* Copyright (c) 1983, 1988 Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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
/* From: static char sccsid[] = "@(#)mbuf.c 5.10 (Berkeley) 1/30/91"; */
static const char mbuf_c_rcsid
[] =
{ MT_OOBDATA
, "oob data" },
{ MT_CONTROL
, "ancillary data" },
{ MT_HEADER
, "packet headers" },
{ MT_SOCKET
, "socket structures" }, /* XXX */
{ MT_PCB
, "protocol control blocks" }, /* XXX */
{ MT_RTABLE
, "routing table entries" }, /* XXX */
{ MT_HTABLE
, "IMP host table entries" }, /* XXX */
{ MT_ATABLE
, "address resolution tables" },
{ MT_FTABLE
, "fragment reassembly queue headers" }, /* XXX */
{ MT_SONAME
, "socket names and addresses" },
{ MT_SOOPTS
, "socket options" },
{ MT_RIGHTS
, "access rights" },
{ MT_IFADDR
, "interface addresses" }, /* XXX */
int nmbtypes
= sizeof(mbstat
.m_mtypes
) / sizeof(short);
bool seen
[256]; /* "have we seen this type yet?" */
register int totmem
, totfree
, totmbufs
;
register struct mbtypes
*mp
;
fprintf(stderr
, "unexpected change to mbstat; check source\n");
printf("mbstat: symbol not in namelist\n");
if (kvm_read(mbaddr
, (char *)&mbstat
, sizeof (mbstat
))
printf("mbstat: bad read\n");
for (mp
= mbtypes
; mp
->mt_name
; mp
++)
totmbufs
+= mbstat
.m_mtypes
[mp
->mt_type
];
printf("%u mbufs in use:\n", totmbufs
);
for (mp
= mbtypes
; mp
->mt_name
; mp
++)
if (mbstat
.m_mtypes
[mp
->mt_type
]) {
printf("\t%u mbufs allocated to %s\n",
mbstat
.m_mtypes
[mp
->mt_type
], mp
->mt_name
);
for (i
= 0; i
< nmbtypes
; i
++)
if (!seen
[i
] && mbstat
.m_mtypes
[i
]) {
printf("\t%u mbufs allocated to <mbuf type %d>\n",
printf("%u/%u mapped pages in use\n",
mbstat
.m_clusters
- mbstat
.m_clfree
, mbstat
.m_clusters
);
totmem
= totmbufs
* MSIZE
+ mbstat
.m_clusters
* MCLBYTES
;
totfree
= mbstat
.m_clfree
* MCLBYTES
;
printf("%u Kbytes allocated to network (%d%% in use)\n",
totmem
/ 1024, (totmem
- totfree
) * 100 / totmem
);
printf("%u requests for memory denied\n", mbstat
.m_drops
);
printf("%u requests for memory delayed\n", mbstat
.m_wait
);
printf("%u calls to protocol drain routines\n", mbstat
.m_drain
);