35 |
|
#endif |
36 |
|
|
37 |
|
#ifdef LINUX |
38 |
+ |
#include <time.h> |
39 |
|
#include <sys/vfs.h> |
40 |
|
#include <mntent.h> |
41 |
|
#include "tools.h" |
42 |
< |
#define VALID_FS_TYPES {"ext2", "ext3", "xfs", "reiserfs", "vfat", "tmpfs"} |
42 |
> |
#define VALID_FS_TYPES {"adfs", "affs", "befs", "bfs", "efs", "ext2", \ |
43 |
> |
"ext3", "vxfs", "hfs", "hfsplus", "hpfs", "jffs", \ |
44 |
> |
"jffs2", "minix", "msdos", "ntfs", "qnx4", "ramfs", \ |
45 |
> |
"rootfs", "reiserfs", "sysv", "v7", "udf", "ufs", \ |
46 |
> |
"umsdos", "vfat", "xfs", "jfs"} |
47 |
|
#endif |
48 |
|
|
49 |
< |
#ifdef FREEBSD |
49 |
> |
#ifdef ALLBSD |
50 |
|
#include <sys/param.h> |
51 |
|
#include <sys/ucred.h> |
52 |
|
#include <sys/mount.h> |
53 |
+ |
#define VALID_FS_TYPES {"ufs", "mfs", "ffs"} |
54 |
+ |
#endif |
55 |
+ |
#ifdef FREEBSD |
56 |
|
#include <sys/dkstat.h> |
57 |
|
#include <devstat.h> |
50 |
– |
#define VALID_FS_TYPES {"ufs", "mfs"} |
58 |
|
#endif |
59 |
+ |
#ifdef NETBSD |
60 |
+ |
#include <sys/param.h> |
61 |
+ |
#include <sys/sysctl.h> |
62 |
+ |
#include <sys/disk.h> |
63 |
+ |
#endif |
64 |
+ |
|
65 |
|
#define START_VAL 1 |
66 |
|
|
67 |
|
char *copy_string(char *orig_ptr, const char *newtext){ |
110 |
|
struct mntent *mp; |
111 |
|
struct statfs fs; |
112 |
|
#endif |
113 |
< |
#ifdef FREEBSD |
113 |
> |
#ifdef ALLBSD |
114 |
|
int nummnt; |
115 |
|
struct statfs *mp; |
116 |
|
#endif |
123 |
|
watermark=START_VAL; |
124 |
|
init_disk_stat(0, watermark-1, disk_stats); |
125 |
|
} |
126 |
< |
#ifdef FREEBSD |
126 |
> |
#ifdef ALLBSD |
127 |
|
nummnt=getmntinfo(&mp , MNT_LOCAL); |
128 |
|
if (nummnt<=0){ |
129 |
|
return NULL; |
187 |
|
} |
188 |
|
|
189 |
|
disk_ptr=disk_stats+num_disks; |
190 |
< |
#ifdef FREEBSD |
190 |
> |
#ifdef ALLBSD |
191 |
|
if((disk_ptr->device_name=copy_string(disk_ptr->device_name, mp->f_mntfromname))==NULL){ |
192 |
|
return NULL; |
193 |
|
} |
309 |
|
static diskio_stat_t *diskio_stats=NULL; |
310 |
|
static int num_diskio=0; |
311 |
|
|
312 |
+ |
#ifdef LINUX |
313 |
+ |
typedef struct { |
314 |
+ |
int major; |
315 |
+ |
int minor; |
316 |
+ |
} partition; |
317 |
+ |
#endif |
318 |
+ |
|
319 |
|
diskio_stat_t *get_diskio_stats(int *entries){ |
320 |
|
|
321 |
|
static int sizeof_diskio_stats=0; |
331 |
|
char *line_ptr; |
332 |
|
int major, minor; |
333 |
|
char dev_letter; |
334 |
+ |
int has_pp_stats = 1; |
335 |
+ |
static partition *parts = NULL; |
336 |
+ |
static int alloc_parts = 0; |
337 |
+ |
int i, n; |
338 |
+ |
time_t now; |
339 |
|
#endif |
340 |
|
#ifdef FREEBSD |
341 |
< |
struct statinfo stats; |
341 |
> |
static struct statinfo stats; |
342 |
> |
static int stats_init = 0; |
343 |
|
int counter; |
344 |
|
struct device_selection *dev_sel = NULL; |
