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- /*
- * Copyright (c) 2003 Daniel Hartmeier
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * - 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
- * COPYRIGHT HOLDERS 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.
- *
- */
- #include <sys/param.h>
- #include <sys/queue.h>
- #include <sys/mbuf.h>
- #include <sys/sysctl.h>
- #include <sys/errno.h>
- #include <sys/pool.h>
- #include <errno.h>
- #include <string.h>
- #include <unistd.h>
- #include "conf.h"
- #include "error.h"
- #include "symon.h"
- #ifndef HAS_KERN_MBSTAT
- void
- init_mbuf(struct stream *st)
- {
- fatal("mbuf module requires system upgrade (sysctl.h/KERN_MBSTAT)");
- }
- int
- get_mbuf(char *symon_buf, int maxlen, struct stream *st)
- {
- fatal("mbuf module requires system upgrade (sysctl.h/KERN_MBSTAT)");
- }
- #else
- void
- init_mbuf(struct stream *st)
- {
- info("started module mbuf(%.200s)", st->arg);
- }
- int
- get_mbuf(char *symon_buf, int maxlen, struct stream *st)
- {
- struct mbstat mbstat;
- int npools;
- struct kinfo_pool pool, mbpool, mclpool;
- int mib[4];
- size_t size;
- int i;
- char name[32];
- int flag = 0;
- int nmbtypes = sizeof(mbstat.m_mtypes) / sizeof(short);
- int page_size = getpagesize();
- int totmem, totused, totmbufs, totpct;
- u_int32_t stats[15];
- totmem = totused = 0;
- mib[0] = CTL_KERN;
- mib[1] = KERN_MBSTAT;
- size = sizeof(mbstat);
- if (sysctl(mib, 2, &mbstat, &size, NULL, 0) < 0) {
- warning("mbuf(%.200s) failed (sysctl() %.200s)", st->arg, strerror(errno));
- return 0;
- }
- mib[0] = CTL_KERN;
- mib[1] = KERN_POOL;
- mib[2] = KERN_POOL_NPOOLS;
- size = sizeof(npools);
- if (sysctl(mib, 3, &npools, &size, NULL, 0) < 0) {
- warning("mbuf(%.200s) failed (sysctl() %.200s)", st->arg, strerror(errno));
- return 0;
- }
- for (i = 1; npools; ++i) {
- mib[0] = CTL_KERN;
- mib[1] = KERN_POOL;
- mib[2] = KERN_POOL_POOL;
- mib[3] = i;
- size = sizeof(pool);
- if (sysctl(mib, 4, &pool, &size, NULL, 0) < 0) {
- warning("mbuf(%.200s) failed (sysctl() %.200s)", st->arg, strerror(errno));
- return 0;
- }
- npools--;
- mib[2] = KERN_POOL_NAME;
- size = sizeof(name);
- if (sysctl(mib, 4, name, &size, NULL, 0) < 0) {
- warning("mbuf(%.200s) failed (sysctl() %.200s)", st->arg, strerror(errno));
- return (0);
- }
- if (!strcmp(name, "mbpl") || !strcmp(name, "mbufpl")) {
- bcopy(&pool, &mbpool, sizeof(pool));
- flag |= (1 << 0);
- } else if (!strcmp(name, "mclpl")) {
- bcopy(&pool, &mclpool, sizeof(pool));
- totmem += mclpool.pr_npages * page_size;
- totused += (mclpool.pr_nget - mclpool.pr_nput) * mclpool.pr_size;
- flag |= (1 << 1);
- } else if (!strcmp(name, "mcl2k")) {
- bcopy(&pool, &mclpool, sizeof(pool));
- totmem += mclpool.pr_npages * page_size;
- totused += (mclpool.pr_nget - mclpool.pr_nput) * mclpool.pr_size;
- flag |= (1 << 2);
- } else if (!strcmp(name, "mcl4k")) {
- bcopy(&pool, &mclpool, sizeof(pool));
- totmem += mclpool.pr_npages * page_size;
- totused += (mclpool.pr_nget - mclpool.pr_nput) * mclpool.pr_size;
- flag |= (1 << 3);
- } else if (!strcmp(name, "mcl8k")) {
- bcopy(&pool, &mclpool, sizeof(pool));
- totmem += mclpool.pr_npages * page_size;
- totused += (mclpool.pr_nget - mclpool.pr_nput) * mclpool.pr_size;
- flag |= (1 << 4);
- } else if (!strcmp(name, "mcl9k")) {
- bcopy(&pool, &mclpool, sizeof(pool));
- totmem += mclpool.pr_npages * page_size;
- totused += (mclpool.pr_nget - mclpool.pr_nput) * mclpool.pr_size;
- flag |= (1 << 5);
- } else if (!strcmp(name, "mcl12k")) {
- bcopy(&pool, &mclpool, sizeof(pool));
- totmem += mclpool.pr_npages * page_size;
- totused += (mclpool.pr_nget - mclpool.pr_nput) * mclpool.pr_size;
- flag |= (1 << 6);
- } else if (!strcmp(name, "mcl16k")) {
- bcopy(&pool, &mclpool, sizeof(pool));
- totmem += mclpool.pr_npages * page_size;
- totused += (mclpool.pr_nget - mclpool.pr_nput) * mclpool.pr_size;
- flag |= (1 << 7);
- } else if (!strcmp(name, "mcl64k")) {
- bcopy(&pool, &mclpool, sizeof(pool));
- totmem += mclpool.pr_npages * page_size;
- totused += (mclpool.pr_nget - mclpool.pr_nput) * mclpool.pr_size;
- flag |= (1 << 8);
- }
- if (flag == 3 || flag == 509)
- break;
- }
- /* Check pre/post h2k8 mcpl */
- if ((flag != 3) && (flag != 509)) {
- warning("mbuf(%.200s) failed (%d)", st->arg, flag);
- return 0;
- }
- totmbufs = 0;
- for (i = 0; i < nmbtypes; ++i)
- totmbufs += mbstat.m_mtypes[i];
- totmem += mbpool.pr_npages * page_size;
- totused += (mbpool.pr_nget - mbpool.pr_nput) * mbpool.pr_size;
- totpct = (totmem == 0) ? 0 : ((totused * 100) / totmem);
- stats[0] = totmbufs;
- stats[1] = mbstat.m_mtypes[MT_DATA];
- stats[2] = mbstat.m_mtypes[MT_OOBDATA];
- stats[3] = mbstat.m_mtypes[MT_CONTROL];
- stats[4] = mbstat.m_mtypes[MT_HEADER];
- stats[5] = mbstat.m_mtypes[MT_FTABLE];
- stats[6] = mbstat.m_mtypes[MT_SONAME];
- stats[7] = mbstat.m_mtypes[MT_SOOPTS];
- stats[8] = mclpool.pr_nget - mclpool.pr_nput;
- stats[9] = mclpool.pr_npages * mclpool.pr_itemsperpage;
- stats[10] = totmem;
- stats[11] = totpct;
- stats[12] = mbstat.m_drops;
- stats[13] = mbstat.m_wait;
- stats[14] = mbstat.m_drain;
- return snpack(symon_buf, maxlen, st->arg, MT_MBUF,
- stats[0],
- stats[1],
- stats[2],
- stats[3],
- stats[4],
- stats[5],
- stats[6],
- stats[7],
- stats[8],
- stats[9],
- stats[10],
- stats[11],
- stats[12],
- stats[13],
- stats[14]);
- }
- #endif /* HAS_KERN_MBSTAT */
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