2008-01-02 23:26:11 +00:00
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/*-
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1994-05-27 12:33:43 +00:00
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* Copyright (c) 1983, 1988, 1993
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2005-07-18 08:34:15 +00:00
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* The Regents of the University of California.
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* Copyright (c) 2005 Robert N. M. Watson
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* All rights reserved.
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1994-05-27 12:33:43 +00:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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1997-07-29 06:51:41 +00:00
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#if 0
|
2004-07-26 20:18:11 +00:00
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#ifndef lint
|
1994-05-27 12:33:43 +00:00
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static char sccsid[] = "@(#)mbuf.c 8.1 (Berkeley) 6/6/93";
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|
#endif /* not lint */
|
2004-07-26 20:18:11 +00:00
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|
#endif
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#include <sys/cdefs.h>
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|
|
__FBSDID("$FreeBSD$");
|
1994-05-27 12:33:43 +00:00
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|
|
#include <sys/param.h>
|
1997-02-24 20:40:40 +00:00
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|
#include <sys/mbuf.h>
|
1994-05-27 12:33:43 +00:00
|
|
|
#include <sys/protosw.h>
|
2013-07-15 06:16:57 +00:00
|
|
|
#include <sys/sf_buf.h>
|
1994-05-27 12:33:43 +00:00
|
|
|
#include <sys/socket.h>
|
2007-07-16 17:15:55 +00:00
|
|
|
#include <sys/socketvar.h>
|
1997-02-24 20:40:40 +00:00
|
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|
#include <sys/sysctl.h>
|
1994-05-27 12:33:43 +00:00
|
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|
|
1997-07-29 06:51:41 +00:00
|
|
|
#include <err.h>
|
2005-11-13 14:06:01 +00:00
|
|
|
#include <kvm.h>
|
2005-07-18 08:34:15 +00:00
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|
#include <memstat.h>
|
2006-07-28 16:09:19 +00:00
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|
#include <stdint.h>
|
1994-05-27 12:33:43 +00:00
|
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|
#include <stdio.h>
|
2009-12-13 03:14:06 +00:00
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|
#include <stdlib.h>
|
2015-02-21 23:47:20 +00:00
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|
#include <stdbool.h>
|
2009-12-13 03:14:06 +00:00
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|
#include <string.h>
|
2015-02-21 23:47:20 +00:00
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|
#include <libxo/xo.h>
|
1994-05-27 12:33:43 +00:00
|
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|
#include "netstat.h"
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/*
|
2005-11-13 14:06:01 +00:00
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* Print mbuf statistics.
|
1994-05-27 12:33:43 +00:00
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*/
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void
|
2005-11-13 14:06:01 +00:00
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mbpr(void *kvmd, u_long mbaddr)
|
2005-07-18 08:34:15 +00:00
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{
