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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 1.5 2005/03/12 10:38:42 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"},
61 { MT_CONTROL, "control"},
62 { MT_OOBDATA, "oobdata"}
65 #define NNAMES (sizeof (mtnames) / sizeof (mtnames[0]))
70 return (subwin(stdscr, LINES-5-1, 0, 5, 0));
86 wmove(wnd, 0, 0); wclrtoeol(wnd);
88 "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60");
94 register int i, j, max, index;
100 for (j = 0; j < wnd->_maxy; j++) {
102 for (i = 0; i < wnd->_maxy; i++) {
107 if (m_mbtypes[i] > max) {
116 for (i = 0; i < NNAMES; i++)
117 if (mtnames[i].mt_type == index)
118 mtname = mtnames[i].mt_name;
120 mvwprintw(wnd, 1+j, 0, "%10d", index);
122 mvwprintw(wnd, 1+j, 0, "%-10.10s", mtname);
123 wmove(wnd, 1 + j, 10);
125 snprintf(buf, sizeof(buf), " %d", max);
134 mb->m_mbufs -= m_mbtypes[index];
135 m_mbtypes[index] = 0;
138 mvwprintw(wnd, 1+j, 0, "%-10.10s", "free");
139 if (mb->m_mbufs > 60) {
140 snprintf(buf, sizeof(buf), " %ld", mb->m_mbufs);
142 while (mb->m_mbufs--)
152 wmove(wnd, 1+j, 0); wclrtobot(wnd);
158 size_t len, mbtypeslen;
160 if (sysctlbyname("kern.ipc.mbtypes", NULL, &mbtypeslen, NULL, 0) < 0) {
161 error("sysctl getting mbtypes size failed");
164 if ((m_mbtypes = calloc(1, mbtypeslen)) == NULL) {
165 error("calloc mbtypes failed");
168 nmbtypes = mbtypeslen / sizeof(*m_mbtypes);
171 if (sysctlbyname("kern.ipc.mbstat", 0, &len, 0, 0) < 0) {
172 error("sysctl getting mbstat size failed");
177 mb = (struct mbstat *)calloc(1, sizeof *mb);
187 if (sysctlbyname("kern.ipc.mbstat", mb, &len, 0, 0) < 0)
188 printw("sysctl: mbstat: %s", strerror(errno));
190 len = nmbtypes * sizeof *m_mbtypes;
191 if (sysctlbyname("kern.ipc.mbtypes", m_mbtypes, &len, 0, 0) < 0)
192 printw("sysctl: mbtypes: %s", strerror(errno));