#include #ifdef __rtems__ #include "rtems-bsd-netstat-namespace.h" #endif /* __rtems__ */ /*- * SPDX-License-Identifier: BSD-4-Clause * * Copyright (c) 1983, 1988, 1993 * The Regents of the University of California. * Copyright (c) 2005 Robert N. M. Watson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. */ #if 0 #ifndef lint static char sccsid[] = "@(#)mbuf.c 8.1 (Berkeley) 6/6/93"; #endif /* not lint */ #endif #ifdef __rtems__ #include #endif /* __rtems__ */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "netstat.h" #ifdef __rtems__ #include "rtems-bsd-netstat-mbuf-data.h" #endif /* __rtems__ */ /* * Print mbuf statistics. */ void mbpr(void *kvmd, u_long mbaddr) { struct memory_type_list *mtlp; struct memory_type *mtp; uintmax_t mbuf_count, mbuf_bytes, mbuf_free, mbuf_failures, mbuf_size; uintmax_t mbuf_sleeps; uintmax_t cluster_count, cluster_limit, cluster_free; uintmax_t cluster_failures, cluster_size, cluster_sleeps; uintmax_t packet_count, packet_bytes, packet_free, packet_failures; uintmax_t packet_sleeps; uintmax_t tag_bytes; uintmax_t jumbop_count, jumbop_limit, jumbop_free; uintmax_t jumbop_failures, jumbop_sleeps, jumbop_size; uintmax_t jumbo9_count, jumbo9_limit, jumbo9_free; uintmax_t jumbo9_failures, jumbo9_sleeps, jumbo9_size; uintmax_t jumbo16_count, jumbo16_limit, jumbo16_free; uintmax_t jumbo16_failures, jumbo16_sleeps, jumbo16_size; uintmax_t bytes_inuse, bytes_incache, bytes_total; int nsfbufs, nsfbufspeak, nsfbufsused; struct sfstat sfstat; size_t mlen; int error; mtlp = memstat_mtl_alloc(); if (mtlp == NULL) { xo_warn("memstat_mtl_alloc"); return; } /* * Use memstat_*_all() because some mbuf-related memory is in uma(9), * and some malloc(9). */ if (live) { if (memstat_sysctl_all(mtlp, 0) < 0) { xo_warnx("memstat_sysctl_all: %s", memstat_strerror(memstat_mtl_geterror(mtlp))); goto out; } } else { #ifndef __rtems__ if (memstat_kvm_all(mtlp, kvmd) < 0) { error = memstat_mtl_geterror(mtlp); if (error == MEMSTAT_ERROR_KVM) xo_warnx("memstat_kvm_all: %s", kvm_geterr(kvmd)); else xo_warnx("memstat_kvm_all: %s", memstat_strerror(error)); goto out; } #else /* __rtems__ */ warnx("mbpr: not implemented"); goto out; #endif /* __rtems__ */ } mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_MEM_NAME); if (mtp == NULL) { xo_warnx("memstat_mtl_find: zone %s not found", MBUF_MEM_NAME); goto out; } mbuf_count = memstat_get_count(mtp); mbuf_bytes = memstat_get_bytes(mtp); mbuf_free = memstat_get_free(mtp); mbuf_failures = memstat_get_failures(mtp); mbuf_sleeps = memstat_get_sleeps(mtp); mbuf_size = memstat_get_size(mtp); mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_PACKET_MEM_NAME); if (mtp == NULL) { xo_warnx("memstat_mtl_find: zone %s not found", MBUF_PACKET_MEM_NAME); goto out; } packet_count = memstat_get_count(mtp); packet_bytes = memstat_get_bytes(mtp); packet_free = memstat_get_free(mtp); packet_sleeps = memstat_get_sleeps(mtp); packet_failures = memstat_get_failures(mtp); mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_CLUSTER_MEM_NAME); if (mtp == NULL) { xo_warnx("memstat_mtl_find: zone %s not found", MBUF_CLUSTER_MEM_NAME); goto out; } cluster_count = memstat_get_count(mtp); cluster_limit = memstat_get_countlimit(mtp); cluster_free = memstat_get_free(mtp); cluster_failures = memstat_get_failures(mtp); cluster_sleeps = memstat_get_sleeps(mtp); cluster_size = memstat_get_size(mtp); #ifndef __rtems__ mtp = memstat_mtl_find(mtlp, ALLOCATOR_MALLOC, MBUF_TAG_MEM_NAME); if (mtp == NULL) { xo_warnx("memstat_mtl_find: malloc type %s not found", MBUF_TAG_MEM_NAME); goto out; } tag_bytes = memstat_get_bytes(mtp); #else /* __rtems__ */ tag_bytes = 0; #endif /* __rtems__ */ mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBOP_MEM_NAME); if (mtp == NULL) { xo_warnx("memstat_mtl_find: zone %s not found", MBUF_JUMBOP_MEM_NAME); goto out; } jumbop_count = memstat_get_count(mtp); jumbop_limit = memstat_get_countlimit(mtp); jumbop_free = memstat_get_free(mtp); jumbop_failures = memstat_get_failures(mtp); jumbop_sleeps = memstat_get_sleeps(mtp); jumbop_size = memstat_get_size(mtp); mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO9_MEM_NAME); if (mtp == NULL) { xo_warnx("memstat_mtl_find: zone %s not found", MBUF_JUMBO9_MEM_NAME); goto out; } jumbo9_count = memstat_get_count(mtp); jumbo9_limit = memstat_get_countlimit(mtp); jumbo9_free = memstat_get_free(mtp); jumbo9_failures = memstat_get_failures(mtp); jumbo9_sleeps = memstat_get_sleeps(mtp); jumbo9_size = memstat_get_size(mtp); mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBO16_MEM_NAME); if (mtp == NULL) { xo_warnx("memstat_mtl_find: zone %s not found", MBUF_JUMBO16_MEM_NAME); goto out; } jumbo16_count = memstat_get_count(mtp); jumbo16_limit = memstat_get_countlimit(mtp); jumbo16_free = memstat_get_free(mtp); jumbo16_failures = memstat_get_failures(mtp); jumbo16_sleeps = memstat_get_sleeps(mtp); jumbo16_size = memstat_get_size(mtp); xo_open_container("mbuf-statistics"); xo_emit("{:mbuf-current/%ju}/{:mbuf-cache/%ju}/{:mbuf-total/%ju} " "{N:mbufs in use (current\\/cache\\/total)}\n", mbuf_count + packet_count, mbuf_free + packet_free, mbuf_count + packet_count + mbuf_free + packet_free); xo_emit("{:cluster-current/%ju}/{:cluster-cache/%ju}/" "{:cluster-total/%ju}/{:cluster-max/%ju} " "{N:mbuf clusters in use (current\\/cache\\/total\\/max)}\n", cluster_count - packet_free, cluster_free + packet_free, cluster_count + cluster_free, cluster_limit); xo_emit("{:packet-count/%ju}/{:packet-free/%ju} " "{N:mbuf+clusters out of packet secondary zone in use " "(current\\/cache)}\n", packet_count, packet_free); xo_emit("{:jumbo-count/%ju}/{:jumbo-cache/%ju}/{:jumbo-total/%ju}/" "{:jumbo-max/%ju} {:jumbo-page-size/%ju}{U:k} {N:(page size)} " "{N:jumbo clusters in use (current\\/cache\\/total\\/max)}\n", jumbop_count, jumbop_free, jumbop_count + jumbop_free, jumbop_limit, jumbop_size / 1024); xo_emit("{:jumbo9-count/%ju}/{:jumbo9-cache/%ju}/" "{:jumbo9-total/%ju}/{:jumbo9-max/%ju} " "{N:9k jumbo clusters in use (current\\/cache\\/total\\/max)}\n", jumbo9_count, jumbo9_free, jumbo9_count + jumbo9_free, jumbo9_limit); xo_emit("{:jumbo16-count/%ju}/{:jumbo16-cache/%ju}/" "{:jumbo16-total/%ju}/{:jumbo16-limit/%ju} " "{N:16k jumbo clusters in use (current\\/cache\\/total\\/max)}\n", jumbo16_count, jumbo16_free, jumbo16_count + jumbo16_free, jumbo16_limit); #if 0 xo_emit("{:tag-count/%ju} {N:mbuf tags in use}\n", tag_count); #endif /*- * Calculate in-use bytes as: * - straight mbuf memory * - mbuf memory in packets * - the clusters attached to packets * - and the rest of the non-packet-attached clusters. * - m_tag memory * This avoids counting the clusters attached to packets in the cache. * This currently excludes sf_buf space. */ bytes_inuse = mbuf_bytes + /* straight mbuf memory */ packet_bytes + /* mbufs in packets */ (packet_count * cluster_size) + /* clusters in packets */ /* other clusters */ ((cluster_count - packet_count - packet_free) * cluster_size) + tag_bytes + (jumbop_count * jumbop_size) + /* jumbo clusters */ (jumbo9_count * jumbo9_size) + (jumbo16_count * jumbo16_size); /* * Calculate in-cache bytes as: * - cached straught mbufs * - cached packet mbufs * - cached packet clusters * - cached straight clusters * This currently excludes sf_buf space. */ bytes_incache = (mbuf_free * mbuf_size) + /* straight free mbufs */ (packet_free * mbuf_size) + /* mbufs in free packets */ (packet_free * cluster_size) + /* clusters in free packets */ (cluster_free * cluster_size) + /* free clusters */ (jumbop_free * jumbop_size) + /* jumbo clusters */ (jumbo9_free * jumbo9_size) + (jumbo16_free * jumbo16_size); /* * Total is bytes in use + bytes in cache. This doesn't take into * account various other misc data structures, overhead, etc, but * gives the user something useful despite that. */ bytes_total = bytes_inuse + bytes_incache; xo_emit("{:bytes-in-use/%ju}{U:K}/{:bytes-in-cache/%ju}{U:K}/" "{:bytes-total/%ju}{U:K} " "{N:bytes allocated to network (current\\/cache\\/total)}\n", bytes_inuse / 1024, bytes_incache / 1024, bytes_total / 1024); xo_emit("{:mbuf-failures/%ju}/{:cluster-failures/%ju}/" "{:packet-failures/%ju} {N:requests for mbufs denied " "(mbufs\\/clusters\\/mbuf+clusters)}\n", mbuf_failures, cluster_failures, packet_failures); xo_emit("{:mbuf-sleeps/%ju}/{:cluster-sleeps/%ju}/{:packet-sleeps/%ju} " "{N:requests for mbufs delayed " "(mbufs\\/clusters\\/mbuf+clusters)}\n", mbuf_sleeps, cluster_sleeps, packet_sleeps); xo_emit("{:jumbop-sleeps/%ju}/{:jumbo9-sleeps/%ju}/" "{:jumbo16-sleeps/%ju} {N:/requests for jumbo clusters delayed " "(%juk\\/9k\\/16k)}\n", jumbop_sleeps, jumbo9_sleeps, jumbo16_sleeps, jumbop_size / 1024); xo_emit("{:jumbop-failures/%ju}/{:jumbo9-failures/%ju}/" "{:jumbo16-failures/%ju} {N:/requests for jumbo clusters denied " "(%juk\\/9k\\/16k)}\n", jumbop_failures, jumbo9_failures, jumbo16_failures, jumbop_size / 1024); mlen = sizeof(nsfbufs); if (live && sysctlbyname("kern.ipc.nsfbufs", &nsfbufs, &mlen, NULL, 0) == 0 && sysctlbyname("kern.ipc.nsfbufsused", &nsfbufsused, &mlen, NULL, 0) == 0 && sysctlbyname("kern.ipc.nsfbufspeak", &nsfbufspeak, &mlen, NULL, 0) == 0) xo_emit("{:nsfbufs-current/%d}/{:nsfbufs-peak/%d}/" "{:nsfbufs/%d} " "{N:sfbufs in use (current\\/peak\\/max)}\n", nsfbufsused, nsfbufspeak, nsfbufs); if (fetch_stats("kern.ipc.sfstat", mbaddr, &sfstat, sizeof(sfstat), kread_counters) != 0) goto out; xo_emit("{:sendfile-syscalls/%ju} {N:sendfile syscalls}\n", (uintmax_t)sfstat.sf_syscalls); xo_emit("{:sendfile-no-io/%ju} " "{N:sendfile syscalls completed without I\\/O request}\n", (uintmax_t)sfstat.sf_noiocnt); xo_emit("{:sendfile-io-count/%ju} " "{N:requests for I\\/O initiated by sendfile}\n", (uintmax_t)sfstat.sf_iocnt); xo_emit("{:sendfile-pages-sent/%ju} " "{N:pages read by sendfile as part of a request}\n", (uintmax_t)sfstat.sf_pages_read); xo_emit("{:sendfile-pages-valid/%ju} " "{N:pages were valid at time of a sendfile request}\n", (uintmax_t)sfstat.sf_pages_valid); xo_emit("{:sendfile-pages-bogus/%ju} " "{N:pages were valid and substituted to bogus page}\n", (uintmax_t)sfstat.sf_pages_bogus); xo_emit("{:sendfile-requested-readahead/%ju} " "{N:pages were requested for read ahead by applications}\n", (uintmax_t)sfstat.sf_rhpages_requested); xo_emit("{:sendfile-readahead/%ju} " "{N:pages were read ahead by sendfile}\n", (uintmax_t)sfstat.sf_rhpages_read); xo_emit("{:sendfile-busy-encounters/%ju} " "{N:times sendfile encountered an already busy page}\n", (uintmax_t)sfstat.sf_busy); xo_emit("{:sfbufs-alloc-failed/%ju} {N:requests for sfbufs denied}\n", (uintmax_t)sfstat.sf_allocfail); xo_emit("{:sfbufs-alloc-wait/%ju} {N:requests for sfbufs delayed}\n", (uintmax_t)sfstat.sf_allocwait); out: xo_close_container("mbuf-statistics"); memstat_mtl_free(mtlp); }