345 |
|
int n_selected, n_selections; |
346 |
|
long sel_gen; |
347 |
|
struct devstat *dev_ptr; |
348 |
|
#endif |
349 |
+ |
#ifdef NETBSD |
350 |
+ |
struct disk_sysctl *stats; |
351 |
+ |
int num_disks, i; |
352 |
+ |
int mib[3]; |
353 |
+ |
size_t size; |
354 |
+ |
#endif |
355 |
+ |
|
356 |
|
num_diskio=0; |
357 |
|
|
358 |
+ |
#ifdef NETBSD |
359 |
+ |
mib[0] = CTL_HW; |
360 |
+ |
mib[1] = HW_DISKSTATS; |
361 |
+ |
mib[2] = sizeof(struct disk_sysctl); |
362 |
+ |
|
363 |
+ |
if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
364 |
+ |
return NULL; |
365 |
+ |
} |
366 |
+ |
num_disks = size / sizeof(struct disk_sysctl); |
367 |
+ |
|
368 |
+ |
stats = malloc(size); |
369 |
+ |
if (stats == NULL) { |
370 |
+ |
return NULL; |
371 |
+ |
} |
372 |
+ |
|
373 |
+ |
if (sysctl(mib, 3, stats, &size, NULL, 0) < 0) { |
374 |
+ |
return NULL; |
375 |
+ |
} |
376 |
+ |
|
377 |
+ |
for (i = 0; i < num_disks; i++) { |
378 |
+ |
u_int64_t rbytes, wbytes; |
379 |
+ |
|
380 |
+ |
#ifdef HAVE_DK_RBYTES |
381 |
+ |
rbytes = stats[i].dk_rbytes; |
382 |
+ |
wbytes = stats[i].dk_wbytes; |
383 |
+ |
#else |
384 |
+ |
/* Before 1.6.1, NetBSD merged reads and writes. */ |
385 |
+ |
rbytes = wbytes = stats[i].dk_bytes; |
386 |
+ |
#endif |
387 |
+ |
|
388 |
+ |
/* Don't keep stats for disks that have never been used. */ |
389 |
+ |
if (rbytes == 0 && wbytes == 0) { |
390 |
+ |
continue; |
391 |
+ |
} |
392 |
+ |
|
393 |
+ |
diskio_stats = diskio_stat_malloc(num_diskio + 1, |
394 |
+ |
&sizeof_diskio_stats, |
395 |
+ |
diskio_stats); |
396 |
+ |
if (diskio_stats == NULL) { |
397 |
+ |
return NULL; |
398 |
+ |
} |
399 |
+ |
diskio_stats_ptr = diskio_stats + num_diskio; |
400 |
+ |
|
401 |
+ |
diskio_stats_ptr->read_bytes = rbytes; |
402 |
+ |
diskio_stats_ptr->write_bytes = wbytes; |
403 |
+ |
if (diskio_stats_ptr->disk_name != NULL) { |
404 |
+ |
free(diskio_stats_ptr->disk_name); |
405 |
+ |
} |
406 |
+ |
diskio_stats_ptr->disk_name = strdup(stats[i].dk_name); |
407 |
+ |
diskio_stats_ptr->systime = time(NULL); |
408 |
+ |
|
409 |
+ |
num_diskio++; |
410 |
+ |
} |
411 |
+ |
|
412 |
+ |
free(stats); |
413 |
+ |
#endif |
414 |
+ |
|
415 |
|
#ifdef FREEBSD |
416 |
< |
stats.dinfo=malloc(sizeof(struct devinfo)); |
417 |
< |
if(stats.dinfo==NULL) return NULL; |
416 |
> |
if (!stats_init) { |
417 |
> |
stats.dinfo=malloc(sizeof(struct devinfo)); |
418 |
> |
if(stats.dinfo==NULL) return NULL; |
419 |
> |
bzero(stats.dinfo, sizeof(struct devinfo)); |
420 |
> |
stats_init = 1; |
421 |
> |
} |
422 |
> |
#ifdef FREEBSD5 |
423 |
> |
if ((devstat_getdevs(NULL, &stats)) < 0) return NULL; |
424 |
> |
/* Not aware of a get all devices, so i said 999. If we ever |
425 |
> |
* find a machine with more than 999 disks, then i'll change |
