147 lines
4.0 KiB
C
147 lines
4.0 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/nvpair.h>
|
|
#include <sys/fs/zfs.h>
|
|
|
|
#include <libzutil.h>
|
|
|
|
static void
|
|
dump_ddt_stat(const ddt_stat_t *dds, int h)
|
|
{
|
|
char refcnt[6];
|
|
char blocks[6], lsize[6], psize[6], dsize[6];
|
|
char ref_blocks[6], ref_lsize[6], ref_psize[6], ref_dsize[6];
|
|
|
|
if (dds == NULL || dds->dds_blocks == 0)
|
|
return;
|
|
|
|
if (h == -1)
|
|
(void) strcpy(refcnt, "Total");
|
|
else
|
|
zfs_nicenum(1ULL << h, refcnt, sizeof (refcnt));
|
|
|
|
zfs_nicenum(dds->dds_blocks, blocks, sizeof (blocks));
|
|
zfs_nicebytes(dds->dds_lsize, lsize, sizeof (lsize));
|
|
zfs_nicebytes(dds->dds_psize, psize, sizeof (psize));
|
|
zfs_nicebytes(dds->dds_dsize, dsize, sizeof (dsize));
|
|
zfs_nicenum(dds->dds_ref_blocks, ref_blocks, sizeof (ref_blocks));
|
|
zfs_nicebytes(dds->dds_ref_lsize, ref_lsize, sizeof (ref_lsize));
|
|
zfs_nicebytes(dds->dds_ref_psize, ref_psize, sizeof (ref_psize));
|
|
zfs_nicebytes(dds->dds_ref_dsize, ref_dsize, sizeof (ref_dsize));
|
|
|
|
(void) printf("%6s %6s %5s %5s %5s %6s %5s %5s %5s\n",
|
|
refcnt,
|
|
blocks, lsize, psize, dsize,
|
|
ref_blocks, ref_lsize, ref_psize, ref_dsize);
|
|
}
|
|
|
|
/*
|
|
* Print the DDT histogram and the column totals.
|
|
*/
|
|
void
|
|
zpool_dump_ddt(const ddt_stat_t *dds_total, const ddt_histogram_t *ddh)
|
|
{
|
|
int h;
|
|
|
|
(void) printf("\n");
|
|
|
|
(void) printf("bucket "
|
|
" allocated "
|
|
" referenced \n");
|
|
(void) printf("______ "
|
|
"______________________________ "
|
|
"______________________________\n");
|
|
|
|
(void) printf("%6s %6s %5s %5s %5s %6s %5s %5s %5s\n",
|
|
"refcnt",
|
|
"blocks", "LSIZE", "PSIZE", "DSIZE",
|
|
"blocks", "LSIZE", "PSIZE", "DSIZE");
|
|
|
|
(void) printf("%6s %6s %5s %5s %5s %6s %5s %5s %5s\n",
|
|
"------",
|
|
"------", "-----", "-----", "-----",
|
|
"------", "-----", "-----", "-----");
|
|
|
|
for (h = 0; h < 64; h++)
|
|
dump_ddt_stat(&ddh->ddh_stat[h], h);
|
|
|
|
dump_ddt_stat(dds_total, -1);
|
|
|
|
(void) printf("\n");
|
|
}
|
|
|
|
/*
|
|
* Process the buffer of nvlists, unpacking and storing each nvlist record
|
|
* into 'records'. 'leftover' is set to the number of bytes that weren't
|
|
* processed as there wasn't a complete record.
|
|
*/
|
|
int
|
|
zpool_history_unpack(char *buf, uint64_t bytes_read, uint64_t *leftover,
|
|
nvlist_t ***records, uint_t *numrecords)
|
|
{
|
|
uint64_t reclen;
|
|
nvlist_t *nv;
|
|
int i;
|
|
void *tmp;
|
|
|
|
while (bytes_read > sizeof (reclen)) {
|
|
|
|
/* get length of packed record (stored as little endian) */
|
|
for (i = 0, reclen = 0; i < sizeof (reclen); i++)
|
|
reclen += (uint64_t)(((uchar_t *)buf)[i]) << (8*i);
|
|
|
|
if (bytes_read < sizeof (reclen) + reclen)
|
|
break;
|
|
|
|
/* unpack record */
|
|
int err = nvlist_unpack(buf + sizeof (reclen), reclen, &nv, 0);
|
|
if (err != 0)
|
|
return (err);
|
|
bytes_read -= sizeof (reclen) + reclen;
|
|
buf += sizeof (reclen) + reclen;
|
|
|
|
/* add record to nvlist array */
|
|
(*numrecords)++;
|
|
if (ISP2(*numrecords + 1)) {
|
|
tmp = realloc(*records,
|
|
*numrecords * 2 * sizeof (nvlist_t *));
|
|
if (tmp == NULL) {
|
|
nvlist_free(nv);
|
|
(*numrecords)--;
|
|
return (ENOMEM);
|
|
}
|
|
*records = tmp;
|
|
}
|
|
(*records)[*numrecords - 1] = nv;
|
|
}
|
|
|
|
*leftover = bytes_read;
|
|
return (0);
|
|
}
|