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/* |
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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2003 i-scream |
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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 |
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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 |
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* modify it under the terms of the GNU Lesser General Public |
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* 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. |
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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 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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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 |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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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 |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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* 02111-1307 USA |
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* |
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* $Id$ |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include <sys/ucred.h> |
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#include <sys/mount.h> |
63 |
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#endif |
64 |
< |
#ifdef FREEBSD |
64 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
65 |
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#include <sys/dkstat.h> |
66 |
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#include <devstat.h> |
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#define VALID_FS_TYPES {"hpfs", "msdosfs", "ntfs", "udf", "ext2fs", \ |
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"ufs", "mfs"} |
69 |
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#endif |
70 |
< |
#ifdef NETBSD |
70 |
> |
#if defined(NETBSD) || defined(OPENBSD) |
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#include <sys/param.h> |
72 |
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#include <sys/sysctl.h> |
73 |
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#include <sys/disk.h> |
349 |
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time_t now; |
350 |
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const char *format; |
351 |
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#endif |
352 |
< |
#ifdef FREEBSD |
352 |
> |
#if defined(FREEBSD) || defined(DFBSD) |
353 |
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static struct statinfo stats; |
354 |
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static int stats_init = 0; |
355 |
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int counter; |
360 |
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#endif |
361 |
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#ifdef NETBSD |
362 |
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struct disk_sysctl *stats; |
363 |
+ |
#endif |
364 |
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#ifdef OPENBSD |
365 |
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int diskcount; |
366 |
+ |
char *disknames, *name, *bufpp; |
367 |
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char **dk_name; |
368 |
+ |
struct diskstats *stats; |
369 |
+ |
#endif |
370 |
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#ifdef NETBSD |
371 |
+ |
#define MIBSIZE 3 |
372 |
+ |
#endif |
373 |
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#ifdef OPENBSD |
374 |
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#define MIBSIZE 2 |
375 |
+ |
#endif |
376 |
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#if defined(NETBSD) || defined(OPENBSD) |
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int num_disks, i; |
378 |
< |
int mib[3]; |
378 |
> |
int mib[MIBSIZE]; |
379 |
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size_t size; |
380 |
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#endif |
381 |
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|
382 |
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num_diskio=0; |
383 |
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|
384 |
< |
#ifdef NETBSD |
384 |
> |
#ifdef OPENBSD |
385 |
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mib[0] = CTL_HW; |
386 |
+ |
mib[1] = HW_DISKCOUNT; |
387 |
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|
388 |
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size = sizeof(diskcount); |
389 |
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if (sysctl(mib, MIBSIZE, &diskcount, &size, NULL, 0) < 0) { |
390 |
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return NULL; |
391 |
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} |
392 |
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|
393 |
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mib[0] = CTL_HW; |
394 |
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mib[1] = HW_DISKNAMES; |
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|
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if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
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return NULL; |
398 |
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} |
399 |
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|
400 |
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disknames = malloc(size); |
401 |
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if (disknames == NULL) { |
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return NULL; |
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} |
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|
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if (sysctl(mib, MIBSIZE, disknames, &size, NULL, 0) < 0) { |
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return NULL; |
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} |
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|
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dk_name = calloc(diskcount, sizeof(char *)); |
