Commit | Line | Data |
---|---|---|
5ff67f98 | 1 | /* |
b36fc510 | 2 | * Copyright (c) 1983, 1988 Regents of the University of California. |
ee3f90a5 MK |
3 | * All rights reserved. |
4 | * | |
af359dea C |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
5ff67f98 DF |
32 | */ |
33 | ||
bad4305f | 34 | #ifndef lint |
af359dea | 35 | static char sccsid[] = "@(#)mbuf.c 5.10 (Berkeley) 1/30/91"; |
b36fc510 | 36 | #endif /* not lint */ |
bad4305f | 37 | |
7c69b0a9 | 38 | #include <stdio.h> |
24bf5f10 | 39 | #include <sys/param.h> |
bad4305f | 40 | #include <sys/mbuf.h> |
7c69b0a9 MK |
41 | #define YES 1 |
42 | typedef int bool; | |
bad4305f SL |
43 | |
44 | struct mbstat mbstat; | |
bad4305f | 45 | |
02c6746b SL |
46 | static struct mbtypes { |
47 | int mt_type; | |
48 | char *mt_name; | |
49 | } mbtypes[] = { | |
50 | { MT_DATA, "data" }, | |
a65693cc MK |
51 | { MT_OOBDATA, "oob data" }, |
52 | { MT_CONTROL, "ancillary data" }, | |
02c6746b | 53 | { MT_HEADER, "packet headers" }, |
a65693cc MK |
54 | { MT_SOCKET, "socket structures" }, /* XXX */ |
55 | { MT_PCB, "protocol control blocks" }, /* XXX */ | |
56 | { MT_RTABLE, "routing table entries" }, /* XXX */ | |
57 | { MT_HTABLE, "IMP host table entries" }, /* XXX */ | |
02c6746b | 58 | { MT_ATABLE, "address resolution tables" }, |
a65693cc | 59 | { MT_FTABLE, "fragment reassembly queue headers" }, /* XXX */ |
02c6746b | 60 | { MT_SONAME, "socket names and addresses" }, |
02c6746b | 61 | { MT_SOOPTS, "socket options" }, |
1ab9ab56 | 62 | { MT_RIGHTS, "access rights" }, |
a65693cc | 63 | { MT_IFADDR, "interface addresses" }, /* XXX */ |
02c6746b SL |
64 | { 0, 0 } |
65 | }; | |
66 | ||
7c69b0a9 MK |
67 | int nmbtypes = sizeof(mbstat.m_mtypes) / sizeof(short); |
68 | bool seen[256]; /* "have we seen this type yet?" */ | |
69 | ||
bad4305f SL |
70 | /* |
71 | * Print mbuf statistics. | |
72 | */ | |
73 | mbpr(mbaddr) | |
74 | off_t mbaddr; | |
75 | { | |
02c6746b | 76 | register int totmem, totfree, totmbufs; |
7c69b0a9 | 77 | register int i; |
02c6746b | 78 | register struct mbtypes *mp; |
24bf5f10 | 79 | |
7c69b0a9 MK |
80 | if (nmbtypes != 256) { |
81 | fprintf(stderr, "unexpected change to mbstat; check source\n"); | |
82 | return; | |
83 | } | |
bad4305f SL |
84 | if (mbaddr == 0) { |
85 | printf("mbstat: symbol not in namelist\n"); | |
86 | return; | |
87 | } | |
c34ecf77 KS |
88 | if (kvm_read(mbaddr, (char *)&mbstat, sizeof (mbstat)) |
89 | != sizeof (mbstat)) { | |
24bf5f10 SL |
90 | printf("mbstat: bad read\n"); |
91 | return; | |
92 | } | |
02c6746b | 93 | totmbufs = 0; |
a65693cc MK |
94 | for (mp = mbtypes; mp->mt_name; mp++) |
95 | totmbufs += mbstat.m_mtypes[mp->mt_type]; | |
96 | printf("%u mbufs in use:\n", totmbufs); | |
02c6746b SL |
97 | for (mp = mbtypes; mp->mt_name; mp++) |
98 | if (mbstat.m_mtypes[mp->mt_type]) { | |
7c69b0a9 | 99 | seen[mp->mt_type] = YES; |
f9ae784a | 100 | printf("\t%u mbufs allocated to %s\n", |
7c69b0a9 | 101 | mbstat.m_mtypes[mp->mt_type], mp->mt_name); |
02c6746b | 102 | } |
7c69b0a9 MK |
103 | seen[MT_FREE] = YES; |
104 | for (i = 0; i < nmbtypes; i++) | |
105 | if (!seen[i] && mbstat.m_mtypes[i]) { | |
f9ae784a | 106 | printf("\t%u mbufs allocated to <mbuf type %d>\n", |
7c69b0a9 | 107 | mbstat.m_mtypes[i], i); |
7c69b0a9 | 108 | } |
f9ae784a | 109 | printf("%u/%u mapped pages in use\n", |
24bf5f10 | 110 | mbstat.m_clusters - mbstat.m_clfree, mbstat.m_clusters); |
51d84d35 MK |
111 | totmem = totmbufs * MSIZE + mbstat.m_clusters * MCLBYTES; |
112 | totfree = mbstat.m_clfree * MCLBYTES; | |
f9ae784a | 113 | printf("%u Kbytes allocated to network (%d%% in use)\n", |
c1567c4d | 114 | totmem / 1024, (totmem - totfree) * 100 / totmem); |
f9ae784a MK |
115 | printf("%u requests for memory denied\n", mbstat.m_drops); |
116 | printf("%u requests for memory delayed\n", mbstat.m_wait); | |
117 | printf("%u calls to protocol drain routines\n", mbstat.m_drain); | |
bad4305f | 118 | } |