1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1983, 1988, 1993 5 * The Regents of the University of California. 6 * Copyright (c) 2005 Robert N. M. Watson 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #if 0 39 #endif 40 41 #include <sys/cdefs.h> 42 #include <sys/param.h> 43 #include <sys/mbuf.h> 44 #include <sys/protosw.h> 45 #include <sys/sf_buf.h> 46 #include <sys/socket.h> 47 #include <sys/socketvar.h> 48 #include <sys/sysctl.h> 49 50 #include <err.h> 51 #include <kvm.h> 52 #include <memstat.h> 53 #include <stdint.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <stdbool.h> 57 #include <string.h> 58 #include <libxo/xo.h> 59 #include "netstat.h" 60 61 /* 62 * Print mbuf statistics. 63 */ 64 void 65 mbpr(void *kvmd, u_long mbaddr) 66 { 67 struct memory_type_list *mtlp; 68 struct memory_type *mtp; 69 uintmax_t mbuf_count, mbuf_bytes, mbuf_free, mbuf_failures, mbuf_size; 70 uintmax_t mbuf_sleeps; 71 uintmax_t cluster_count, cluster_limit, cluster_free; 72 uintmax_t cluster_failures, cluster_size, cluster_sleeps; 73 uintmax_t packet_count, packet_bytes, packet_free, packet_failures; 74 uintmax_t packet_sleeps; 75 uintmax_t tag_bytes; 76 uintmax_t jumbop_count, jumbop_limit, jumbop_free; 77 uintmax_t jumbop_failures, jumbop_sleeps, jumbop_size; 78 uintmax_t jumbo9_count, jumbo9_limit, jumbo9_free; 79 uintmax_t jumbo9_failures, jumbo9_sleeps, jumbo9_size; 80 uintmax_t jumbo16_count, jumbo16_limit, jumbo16_free; 81 uintmax_t jumbo16_failures, jumbo16_sleeps, jumbo16_size; 82 uintmax_t bytes_inuse, bytes_incache, bytes_total; 83 int nsfbufs, nsfbufspeak, nsfbufsused; 84 struct sfstat sfstat; 85 size_t mlen; 86 int error; 87 88 mtlp = memstat_mtl_alloc(); 89 if (mtlp == NULL) { 90 xo_warn("memstat_mtl_alloc"); 91 return; 92 } 93 94 /* 95 * Use memstat_*_all() because some mbuf-related memory is in uma(9), 96 * and some malloc(9). 97 */ 98 if (live) { 99 if (memstat_sysctl_all(mtlp, 0) < 0) { 100 xo_warnx("memstat_sysctl_all: %s", 101 memstat_strerror(memstat_mtl_geterror(mtlp))); 102 goto out; 103 } 104 } else { 105 if (memstat_kvm_all(mtlp, kvmd) < 0) { 106 error = memstat_mtl_geterror(mtlp); 107 if (error == MEMSTAT_ERROR_KVM) 108 xo_warnx("memstat_kvm_all: %s", 109 kvm_geterr(kvmd)); 110 else 111 xo_warnx("memstat_kvm_all: %s", 112 memstat_strerror(error)); 113 goto out; 114 } 115 } 116 117 mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_MEM_NAME); 118 if (mtp == NULL) { 119 xo_warnx("memstat_mtl_find: zone %s not found", MBUF_MEM_NAME); 120 goto out; 121 } 122 mbuf_count = memstat_get_count(mtp); 123 mbuf_bytes = memstat_get_bytes(mtp); 124 mbuf_free = memstat_get_free(mtp); 125 mbuf_failures = memstat_get_failures(mtp); 126 mbuf_sleeps = memstat_get_sleeps(mtp); 127 mbuf_size = memstat_get_size(mtp); 128 129 mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_PACKET_MEM_NAME); 130 if (mtp == NULL) { 131 xo_warnx("memstat_mtl_find: zone %s not found", 132 MBUF_PACKET_MEM_NAME); 