< |
return NULL; |
516 |
> |
num_diskio = 0; |
517 |
> |
n = 0; |
518 |
> |
|
519 |
> |
/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels |
520 |
> |
have statistics in here too, so we can use those directly. |
521 |
> |
2.6 kernels have /proc/diskstats instead with almost (but not quite) |
522 |
> |
the same format. */ |
523 |
> |
|
524 |
> |
f = fopen("/proc/diskstats", "r"); |
525 |
> |
format = " %d %d %19s %*d %*d %lld %*d %*d %*d %lld"; |
526 |
> |
if (f == NULL) { |
527 |
> |
f = fopen("/proc/partitions", "r"); |
528 |
> |
format = " %d %d %*d %19s %*d %*d %lld %*d %*d %*d %lld"; |
529 |
|
} |
530 |
< |
if((line_ptr=f_read_line(f, "disk_io:"))==NULL){ |
531 |
< |
*entries=0; |
309 |
< |
fclose(f); |
310 |
< |
return NULL; |
311 |
< |
} |
312 |
< |
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
313 |
< |
line_ptr++; |
314 |
< |
if(*line_ptr=='\0'){ |
315 |
< |
break; |
316 |
< |
} |
317 |
< |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
318 |
< |
fclose(f); |
319 |
< |
*entries=0; |
320 |
< |
return NULL; |
321 |
< |
} |
322 |
< |
diskio_stats_ptr=diskio_stats+num_diskio; |
530 |
> |
if (f == NULL) goto out; |
531 |
> |
now = time(NULL); |
532 |
|
|
533 |
+ |
while ((line_ptr = f_read_line(f, "")) != NULL) { |
534 |
+ |
char name[20]; |
535 |
+ |
char *s; |
536 |
+ |
long long rsect, wsect; |
537 |
|
|
538 |
< |
if((sscanf(line_ptr, "(%d,%d):(%*d, %*d, %lld, %*d, %lld)", \ |
539 |
< |
&major, \ |
540 |
< |
&minor, \ |
541 |
< |
&diskio_stats_ptr->read_bytes, \ |
542 |
< |
&diskio_stats_ptr->write_bytes))!=4) { |
543 |
< |
continue; |
538 |
> |
int nr = sscanf(line_ptr, format, |
539 |
> |
&major, &minor, name, &rsect, &wsect); |
540 |
> |
if (nr < 3) continue; |
541 |
> |
|
542 |
> |
/* Skip device names ending in numbers, since they're |
543 |
> |
partitions. */ |
544 |
> |
s = name; |
545 |
> |
while (*s != '\0') s++; |
546 |
> |
--s; |
547 |
> |
if (*s >= '0' && *s <= '9') continue; |
548 |
> |
|
549 |
> |
if (nr < 5) { |
550 |
> |
has_pp_stats = 0; |
551 |
> |
rsect = 0; |
552 |
> |
wsect = 0; |
553 |
|
} |
554 |
|
|
555 |
< |
/* We read the number of blocks. Blocks are stored in 512 bytes */ |
556 |
< |
diskio_stats_ptr->read_bytes=diskio_stats_ptr->read_bytes*512; |
557 |
< |
diskio_stats_ptr->write_bytes=diskio_stats_ptr->write_bytes*512; |
555 |
> |
diskio_stats = diskio_stat_malloc(n + 1, &sizeof_diskio_stats, |
556 |
> |
diskio_stats); |
557 |
> |
if (diskio_stats == NULL) goto out; |
558 |
> |
if (n >= alloc_parts) { |
559 |
> |
alloc_parts += 16; |
560 |
> |
parts = realloc(parts, alloc_parts * sizeof *parts); |
561 |
> |
if (parts == NULL) { |
562 |
> |
alloc_parts = 0; |
563 |
> |
goto out; |
564 |
> |
} |
565 |
> |
} |
566 |
|
|
567 |
< |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
567 |
> |
if (diskio_stats[n].disk_name != NULL) |
568 |
> |
free(diskio_stats[n].disk_name); |
569 |
> |
diskio_stats[n].disk_name = strdup(name); |
570 |
> |
diskio_stats[n].read_bytes = rsect * 512; |
571 |
> |
diskio_stats[n].write_bytes = wsect * 512; |
572 |
> |
diskio_stats[n].systime = now; |
573 |
> |
parts[n].major = major; |
574 |
> |
parts[n].minor = minor; |
575 |
|
|
576 |
< |
switch(major){ |
577 |
< |
case 2: |
341 |
< |
