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30 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
35 static const char sccsid[] = "@(#)swap.c 8.3 (Berkeley) 4/29/95";
39 * swapinfo - based on a program of the same name by Kevin Lahey
42 #include <sys/param.h>
43 #include <sys/ioctl.h>
60 static long blocksize;
61 static int dlen, odlen;
63 static int ulen, oulen;
69 return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
83 * The meat of all the swap stuff is stolen from pstat(8)'s
84 * swapmode(), which is based on a program called swapinfo written by
85 * Kevin Lahey <kml@rokkaku.atl.ga.us>.
90 static struct kvm_swap kvmsw[NSWAP];
91 static int kvnsw, okvnsw;
93 static void calclens(void);
95 #define CONVERT(v) ((int)((int64_t)(v) * pagesize / blocksize))
103 dlen = sizeof("Disk");
104 for (i = 0; i < kvnsw; ++i) {
105 len = strlen(kvmsw[i].ksw_devname);
110 ulen = sizeof("Used");
111 for (n = CONVERT(kvmsw[kvnsw].ksw_used), len = 2; n /= 10; ++len);
124 header = getbsize(&hlen, &blocksize);
125 pagesize = getpagesize();
127 if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {
128 error("systat: kvm_getswapinfo failed");
146 if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {
147 error("systat: kvm_getswapinfo failed");
166 mvwprintw(wnd, 0, 0, "%*s%*s%*s %s",
167 -dlen, "Disk", hlen, header, ulen, "Used",
168 "/0% /10 /20 /30 /40 /50 /60 /70 /80 /90 /100");
170 for (i = 0; i <= kvnsw; ++i) {
176 name = kvmsw[i].ksw_devname;
177 mvwprintw(wnd, i + 1, 0, "%*s", -dlen, name);
187 if (kvnsw != okvnsw || dlen != odlen || ulen != oulen)
190 for (i = 0; i <= kvnsw; ++i) {
196 if (kvmsw[i].ksw_total == 0) {
200 dlen + hlen + ulen + 1,
201 "(swap not configured)"
206 wmove(wnd, i + 1, dlen);
208 wprintw(wnd, "%*d", hlen, CONVERT(kvmsw[i].ksw_total));
209 wprintw(wnd, "%*d", ulen, CONVERT(kvmsw[i].ksw_used));
211 count = 50.0 * kvmsw[i].ksw_used / kvmsw[i].ksw_total + 1;