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15 * This product includes software developed by the University of
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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 1.8 2008/11/10 04:59:45 swildner Exp $
38 #define _KERNEL_STRUCTURES
39 #include <sys/param.h>
40 #include <sys/types.h>
42 #include <sys/sysctl.h>
51 static struct mbstat *mb;
52 static u_long *m_mbtypes;
55 static struct mtnames {
60 { MT_HEADER, "headers"},
61 { MT_SONAME, "socknames"},
62 { MT_CONTROL, "control"},
63 { MT_OOBDATA, "oobdata"}
66 #define NNAMES (sizeof (mtnames) / sizeof (mtnames[0]))
71 return (subwin(stdscr, LINES-5-1, 0, 5, 0));
87 wmove(wnd, 0, 0); wclrtoeol(wnd);
89 "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60");
102 for (j = 0; j < wnd->_maxy; j++) {
104 for (i = 0; i < wnd->_maxy; i++) {
109 if (m_mbtypes[i] > max) {
118 for (i = 0; i < (int)NNAMES; i++)
119 if (mtnames[i].mt_type == idx)
120 mtname = mtnames[i].mt_name;
122 mvwprintw(wnd, 1+j, 0, "%10d", idx);
124 mvwprintw(wnd, 1+j, 0, "%-10.10s", mtname);
125 wmove(wnd, 1 + j, 10);
127 snprintf(buf, sizeof(buf), " %lu", max);
136 mb->m_mbufs -= m_mbtypes[idx];
140 mvwprintw(wnd, 1+j, 0, "%-10.10s", "free");
141 if (mb->m_mbufs > 60) {
142 snprintf(buf, sizeof(buf), " %ld", mb->m_mbufs);
144 while (mb->m_mbufs--)
154 wmove(wnd, 1+j, 0); wclrtobot(wnd);
160 size_t len, mbtypeslen;
162 if (sysctlbyname("kern.ipc.mbtypes", NULL, &mbtypeslen, NULL, 0) < 0) {
163 error("sysctl getting mbtypes size failed");
166 if ((m_mbtypes = calloc(1, mbtypeslen)) == NULL) {
167 error("calloc mbtypes failed");
170 nmbtypes = mbtypeslen / sizeof(*m_mbtypes);
173 if (sysctlbyname("kern.ipc.mbstat", 0, &len, 0, 0) < 0) {
174 error("sysctl getting mbstat size failed");
179 mb = (struct mbstat *)calloc(1, sizeof *mb);
189 if (sysctlbyname("kern.ipc.mbstat", mb, &len, 0, 0) < 0)
190 printw("sysctl: mbstat: %s", strerror(errno));
192 len = nmbtypes * sizeof *m_mbtypes;
193 if (sysctlbyname("kern.ipc.mbtypes", m_mbtypes, &len, 0, 0) < 0)
194 printw("sysctl: mbtypes: %s", strerror(errno));