426 |
> |
* this number :) |
427 |
> |
*/ |
428 |
> |
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; |
429 |
> |
#else |
430 |
|
if ((getdevs(&stats)) < 0) return NULL; |
431 |
|
/* Not aware of a get all devices, so i said 999. If we ever |
432 |
|
* find a machine with more than 999 disks, then i'll change |
433 |
|
* this number :) |
434 |
|
*/ |
435 |
|
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; |
436 |
+ |
#endif |
437 |
|
|
438 |
|
for(counter=0;counter<stats.dinfo->numdevs;counter++){ |
439 |
|
dev_ptr=&stats.dinfo->devices[dev_sel[counter].position]; |
442 |
|
* devices.. like mem, proc.. and also doesn't report floppy |
443 |
|
* drives etc unless they are doing stuff :) |
444 |
|
*/ |
445 |
+ |
#ifdef FREEBSD5 |
446 |
+ |
if((dev_ptr->bytes[DEVSTAT_READ]==0) && (dev_ptr->bytes[DEVSTAT_WRITE]==0)) continue; |
447 |
+ |
#else |
448 |
|
if((dev_ptr->bytes_read==0) && (dev_ptr->bytes_written==0)) continue; |
449 |
+ |
#endif |
450 |
|
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
451 |
|
return NULL; |
452 |
|
} |
453 |
|
diskio_stats_ptr=diskio_stats+num_diskio; |
454 |
< |
|
454 |
> |
|
455 |
> |
#ifdef FREEBSD5 |
456 |
> |
diskio_stats_ptr->read_bytes=dev_ptr->bytes[DEVSTAT_READ]; |
457 |
> |
diskio_stats_ptr->write_bytes=dev_ptr->bytes[DEVSTAT_WRITE]; |
458 |
> |
#else |
459 |
|
diskio_stats_ptr->read_bytes=dev_ptr->bytes_read; |
460 |
|
diskio_stats_ptr->write_bytes=dev_ptr->bytes_written; |
461 |
+ |
#endif |
462 |
|
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
463 |
|
asprintf((&diskio_stats_ptr->disk_name), "%s%d", dev_ptr->device_name, dev_ptr->unit_number); |
464 |
|
diskio_stats_ptr->systime=time(NULL); |
466 |
|
num_diskio++; |
467 |
|
} |
468 |
|
free(dev_sel); |
357 |
– |
free(stats.dinfo); |
469 |
|
|
470 |
|
#endif |
471 |
|
#ifdef SOLARIS |
504 |
|
#endif |
505 |
|
|
506 |
|
#ifdef LINUX |
507 |
< |
f=fopen("/proc/stat", "r"); |
508 |
< |
if(f==NULL){ |
509 |
< |
*entries=0; |
510 |
< |
return NULL; |
511 |
< |
} |
512 |
< |
if((line_ptr=f_read_line(f, "disk_io:"))==NULL){ |
513 |
< |
*entries=0; |
514 |
< |
fclose(f); |
515 |
< |
return NULL; |
516 |
< |
} |
517 |
< |
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
518 |
< |
line_ptr++; |
519 |
< |
if(*line_ptr=='\0'){ |
520 |
< |
break; |
507 |
> |
num_diskio = 0; |
508 |
> |
n = 0; |
509 |
> |
|
510 |
> |
/* Read /proc/partitions to find what devices exist. Recent 2.4 kernels |
511 |
> |
have statistics in here too, so we can use those directly. */ |
512 |
> |
|
513 |
> |
f = fopen("/proc/partitions", "r"); |
514 |
> |
if (f == NULL) goto out; |
515 |
> |
now = time(NULL); |
516 |
> |
|
517 |
> |
while ((line_ptr = f_read_line(f, "")) != NULL) { |
518 |
