1175061Sobrien/*- 21590Srgrimes * Copyright (c) 1983, 1988, 1993 3148115Srwatson * The Regents of the University of California. 4148115Srwatson * Copyright (c) 2005 Robert N. M. Watson 5148115Srwatson * All rights reserved. 61590Srgrimes * 71590Srgrimes * Redistribution and use in source and binary forms, with or without 81590Srgrimes * modification, are permitted provided that the following conditions 91590Srgrimes * are met: 101590Srgrimes * 1. Redistributions of source code must retain the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer. 121590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 131590Srgrimes * notice, this list of conditions and the following disclaimer in the 141590Srgrimes * documentation and/or other materials provided with the distribution. 151590Srgrimes * 3. All advertising materials mentioning features or use of this software 161590Srgrimes * must display the following acknowledgement: 171590Srgrimes * This product includes software developed by the University of 181590Srgrimes * California, Berkeley and its contributors. 191590Srgrimes * 4. Neither the name of the University nor the names of its contributors 201590Srgrimes * may be used to endorse or promote products derived from this software 211590Srgrimes * without specific prior written permission. 221590Srgrimes * 231590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 241590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 251590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 261590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 271590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 281590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 291590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 301590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 311590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 321590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 331590Srgrimes * SUCH DAMAGE. 341590Srgrimes */ 351590Srgrimes 36132671Scharnier#if 0 371590Srgrimes#ifndef lint 381590Srgrimesstatic char sccsid[] = "@(#)mbuf.c 8.1 (Berkeley) 6/6/93"; 39132671Scharnier#endif /* not lint */ 4027753Scharnier#endif 411590Srgrimes 42132671Scharnier#include <sys/cdefs.h> 43132671Scharnier__FBSDID("$FreeBSD$"); 44132671Scharnier 451590Srgrimes#include <sys/param.h> 4623086Swollman#include <sys/mbuf.h> 471590Srgrimes#include <sys/protosw.h> 481590Srgrimes#include <sys/socket.h> 49171465Sjhb#include <sys/socketvar.h> 5023086Swollman#include <sys/sysctl.h> 511590Srgrimes 5227753Scharnier#include <err.h> 53152378Srwatson#include <kvm.h> 54148115Srwatson#include <memstat.h> 55160787Syar#include <stdint.h> 561590Srgrimes#include <stdio.h> 57200462Sdelphij#include <stdlib.h> 58200462Sdelphij#include <string.h> 591590Srgrimes#include "netstat.h" 601590Srgrimes 611590Srgrimes/* 62152378Srwatson * Print mbuf statistics. 631590Srgrimes */ 641590Srgrimesvoid 65152378Srwatsonmbpr(void *kvmd, u_long mbaddr) 661590Srgrimes{ 67148115Srwatson struct memory_type_list *mtlp; 68148115Srwatson struct memory_type *mtp; 69160787Syar uintmax_t mbuf_count, mbuf_bytes, mbuf_free, mbuf_failures, mbuf_size; 70248356Salfred uintmax_t mbuf_sleeps; 71160787Syar uintmax_t cluster_count, cluster_bytes, cluster_limit, cluster_free; 72248356Salfred uintmax_t cluster_failures, cluster_size, cluster_sleeps; 73160787Syar uintmax_t packet_count, packet_bytes, packet_free, packet_failures; 74248356Salfred uintmax_t packet_sleeps; 75160787Syar uintmax_t tag_count, tag_bytes; 76160787Syar uintmax_t jumbop_count, jumbop_bytes, jumbop_limit, jumbop_free; 77248356Salfred uintmax_t jumbop_failures, jumbop_sleeps, jumbop_size; 78160787Syar uintmax_t jumbo9_count, jumbo9_bytes, jumbo9_limit, jumbo9_free; 79248356Salfred uintmax_t jumbo9_failures, jumbo9_sleeps, jumbo9_size; 80160787Syar uintmax_t jumbo16_count, jumbo16_bytes, jumbo16_limit, jumbo16_free; 81248356Salfred uintmax_t