mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-28 13:22:48 +00:00
314 lines
10 KiB
C
314 lines
10 KiB
C
/*-
|
|
* Copyright (c) 1983, 1988, 1993
|
|
* The Regents of the University of California.
|
|
* Copyright (c) 2005 Robert N. M. Watson
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#if 0
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)mbuf.c 8.1 (Berkeley) 6/6/93";
|
|
#endif /* not lint */
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/protosw.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/socketvar.h>
|
|
#include <sys/sysctl.h>
|
|
|
|
#include <err.h>
|
|
#include <kvm.h>
|
|
#include <memstat.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "netstat.h"
|
|
|
|
/*
|
|
* Print mbuf statistics.
|
|
*/
|
|
void
|
|
mbpr(void *kvmd, u_long mbaddr)
|
|
{
|
|
struct memory_type_list *mtlp;
|
|
struct memory_type *mtp;
|
|
uintmax_t mbuf_count, mbuf_bytes, mbuf_free, mbuf_failures, mbuf_size;
|
|
uintmax_t cluster_count, cluster_bytes, cluster_limit, cluster_free;
|
|
uintmax_t cluster_failures, cluster_size;
|
|
uintmax_t packet_count, packet_bytes, packet_free, packet_failures;
|
|
uintmax_t tag_count, tag_bytes;
|
|
uintmax_t jumbop_count, jumbop_bytes, jumbop_limit, jumbop_free;
|
|
uintmax_t jumbop_failures, jumbop_size;
|
|
uintmax_t jumbo9_count, jumbo9_bytes, jumbo9_limit, jumbo9_free;
|
|
uintmax_t jumbo9_failures, jumbo9_size;
|
|
uintmax_t jumbo16_count, jumbo16_bytes, jumbo16_limit, jumbo16_free;
|
|
uintmax_t jumbo16_failures, jumbo16_size;
|
|
uintmax_t bytes_inuse, bytes_incache, bytes_total;
|
|
int nsfbufs, nsfbufspeak, nsfbufsused;
|
|
struct mbstat mbstat;
|
|
size_t mlen;
|
|
int error;
|
|
|
|
mtlp = memstat_mtl_alloc();
|
|
if (mtlp == NULL) {
|
|
warn("memstat_mtl_alloc");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Use memstat_*_all() because some mbuf-related memory is in uma(9),
|
|
* and some malloc(9).
|
|
*/
|
|
if (live) {
|
|
if (memstat_sysctl_all(mtlp, 0) < 0) {
|
|
warnx("memstat_sysctl_all: %s",
|
|
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)
|
|
warnx("memstat_kvm_all: %s",
|
|
kvm_geterr(kvmd));
|
|
else
|
|
warnx("memstat_kvm_all: %s",
|
|
memstat_strerror(error));
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_MEM_NAME);
|
|
if (mtp == NULL) {
|
|
warnx("memstat_mtl_find: zone %s not found", MBUF_MEM_NAME);
|
|
goto out;
|
|
}
|
|
mbuf_count = memstat_get_count(mtp);
|
|
mbuf_bytes = memstat_get_bytes(mtp);
|
|
mbuf_free = memstat_get_free(mtp);
|
|
mbuf_failures = memstat_get_failures(mtp);
|
|
mbuf_size = memstat_get_size(mtp);
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_PACKET_MEM_NAME);
|
|
if (mtp == NULL) {
|
|
warnx("memstat_mtl_find: zone %s not found",
|
|
MBUF_PACKET_MEM_NAME);
|
|
goto out;
|
|
}
|
|
packet_count = memstat_get_count(mtp);
|
|
packet_bytes = memstat_get_bytes(mtp);
|
|
packet_free = memstat_get_free(mtp);
|
|
packet_failures = memstat_get_failures(mtp);
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_CLUSTER_MEM_NAME);
|
|
if (mtp == NULL) {
|
|
warnx("memstat_mtl_find: zone %s not found",
|
|
MBUF_CLUSTER_MEM_NAME);
|
|
goto out;
|
|
}
|
|
cluster_count = memstat_get_count(mtp);
|
|
cluster_bytes = memstat_get_bytes(mtp);
|
|
cluster_limit = memstat_get_countlimit(mtp);
|
|
cluster_free = memstat_get_free(mtp);
|
|
cluster_failures = memstat_get_failures(mtp);
|
|
cluster_size = memstat_get_size(mtp);
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_MALLOC, MBUF_TAG_MEM_NAME);
|
|
if (mtp == NULL) {
|
|
warnx("memstat_mtl_find: malloc type %s not found",
|
|
MBUF_TAG_MEM_NAME);
|
|
goto out;
|
|
}
|
|
tag_count = memstat_get_count(mtp);
|
|
tag_bytes = memstat_get_bytes(mtp);
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBOP_MEM_NAME);
|
|
if (mtp == NULL) {
|
|
warnx("memstat_mtl_find: zone %s not found",
|
|
MBUF_JUMBOP_MEM_NAME);
|
|
goto out;
|
|
}
|
|
jumbop_count = memstat_get_count(mtp);
|
|
jumbop_bytes = memstat_get_bytes(mtp);
|
|
jumbop_limit = memstat_get_countlimit(mtp);
|
|
jumbop_free = memstat_get_free(mtp);
|
|