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bufpp = disknames; |
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for (i = 0; i < diskcount && (name = strsep(&bufpp, ",")) != NULL; i++) { |
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dk_name[i] = name; |
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} |
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#endif |
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|
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#if defined(NETBSD) || defined(OPENBSD) |
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mib[0] = CTL_HW; |
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mib[1] = HW_DISKSTATS; |
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#ifdef NETBSD |
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mib[2] = sizeof(struct disk_sysctl); |
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#endif |
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|
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if (sysctl(mib, 3, NULL, &size, NULL, 0) < 0) { |
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if (sysctl(mib, MIBSIZE, NULL, &size, NULL, 0) < 0) { |
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return NULL; |
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} |
426 |
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|
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#ifdef NETBSD |
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num_disks = size / sizeof(struct disk_sysctl); |
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#else |
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num_disks = size / sizeof(struct diskstats); |
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#endif |
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|
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stats = malloc(size); |
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if (stats == NULL) { |
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return NULL; |
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} |
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|
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if (sysctl(mib, 3, stats, &size, NULL, 0) < 0) { |
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if (sysctl(mib, MIBSIZE, stats, &size, NULL, 0) < 0) { |
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return NULL; |
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} |
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|
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for (i = 0; i < num_disks; i++) { |
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u_int64_t rbytes, wbytes; |
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|
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#ifdef NETBSD |
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#ifdef HAVE_DK_RBYTES |
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rbytes = stats[i].dk_rbytes; |
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wbytes = stats[i].dk_wbytes; |
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/* Before 1.7, NetBSD merged reads and writes. */ |
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rbytes = wbytes = stats[i].dk_bytes; |
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#endif |
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#else |
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rbytes = wbytes = stats[i].ds_bytes; |
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#endif |
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|
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/* Don't keep stats for disks that have never been used. */ |
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if (rbytes == 0 && wbytes == 0) { |
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if (diskio_stats_ptr->disk_name != NULL) { |
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free(diskio_stats_ptr->disk_name); |
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} |
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#ifdef NETBSD |
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diskio_stats_ptr->disk_name = strdup(stats[i].dk_name); |
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#else |
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diskio_stats_ptr->disk_name = strdup(dk_name[i]); |
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#endif |
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diskio_stats_ptr->systime = time(NULL); |
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|
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num_diskio++; |
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} |
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|
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free(stats); |
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#ifdef OPENBSD |
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free(dk_name); |
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free(disknames); |
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#endif |
490 |
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#endif |
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|
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#ifdef FREEBSD |
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#if defined(FREEBSD) || defined(DFBSD) |
493 |
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if (!stats_init) { |
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stats.dinfo=malloc(sizeof(struct devinfo)); |
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if(stats.dinfo==NULL) return NULL; |
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the same format. */ |
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|
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f = fopen("/proc/diskstats", "r"); |
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format = " %d %d %19s %*d %*d %lld %*d %*d %*d %lld"; |
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format = " %d %d %99s %*d %*d %lld %*d %*d %*d %lld"; |
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if (f == NULL) { |