> |
char name[20]; |
519 |
> |
char *s; |
520 |
> |
long long rsect, wsect; |
521 |
> |
|
522 |
> |
int nr = sscanf(line_ptr, |
523 |
> |
" %d %d %*d %19s %*d %*d %lld %*d %*d %*d %lld", |
524 |
> |
&major, &minor, name, &rsect, &wsect); |
525 |
> |
if (nr < 3) continue; |
526 |
> |
if (nr < 5) { |
527 |
> |
has_pp_stats = 0; |
528 |
> |
rsect = 0; |
529 |
> |
wsect = 0; |
530 |
|
} |
411 |
– |
if((diskio_stats=diskio_stat_malloc(num_diskio+1, &sizeof_diskio_stats, diskio_stats))==NULL){ |
412 |
– |
fclose(f); |
413 |
– |
*entries=0; |
414 |
– |
return NULL; |
415 |
– |
} |
416 |
– |
diskio_stats_ptr=diskio_stats+num_diskio; |
531 |
|
|
532 |
+ |
/* Skip device names ending in numbers, since they're |
533 |
+ |
partitions. */ |
534 |
+ |
s = name; |
535 |
+ |
while (*s != '\0') s++; |
536 |
+ |
--s; |
537 |
+ |
if (*s >= '0' && *s <= '9') continue; |
538 |
|
|
539 |
< |
if((sscanf(line_ptr, "(%d,%d):(%*d, %*d, %lld, %*d, %lld)", \ |
540 |
< |
&major, \ |
541 |
< |
&minor, \ |
542 |
< |
&diskio_stats_ptr->read_bytes, \ |
543 |
< |
&diskio_stats_ptr->write_bytes))!=4) { |
544 |
< |
continue; |
539 |
> |
diskio_stats = diskio_stat_malloc(n + 1, &sizeof_diskio_stats, |
540 |
> |
diskio_stats); |
541 |
> |
if (diskio_stats == NULL) goto out; |
542 |
> |
if (n >= alloc_parts) { |
543 |
> |
alloc_parts += 16; |
544 |
> |
parts = realloc(parts, alloc_parts * sizeof *parts); |
545 |
> |
if (parts == NULL) { |
546 |
> |
alloc_parts = 0; |
547 |
> |
goto out; |
548 |
> |
} |
549 |
|
} |
550 |
|
|
551 |
< |
/* We read the number of blocks. Blocks are stored in 512 bytes */ |
552 |
< |
diskio_stats_ptr->read_bytes=diskio_stats_ptr->read_bytes*512; |
553 |
< |
diskio_stats_ptr->write_bytes=diskio_stats_ptr->write_bytes*512; |
551 |
> |
if (diskio_stats[n].disk_name != NULL) |
552 |
> |
free(diskio_stats[n].disk_name); |
553 |
> |
diskio_stats[n].disk_name = strdup(name); |
554 |
> |
diskio_stats[n].read_bytes = rsect * 512; |
555 |
> |
diskio_stats[n].write_bytes = wsect * 512; |
556 |
> |
diskio_stats[n].systime = now; |
557 |
> |
parts[n].major = major; |
558 |
> |
parts[n].minor = minor; |
559 |
|
|
560 |
< |
if(diskio_stats_ptr->disk_name!=NULL) free(diskio_stats_ptr->disk_name); |
560 |
> |
n++; |
561 |
> |
} |
562 |
|
|
563 |
< |
switch(major){ |
564 |
< |
case 2: |
565 |
< |
if(minor==0){ |
436 |
< |
diskio_stats_ptr->disk_name=strdup("fd0"); |
437 |
< |
} |
438 |
< |
break; |
563 |
> |
if (!has_pp_stats) { |
564 |
> |
/* This is an older kernel without stats in /proc/partitions. |
565 |
> |
Read what we can from /proc/stat instead. */ |
566 |
|
|
567 |
< |
case 3: |
568 |
< |
if(minor==0){ |
569 |
< |
diskio_stats_ptr->disk_name=strdup("hda"); |
570 |
< |
}else{ |
571 |
< |
diskio_stats_ptr->disk_name=strdup("hdb"); |
