X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/02c6746b0b7a05ed127aa5bb8a2799856b3ec1b4..7c69b0a93849e4342cef36fe09c036b501dec8b5:/usr/src/usr.bin/netstat/mbuf.c diff --git a/usr/src/usr.bin/netstat/mbuf.c b/usr/src/usr.bin/netstat/mbuf.c index c0378040cf..d1b84c87b7 100644 --- a/usr/src/usr.bin/netstat/mbuf.c +++ b/usr/src/usr.bin/netstat/mbuf.c @@ -1,9 +1,12 @@ #ifndef lint -static char sccsid[] = "@(#)mbuf.c 4.5 82/12/18"; +static char sccsid[] = "@(#)mbuf.c 4.8 85/04/07"; #endif +#include #include #include +#define YES 1 +typedef int bool; struct mbstat mbstat; extern int kmem; @@ -18,16 +21,19 @@ static struct mbtypes { { MT_PCB, "protocol control blocks" }, { MT_RTABLE, "routing table entries" }, { MT_HTABLE, "IMP host table entries" }, -#ifdef notdef { MT_ATABLE, "address resolution tables" }, -#endif { MT_FTABLE, "fragment reassembly queue headers" }, { MT_SONAME, "socket names and addresses" }, { MT_ZOMBIE, "zombie process information" }, { MT_SOOPTS, "socket options" }, + { MT_RIGHTS, "access rights" }, + { MT_IFADDR, "interface addresses" }, { 0, 0 } }; +int nmbtypes = sizeof(mbstat.m_mtypes) / sizeof(short); +bool seen[256]; /* "have we seen this type yet?" */ + /* * Print mbuf statistics. */ @@ -35,8 +41,13 @@ mbpr(mbaddr) off_t mbaddr; { register int totmem, totfree, totmbufs; + register int i; register struct mbtypes *mp; + if (nmbtypes != 256) { + fprintf(stderr, "unexpected change to mbstat; check source\n"); + return; + } if (mbaddr == 0) { printf("mbstat: symbol not in namelist\n"); return; @@ -47,21 +58,29 @@ mbpr(mbaddr) return; } printf("%d/%d mbufs in use:\n", - mbstat.m_mbufs - mbstat.m_mbfree, mbstat.m_mbufs); + mbstat.m_mbufs - mbstat.m_mtypes[MT_FREE], mbstat.m_mbufs); totmbufs = 0; for (mp = mbtypes; mp->mt_name; mp++) if (mbstat.m_mtypes[mp->mt_type]) { + seen[mp->mt_type] = YES; printf("\t%d mbufs allocated to %s\n", - mbstat.m_mtypes[mp->mt_type], mp->mt_name); + mbstat.m_mtypes[mp->mt_type], mp->mt_name); totmbufs += mbstat.m_mtypes[mp->mt_type]; } - if (totmbufs != mbstat.m_mbufs - mbstat.m_mbfree) + seen[MT_FREE] = YES; + for (i = 0; i < nmbtypes; i++) + if (!seen[i] && mbstat.m_mtypes[i]) { + printf("\t%d mbufs allocated to \n", + mbstat.m_mtypes[i], i); + totmbufs += mbstat.m_mtypes[i]; + } + if (totmbufs != mbstat.m_mbufs - mbstat.m_mtypes[MT_FREE]) printf("*** %d mbufs missing ***\n", - (mbstat.m_mbufs - mbstat.m_mbfree) - totmbufs); + (mbstat.m_mbufs - mbstat.m_mtypes[MT_FREE]) - totmbufs); printf("%d/%d mapped pages in use\n", mbstat.m_clusters - mbstat.m_clfree, mbstat.m_clusters); totmem = mbstat.m_mbufs * MSIZE + mbstat.m_clusters * CLBYTES; - totfree = mbstat.m_mbfree * MSIZE + mbstat.m_clusters * CLBYTES; + totfree = mbstat.m_mtypes[MT_FREE]*MSIZE + mbstat.m_clfree * CLBYTES; printf("%d Kbytes allocated to network (%d%% in use)\n", totmem / 1024, (totmem - totfree) * 100 / totmem); printf("%d requests for memory denied\n", mbstat.m_drops);