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struct memory_type_list *mtlp;
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struct memory_type *mtp;
|
2006-07-28 16:09:19 +00:00
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|
uintmax_t mbuf_count, mbuf_bytes, mbuf_free, mbuf_failures, mbuf_size;
|
2012-10-25 02:12:05 +00:00
|
|
|
uintmax_t mbuf_sleeps;
|
2013-10-15 09:21:05 +00:00
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|
uintmax_t cluster_count, cluster_limit, cluster_free;
|
2012-10-25 02:12:05 +00:00
|
|
|
uintmax_t cluster_failures, cluster_size, cluster_sleeps;
|
2006-07-28 16:09:19 +00:00
|
|
|
uintmax_t packet_count, packet_bytes, packet_free, packet_failures;
|
2012-10-25 02:12:05 +00:00
|
|
|
uintmax_t packet_sleeps;
|
2013-10-15 09:21:05 +00:00
|
|
|
uintmax_t tag_bytes;
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|
|
|
uintmax_t jumbop_count, jumbop_limit, jumbop_free;
|
2012-10-25 02:12:05 +00:00
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|
uintmax_t jumbop_failures, jumbop_sleeps, jumbop_size;
|
2013-10-15 09:21:05 +00:00
|
|
|
uintmax_t jumbo9_count, jumbo9_limit, jumbo9_free;
|
2012-10-25 02:12:05 +00:00
|
|
|
uintmax_t jumbo9_failures, jumbo9_sleeps, jumbo9_size;
|
2013-10-15 09:21:05 +00:00
|
|
|
uintmax_t jumbo16_count, jumbo16_limit, jumbo16_free;
|
2012-10-25 02:12:05 +00:00
|
|
|
uintmax_t jumbo16_failures, jumbo16_sleeps, jumbo16_size;
|
2006-07-28 16:09:19 +00:00
|
|
|
uintmax_t bytes_inuse, bytes_incache, bytes_total;
|
2005-07-18 08:34:15 +00:00
|
|
|
int nsfbufs, nsfbufspeak, nsfbufsused;
|
2013-07-15 06:16:57 +00:00
|
|
|
struct sfstat sfstat;
|
2005-07-18 08:34:15 +00:00
|
|
|
size_t mlen;
|
2007-07-16 17:15:55 +00:00
|
|
|
int error;
|
2005-07-18 08:34:15 +00:00
|
|
|
|
|
|
|
mtlp = memstat_mtl_alloc();
|
|
|
|
if (mtlp == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warn("memstat_mtl_alloc");
|
2005-07-18 08:34:15 +00:00
|
|
|
return;
|
|
|
|
}
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|
|
|
|
|
|
|
/*
|
2005-11-13 14:06:01 +00:00
|
|
|
* Use memstat_*_all() because some mbuf-related memory is in uma(9),
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|
|
|
* and some malloc(9).
|
2005-07-18 08:34:15 +00:00
|
|
|
*/
|
2005-11-13 14:06:01 +00:00
|
|
|
if (live) {
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|
|
|
if (memstat_sysctl_all(mtlp, 0) < 0) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_sysctl_all: %s",
|
2005-11-13 14:06:01 +00:00
|
|
|
memstat_strerror(memstat_mtl_geterror(mtlp)));
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (memstat_kvm_all(mtlp, kvmd) < 0) {
|
|
|
|
error = memstat_mtl_geterror(mtlp);
|
|
|
|
if (error == MEMSTAT_ERROR_KVM)
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_kvm_all: %s",
|
2005-11-13 14:06:01 +00:00
|
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|
kvm_geterr(kvmd));
|
|
|
|
else
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_kvm_all: %s",
|
2005-11-13 14:06:01 +00:00
|
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|
memstat_strerror(error));
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goto out;
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|
|
}
|
2005-07-18 08:34:15 +00:00
|
|
|
}
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|
|
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|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_MEM_NAME);
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|
|
if (mtp == NULL) {
|
2015-02-21 23:47:20 +00:00
|
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|
