/*- * Copyright (c) 1980, 1992, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)mbufs.c 8.1 (Berkeley) 6/6/93 * $FreeBSD: src/usr.bin/systat/mbufs.c,v 1.10.2.1 2000/08/26 09:36:55 ps Exp $ */ #define _KERNEL_STRUCTURES #include #include #include #include #include #include #include #include #include "systat.h" #include "extern.h" static struct mbstat *mb; static u_long *m_mbtypes; static int nmbtypes; static struct mtnames { int mt_type; const char *mt_name; } mtnames[] = { { MT_DATA, "data"}, { MT_HEADER, "headers"}, { MT_SONAME, "socknames"}, { MT_CONTROL, "control"}, { MT_OOBDATA, "oobdata"} }; #define NNAMES NELEM(mtnames) WINDOW * openmbufs(void) { return (subwin(stdscr, LINES-5-1, 0, 5, 0)); } void closembufs(WINDOW *w) { if (w == NULL) return; wclear(w); wrefresh(w); delwin(w); } void labelmbufs(void) { wmove(wnd, 0, 0); wclrtoeol(wnd); mvwaddstr(wnd, 0, 10, "/0 /5 /10 /15 /20 /25 /30 /35 /40 /45 /50 /55 /60"); } void showmbufs(void) { int i, j, idx; u_long max; char buf[10]; const char *mtname; if (mb == NULL) return; for (j = 0; j < wnd->_maxy; j++) { max = 0, idx = -1; for (i = 0; i < wnd->_maxy; i++) { if (i == MT_FREE) continue; if (i >= nmbtypes) break; if (m_mbtypes[i] > max) { max = m_mbtypes[i]; idx = i; } } if (max == 0) break; mtname = NULL; for (i = 0; i < (int)NNAMES; i++) if (mtnames[i].mt_type == idx) mtname = mtnames[i].mt_name; if (mtname == NULL) mvwprintw(wnd, 1+j, 0, "%10d", idx); else mvwprintw(wnd, 1+j, 0, "%-10.10s", mtname); wmove(wnd, 1 + j, 10); if (max > 60) { snprintf(buf, sizeof(buf), " %lu", max); max = 60; while (max--) waddch(wnd, 'X'); waddstr(wnd, buf); } else while (max--) waddch(wnd, 'X'); wclrtoeol(wnd); mb->m_mbufs -= m_mbtypes[idx]; m_mbtypes[idx] = 0; } if (mb->m_mbufs) { mvwprintw(wnd, 1+j, 0, "%-10.10s", "free"); if (mb->m_mbufs > 60) { snprintf(buf, sizeof(buf), " %ld", mb->m_mbufs); mb->m_mbufs = 60; while (mb->m_mbufs--) waddch(wnd, 'X'); waddstr(wnd, buf); } else { while(mb->m_mbufs--) waddch(wnd, 'X'); } wclrtoeol(wnd); j++; } wmove(wnd, 1+j, 0); wclrtobot(wnd); } int initmbufs(void) { size_t len, mbtypeslen; if (sysctlbyname("kern.ipc.mbtypes", NULL, &mbtypeslen, NULL, 0) < 0) { error("sysctl getting mbtypes size failed"); return 0; } if ((m_mbtypes = calloc(1, mbtypeslen)) == NULL) { error("calloc mbtypes failed"); return 0; } nmbtypes = mbtypeslen / sizeof(*m_mbtypes); len = 0; if (sysctlbyname("kern.ipc.mbstat", 0, &len, 0, 0) < 0) { error("sysctl getting mbstat size failed"); return 0; } if (mb == NULL) mb = (struct mbstat *)calloc(1, sizeof *mb); return 1; } void fetchmbufs(void) { size_t len; len = sizeof *mb; if (sysctlbyname("kern.ipc.mbstat", mb, &len, 0, 0) < 0) printw("sysctl: mbstat: %s", strerror(errno)); len = nmbtypes * sizeof *m_mbtypes; if (sysctlbyname("kern.ipc.mbtypes", m_mbtypes, &len, 0, 0) < 0) printw("sysctl: mbtypes: %s", strerror(errno)); }