* Copyright (c) 1983, 1988 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
static char sccsid
[] = "@(#)mbuf.c 5.7 (Berkeley) %G%";
{ 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 (read(kmem
, (char *)&mbstat
, sizeof (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
* CLBYTES
;
totfree
= mbstat
.m_clfree
* CLBYTES
;
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
);