50 |
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#include <sys/param.h> |
51 |
|
#include <sys/ucred.h> |
52 |
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#include <sys/mount.h> |
53 |
– |
#define VALID_FS_TYPES {"ufs", "mfs", "ffs"} |
53 |
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#endif |
54 |
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#ifdef FREEBSD |
55 |
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#include <sys/dkstat.h> |
56 |
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#include <devstat.h> |
57 |
+ |
#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
58 |
+ |
"ufs", "mfs"} |
59 |
|
#endif |
60 |
+ |
#ifdef NETBSD |
61 |
+ |
#include <sys/param.h> |
62 |
+ |
#include <sys/sysctl.h> |
63 |
+ |
#include <sys/disk.h> |
64 |
+ |
#define VALID_FS_TYPES {"ffs", "mfs", "msdos", "lfs", "adosfs", "ext2fs", \ |
65 |
+ |
"ntfs"} |
66 |
+ |
#endif |
67 |
|
|
68 |
|
#define START_VAL 1 |
69 |
|
|
322 |
|
diskio_stat_t *get_diskio_stats(int *entries){ |
323 |
|
|
324 |
|
static int sizeof_diskio_stats=0; |
325 |
+ |
#ifndef LINUX |
326 |
|
diskio_stat_t *diskio_stats_ptr; |
327 |
+ |
#endif |
328 |
|
|
329 |
|
#ifdef SOLARIS |
330 |
|
kstat_ctl_t *kc; |
335 |
|
FILE *f; |
336 |
|
char *line_ptr; |
337 |
|
int major, minor; |
328 |
– |
char dev_letter; |
338 |
|
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 |
+ |
const char *format; |
344 |
|
#endif |
345 |
|
#ifdef FREEBSD |
346 |
|
static struct statinfo stats; |
352 |
|
struct devstat *dev_ptr; |
353 |
|
#endif |
354 |
|
#ifdef NETBSD |
355 |
< |
/* FIXME get_diskio_stats NYI on NetBSD. |
356 |
< |
* See vmstat/dkstats.c in NetBSD source for examples. |
357 |
< |
*/ |
355 |
> |
struct disk_sysctl *stats; |
356 |
> |
int num_disks, i; |
357 |
> |
int mib[3]; |
358 |
> |
size_t size; |
359 |
|
#endif |
360 |
+ |
|
361 |
|
num_diskio=0; |
362 |
|
|
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 |
+ |
/* Before 1.7, NetBSD merged reads and writes. */ |
390 |
+ |
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 |
+ |
|
420 |
|
#ifdef FREEBSD |
421 |
|
if (!stats_init) { |
422 |
|
stats.dinfo=malloc(sizeof(struct devinfo)); |
513 |
|
n = 0; |
514 |
|
|
515 |
|
/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels |
516 |
< |
have statistics in here too, so we can use those directly. */ |
516 |
> |
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/partitions", "r"); |
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 |
|
if (f == NULL) goto out; |
527 |
|
now = time(NULL); |
528 |
|
|
531 |
|
char *s; |
532 |
|
long long rsect, wsect; |
533 |
|
|
534 |
< |
int nr = sscanf(line_ptr, |
459 |
< |
" %d %d %*d %19s %*d %*d %lld %*d %*d %*d %lld", |
534 |
> |
int nr = sscanf(line_ptr, format, |
535 |
|
&major, &minor, name, &rsect, &wsect); |
536 |
|
if (nr < 3) continue; |
462 |
– |
if (nr < 5) { |
463 |
– |
has_pp_stats = 0; |
464 |
– |
rsect = 0; |
465 |
– |
wsect = 0; |
466 |
– |
} |
537 |
|
|
538 |
|
/* Skip device names ending in numbers, since they're |
539 |
|
partitions. */ |
541 |
|
while (*s != '\0') s++; |
542 |
|
--s; |
543 |
|
if (*s >= '0' && *s <= '9') continue; |
544 |
+ |
|
545 |
+ |
if (nr < 5) { |
546 |
+ |
has_pp_stats = 0; |
547 |
+ |
rsect = 0; |
548 |
+ |
wsect = 0; |
549 |
+ |
} |
550 |
|
|
551 |
|
diskio_stats = diskio_stat_malloc(n + 1, &sizeof_diskio_stats, |
552 |
|
diskio_stats); |