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
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
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
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
39 static const char sccsid[] = "@(#)swap.c 8.3 (Berkeley) 4/29/95";
43 * swapinfo - based on a program of the same name by Kevin Lahey
46 #include <sys/param.h>
47 #include <sys/ioctl.h>
63 static long blocksize;
69 return (subwin(stdscr, LINES-5-1, 0, 5, 0));
84 * The meat of all the swap stuff is stolen from pstat(8)'s
85 * swapmode(), which is based on a program called swapinfo written by
86 * Kevin Lahey <kml@rokkaku.atl.ga.us>.
94 struct kvm_swap dummy;
99 if (kvm_getswapinfo(kd, &dummy, 1, 0) < 0) {
100 snprintf(msgbuf, sizeof(msgbuf), "systat: kvm_getswapinfo failed");
109 static struct kvm_swap kvmsw[16];
115 kvnsw = kvm_getswapinfo(kd, kvmsw, 16, 0);
127 wmove(wnd, row, 0); wclrtobot(wnd);
128 header = getbsize(&hlen, &blocksize);
129 mvwprintw(wnd, row++, 0, "%-5s%*s%9s %55s",
130 "Disk", hlen, header, "Used",
131 "/0% /10% /20% /30% /40% /50% /60% /70% /80% /90% /100");
133 for (i = 0; i < kvnsw; ++i) {
134 mvwprintw(wnd, i + 1, 0, "%-5s", kvmsw[i].ksw_devname);
142 int pagesize = getpagesize();
144 #define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize))
146 for (i = 0; i <= kvnsw; ++i) {
162 if (kvmsw[i].ksw_total == 0) {
167 "(swap not configured)"
178 CONVERT(kvmsw[i].ksw_total)
187 CONVERT(kvmsw[i].ksw_used)
190 count = (int)((double)kvmsw[i].ksw_used * 49.999 /
191 (double)kvmsw[i].ksw_total);