133 goto out; 134 } 135 packet_count = memstat_get_count(mtp); 136 packet_bytes = memstat_get_bytes(mtp); 137 packet_free = memstat_get_free(mtp); 138 packet_sleeps = memstat_get_sleeps(mtp); 139 packet_failures = memstat_get_failures(mtp); 140 141 mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_CLUSTER_MEM_NAME); 142 if (mtp == NULL) { 143 xo_warnx("memstat_mtl_find: zone %s not found", 144 MBUF_CLUSTER_MEM_NAME); 145 goto out; 146 } 147 cluster_count = memstat_get_count(mtp); 148 cluster_limit = memstat_get_countlimit(mtp); 149 cluster_free = memstat_get_free(mtp); 150 cluster_failures = memstat_get_failures(mtp); 151 cluster_sleeps = memstat_get_sleeps(mtp); 152 cluster_size = memstat_get_size(mtp); 153 154 mtp = memstat_mtl_find(mtlp, ALLOCATOR_MALLOC, MBUF_TAG_MEM_NAME); 155 if (mtp == NULL) { 156 xo_warnx("memstat_mtl_find: malloc type %s not found", 157 MBUF_TAG_MEM_NAME); 158 goto out; 159 } 160 tag_bytes = memstat_get_bytes(mtp); 161 162 mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBOP_MEM_NAME); 163 if (mtp == NULL) { 164 xo_warnx("memstat_mtl_find: zone %s not found", 165 MBUF_JUMBOP_MEM_NAME); 166 goto out; 167 } 168 jumbop_count = memstat_get_count(mtp); 169 jumbop_limit = memstat_get_countlimit(mtp); 170 jumbop_free = memstat_get_free(mtp); 171 jumbop_failures = memstat_get_failures(mtp); 172 jumbop_sleeps = memstat_get_sleeps(mtp); 173 jumbop_size = memstat_get_size(mtp); 174 175 mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO9_MEM_NAME); 176 if (mtp == NULL) { 177 xo_warnx("memstat_mtl_find: zone %s not found", 178 MBUF_JUMBO9_MEM_NAME); 179 goto out; 180 } 181 jumbo9_count = memstat_get_count(mtp); 182 jumbo9_limit = memstat_get_countlimit(mtp); 183 jumbo9_free = memstat_get_free(mtp); 184 jumbo9_failures = memstat_get_failures(mtp); 185 jumbo9_sleeps = memstat_get_sleeps(mtp); 186 jumbo9_size = memstat_get_size(mtp); 187 188 mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO16_MEM_NAME); 189 if (mtp == NULL) { 190 xo_warnx("memstat_mtl_find: zone %s not found", 191 MBUF_JUMBO16_MEM_NAME); 192 goto out; 193 } 194 jumbo16_count = memstat_get_count(mtp); 195 jumbo16_limit = memstat_get_countlimit(mtp); 196 jumbo16_free = memstat_get_free(mtp); 197 jumbo16_failures = memstat_get_failures(mtp); 198 jumbo16_sleeps = memstat_get_sleeps(mtp); 199 jumbo16_size = memstat_get_size(mtp); 200 201 xo_open_container("mbuf-statistics"); 202 203 xo_emit("{:mbuf-current/%ju}/{:mbuf-cache/%ju}/{:mbuf-total/%ju} " 204 "{N:mbufs in use (current\\/cache\\/total)}\n", 205 mbuf_count + packet_count, mbuf_free + packet_free, 206 mbuf_count + packet_count + mbuf_free + packet_free); 207 208 xo_emit("{:cluster-current/%ju}/{:cluster-cache/%ju}/" 209 "{:cluster-total/%ju}/{:cluster-max/%ju} " 210 "{N:mbuf clusters in use (current\\/cache\\/total\\/max)}\n", 211 cluster_count - packet_free, cluster_free + packet_free, 212 cluster_count + cluster_free, cluster_limit); 213 214 