572 |
< |
} |
573 |
< |
break; |
567 |
> |
f = fopen("/proc/stat", "r"); |
568 |
> |
if (f == NULL) goto out; |
569 |
> |
now = time(NULL); |
570 |
> |
|
571 |
> |
line_ptr = f_read_line(f, "disk_io:"); |
572 |
> |
if (line_ptr == NULL) goto out; |
573 |
> |
|
574 |
> |
while((line_ptr=strchr(line_ptr, ' '))!=NULL){ |
575 |
> |
long long rsect, wsect; |
576 |
|
|
577 |
+ |
if (*++line_ptr == '\0') break; |
578 |
+ |
|
579 |
+ |
if((sscanf(line_ptr, |
580 |
+ |
"(%d,%d):(%*d, %*d, %lld, %*d, %lld)", |
581 |
+ |
&major, &minor, &rsect, &wsect)) != 4) { |
582 |
+ |
continue; |
583 |
+ |
} |
584 |
+ |
|
585 |
+ |
/* Find the corresponding device from earlier. |
586 |
+ |
Just to add to the fun, "minor" is actually the disk |
587 |
+ |
number, not the device minor, so we need to figure |
588 |
+ |
out the real minor number based on the major! |
589 |
+ |
This list is not exhaustive; if you're running |
590 |
+ |
an older kernel you probably don't have fancy |
591 |
+ |
I2O hardware anyway... */ |
592 |
+ |
switch (major) { |
593 |
+ |
case 3: |
594 |
+ |
case 21: |
595 |
|
case 22: |
596 |
< |
if(minor==0){ |
597 |
< |
diskio_stats_ptr->disk_name=strdup("hdc"); |
598 |
< |
}else{ |
599 |
< |
diskio_stats_ptr->disk_name=strdup("hdd"); |
600 |
< |
} |
596 |
> |
case 33: |
597 |
> |
case 34: |
598 |
> |
case 36: |
599 |
> |
case 56: |
600 |
> |
case 57: |
601 |
> |
case 88: |
602 |
> |
case 89: |
603 |
> |
case 90: |
604 |
> |
case 91: |
605 |
> |
minor *= 64; |
606 |
|
break; |
607 |
< |
case 8: |
608 |
< |
dev_letter='a'+(minor/16); |
457 |
< |
diskio_stats_ptr->disk_name=malloc(4); |
458 |
< |
snprintf(diskio_stats_ptr->disk_name, 4, "sd%c", dev_letter); |
607 |
> |
case 9: |
608 |
> |
case 43: |
609 |
|
break; |
610 |
|
default: |
611 |
< |
/* I have no idea what it is then :) */ |
462 |
< |
diskio_stats_ptr->disk_name=malloc(16); |
463 |
< |
snprintf(diskio_stats_ptr->disk_name, 16, "%d %d", major, minor); |
611 |
> |
minor *= 16; |
612 |
|
break; |
613 |
< |
} |
613 |
> |
} |
614 |
> |
for (i = 0; i < n; i++) { |
615 |
> |
if (major == parts[i].major |
616 |
> |
&& minor == parts[i].minor) |
617 |
> |
break; |
618 |
> |
} |
619 |
> |
if (i == n) continue; |
620 |
|
|
621 |
< |
diskio_stats_ptr->systime=time(NULL); |
622 |
< |
num_diskio++; |
621 |
> |
/* We read the number of blocks. Blocks are stored in |
622 |
> |
512 bytes */ |
623 |
> |
diskio_stats[i].read_bytes = rsect * 512; |
624 |
> |
diskio_stats[i].write_bytes = wsect * 512; |
625 |
> |
diskio_stats[i].systime = now; |
626 |
> |
} |
627 |
|
} |
628 |
|
|
629 |
< |
fclose(f); |
629 |
> |
num_diskio = n; |
630 |
> |
out: |
631 |
> |
if (f != NULL) fclose(f); |
632 |
|
|
633 |
|
#endif |
634 |
|
*entries=num_diskio; |