xo_warnx("memstat_mtl_find: zone %s not found", MBUF_MEM_NAME);
|
2005-07-18 08:34:15 +00:00
|
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|
goto out;
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|
|
}
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|
|
mbuf_count = memstat_get_count(mtp);
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|
mbuf_bytes = memstat_get_bytes(mtp);
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|
|
mbuf_free = memstat_get_free(mtp);
|
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mbuf_failures = memstat_get_failures(mtp);
|
2012-10-25 02:12:05 +00:00
|
|
|
mbuf_sleeps = memstat_get_sleeps(mtp);
|
2005-07-18 08:34:15 +00:00
|
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|
mbuf_size = memstat_get_size(mtp);
|
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|
|
|
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|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_PACKET_MEM_NAME);
|
|
|
|
if (mtp == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_mtl_find: zone %s not found",
|
2005-07-18 08:34:15 +00:00
|
|
|
MBUF_PACKET_MEM_NAME);
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|
|
goto out;
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|
|
}
|
|
|
|
packet_count = memstat_get_count(mtp);
|
|
|
|
packet_bytes = memstat_get_bytes(mtp);
|
|
|
|
packet_free = memstat_get_free(mtp);
|
2012-10-25 02:12:05 +00:00
|
|
|
packet_sleeps = memstat_get_sleeps(mtp);
|
2005-07-18 08:34:15 +00:00
|
|
|
packet_failures = memstat_get_failures(mtp);
|
|
|
|
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_CLUSTER_MEM_NAME);
|
|
|
|
if (mtp == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_mtl_find: zone %s not found",
|
2005-07-18 08:34:15 +00:00
|
|
|
MBUF_CLUSTER_MEM_NAME);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
cluster_count = memstat_get_count(mtp);
|
|
|
|
cluster_limit = memstat_get_countlimit(mtp);
|
|
|
|
cluster_free = memstat_get_free(mtp);
|
|
|
|
cluster_failures = memstat_get_failures(mtp);
|
2012-10-25 02:12:05 +00:00
|
|
|
cluster_sleeps = memstat_get_sleeps(mtp);
|
2005-07-18 08:34:15 +00:00
|
|
|
cluster_size = memstat_get_size(mtp);
|
|
|
|
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_MALLOC, MBUF_TAG_MEM_NAME);
|
|
|
|
if (mtp == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_mtl_find: malloc type %s not found",
|
2005-07-18 08:34:15 +00:00
|
|
|
MBUF_TAG_MEM_NAME);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
tag_bytes = memstat_get_bytes(mtp);
|
|
|
|
|
2006-02-18 15:55:19 +00:00
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBOP_MEM_NAME);
|
|
|
|
if (mtp == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_mtl_find: zone %s not found",
|
2006-02-18 15:55:19 +00:00
|
|
|
MBUF_JUMBOP_MEM_NAME);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
jumbop_count = memstat_get_count(mtp);
|
|
|
|
jumbop_limit = memstat_get_countlimit(mtp);
|
|
|
|
jumbop_free = memstat_get_free(mtp);
|
|
|
|
jumbop_failures = memstat_get_failures(mtp);
|
2012-10-25 02:12:05 +00:00
|
|
|
jumbop_sleeps = memstat_get_sleeps(mtp);
|
2006-02-18 15:55:19 +00:00
|
|
|
jumbop_size = memstat_get_size(mtp);
|
|
|
|
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO9_MEM_NAME);
|
|
|
|
if (mtp == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_mtl_find: zone %s not found",
|
2006-02-18 15:55:19 +00:00
|
|
|
MBUF_JUMBO9_MEM_NAME);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
jumbo9_count = memstat_get_count(mtp);
|
|
|
|