xo_emit("{:packet-count/%ju}/{:packet-free/%ju} " 215 "{N:mbuf+clusters out of packet secondary zone in use " 216 "(current\\/cache)}\n", 217 packet_count, packet_free); 218 219 xo_emit("{:jumbo-count/%ju}/{:jumbo-cache/%ju}/{:jumbo-total/%ju}/" 220 "{:jumbo-max/%ju} {:jumbo-page-size/%ju}{U:k} {N:(page size)} " 221 "{N:jumbo clusters in use (current\\/cache\\/total\\/max)}\n", 222 jumbop_count, jumbop_free, jumbop_count + jumbop_free, 223 jumbop_limit, jumbop_size / 1024); 224 225 xo_emit("{:jumbo9-count/%ju}/{:jumbo9-cache/%ju}/" 226 "{:jumbo9-total/%ju}/{:jumbo9-max/%ju} " 227 "{N:9k jumbo clusters in use (current\\/cache\\/total\\/max)}\n", 228 jumbo9_count, jumbo9_free, jumbo9_count + jumbo9_free, 229 jumbo9_limit); 230 231 xo_emit("{:jumbo16-count/%ju}/{:jumbo16-cache/%ju}/" 232 "{:jumbo16-total/%ju}/{:jumbo16-limit/%ju} " 233 "{N:16k jumbo clusters in use (current\\/cache\\/total\\/max)}\n", 234 jumbo16_count, jumbo16_free, jumbo16_count + jumbo16_free, 235 jumbo16_limit); 236 237 #if 0 238 xo_emit("{:tag-count/%ju} {N:mbuf tags in use}\n", tag_count); 239 #endif 240 241 /*- 242 * Calculate in-use bytes as: 243 * - straight mbuf memory 244 * - mbuf memory in packets 245 * - the clusters attached to packets 246 * - and the rest of the non-packet-attached clusters. 247 * - m_tag memory 248 * This avoids counting the clusters attached to packets in the cache. 249 * This currently excludes sf_buf space. 250 */ 251 bytes_inuse = 252 mbuf_bytes + /* straight mbuf memory */ 253 packet_bytes + /* mbufs in packets */ 254 (packet_count * cluster_size) + /* clusters in packets */ 255 /* other clusters */ 256 ((cluster_count - packet_count - packet_free) * cluster_size) + 257 tag_bytes + 258 (jumbop_count * jumbop_size) + /* jumbo clusters */ 259 (jumbo9_count * jumbo9_size) + 260 (jumbo16_count * jumbo16_size); 261 262 /* 263 * Calculate in-cache bytes as: 264 * - cached straught mbufs 265 * - cached packet mbufs 266 * - cached packet clusters 267 * - cached straight clusters 268 * This currently excludes sf_buf space. 269 */ 270 bytes_incache = 271 (mbuf_free * mbuf_size) + /* straight free mbufs */ 272 (packet_free * mbuf_size) + /* mbufs in free packets */ 273 (packet_free * cluster_size) + /* clusters in free packets */ 274 (cluster_free * cluster_size) + /* free clusters */ 275 (jumbop_free * jumbop_size) + /* jumbo clusters */ 276 (jumbo9_free * jumbo9_size) + 277 (jumbo16_free * jumbo16_size); 278 279 /* 280 * Total is bytes in use + bytes in cache. This doesn't take into 281 * account various other misc data structures, overhead, etc, but 282 * gives the user something useful despite that. 283 */ 284 bytes_total = bytes_inuse + bytes_incache; 285 286 xo_emit("{:bytes-in-use/%ju}{U:K}/{:bytes-in-cache/%ju}{U:K}/" 287 "{:bytes-total/%ju}{U:K} " 288 "{N:bytes allocated to network (current\\/cache\\/total)}\n", 289 bytes_inuse / 1024, bytes_incache / 1024, bytes_total / 1024); 290 291 xo_emit("{:mbuf-failures/%ju}/{:cluster-failures/%ju}/" 