Commit | Line | Data |
---|---|---|
5ff67f98 | 1 | /* |
b36fc510 | 2 | * Copyright (c) 1983, 1988 Regents of the University of California. |
ee3f90a5 MK |
3 | * All rights reserved. |
4 | * | |
87198c0c | 5 | * %sccs.include.redist.c% |
5ff67f98 DF |
6 | */ |
7 | ||
bad4305f | 8 | #ifndef lint |
d1cfb820 | 9 | static char sccsid[] = "@(#)mbuf.c 5.12 (Berkeley) %G%"; |
b36fc510 | 10 | #endif /* not lint */ |
bad4305f | 11 | |
24bf5f10 | 12 | #include <sys/param.h> |
6e549c8f KS |
13 | #include <sys/protosw.h> |
14 | #include <sys/socket.h> | |
bad4305f | 15 | #include <sys/mbuf.h> |
6e549c8f KS |
16 | |
17 | #include <stdio.h> | |
18 | #include "netstat.h" | |
19 | ||
7c69b0a9 MK |
20 | #define YES 1 |
21 | typedef int bool; | |
bad4305f SL |
22 | |
23 | struct mbstat mbstat; | |
bad4305f | 24 | |
02c6746b SL |
25 | static struct mbtypes { |
26 | int mt_type; | |
27 | char *mt_name; | |
28 | } mbtypes[] = { | |
29 | { MT_DATA, "data" }, | |
a65693cc MK |
30 | { MT_OOBDATA, "oob data" }, |
31 | { MT_CONTROL, "ancillary data" }, | |
02c6746b | 32 | { MT_HEADER, "packet headers" }, |
a65693cc MK |
33 | { MT_SOCKET, "socket structures" }, /* XXX */ |
34 | { MT_PCB, "protocol control blocks" }, /* XXX */ | |
35 | { MT_RTABLE, "routing table entries" }, /* XXX */ | |
36 | { MT_HTABLE, "IMP host table entries" }, /* XXX */ | |
02c6746b | 37 | { MT_ATABLE, "address resolution tables" }, |
a65693cc | 38 | { MT_FTABLE, "fragment reassembly queue headers" }, /* XXX */ |
02c6746b | 39 | { MT_SONAME, "socket names and addresses" }, |
02c6746b | 40 | { MT_SOOPTS, "socket options" }, |
1ab9ab56 | 41 | { MT_RIGHTS, "access rights" }, |
6e549c8f | 42 | { MT_IFADDR, "interface addresses" }, /* XXX */ |
02c6746b SL |
43 | { 0, 0 } |
44 | }; | |
45 | ||
7c69b0a9 MK |
46 | int nmbtypes = sizeof(mbstat.m_mtypes) / sizeof(short); |
47 | bool seen[256]; /* "have we seen this type yet?" */ | |
48 | ||
bad4305f SL |
49 | /* |
50 | * Print mbuf statistics. | |
51 | */ | |
6e549c8f | 52 | void |
bad4305f | 53 | mbpr(mbaddr) |
d1cfb820 | 54 | u_long mbaddr; |
bad4305f | 55 | { |
02c6746b | 56 | register int totmem, totfree, totmbufs; |
7c69b0a9 | 57 | register int i; |
02c6746b | 58 | register struct mbtypes *mp; |
24bf5f10 | 59 | |
7c69b0a9 | 60 | if (nmbtypes != 256) { |
6e549c8f KS |
61 | fprintf(stderr, |
62 | "%s: unexpected change to mbstat; check source\n", prog); | |
7c69b0a9 MK |
63 | return; |
64 | } | |
bad4305f | 65 | if (mbaddr == 0) { |
6e549c8f | 66 | fprintf(stderr, "%s: mbstat: symbol not in namelist\n", prog); |
bad4305f SL |
67 | return; |
68 | } | |
6e549c8f | 69 | if (kread(mbaddr, (char *)&mbstat, sizeof (mbstat))) |
24bf5f10 | 70 | return; |
02c6746b | 71 | totmbufs = 0; |
a65693cc MK |
72 | for (mp = mbtypes; mp->mt_name; mp++) |
73 | totmbufs += mbstat.m_mtypes[mp->mt_type]; | |
74 | printf("%u mbufs in use:\n", totmbufs); | |
02c6746b SL |
75 | for (mp = mbtypes; mp->mt_name; mp++) |
76 | if (mbstat.m_mtypes[mp->mt_type]) { | |
7c69b0a9 | 77 | seen[mp->mt_type] = YES; |
f9ae784a | 78 | printf("\t%u mbufs allocated to %s\n", |
7c69b0a9 | 79 | mbstat.m_mtypes[mp->mt_type], mp->mt_name); |
02c6746b | 80 | } |
7c69b0a9 MK |
81 | seen[MT_FREE] = YES; |
82 | for (i = 0; i < nmbtypes; i++) | |
83 | if (!seen[i] && mbstat.m_mtypes[i]) { | |
f9ae784a | 84 | printf("\t%u mbufs allocated to <mbuf type %d>\n", |
7c69b0a9 | 85 | mbstat.m_mtypes[i], i); |
7c69b0a9 | 86 | } |
f9ae784a | 87 | printf("%u/%u mapped pages in use\n", |
24bf5f10 | 88 | mbstat.m_clusters - mbstat.m_clfree, mbstat.m_clusters); |
51d84d35 MK |
89 | totmem = totmbufs * MSIZE + mbstat.m_clusters * MCLBYTES; |
90 | totfree = mbstat.m_clfree * MCLBYTES; | |
f9ae784a | 91 | printf("%u Kbytes allocated to network (%d%% in use)\n", |
c1567c4d | 92 | totmem / 1024, (totmem - totfree) * 100 / totmem); |
f9ae784a MK |
93 | printf("%u requests for memory denied\n", mbstat.m_drops); |
94 | printf("%u requests for memory delayed\n", mbstat.m_wait); | |
95 | printf("%u calls to protocol drain routines\n", mbstat.m_drain); | |
bad4305f | 96 | } |