if(minor==0){ |
342 |
< |
diskio_stats_ptr->disk_name=strdup("fd0"); |
343 |
< |
} |
344 |
< |
break; |
576 |
> |
n++; |
577 |
> |
} |
578 |
|
|
579 |
< |
case 3: |
580 |
< |
if(minor==0){ |
581 |
< |
diskio_stats_ptr->disk_name=strdup("hda"); |
349 |
< |
}else{ |
350 |
< |
diskio_stats_ptr->disk_name=strdup("hdb"); |
351 |
< |
} |
352 |
< |
break; |
579 |
> |
if (!has_pp_stats) { |
580 |
> |
/* This is an older kernel without stats in /proc/partitions. |
581 |
> |
Read what we can from /proc/stat instead. */ |
582 |
|
|
583 |
+ |
f = fopen("/proc/stat", "r"); |
584 |
+ |
if (f == NULL) goto out; |
585 |
+ |
now = time(NULL); |
586 |
+ |
|
587 |
+ |
line_ptr = f_read_line(f, "disk_io:"); |
588 |
+ |
if (line_ptr == NULL) goto out; |
589 |
+ |
|
590 |
+ |
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
591 |
+ |
long long rsect, wsect; |
592 |
+ |
|
593 |
+ |
if (*++line_ptr == '\0') break; |
594 |
+ |
|
595 |
+ |
if((sscanf(line_ptr, |
596 |
+ |
"(%d,%d):(%*d, %*d, %lld, %*d, %lld)", |
597 |
+ |
&major, &minor, &rsect, &wsect)) != 4) { |
598 |
+ |
continue; |
599 |
+ |
} |
600 |
+ |
|
601 |
+ |
/* Find the corresponding device from earlier. |
602 |
+ |
Just to add to the fun, "minor" is actually the disk |
603 |
+ |
number, not the device minor, so we need to figure |
604 |
+ |
out the real minor number based on the major! |
605 |
+ |
This list is not exhaustive; if you're running |
606 |
+ |
an older kernel you probably don't have fancy |
607 |
+ |
I2O hardware anyway... */ |
608 |
+ |
switch (major) { |
609 |
+ |
case 3: |
610 |
+ |
case 21: |
611 |
|
case 22: |
612 |
< |
if(minor==0){ |
613 |
< |
diskio_stats_ptr->disk_name=strdup("hdc"); |
614 |
< |
}else{ |
615 |
< |
diskio_stats_ptr->disk_name=strdup("hdd"); |
616 |
< |
} |
612 |
> |
case 33: |
613 |
> |
case 34: |
614 |
> |
case 36: |
615 |
> |
case 56: |
616 |
> |
case 57: |
617 |
> |
case 88: |
618 |
> |
case 89: |
619 |
> |
case 90: |
620 |
> |
case 91: |
621 |
> |
minor *= 64; |
622 |
|
break; |
623 |
< |
case 8: |
624 |
< |
dev_letter='a'+(minor/16); |
363 |
< |
diskio_stats_ptr->disk_name=malloc(4); |
364 |
< |
snprintf(diskio_stats_ptr->disk_name, 4, "sd%c", dev_letter); |
623 |
> |
case 9: |
624 |
> |
case 43: |
625 |
|
break; |
626 |
|
default: |
627 |
< |
/* I have no idea what it is then :) */ |
368 |
< |
diskio_stats_ptr->disk_name=malloc(16); |
369 |
< |
snprintf(diskio_stats_ptr->disk_name, 16, "%d %d", major, minor); |
627 |
> |
minor *= 16; |
628 |
|
break; |
629 |
< |
} |
629 |
> |
} |
630 |
> |
for (i = 0; i < n; i++) { |
631 |
> |
if (major == parts[i].major |
632 |
> |
&& minor == parts[i].minor) |
633 |
> |
break; |
634 |
> |
} |
635 |
> |
if (i == n) continue; |
636 |
|
|
637 |
< |
diskio_stats_ptr->systime=time(NULL); |
638 |
< |
num_diskio++; |
637 |
> |
/* We read the number of blocks. Blocks are stored in |
638 |
> |
512 bytes */ |
639 |
> |
diskio_stats[i].read_bytes = rsect * 512; |
640 |
> |
diskio_stats[i].write_bytes = wsect * 512; |
641 |
> |
diskio_stats[i].systime = now; |
642 |
> |
} |
643 |
|
} |
644 |
< |
fclose(f); |
644 |
> |
|
645 |
> |
num_diskio = n; |
646 |
> |
out: |
647 |
> |
if (f != NULL) fclose(f); |
648 |
|
|
649 |
|
#endif |
650 |
|
*entries=num_diskio; |