jumbo16_failures, jumbo16_sleeps, jumbo16_size; 82160787Syar uintmax_t bytes_inuse, bytes_incache, bytes_total; 83148115Srwatson int nsfbufs, nsfbufspeak, nsfbufsused; 84148115Srwatson struct mbstat mbstat; 85148115Srwatson size_t mlen; 86171465Sjhb int error; 87148115Srwatson 88148115Srwatson mtlp = memstat_mtl_alloc(); 89148115Srwatson if (mtlp == NULL) { 90148115Srwatson warn("memstat_mtl_alloc"); 91148115Srwatson return; 92148115Srwatson } 93148115Srwatson 94148115Srwatson /* 95152378Srwatson * Use memstat_*_all() because some mbuf-related memory is in uma(9), 96152378Srwatson * and some malloc(9). 97148115Srwatson */ 98152378Srwatson if (live) { 99152378Srwatson if (memstat_sysctl_all(mtlp, 0) < 0) { 100152378Srwatson warnx("memstat_sysctl_all: %s", 101152378Srwatson memstat_strerror(memstat_mtl_geterror(mtlp))); 102152378Srwatson goto out; 103152378Srwatson } 104152378Srwatson } else { 105152378Srwatson if (memstat_kvm_all(mtlp, kvmd) < 0) { 106152378Srwatson error = memstat_mtl_geterror(mtlp); 107152378Srwatson if (error == MEMSTAT_ERROR_KVM) 108152378Srwatson warnx("memstat_kvm_all: %s", 109152378Srwatson kvm_geterr(kvmd)); 110152378Srwatson else 111152378Srwatson warnx("memstat_kvm_all: %s", 112152378Srwatson memstat_strerror(error)); 113152378Srwatson goto out; 114152378Srwatson } 115148115Srwatson } 116148115Srwatson 117148115Srwatson mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_MEM_NAME); 118148115Srwatson if (mtp == NULL) { 119148115Srwatson warnx("memstat_mtl_find: zone %s not found", MBUF_MEM_NAME); 120148115Srwatson goto out; 121148115Srwatson } 122148115Srwatson mbuf_count = memstat_get_count(mtp); 123148115Srwatson mbuf_bytes = memstat_get_bytes(mtp); 124148115Srwatson mbuf_free = memstat_get_free(mtp); 125148115Srwatson mbuf_failures = memstat_get_failures(mtp); 126248356Salfred mbuf_sleeps = memstat_get_sleeps(mtp); 127148115Srwatson mbuf_size = memstat_get_size(mtp); 128148115Srwatson 129148115Srwatson mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_PACKET_MEM_NAME); 130148115Srwatson if (mtp == NULL) { 131148115Srwatson warnx("memstat_mtl_find: zone %s not found", 132148115Srwatson MBUF_PACKET_MEM_NAME); 133148115Srwatson goto out; 134148115Srwatson } 135148115Srwatson packet_count = memstat_get_count(mtp); 136148115Srwatson packet_bytes = memstat_get_bytes(mtp); 137148115Srwatson packet_free = memstat_get_free(mtp); 138248356Salfred packet_sleeps = memstat_get_sleeps(mtp); 139148115Srwatson packet_failures = memstat_get_failures(mtp); 140148115Srwatson 141148115Srwatson mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_CLUSTER_MEM_NAME); 142148115Srwatson if (mtp == NULL) { 143148115Srwatson warnx("memstat_mtl_find: zone %s not found", 144148115Srwatson MBUF_CLUSTER_MEM_NAME); 145148115Srwatson goto out; 146148115Srwatson } 147148115Srwatson cluster_count = memstat_get_count(mtp); 148148115Srwatson cluster_bytes = memstat_get_bytes(mtp); 149148115Srwatson cluster_limit = memstat_get_countlimit(mtp); 150148115Srwatson cluster_free = memstat_get_free(mtp); 151148115Srwatson cluster_failures = memstat_get_failures(mtp); 152248356Salfred cluster_sleeps = memstat_get_sleeps(mtp); 153148115Srwatson cluster_size = memstat_get_size(mtp); 154148115Srwatson 155148115Srwatson mtp = memstat_mtl_find(mtlp, ALLOCATOR_MALLOC, MBUF_TAG_MEM_NAME); 156148115Srwatson if (mtp == NULL) { 157148115Srwatson warnx("memstat_mtl_find: malloc type %s not found", 158148115Srwatson MBUF_TAG_MEM_NAME); 159148115Srwatson goto out; 160148115Srwatson } 161148115Srwatson tag_count = memstat_get_count(mtp); 162148115Srwatson tag_bytes = memstat_get_bytes(mtp); 163148115Srwatson 164155809Sandre mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBOP_MEM_NAME); 165155809Sandre if (mtp == NULL) { 166155809Sandre warnx("memstat_mtl_find: zone %s not found", 167155809Sandre MBUF_JUMBOP_MEM_NAME); 168155809Sandre goto out; 169155809Sandre } 170155809Sandre jumbop_count = memstat_get_count(mtp); 171155809Sandre jumbop_bytes = memstat_get_bytes(mtp); 172155809Sandre jumbop_limit = memstat_get_countlimit(mtp); 173155809Sandre jumbop_free = memstat_get_free(mtp); 174155809Sandre jumbop_failures = memstat_get_failures(mtp); 175248356Salfred jumbop_sleeps = memstat_get_sleeps(mtp); 176155809Sandre jumbop_size = memstat_get_size(mtp); 177155809Sandre 178155809Sandre mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO9_MEM_NAME); 179155809Sandre if (mtp == NULL) { 180155809Sandre warnx("memstat_mtl_find: zone %s not found", 181155809Sandre MBUF_JUMBO9_MEM_NAME); 182155809Sandre goto out; 183155809Sandre } 184155809Sandre jumbo9_count = memstat_get_count(mtp); 185155809Sandre jumbo9_bytes = memstat_get_bytes(mtp); 186155809Sandre jumbo9_limit = memstat_get_countlimit(mtp); 187155809Sandre jumbo9_free = memstat_get_free(mtp); 188155809Sandre jumbo9_failures = memstat_get_failures(mtp); 189248356Salfred jumbo9_sleeps = memstat_get_sleeps(mtp); 190155809Sandre jumbo9_size = memstat_get_size(mtp); 191155809Sandre 192155809Sandre mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO16_MEM_NAME); 193155809Sandre if (mtp == NULL) { 194155809Sandre warnx("memstat_mtl_find: zone %s not found", 195155809Sandre MBUF_JUMBO16_MEM_NAME); 196155809Sandre goto out; 197155809Sandre } 198155809Sandre jumbo16_count = memstat_get_count(mtp); 199155809Sandre jumbo16_bytes = memstat_get_bytes(mtp); 200155809Sandre jumbo16_limit = memstat_get_countlimit(mtp); 201155809Sandre jumbo16_free = memstat_get_free(mtp); 202155809Sandre jumbo16_failures = memstat_get_failures(mtp); 203248356Salfred jumbo16_sleeps = memstat_get_sleeps(mtp); 204155809Sandre jumbo16_size = memstat_get_size(mtp); 205155809Sandre 206160787Syar printf("%ju/%ju/%ju mbufs in use (current/cache/total)\n", 207148115Srwatson mbuf_count + packet_count, mbuf_free + packet_free, 208148115Srwatson mbuf_count + packet_count + mbuf_free + packet_free); 209148115Srwatson 210160787Syar printf("%ju/%ju/%ju/%ju mbuf clusters in use " 211148115Srwatson "(current/cache/total/max)\n", 212148115Srwatson cluster_count - packet_free, cluster_free + packet_free, 213148115Srwatson cluster_count + cluster_free, cluster_limit); 214148115Srwatson 215160787Syar printf("%ju/%ju mbuf+clusters out of packet secondary zone in use " 216155811Sandre "(current/cache)\n", 217155811Sandre packet_count, packet_free); 218155811Sandre 219160787Syar printf("%ju/%ju/%ju/%ju %juk (page size) jumbo clusters in use " 220155809Sandre "(current/cache/total/max)\n", 221155809Sandre jumbop_count, jumbop_free, jumbop_count + jumbop_free, 222155809Sandre jumbop_limit, jumbop_size / 1024); 223155809Sandre 224160787Syar printf("%ju/%ju/%ju/%ju 9k jumbo clusters in use " 225155809Sandre "(current/cache/total/max)\n", 226155809Sandre jumbo9_count, jumbo9_free, jumbo9_count + jumbo9_free, 227155809Sandre jumbo9_limit); 228155809Sandre 229160787Syar printf("%ju/%ju/%ju/%ju 16k jumbo clusters in use " 230155809Sandre "(current/cache/total/max)\n", 231155809Sandre jumbo16_count, jumbo16_free, jumbo16_count + jumbo16_free, 232155809Sandre jumbo16_limit); 233155809Sandre 234148115Srwatson#if 0 235160787Syar printf("%ju mbuf tags in use\n", tag_count); 236148115Srwatson#endif 237148115Srwatson 238148115Srwatson /*- 239148115Srwatson * Calculate in-use bytes as: 240148115Srwatson * - straight mbuf memory 241148115Srwatson * - mbuf memory in packets 242148115Srwatson * - the clusters attached to packets 243148115Srwatson * - and the rest of the non-packet-attached clusters. 244148115Srwatson * - m_tag memory 245148115Srwatson * This avoids counting the clusters attached to packets in the cache. 246148115Srwatson * This currently excludes sf_buf space. 