diff options
Diffstat (limited to 'usr.bin/netstat/mbuf.c')
| -rw-r--r-- | usr.bin/netstat/mbuf.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/usr.bin/netstat/mbuf.c b/usr.bin/netstat/mbuf.c deleted file mode 100644 index dd60a0e..0000000 --- a/usr.bin/netstat/mbuf.c +++ /dev/null @@ -1,122 +0,0 @@ -/* - * Copyright (c) 1983, 1988, 1993 - * The Regents of the University of California. 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. - */ - -#ifndef lint -static char sccsid[] = "@(#)mbuf.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/protosw.h> -#include <sys/socket.h> -#include <sys/mbuf.h> - -#include <stdio.h> -#include "netstat.h" - -#define YES 1 -typedef int bool; - -struct mbstat mbstat; - -static struct mbtypes { - int mt_type; - char *mt_name; -} mbtypes[] = { - { MT_DATA, "data" }, - { 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 */ - { 0, 0 } -}; - -int nmbtypes = sizeof(mbstat.m_mtypes) / sizeof(short); -bool seen[256]; /* "have we seen this type yet?" */ - -/* - * Print mbuf statistics. - */ -void -mbpr(mbaddr) - u_long mbaddr; -{ - register int totmem, totfree, totmbufs; - register int i; - register struct mbtypes *mp; - - if (nmbtypes != 256) { - fprintf(stderr, - "%s: unexpected change to mbstat; check source\n", prog); - return; - } - if (mbaddr == 0) { - fprintf(stderr, "%s: mbstat: symbol not in namelist\n", prog); - return; - } - if (kread(mbaddr, (char *)&mbstat, sizeof (mbstat))) - return; - totmbufs = 0; - 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]) { - seen[mp->mt_type] = YES; - printf("\t%u mbufs allocated to %s\n", - mbstat.m_mtypes[mp->mt_type], mp->mt_name); - } - seen[MT_FREE] = YES; - for (i = 0; i < nmbtypes; i++) - if (!seen[i] && mbstat.m_mtypes[i]) { - printf("\t%u mbufs allocated to <mbuf type %d>\n", - mbstat.m_mtypes[i], i); - } - 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); -} |
