diff options
Diffstat (limited to 'usr.bin/systat/mbufs.c')
| -rw-r--r-- | usr.bin/systat/mbufs.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/usr.bin/systat/mbufs.c b/usr.bin/systat/mbufs.c deleted file mode 100644 index 3fdbcac..0000000 --- a/usr.bin/systat/mbufs.c +++ /dev/null @@ -1,193 +0,0 @@ -/*- - * 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. - * 4. 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. - */ - -#include <sys/cdefs.h> - -__FBSDID("$FreeBSD$"); - -#ifdef lint -static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93"; -#endif - -#include <sys/param.h> -#include <sys/types.h> -#include <sys/mbuf.h> -#include <sys/sysctl.h> - -#include <errno.h> -#include <stdlib.h> -#include <string.h> -#include <paths.h> - -#include "systat.h" -#include "extern.h" - -static struct mbstat *mbstat; -static long *m_mbtypes; -static short nmbtypes; - -static struct mtnames { - short mt_type; - const char *mt_name; -} mtnames[] = { - { MT_DATA, "data"}, - { MT_HEADER, "headers"}, - { MT_SONAME, "socknames"}, - { MT_CONTROL, "control"}, - { MT_OOBDATA, "oobdata"} -}; -#define NNAMES (sizeof (mtnames) / sizeof (mtnames[0])) - -WINDOW * -openmbufs(void) -{ - return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 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, max, idx; - u_long totmbufs; - char buf[10]; - const char *mtname; - - totmbufs = mbstat->m_mbufs; - - /* - * Print totals for different mbuf types. - */ - for (j = 0; j < wnd->_maxy; j++) { - max = 0, idx = -1; - for (i = 0; i < wnd->_maxy; i++) { - if (i == MT_NOTMBUF) - 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), " %d", max); - max = 60; - while (max--) - waddch(wnd, 'X'); - waddstr(wnd, buf); - } else - while (max--) - waddch(wnd, 'X'); - wclrtoeol(wnd); - m_mbtypes[idx] = 0; - } - - /* - * Print total number of free mbufs. - */ - if (totmbufs > 0) { - mvwprintw(wnd, 1+j, 0, "%-10.10s", "Mbufs"); - if (totmbufs > 60) { - snprintf(buf, sizeof(buf), " %lu", totmbufs); - totmbufs = 60; - while(totmbufs--) - waddch(wnd, 'X'); - waddstr(wnd, buf); - } else { - while(totmbufs--) - waddch(wnd, 'X'); - } - wclrtoeol(wnd); - j++; - } - wmove(wnd, 1+j, 0); wclrtobot(wnd); -} - -int -initmbufs(void) -{ - size_t len; - - len = sizeof *mbstat; - if ((mbstat = malloc(len)) == NULL) { - error("malloc mbstat failed"); - return 0; - } - if (sysctlbyname("kern.ipc.mbstat", mbstat, &len, NULL, 0) < 0) { - error("sysctl retrieving mbstat"); - return 0; - } - nmbtypes = mbstat->m_numtypes; - if ((m_mbtypes = calloc(nmbtypes, sizeof(long *))) == NULL) { - error("calloc m_mbtypes failed"); - return 0; - } - - return 1; -} - -void -fetchmbufs(void) -{ - size_t len; - - len = sizeof *mbstat; - if (sysctlbyname("kern.ipc.mbstat", mbstat, &len, NULL, 0) < 0) - printw("sysctl: mbstat: %s", strerror(errno)); -} |