247148115Srwatson */ 248148115Srwatson bytes_inuse = 249148115Srwatson mbuf_bytes + /* straight mbuf memory */ 250148115Srwatson packet_bytes + /* mbufs in packets */ 251148115Srwatson (packet_count * cluster_size) + /* clusters in packets */ 252148115Srwatson /* other clusters */ 253148115Srwatson ((cluster_count - packet_count - packet_free) * cluster_size) + 254155809Sandre tag_bytes + 255155809Sandre (jumbop_count * jumbop_size) + /* jumbo clusters */ 256155809Sandre (jumbo9_count * jumbo9_size) + 257155809Sandre (jumbo16_count * jumbo16_size); 258148115Srwatson 259148115Srwatson /* 260148115Srwatson * Calculate in-cache bytes as: 261148115Srwatson * - cached straught mbufs 262148115Srwatson * - cached packet mbufs 263148115Srwatson * - cached packet clusters 264148115Srwatson * - cached straight clusters 265148115Srwatson * This currently excludes sf_buf space. 266148115Srwatson */ 267148115Srwatson bytes_incache = 268148115Srwatson (mbuf_free * mbuf_size) + /* straight free mbufs */ 269148115Srwatson (packet_free * mbuf_size) + /* mbufs in free packets */ 270148115Srwatson (packet_free * cluster_size) + /* clusters in free packets */ 271155809Sandre (cluster_free * cluster_size) + /* free clusters */ 272155809Sandre (jumbop_free * jumbop_size) + /* jumbo clusters */ 273155809Sandre (jumbo9_free * jumbo9_size) + 274155809Sandre (jumbo16_free * jumbo16_size); 275148115Srwatson 276148115Srwatson /* 277148115Srwatson * Total is bytes in use + bytes in cache. This doesn't take into 278148115Srwatson * account various other misc data structures, overhead, etc, but 279148115Srwatson * gives the user something useful despite that. 280148115Srwatson */ 281148115Srwatson bytes_total = bytes_inuse + bytes_incache; 282148115Srwatson 283160787Syar printf("%juK/%juK/%juK bytes allocated to network " 284148115Srwatson "(current/cache/total)\n", bytes_inuse / 1024, 285148115Srwatson bytes_incache / 1024, bytes_total / 1024); 286148115Srwatson 287160787Syar printf("%ju/%ju/%ju requests for mbufs denied (mbufs/clusters/" 288148115Srwatson "mbuf+clusters)\n", mbuf_failures, cluster_failures, 289148115Srwatson packet_failures); 290248356Salfred printf("%ju/%ju/%ju requests for mbufs delayed (mbufs/clusters/" 291248356Salfred "mbuf+clusters)\n", mbuf_sleeps, cluster_sleeps, 292248356Salfred packet_sleeps); 293148115Srwatson 294248356Salfred printf("%ju/%ju/%ju requests for jumbo clusters delayed " 295248356Salfred "(%juk/9k/16k)\n", jumbop_sleeps, jumbo9_sleeps, 296248356Salfred jumbo16_sleeps, jumbop_size / 1024); 297160787Syar printf("%ju/%ju/%ju requests for jumbo clusters denied " 298160787Syar "(%juk/9k/16k)\n", jumbop_failures, jumbo9_failures, 299155809Sandre jumbo16_failures, jumbop_size / 1024); 300155809Sandre 301152378Srwatson if (live) { 302155556Srwatson mlen = sizeof(nsfbufs); 303155556Srwatson if (!sysctlbyname("kern.ipc.nsfbufs", &nsfbufs, &mlen, NULL, 304155556Srwatson 0) && 305155556Srwatson !sysctlbyname("kern.ipc.nsfbufsused", &nsfbufsused, 306155556Srwatson &mlen, NULL, 0) && 307155556Srwatson !sysctlbyname("kern.ipc.nsfbufspeak", &nsfbufspeak, 308155556Srwatson &mlen, NULL, 0)) 309155556Srwatson printf("%d/%d/%d sfbufs in use (current/peak/max)\n", 310155556Srwatson nsfbufsused, nsfbufspeak, nsfbufs); 311152378Srwatson mlen = sizeof(mbstat); 312152378Srwatson if (sysctlbyname("kern.ipc.mbstat", &mbstat, &mlen, NULL, 0)) { 313152378Srwatson warn("kern.ipc.mbstat"); 314152378Srwatson goto out; 315152378Srwatson } 316152378Srwatson } else { 317175061Sobrien if (kread(mbaddr, (char *)&mbstat, sizeof mbstat) != 0) 318152378Srwatson goto out; 319148115Srwatson } 320152378Srwatson printf("%lu requests for sfbufs denied\n", mbstat.sf_allocfail); 321152378Srwatson printf("%lu requests for sfbufs delayed\n", mbstat.sf_allocwait); 322152378Srwatson printf("%lu requests for I/O initiated by sendfile\n", 323152378Srwatson mbstat.sf_iocnt); 324152378Srwatson printf("%lu calls to protocol drain routines\n", mbstat.m_drain); 325148115Srwatsonout: 326148115Srwatson memstat_mtl_free(mtlp); 327148115Srwatson} 328