jumbo9_limit = memstat_get_countlimit(mtp);
|
|
|
|
jumbo9_free = memstat_get_free(mtp);
|
|
|
|
jumbo9_failures = memstat_get_failures(mtp);
|
2012-10-25 02:12:05 +00:00
|
|
|
jumbo9_sleeps = memstat_get_sleeps(mtp);
|
2006-02-18 15:55:19 +00:00
|
|
|
jumbo9_size = memstat_get_size(mtp);
|
|
|
|
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO16_MEM_NAME);
|
|
|
|
if (mtp == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("memstat_mtl_find: zone %s not found",
|
2006-02-18 15:55:19 +00:00
|
|
|
MBUF_JUMBO16_MEM_NAME);
|
|
|
|
goto out;
|
|
|
|
}
|
|
|
|
jumbo16_count = memstat_get_count(mtp);
|
|
|
|
jumbo16_limit = memstat_get_countlimit(mtp);
|
|
|
|
jumbo16_free = memstat_get_free(mtp);
|
|
|
|
jumbo16_failures = memstat_get_failures(mtp);
|
2012-10-25 02:12:05 +00:00
|
|
|
jumbo16_sleeps = memstat_get_sleeps(mtp);
|
2006-02-18 15:55:19 +00:00
|
|
|
jumbo16_size = memstat_get_size(mtp);
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_open_container("mbuf-statistics");
|
|
|
|
|
|
|
|
xo_emit("{:mbuf-current/%ju}/{:mbuf-cache/%ju}/{:mbuf-total/%ju} "
|
|
|
|
"{N:mbufs in use (current\\/cache\\/total)}\n",
|
2005-07-18 08:34:15 +00:00
|
|
|
mbuf_count + packet_count, mbuf_free + packet_free,
|
|
|
|
mbuf_count + packet_count + mbuf_free + packet_free);
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:cluster-current/%ju}/{:cluster-cache/%ju}/"
|
|
|
|
"{:cluster-total/%ju}/{:cluster-max/%ju} "
|
|
|
|
"{N:mbuf clusters in use (current\\/cache\\/total\\/max)}\n",
|
2005-07-18 08:34:15 +00:00
|
|
|
cluster_count - packet_free, cluster_free + packet_free,
|
|
|
|
cluster_count + cluster_free, cluster_limit);
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:packet-count/%ju}/{:packet-free/%ju} "
|
|
|
|
"{N:mbuf+clusters out of packet secondary zone in use "
|
|
|
|
"(current\\/cache)}\n",
|
2006-02-18 16:03:07 +00:00
|
|
|
packet_count, packet_free);
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:jumbo-count/%ju}/{:jumbo-cache/%ju}/{:jumbo-total/%ju}/"
|
|
|
|
"{:jumbo-max/%ju} {:jumbo-page-size/%ju}{U:k} {N:(page size)} "
|
|
|
|
"{N:jumbo clusters in use (current\\/cache\\/total\\/max)}\n",
|
2006-02-18 15:55:19 +00:00
|
|
|
jumbop_count, jumbop_free, jumbop_count + jumbop_free,
|
|
|
|
jumbop_limit, jumbop_size / 1024);
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:jumbo9-count/%ju}/{:jumbo9-cache/%ju}/"
|
|
|
|
"{:jumbo9-total/%ju}/{:jumbo9-max/%ju} "
|
|
|
|
"{N:9k jumbo clusters in use (current\\/cache\\/total\\/max)}\n",
|
2006-02-18 15:55:19 +00:00
|
|
|
jumbo9_count, jumbo9_free, jumbo9_count + jumbo9_free,
|
|
|
|
jumbo9_limit);
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:jumbo16-count/%ju}/{:jumbo16-cache/%ju}/"
|
|
|
|
"{:jumbo16-total/%ju}/{:jumbo16-limit/%ju} "
|
|
|
|
"{N:16k jumbo clusters in use (current\\/cache\\/total\\/max)}\n",
|
2006-02-18 15:55:19 +00:00
|
|
|
jumbo16_count, jumbo16_free, jumbo16_count + jumbo16_free,
|
|
|
|
jumbo16_limit);
|
|
|
|
|
2005-07-18 08:34:15 +00:00
|
|
|
#if 0
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:tag-count/%ju} {N:mbuf tags in use}\n", tag_count);
|
2005-07-18 08:34:15 +00:00
|
|
|
#endif
|
|
|
|
|
|
|
|
/*-
|
|
|
|
* Calculate in-use bytes as:
|
|
|
|
* - straight mbuf memory
|
|
|
|
* - mbuf memory in packets
|
|
|
|
* - the clusters attached to packets
|
|
|
|
* - and the rest of the non-packet-attached clusters.
|
|
|
|
* - m_tag memory
|
|
|
|
* This avoids counting the clusters attached to packets in the cache.
|
|
|
|
* This currently excludes sf_buf space.