jumbop_failures = memstat_get_failures(mtp);
|
|
jumbop_size = memstat_get_size(mtp);
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO9_MEM_NAME);
|
|
if (mtp == NULL) {
|
|
warnx("memstat_mtl_find: zone %s not found",
|
|
MBUF_JUMBO9_MEM_NAME);
|
|
goto out;
|
|
}
|
|
jumbo9_count = memstat_get_count(mtp);
|
|
jumbo9_bytes = memstat_get_bytes(mtp);
|
|
jumbo9_limit = memstat_get_countlimit(mtp);
|
|
jumbo9_free = memstat_get_free(mtp);
|
|
jumbo9_failures = memstat_get_failures(mtp);
|
|
jumbo9_size = memstat_get_size(mtp);
|
|
|
|
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO16_MEM_NAME);
|
|
if (mtp == NULL) {
|
|
warnx("memstat_mtl_find: zone %s not found",
|
|
MBUF_JUMBO16_MEM_NAME);
|
|
goto out;
|
|
}
|
|
jumbo16_count = memstat_get_count(mtp);
|
|
jumbo16_bytes = memstat_get_bytes(mtp);
|
|
jumbo16_limit = memstat_get_countlimit(mtp);
|
|
jumbo16_free = memstat_get_free(mtp);
|
|
jumbo16_failures = memstat_get_failures(mtp);
|
|
jumbo16_size = memstat_get_size(mtp);
|
|
|
|
printf("%ju/%ju/%ju mbufs in use (current/cache/total)\n",
|
|
mbuf_count + packet_count, mbuf_free + packet_free,
|
|
mbuf_count + packet_count + mbuf_free + packet_free);
|
|
|
|
printf("%ju/%ju/%ju/%ju mbuf clusters in use "
|
|
"(current/cache/total/max)\n",
|
|
cluster_count - packet_free, cluster_free + packet_free,
|
|
cluster_count + cluster_free, cluster_limit);
|
|
|
|
printf("%ju/%ju mbuf+clusters out of packet secondary zone in use "
|
|
"(current/cache)\n",
|
|
packet_count, packet_free);
|
|
|
|
printf("%ju/%ju/%ju/%ju %juk (page size) jumbo clusters in use "
|
|
"(current/cache/total/max)\n",
|
|
jumbop_count, jumbop_free, jumbop_count + jumbop_free,
|
|
jumbop_limit, jumbop_size / 1024);
|
|
|
|
printf("%ju/%ju/%ju/%ju 9k jumbo clusters in use "
|
|
"(current/cache/total/max)\n",
|
|
jumbo9_count, jumbo9_free, jumbo9_count + jumbo9_free,
|
|
jumbo9_limit);
|
|
|
|
printf("%ju/%ju/%ju/%ju 16k jumbo clusters in use "
|
|
"(current/cache/total/max)\n",
|
|
jumbo16_count, jumbo16_free, jumbo16_count + jumbo16_free,
|
|
jumbo16_limit);
|
|
|
|
#if 0
|
|
printf("%ju mbuf tags in use\n", tag_count);
|
|
#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) +
|
|
tag_bytes +
|
|
(jumbop_count * jumbop_size) + /* jumbo clusters */
|
|
(jumbo9_count * jumbo9_size) +
|
|
(jumbo16_count * jumbo16_size);
|
|
|
|
/*
|
|
* 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 */
|
|
(cluster_free * cluster_size) + /* free clusters */
|
|
(jumbop_free * jumbop_size) + /* jumbo clusters */
|
|
(jumbo9_free * jumbo9_size) +
|
|
(jumbo16_free * jumbo16_size);
|
|
|
|
/*
|
|
* 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;
|
|
|
|
printf("%juK/%juK/%juK bytes allocated to network "
|
|
"(current/cache/total)\n", bytes_inuse / 1024,
|
|
bytes_incache / 1024, bytes_total / 1024);
|
|
|
|
printf("%ju/%ju/%ju requests for mbufs denied (mbufs/clusters/"
|
|
"mbuf+clusters)\n", mbuf_failures, cluster_failures,
|
|
packet_failures);
|
|
|
|
printf("%ju/%ju/%ju requests for jumbo clusters denied "
|
|
"(%juk/9k/16k)\n", jumbop_failures, jumbo9_failures,
|
|
jumbo16_failures, jumbop_size / 1024);
|
|
|
|
if (live) {
|
|
mlen = sizeof(nsfbufs);
|
|
if (!sysctlbyname("kern.ipc.nsfbufs", &nsfbufs, &mlen, NULL,
|
|
0) &&
|
|
!sysctlbyname("kern.ipc.nsfbufsused", &nsfbufsused,
|
|
&mlen, NULL, 0) &&
|
|
!sysctlbyname("kern.ipc.nsfbufspeak", &nsfbufspeak,
|
|
&mlen, NULL, 0))
|
|
printf("%d/%d/%d sfbufs in use (current/peak/max)\n",
|
|
nsfbufsused, nsfbufspeak, nsfbufs);
|
|
mlen = sizeof(mbstat);
|
|
if (sysctlbyname("kern.ipc.mbstat", &mbstat, &mlen, NULL, 0)) {
|
|
warn("kern.ipc.mbstat");
|
|
goto out;
|
|
}
|
|
} else {
|
|
if (kread(mbaddr, (char *)&mbstat, sizeof mbstat) != 0)
|
|
goto out;
|
|
}
|
|
printf("%lu requests for sfbufs denied\n", mbstat.sf_allocfail);
|
|
printf("%lu requests for sfbufs delayed\n", mbstat.sf_allocwait);
|
|
printf("%lu requests for I/O initiated by sendfile\n",
|
|
mbstat.sf_iocnt);
|
|
printf("%lu calls to protocol drain routines\n", mbstat.m_drain);
|
|
out:
|
|
memstat_mtl_free(mtlp);
|
|
}
|