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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>
64 static long blocksize;
65 static int dlen, odlen;
67 static int ulen, oulen;
73 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
88 * The meat of all the swap stuff is stolen from pstat(8)'s
89 * swapmode(), which is based on a program called swapinfo written by
90 * Kevin Lahey <kml@rokkaku.atl.ga.us>.
95 static struct kvm_swap kvmsw[NSWAP];
96 static int kvnsw, okvnsw;
98 static void calclens(void);
100 #define CONVERT(v) ((int)((int64_t)(v) * pagesize / blocksize))
108 dlen = sizeof("Disk");
109 for (i = 0; i < kvnsw; ++i) {
110 len = strlen(kvmsw[i].ksw_devname);
115 ulen = sizeof("Used");
116 for (n = CONVERT(kvmsw[kvnsw].ksw_used), len = 2; n /= 10; ++len);
129 header = getbsize(&hlen, &blocksize);
130 pagesize = getpagesize();
132 if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {
133 error("systat: kvm_getswapinfo failed");
151 if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {
152 error("systat: kvm_getswapinfo failed");
171 mvwprintw(wnd, 0, 0, "%*s%*s%*s %s",
172 -dlen, "Disk", hlen, header, ulen, "Used",
173 "/0% /10 /20 /30 /40 /50 /60 /70 /80 /90 /100");
175 for (i = 0; i <= kvnsw; ++i) {
181 name = kvmsw[i].ksw_devname;
182 mvwprintw(wnd, i + 1, 0, "%*s", -dlen, name);
192 if (kvnsw != okvnsw || dlen != odlen || ulen != oulen)
195 for (i = 0; i <= kvnsw; ++i) {
201 if (kvmsw[i].ksw_total == 0) {
205 dlen + hlen + ulen + 1,
206 "(swap not configured)"
211 wmove(wnd, i + 1, dlen);
213 wprintw(wnd, "%*d", hlen, CONVERT(kvmsw[i].ksw_total));
214 wprintw(wnd, "%*d", ulen, CONVERT(kvmsw[i].ksw_used));
216 count = 50.0 * kvmsw[i].ksw_used / kvmsw[i].ksw_total + 1;