|
|
|
|
*/
|
|
|
|
bytes_inuse =
|
|
|
|
mbuf_bytes + /* straight mbuf memory */
|
|
|
|
packet_bytes + /* mbufs in packets */
|
|
|
|
(packet_count * cluster_size) + /* clusters in packets */
|
|
|
|
/* other clusters */
|
|
|
|
((cluster_count - packet_count - packet_free) * cluster_size) +
|
2006-02-18 15:55:19 +00:00
|
|
|
tag_bytes +
|
|
|
|
(jumbop_count * jumbop_size) + /* jumbo clusters */
|
|
|
|
(jumbo9_count * jumbo9_size) +
|
|
|
|
(jumbo16_count * jumbo16_size);
|
2005-07-18 08:34:15 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Calculate in-cache bytes as:
|
|
|
|
* - cached straught mbufs
|
|
|
|
* - cached packet mbufs
|
|
|
|
* - cached packet clusters
|
|
|
|
* - cached straight clusters
|
|
|
|
* This currently excludes sf_buf space.
|
|
|
|
*/
|
|
|
|
bytes_incache =
|
|
|
|
(mbuf_free * mbuf_size) + /* straight free mbufs */
|
|
|
|
(packet_free * mbuf_size) + /* mbufs in free packets */
|
|
|
|
(packet_free * cluster_size) + /* clusters in free packets */
|
2006-02-18 15:55:19 +00:00
|
|
|
(cluster_free * cluster_size) + /* free clusters */
|
|
|
|
(jumbop_free * jumbop_size) + /* jumbo clusters */
|
|
|
|
(jumbo9_free * jumbo9_size) +
|
|
|
|
(jumbo16_free * jumbo16_size);
|
2005-07-18 08:34:15 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Total is bytes in use + bytes in cache. This doesn't take into
|
|
|
|
* account various other misc data structures, overhead, etc, but
|
|
|
|
* gives the user something useful despite that.
|
|
|
|
*/
|
|
|
|
bytes_total = bytes_inuse + bytes_incache;
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:bytes-in-use/%ju}{U:K}/{:bytes-in-cache/%ju}{U:K}/"
|
|
|
|
"{:bytes-total/%ju}{U:K} "
|
|
|
|
"{N:bytes allocated to network (current\\/cache\\/total)}\n",
|
|
|
|
bytes_inuse / 1024, bytes_incache / 1024, bytes_total / 1024);
|
2005-07-18 08:34:15 +00:00
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:mbuf-failures/%ju}/{:cluster-failures/%ju}/"
|
|
|
|
"{:packet-failures/%ju} {N:requests for mbufs denied "
|
|
|
|
"(mbufs\\/clusters\\/mbuf+clusters)}\n",
|
|
|
|
mbuf_failures, cluster_failures, packet_failures);
|
|
|
|
xo_emit("{:mbuf-sleeps/%ju}/{:cluster-sleeps/%ju}/{:packet-sleeps/%ju} "
|
|
|
|
"{N:requests for mbufs delayed "
|
|
|
|
"(mbufs\\/clusters\\/mbuf+clusters)}\n",
|
|
|
|
mbuf_sleeps, cluster_sleeps, packet_sleeps);
|
2005-07-18 08:34:15 +00:00
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:jumbop-sleeps/%ju}/{:jumbo9-sleeps/%ju}/"
|
|
|
|
"{:jumbo16-sleeps/%ju} {N:/requests for jumbo clusters delayed "
|
|
|
|
"(%juk\\/9k\\/16k)}\n",
|
|
|
|
jumbop_sleeps, jumbo9_sleeps, jumbo16_sleeps, jumbop_size / 1024);
|
|
|
|
xo_emit("{:jumbop-failures/%ju}/{:jumbo9-failures/%ju}/"
|
|
|
|
"{:jumbo16-failures/%ju} {N:/requests for jumbo clusters denied "
