132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
#ident "$Header: /proj/irix6.5.7m/isms/irix/cmd/icrash_old/cmds/RCS/cmd_mbstat.c,v 1.1 1999/05/25 19:19:20 tjm Exp $"
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#include <sys/types.h>
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#include <sys/param.h>
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#include <stdio.h>
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#include <errno.h>
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#include <sys/mbuf.h>
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#include <sys/tcpipstats.h>
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#include "icrash.h"
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#include "extern.h"
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static struct mbtypes {
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int mt_type;
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char *mt_name;
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} mbtypes[] = {
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{ MT_DATA, "data" },
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{ MT_HEADER, "packet headers" },
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{ MT_SOCKET, "socket structures" },
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{ MT_PCB, "protocol control blocks" },
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{ MT_RTABLE, "routing table entries" },
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{ MT_HTABLE, "IMP host table entries" },
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{ MT_ATABLE, "address resolution tables" },
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{ MT_FTABLE, "fragment reassembly queue headers" },
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{ MT_SONAME, "socket names and addresses" },
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{ MT_SOOPTS, "socket options" },
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{ MT_RIGHTS, "access rights" },
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{ MT_IFADDR, "interface addresses" },
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{ MT_DN_DRBUF, "4DDN driver buffers" },
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{ MT_DN_BLK, "4DDN block allocator" },
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{ MT_DN_BD, "4DDN board-mbuf conversions" },
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{ MT_IPMOPTS, "internet multicast options" },
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{ MT_MRTABLE, "multicast routing structures" },
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{ MT_SAT, "security audit trail buffers" },
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{ 0, 0 }
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};
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/*
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* mbstat_cmd()
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*
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* Use the 'netstat -m' output to print out the list of mbuf
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* statistics. Some code comes directly from the
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* irix/cmd/bsd/netstat/mbuf.c module.
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*/
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int
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mbstat_cmd(command_t cmd)
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{
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int i, totmbufs, totmem, totfree, nmbtypes;
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FILE *ofp;
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struct mbstat *mbs;
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register struct mbtypes *mp;
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int seen[256];
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mbs = (struct mbstat*)alloc_block(sizeof (struct mbstat), B_TEMP);
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if (get_mbstat(mbs)) {
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fprintf(cmd.ofp, "No mbuf statistics available!\n");
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kl_print_error(K);
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}
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else {
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nmbtypes = sizeof(mbs->m_mtypes) / sizeof(mbs->m_mtypes[0]);
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fprintf(cmd.ofp,
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"%d/%d mbufs in use:\n",
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mbs->m_mbufs - mbs->m_mtypes[MT_FREE], mbs->m_mbufs);
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totmbufs = 0;
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for (mp = mbtypes; mp->mt_name; mp++) {
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if (mbs->m_mtypes[mp->mt_type]) {
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seen[mp->mt_type] = TRUE;
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fprintf(cmd.ofp, "\t%u mbufs allocated to %s\n",
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mbs->m_mtypes[mp->mt_type], mp->mt_name);
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totmbufs += mbs->m_mtypes[mp->mt_type];
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}
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}
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seen[MT_FREE] = TRUE;
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for (i = 0; i < nmbtypes; i++) {
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if (!seen[i] && mbs->m_mtypes[i]) {
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fprintf(cmd.ofp, "\t%u mbufs allocated to <mbuf type %d>\n",
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mbs->m_mtypes[i], i);
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totmbufs += mbs->m_mtypes[i];
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}
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}
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if (totmbufs != mbs->m_mbufs - mbs->m_mtypes[MT_FREE]) {
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fprintf(cmd.ofp, "*** %d mbufs missing ***\n",
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(mbs->m_mbufs - mbs->m_mtypes[MT_FREE]) - totmbufs);
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}
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fprintf(cmd.ofp, "%u/%u mapped pages in use\n",
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mbs->m_clusters - mbs->m_clfree, mbs->m_clusters);
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totmem = mbs->m_clusters * pagesz;
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totfree = mbs->m_mtypes[MT_FREE] * mbufconst.m_msize;
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fprintf(cmd.ofp, "%u Kbytes allocated to network (%d%% in use)\n",
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totmem / 1024, (totmem - totfree) * 100 / totmem);
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fprintf(cmd.ofp, "%u requests for memory denied\n", mbs->m_drops);
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fprintf(cmd.ofp, "%u requests for memory delayed\n", mbs->m_wait);
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fprintf(cmd.ofp, "%u calls to protocol drain routines\n", mbs->m_drain);
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}
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return(0);
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}
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#define _MBSTAT_USAGE "[-w outfile]"
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/*
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* mbstat_usage() -- Print the usage string for the 'mbstat' command.
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*/
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void
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mbstat_usage(command_t cmd)
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{
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CMD_USAGE(cmd, _MBSTAT_USAGE);
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}
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/*
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* mbstat_help() -- Print the help information for the 'mbstat' command.
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*/
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void
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mbstat_help(command_t cmd)
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{
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CMD_HELP(cmd, _MBSTAT_USAGE,
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"Dump out the mbuf statistics in the corefile.");
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}
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/*
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* mbstat_parse() -- Parse the command line arguments for 'mbstat'.
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*/
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int
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mbstat_parse(command_t cmd)
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{
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return (C_WRITE|C_FALSE);
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}
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