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f = fopen("/proc/partitions", "r"); |
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format = " %d %d %*d %19s %*d %*d %lld %*d %*d %*d %lld"; |
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format = " %d %d %*d %99s %*d %*d %lld %*d %*d %*d %lld"; |
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} |
598 |
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if (f == NULL) goto out; |
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now = time(NULL); |
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|
601 |
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while ((line_ptr = f_read_line(f, "")) != NULL) { |
602 |
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char name[20]; |
602 |
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char name[100]; |
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char *s; |
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long long rsect, wsect; |
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729 |
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} |
730 |
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731 |
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diskio_stat_t *get_diskio_stats_diff(int *entries){ |
732 |
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static diskio_stat_t *diskio_stats_diff=NULL; |
733 |
< |
static int sizeof_diskio_stats_diff=0; |
734 |
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diskio_stat_t *diskio_stats_diff_ptr, *diskio_stats_ptr; |
735 |
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int disks, x, y; |
732 |
> |
static diskio_stat_t *diff = NULL; |
733 |
> |
static int diff_count = 0; |
734 |
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diskio_stat_t *src = NULL, *dest; |
735 |
> |
int i, j, new_count; |
736 |
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|
737 |
< |
if(diskio_stats==NULL){ |
738 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
739 |
< |
*entries=disks; |
672 |
< |
return diskio_stats_ptr; |
737 |
> |
if (diskio_stats == NULL) { |
738 |
> |
/* No previous stats, so we can't calculate a difference. */ |
739 |
> |
return get_diskio_stats(entries); |
740 |
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} |
741 |
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|
742 |
< |
diskio_stats_diff=diskio_stat_malloc(num_diskio, &sizeof_diskio_stats_diff, diskio_stats_diff); |
743 |
< |
if(diskio_stats_diff==NULL){ |
742 |
> |
/* Resize the results array to match the previous stats. */ |
743 |
> |
diff = diskio_stat_malloc(num_diskio, &diff_count, diff); |
744 |
> |
if (diff == NULL) { |
745 |
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return NULL; |
746 |
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} |
747 |
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|
748 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
749 |
< |
diskio_stats_ptr=diskio_stats; |
748 |
> |
/* Copy the previous stats into the result. */ |
749 |
> |
for (i = 0; i < diff_count; i++) { |
750 |
> |
src = &diskio_stats[i]; |
751 |
> |
dest = &diff[i]; |
752 |
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|
753 |
< |
for(disks=0;disks<num_diskio;disks++){ |
754 |
< |
if(diskio_stats_diff_ptr->disk_name!=NULL){ |
685 |
< |
free(diskio_stats_diff_ptr->disk_name); |
753 |
> |
if (dest->disk_name != NULL) { |
754 |
> |
free(dest->disk_name); |
755 |
|
} |
756 |
< |
diskio_stats_diff_ptr->disk_name=strdup(diskio_stats_ptr->disk_name); |
757 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes; |
758 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes; |
759 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime; |
756 |
> |
dest->disk_name = strdup(src->disk_name); |
757 |
> |
dest->read_bytes = src->read_bytes; |
758 |
> |
dest->write_bytes = src->write_bytes; |
759 |
> |
dest->systime = src->systime; |
760 |
> |
} |
761 |
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|
762 |
< |
diskio_stats_diff_ptr++; |
763 |
< |
diskio_stats_ptr++; |
762 |
> |
/* Get a new set of stats. */ |
763 |
> |
if (get_diskio_stats(&new_count) == NULL) { |
764 |
> |
return NULL; |
765 |
|
} |
766 |
|
|
767 |
< |
diskio_stats_ptr=get_diskio_stats(&disks); |
768 |
< |
diskio_stats_diff_ptr=diskio_stats_diff; |
767 |
> |
/* For each previous stat... */ |
768 |
> |
for (i = 0; i < diff_count; i++) { |
769 |
> |
dest = &diff[i]; |
770 |
|
|
771 |
< |
for(x=0;x<sizeof_diskio_stats_diff;x++){ |
772 |
< |
|
773 |
< |
if((strcmp(diskio_stats_diff_ptr->disk_name, diskio_stats_ptr->disk_name))==0){ |
774 |
< |
diskio_stats_diff_ptr->read_bytes=diskio_stats_ptr->read_bytes-diskio_stats_diff_ptr->read_bytes; |
775 |
< |
diskio_stats_diff_ptr->write_bytes=diskio_stats_ptr->write_bytes-diskio_stats_diff_ptr->write_bytes; |
776 |
< |
diskio_stats_diff_ptr->systime=diskio_stats_ptr->systime-diskio_stats_diff_ptr->systime; |
777 |
< |
}else{ |
706 |
< |
diskio_stats_ptr=diskio_stats; |
707 |
< |
for(y=0;y<disks;y++){ |
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 |
< |
|
713 |
< |
break; |
714 |
< |
} |
715 |
< |
|
716 |
< |
diskio_stats_ptr++; |
771 |
> |
/* ... find the corresponding new stat ... */ |
772 |
> |
for (j = 0; j < new_count; j++) { |
773 |
> |
/* Try the new stat in the same position first, |
774 |
> |
since that's most likely to be it. */ |
775 |
> |
src = &diskio_stats[(i + j) % new_count]; |
776 |
> |
if (strcmp(src->disk_name, dest->disk_name) == 0) { |
777 |
> |
break; |
778 |
|
} |
779 |
|
} |
780 |
+ |
if (j == new_count) { |
781 |
+ |
/* No match found. */ |
782 |
+ |
continue; |
783 |
+ |
} |
784 |
|
|
785 |
< |
diskio_stats_ptr++; |
786 |
< |
diskio_stats_diff_ptr++; |
787 |
< |
|
785 |
> |
/* ... and subtract the previous stat from it to get the |
786 |
> |
difference. */ |
787 |
> |
dest->read_bytes = src->read_bytes - dest->read_bytes; |
788 |
> |
dest->write_bytes = src->write_bytes - dest->write_bytes; |
789 |
> |
dest->systime = src->systime - dest->systime; |
790 |
|
} |
791 |
< |
|
792 |
< |
*entries=sizeof_diskio_stats_diff; |
793 |
< |
return diskio_stats_diff; |
791 |
> |
|
792 |
> |
*entries = diff_count; |
793 |
> |
return diff; |
794 |
|
} |
795 |
+ |
|