2 * Copyright (c) 1980, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)mbufs.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/systat/mbufs.c,v 1.10.2.1 2000/08/26 09:36:55 ps Exp $
35 * $DragonFly: src/usr.bin/systat/mbufs.c,v 1.4 2005/03/12 10:34:36 y0netan1 Exp $
38 #include <sys/param.h>
39 #include <sys/types.h>
41 #include <sys/sysctl.h>
50 static struct mbstat *mb;
51 static u_long *m_mbtypes;
54 static struct mtnames {
59 { MT_HEADER, "headers"},
60 { MT_SONAME, "socknames"},
62 { MT_FTABLE, "frags"},
64 { MT_CONTROL, "control"},
65 { MT_OOBDATA, "oobdata"}
68 #define NNAMES (sizeof (mtnames) / sizeof (mtnames[0]))
73 return (subwin(stdscr, LINES-5-1, 0, 5, 0));
89 wmove(wnd, 0, 0); wclrtoeol(wnd);
91 "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60");
97 register int i, j, max, index;
103 for (j = 0; j < wnd->_maxy; j++) {
105 for (i = 0; i < wnd->_maxy; i++) {
110 if (m_mbtypes[i] > max) {
119 for (i = 0; i < NNAMES; i++)
120 if (mtnames[i].mt_type == index)
121 mtname = mtnames[i].mt_name;
123 mvwprintw(wnd, 1+j, 0, "%10d", index);
125 mvwprintw(wnd, 1+j, 0, "%-10.10s", mtname);
126 wmove(wnd, 1 + j, 10);
128 snprintf(buf, sizeof(buf), " %d", max);
137 mb->m_mbufs -= m_mbtypes[index];
138 m_mbtypes[index] = 0;
141 mvwprintw(wnd, 1+j, 0, "%-10.10s", "free");
142 if (mb->m_mbufs > 60) {
143 snprintf(buf, sizeof(buf), " %ld", mb->m_mbufs);
145 while (mb->m_mbufs--)
155 wmove(wnd, 1+j, 0); wclrtobot(wnd);
161 size_t len, mbtypeslen;
163 if (sysctlbyname("kern.ipc.mbtypes", NULL, &mbtypeslen, NULL, 0) < 0) {
164 error("sysctl getting mbtypes size failed");
167 if ((m_mbtypes = calloc(1, mbtypeslen)) == NULL) {
168 error("calloc mbtypes failed");
171 nmbtypes = mbtypeslen / sizeof(*m_mbtypes);
174 if (sysctlbyname("kern.ipc.mbstat", 0, &len, 0, 0) < 0) {
175 error("sysctl getting mbstat size failed");
180 mb = (struct mbstat *)calloc(1, sizeof *mb);
190 if (sysctlbyname("kern.ipc.mbstat", mb, &len, 0, 0) < 0)
191 printw("sysctl: mbstat: %s", strerror(errno));
193 len = nmbtypes * sizeof *m_mbtypes;
194 if (sysctlbyname("kern.ipc.mbtypes", m_mbtypes, &len, 0, 0) < 0)
195 printw("sysctl: mbtypes: %s", strerror(errno));