f0a75d274a
ZFS file system was ported from OpenSolaris operating system. The code in under CDDL license. I'd like to thank all SUN developers that created this great piece of software. Supported by: Wheel LTD (http://www.wheel.pl/) Supported by: The FreeBSD Foundation (http://www.freebsdfoundation.org/) Supported by: Sentex (http://www.sentex.net/)
145 lines
4.0 KiB
C
145 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 2006 Sun Microsystems, Inc. All rights reserved.
|
|
* Use is subject to license terms.
|
|
*/
|
|
|
|
#pragma ident "%Z%%M% %I% %E% SMI"
|
|
|
|
#include <assert.h>
|
|
#include <sys/zfs_context.h>
|
|
#include <sys/avl.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <sys/spa.h>
|
|
#include <sys/fs/zfs.h>
|
|
#include <sys/refcount.h>
|
|
|
|
/*
|
|
* Routines needed by more than one client of libzpool.
|
|
*/
|
|
|
|
void
|
|
nicenum(uint64_t num, char *buf)
|
|
{
|
|
uint64_t n = num;
|
|
int index = 0;
|
|
char u;
|
|
|
|
while (n >= 1024) {
|
|
n = (n + (1024 / 2)) / 1024; /* Round up or down */
|
|
index++;
|
|
}
|
|
|
|
u = " KMGTPE"[index];
|
|
|
|
if (index == 0) {
|
|
(void) sprintf(buf, "%llu", (u_longlong_t)n);
|
|
} else if (n < 10 && (num & (num - 1)) != 0) {
|
|
(void) sprintf(buf, "%.2f%c",
|
|
(double)num / (1ULL << 10 * index), u);
|
|
} else if (n < 100 && (num & (num - 1)) != 0) {
|
|
(void) sprintf(buf, "%.1f%c",
|
|
(double)num / (1ULL << 10 * index), u);
|
|
} else {
|
|
(void) sprintf(buf, "%llu%c", (u_longlong_t)n, u);
|
|
}
|
|
}
|
|
|
|
static void
|
|
show_vdev_stats(const char *desc, nvlist_t *nv, int indent)
|
|
{
|
|
nvlist_t **child;
|
|
uint_t c, children;
|
|
vdev_stat_t *vs;
|
|
uint64_t sec;
|
|
char used[6], avail[6];
|
|
char rops[6], wops[6], rbytes[6], wbytes[6], rerr[6], werr[6], cerr[6];
|
|
|
|
if (indent == 0) {
|
|
(void) printf(" "
|
|
" capacity operations bandwidth ---- errors ----\n");
|
|
(void) printf("description "
|
|
"used avail read write read write read write cksum\n");
|
|
}
|
|
|
|
VERIFY(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS,
|
|
(uint64_t **)&vs, &c) == 0);
|
|
|
|
sec = MAX(1, vs->vs_timestamp / NANOSEC);
|
|
|
|
nicenum(vs->vs_alloc, used);
|
|
nicenum(vs->vs_space - vs->vs_alloc, avail);
|
|
nicenum(vs->vs_ops[ZIO_TYPE_READ] / sec, rops);
|
|
nicenum(vs->vs_ops[ZIO_TYPE_WRITE] / sec, wops);
|
|
nicenum(vs->vs_bytes[ZIO_TYPE_READ] / sec, rbytes);
|
|
nicenum(vs->vs_bytes[ZIO_TYPE_WRITE] / sec, wbytes);
|
|
nicenum(vs->vs_read_errors, rerr);
|
|
nicenum(vs->vs_write_errors, werr);
|
|
nicenum(vs->vs_checksum_errors, cerr);
|
|
|
|
(void) printf("%*s%*s%*s%*s %5s %5s %5s %5s %5s %5s %5s\n",
|
|
indent, "",
|
|
indent - 19 - (vs->vs_space ? 0 : 12), desc,
|
|
vs->vs_space ? 6 : 0, vs->vs_space ? used : "",
|
|
vs->vs_space ? 6 : 0, vs->vs_space ? avail : "",
|
|
rops, wops, rbytes, wbytes, rerr, werr, cerr);
|
|
|
|
if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
|
|
&child, &children) != 0)
|
|
return;
|
|
|
|
for (c = 0; c < children; c++) {
|
|
nvlist_t *cnv = child[c];
|
|
char *cname, *tname;
|
|
uint64_t np;
|
|
if (nvlist_lookup_string(cnv, ZPOOL_CONFIG_PATH, &cname) &&
|
|
nvlist_lookup_string(cnv, ZPOOL_CONFIG_TYPE, &cname))
|
|
cname = "<unknown>";
|
|
tname = calloc(1, strlen(cname) + 2);
|
|
(void) strcpy(tname, cname);
|
|
if (nvlist_lookup_uint64(cnv, ZPOOL_CONFIG_NPARITY, &np) == 0)
|
|
tname[strlen(tname)] = '0' + np;
|
|
show_vdev_stats(tname, cnv, indent + 2);
|
|
free(tname);
|
|
}
|
|
}
|
|
|
|
void
|
|
show_pool_stats(spa_t *spa)
|
|
{
|
|
nvlist_t *config, *nvroot;
|
|
char *name;
|
|
|
|
spa_config_enter(spa, RW_READER, FTAG);
|
|
config = spa_config_generate(spa, NULL, -1ULL, B_TRUE);
|
|
spa_config_exit(spa, FTAG);
|
|
|
|
VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
|
|
&nvroot) == 0);
|
|
VERIFY(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
|
|
&name) == 0);
|
|
|
|
show_vdev_stats(name, nvroot, 0);
|
|
}
|