|
|
|
|
"(%juk\\/9k\\/16k)}\n",
|
|
|
|
jumbop_failures, jumbo9_failures, jumbo16_failures,
|
|
|
|
jumbop_size / 1024);
|
2006-02-18 15:55:19 +00:00
|
|
|
|
2015-09-11 04:37:01 +00:00
|
|
|
mlen = sizeof(nsfbufs);
|
|
|
|
if (live &&
|
|
|
|
sysctlbyname("kern.ipc.nsfbufs", &nsfbufs, &mlen, NULL, 0) == 0 &&
|
|
|
|
sysctlbyname("kern.ipc.nsfbufsused", &nsfbufsused, &mlen,
|
|
|
|
NULL, 0) == 0 &&
|
|
|
|
sysctlbyname("kern.ipc.nsfbufspeak", &nsfbufspeak, &mlen,
|
|
|
|
NULL, 0) == 0)
|
|
|
|
xo_emit("{:nsfbufs-current/%d}/{:nsfbufs-peak/%d}/"
|
|
|
|
"{:nsfbufs/%d} "
|
|
|
|
"{N:sfbufs in use (current\\/peak\\/max)}\n",
|
|
|
|
nsfbufsused, nsfbufspeak, nsfbufs);
|
|
|
|
|
|
|
|
if (fetch_stats("kern.ipc.sfstat", mbaddr, &sfstat, sizeof(sfstat),
|
|
|
|
kread_counters) != 0)
|
|
|
|
goto out;
|
|
|
|
|
2016-01-08 20:34:57 +00:00
|
|
|
xo_emit("{:sendfile-syscalls/%ju} {N:sendfile syscalls}\n",
|
|
|
|
(uintmax_t)sfstat.sf_syscalls);
|
|
|
|
xo_emit("{:sendfile-no-io/%ju} "
|
|
|
|
"{N:sendfile syscalls completed without I\\/O request}\n",
|
|
|
|
(uintmax_t)sfstat.sf_noiocnt);
|
|
|
|
xo_emit("{:sendfile-io-count/%ju} "
|
|
|
|
"{N:requests for I\\/O initiated by sendfile}\n",
|
|
|
|
(uintmax_t)sfstat.sf_iocnt);
|
|
|
|
xo_emit("{:sendfile-pages-sent/%ju} "
|
|
|
|
"{N:pages read by sendfile as part of a request}\n",
|
|
|
|
(uintmax_t)sfstat.sf_pages_read);
|
|
|
|
xo_emit("{:sendfile-pages-valid/%ju} "
|
|
|
|
"{N:pages were valid at time of a sendfile request}\n",
|
|
|
|
(uintmax_t)sfstat.sf_pages_valid);
|
2016-11-17 21:02:55 +00:00
|
|
|
xo_emit("{:sendfile-pages-bogus/%ju} "
|
|
|
|
"{N:pages were valid and substituted to bogus page}\n",
|
|
|
|
(uintmax_t)sfstat.sf_pages_bogus);
|
2016-01-08 20:34:57 +00:00
|
|
|
xo_emit("{:sendfile-requested-readahead/%ju} "
|
|
|
|
"{N:pages were requested for read ahead by applications}\n",
|
|
|
|
(uintmax_t)sfstat.sf_rhpages_requested);
|
|
|
|
xo_emit("{:sendfile-readahead/%ju} "
|
|
|
|
"{N:pages were read ahead by sendfile}\n",
|
|
|
|
(uintmax_t)sfstat.sf_rhpages_read);
|
|
|
|
xo_emit("{:sendfile-busy-encounters/%ju} "
|
|
|
|
"{N:times sendfile encountered an already busy page}\n",
|
|
|
|
(uintmax_t)sfstat.sf_busy);
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:sfbufs-alloc-failed/%ju} {N:requests for sfbufs denied}\n",
|
2013-07-15 06:16:57 +00:00
|
|
|
(uintmax_t)sfstat.sf_allocfail);
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{:sfbufs-alloc-wait/%ju} {N:requests for sfbufs delayed}\n",
|
2013-07-15 06:16:57 +00:00
|
|
|
(uintmax_t)sfstat.sf_allocwait);
|
2005-07-18 08:34:15 +00:00
|
|
|
out:
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_close_container("mbuf-statistics");
|
2005-07-18 08:34:15 +00:00
|
|
|
memstat_mtl_free(mtlp);
|
|
|
|
}
|