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
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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
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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 mbstat *mbstat;
56 static long *m_mbtypes;
57 static short nmbtypes;
59 static struct mtnames {
64 { MT_HEADER, "headers"},
65 { MT_SONAME, "socknames"},
66 { MT_CONTROL, "control"},
67 { MT_OOBDATA, "oobdata"}
69 #define NNAMES (sizeof (mtnames) / sizeof (mtnames[0]))
74 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
91 wmove(wnd, 0, 0); wclrtoeol(wnd);
93 "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60");
104 totmbufs = mbstat->m_mbufs;
107 * Print totals for different mbuf types.
109 for (j = 0; j < wnd->_maxy; j++) {
111 for (i = 0; i < wnd->_maxy; i++) {
116 if (m_mbtypes[i] > max) {
125 for (i = 0; i < (int)NNAMES; i++)
126 if (mtnames[i].mt_type == idx)
127 mtname = mtnames[i].mt_name;
129 mvwprintw(wnd, 1+j, 0, "%10d", idx);
131 mvwprintw(wnd, 1+j, 0, "%-10.10s", mtname);
132 wmove(wnd, 1 + j, 10);
134 snprintf(buf, sizeof(buf), " %d", max);
147 * Print total number of free mbufs.
150 mvwprintw(wnd, 1+j, 0, "%-10.10s", "Mbufs");
152 snprintf(buf, sizeof(buf), " %lu", totmbufs);
164 wmove(wnd, 1+j, 0); wclrtobot(wnd);
172 len = sizeof *mbstat;
173 if ((mbstat = malloc(len)) == NULL) {
174 error("malloc mbstat failed");
177 if (sysctlbyname("kern.ipc.mbstat", mbstat, &len, NULL, 0) < 0) {
178 error("sysctl retrieving mbstat");
181 nmbtypes = mbstat->m_numtypes;
182 if ((m_mbtypes = calloc(nmbtypes, sizeof(long *))) == NULL) {
183 error("calloc m_mbtypes failed");
195 len = sizeof *mbstat;
196 if (sysctlbyname("kern.ipc.mbstat", mbstat, &len, NULL, 0) < 0)
197 printw("sysctl: mbstat: %s", strerror(errno));