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
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30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
39 static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
42 #include <sys/param.h>
43 #include <sys/types.h>
45 #include <sys/sysctl.h>
55 static struct mbpstat **mbpstat;
56 static struct mbstat *mbstat;
58 static long *m_mbtypes;
59 static short nmbtypes;
60 #define GENLST (num_objs - 1)
62 static struct mtnames {
67 { MT_HEADER, "headers"},
68 { MT_SONAME, "socknames"},
69 { MT_FTABLE, "frags"},
70 { MT_CONTROL, "control"},
71 { MT_OOBDATA, "oobdata"}
73 #define NNAMES (sizeof (mtnames) / sizeof (mtnames[0]))
78 return (subwin(stdscr, LINES-5-1, 0, 5, 0));
95 wmove(wnd, 0, 0); wclrtoeol(wnd);
97 "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60");
108 totfree = mbpstat[GENLST]->mb_mbfree;
109 for (i = 1; i < nmbtypes; i++)
110 m_mbtypes[i] += mbpstat[GENLST]->mb_mbtypes[i];
111 for (i = 0; i < GENLST; i++) {
112 if (mbpstat[i]->mb_active == 0)
114 totfree += mbpstat[i]->mb_mbfree;
115 for (j = 1; j < nmbtypes; j++)
116 m_mbtypes[j] += mbpstat[i]->mb_mbtypes[j];
120 * Print totals for different mbuf types.
122 for (j = 0; j < wnd->_maxy; j++) {
124 for (i = 0; i < wnd->_maxy; i++) {
129 if (m_mbtypes[i] > max) {
138 for (i = 0; i < (int)NNAMES; i++)
139 if (mtnames[i].mt_type == idx)
140 mtname = mtnames[i].mt_name;
142 mvwprintw(wnd, 1+j, 0, "%10d", idx);
144 mvwprintw(wnd, 1+j, 0, "%-10.10s", mtname);
145 wmove(wnd, 1 + j, 10);
147 snprintf(buf, sizeof(buf), " %d", max);
160 * Print total number of free mbufs.
163 mvwprintw(wnd, 1+j, 0, "%-10.10s", "free");
165 snprintf(buf, sizeof(buf), " %lu", totfree);
177 wmove(wnd, 1+j, 0); wclrtobot(wnd);
186 len = sizeof *mbstat;
187 if ((mbstat = malloc(len)) == NULL) {
188 error("malloc mbstat failed");
191 if (sysctlbyname("kern.ipc.mbstat", mbstat, &len, NULL, 0) < 0) {
192 error("sysctl retrieving mbstat");
195 nmbtypes = mbstat->m_numtypes;
196 if ((m_mbtypes = calloc(nmbtypes, sizeof(long *))) == NULL) {
197 error("calloc m_mbtypes failed");
201 if (sysctlbyname("kern.ipc.mb_statpcpu", NULL, &len, NULL, 0) < 0) {
202 error("sysctl getting mbpstat total size failed");
205 num_objs = (int)(len / sizeof(struct mbpstat));
206 if ((mbpstat = calloc(num_objs, sizeof(struct mbpstat *))) == NULL) {
207 error("calloc mbpstat pointers failed");
210 if ((mbpstat[0] = calloc(num_objs, sizeof(struct mbpstat))) == NULL) {
211 error("calloc mbpstat structures failed");
215 for (i = 0; i < num_objs; i++)
216 mbpstat[i] = mbpstat[0] + i;
226 len = num_objs * sizeof(struct mbpstat);
227 if (sysctlbyname("kern.ipc.mb_statpcpu", mbpstat[0], &len, NULL, 0) < 0)
228 printw("sysctl: mbpstat: %s", strerror(errno));