292 "{:packet-failures/%ju} {N:requests for mbufs denied " 293 "(mbufs\\/clusters\\/mbuf+clusters)}\n", 294 mbuf_failures, cluster_failures, packet_failures); 295 xo_emit("{:mbuf-sleeps/%ju}/{:cluster-sleeps/%ju}/{:packet-sleeps/%ju} " 296 "{N:requests for mbufs delayed " 297 "(mbufs\\/clusters\\/mbuf+clusters)}\n", 298 mbuf_sleeps, cluster_sleeps, packet_sleeps); 299 300 xo_emit("{:jumbop-sleeps/%ju}/{:jumbo9-sleeps/%ju}/" 301 "{:jumbo16-sleeps/%ju} {N:/requests for jumbo clusters delayed " 302 "(%juk\\/9k\\/16k)}\n", 303 jumbop_sleeps, jumbo9_sleeps, jumbo16_sleeps, jumbop_size / 1024); 304 xo_emit("{:jumbop-failures/%ju}/{:jumbo9-failures/%ju}/" 305 "{:jumbo16-failures/%ju} {N:/requests for jumbo clusters denied " 306 "(%juk\\/9k\\/16k)}\n", 307 jumbop_failures, jumbo9_failures, jumbo16_failures, 308 jumbop_size / 1024); 309 310 mlen = sizeof(nsfbufs); 311 if (live && 312 sysctlbyname("kern.ipc.nsfbufs", &nsfbufs, &mlen, NULL, 0) == 0 && 313 sysctlbyname("kern.ipc.nsfbufsused", &nsfbufsused, &mlen, 314 NULL, 0) == 0 && 315 sysctlbyname("kern.ipc.nsfbufspeak", &nsfbufspeak, &mlen, 316 NULL, 0) == 0) 317 xo_emit("{:nsfbufs-current/%d}/{:nsfbufs-peak/%d}/" 318 "{:nsfbufs/%d} " 319 "{N:sfbufs in use (current\\/peak\\/max)}\n", 320 nsfbufsused, nsfbufspeak, nsfbufs); 321 322 if (fetch_stats("kern.ipc.sfstat", mbaddr, &sfstat, sizeof(sfstat), 323 kread_counters) != 0) 324 goto out; 325 326 xo_emit("{:sendfile-syscalls/%ju} {N:sendfile syscalls}\n", 327 (uintmax_t)sfstat.sf_syscalls); 328 xo_emit("{:sendfile-no-io/%ju} " 329 "{N:sendfile syscalls completed without I\\/O request}\n", 330 (uintmax_t)sfstat.sf_noiocnt); 331 xo_emit("{:sendfile-io-count/%ju} " 332 "{N:requests for I\\/O initiated by sendfile}\n", 333 (uintmax_t)sfstat.sf_iocnt); 334 xo_emit("{:sendfile-pages-sent/%ju} " 335 "{N:pages read by sendfile as part of a request}\n", 336 (uintmax_t)sfstat.sf_pages_read); 337 xo_emit("{:sendfile-pages-valid/%ju} " 338 "{N:pages were valid at time of a sendfile request}\n", 339 (uintmax_t)sfstat.sf_pages_valid); 340 xo_emit("{:sendfile-pages-bogus/%ju} " 341 "{N:pages were valid and substituted to bogus page}\n", 342 (uintmax_t)sfstat.sf_pages_bogus); 343 xo_emit("{:sendfile-requested-readahead/%ju} " 344 "{N:pages were requested for read ahead by applications}\n", 345 (uintmax_t)sfstat.sf_rhpages_requested); 346 xo_emit("{:sendfile-readahead/%ju} " 347 "{N:pages were read ahead by sendfile}\n", 348 (uintmax_t)sfstat.sf_rhpages_read); 349 xo_emit("{:sendfile-busy-encounters/%ju} " 350 "{N:times sendfile encountered an already busy page}\n", 351 (uintmax_t)sfstat.sf_busy); 352 xo_emit("{:sfbufs-alloc-failed/%ju} {N:requests for sfbufs denied}\n", 353 (uintmax_t)sfstat.sf_allocfail); 354 xo_emit("{:sfbufs-alloc-wait/%ju} {N:requests for sfbufs delayed}\n", 355 (uintmax_t)sfstat.sf_allocwait); 356 out: 357 xo_close_container("mbuf-statistics"); 358 memstat_mtl_free(mtlp); 359 } 360