+
+static struct nlist nlst[] = {
+#define X_PROC 0
+ { "_proc" },
+#define X_NPROC 1
+ { "_nproc" },
+#define X_USRPTMAP 2
+ { "_Usrptmap" },
+#define X_USRPT 3
+ { "_usrpt" },
+#define X_NSWAP 4
+ { "_nswap" },
+#define X_DMMIN 5
+ { "_dmmin" },
+#define X_DMMAX 6
+ { "_dmmax" },
+#define X_DMTEXT 7
+ { "_dmtext" },
+#define X_NSWDEV 8
+ { "_nswdev" },
+#define X_SWDEVT 9
+ { "_swdevt" },
+#define X_NTEXT 10
+ { "_ntext" },
+#define X_TEXT 11
+ { "_text" },
+ { "" }
+};
+
+initswap()
+{
+ if (nlst[X_PROC].n_type == 0) {
+ nlist(_PATH_UNIX, nlst);
+ if (nlst[X_PROC].n_type == 0) {
+ error("namelist on %s failed", _PATH_UNIX);
+ return(0);
+ }
+ }
+ if (nswdev == 0) {
+ dmmin = getw(nlst[X_DMMIN].n_value);
+ dmmax = getw(nlst[X_DMMAX].n_value);
+ dmtext = getw(nlst[X_DMTEXT].n_value);
+ nswdev = getw(nlst[X_NSWDEV].n_value);
+ if (nswdev > MAXSWAPDEV)
+ nswdev = MAXSWAPDEV;
+ swdevt = (struct swdevt *)calloc(nswdev, sizeof (*swdevt));
+ klseek(kmem, nlst[X_SWDEVT].n_value, L_SET);
+ read(kmem, swdevt, nswdev * sizeof (struct swdevt));
+ ntext = getw(nlst[X_NTEXT].n_value);
+ textp = getw(nlst[X_TEXT].n_value);
+ }
+ if (procp == NULL) {
+ procp = getw(nlst[X_PROC].n_value);
+ nproc = getw(nlst[X_NPROC].n_value);
+ }
+ if (xtext == NULL)
+ xtext = (struct text *)calloc(ntext, sizeof (struct text));
+ if (kprocp == NULL)
+ kprocp = (struct proc *)calloc(nproc, sizeof (struct proc));
+ if (usrpt != NULL)
+ return(1);
+ usrpt = (struct pte *)nlst[X_USRPT].n_value;
+ Usrptma = (struct pte *)nlst[X_USRPTMAP].n_value;
+ if (pt == NULL)
+ pt = (struct p_times *)malloc(nproc * sizeof (struct p_times));
+ return(1);
+}
+
+fetchswap()
+{
+ if (nlst[X_PROC].n_type == 0)
+ return;
+ if (kprocp == NULL) {
+ kprocp = (struct proc *)malloc(sizeof (*kprocp) * nproc);
+ if (kprocp == NULL)
+ return;
+ }
+ lseek(kmem, procp, L_SET);
+ if (read(kmem, kprocp, sizeof (struct proc) * nproc) !=
+ sizeof (struct proc) * nproc) {
+ error("couldn't read proc table");
+ return;
+ }
+ if (xtext == NULL) {
+ xtext = (struct text *)calloc(ntext, sizeof (struct text));
+ if (xtext == NULL)
+ return;
+ }
+ lseek(kmem, textp, L_SET);
+ if (read(kmem, xtext, ntext * sizeof (struct text)) !=
+ sizeof (struct text) * ntext)
+ error("couldn't read text table");
+}
+
+#ifdef vax
+char *devnames[] =
+ { "hp", "ht", "up", "rk", "sw", "tm", "ts", "mt", "tu", "ra", "ut",
+ "rb", "rx", "rl" };
+#endif
+#ifdef tahoe
+char *devnames[] = { "ud", "vd", "xp", "cy", "sw" };
+#endif
+
+labelswap()
+{
+ register int row;
+
+ if (nswdev == 0) {
+ error("Don't know how many swap devices.\n");
+ return;
+ }
+ colwidth = (COLS - OFFSET - (nswdev - 1)) / nswdev;
+ row = swaplabel(0, dmtext, 1);
+ (void) swaplabel(row, dmmax, 0);
+}
+
+swaplabel(row, dmbound, donames)
+ register int row;
+ int dmbound, donames;
+{
+ register int i, j;
+
+ for (i = 0; i < nswdev; i++) {
+ if (donames)
+ mvwprintw(wnd,
+ row, OFFSET + i*(1 + colwidth) + (colwidth - 3)/2,
+ "%s%d", devnames[major(swdevt[i].sw_dev)],
+ minor(swdevt[i].sw_dev) >> 3);
+ for (j = 0; j + 5 < colwidth; j += 5)
+ mvwprintw(wnd, row + donames,
+ OFFSET + i*(1 + colwidth) + j, "/%-2d ", j);
+ }
+ row += 1 + donames;
+ for (j = 0, i = dmmin; i <= dmbound; i *= 2, j++, row++) {
+ int k;
+
+ mvwprintw(wnd, row, 0, "%4d|", i);
+ for (k = 1; k < nswdev; k++)
+ mvwaddch(wnd, row, OFFSET + k*(1 + colwidth) - 1, '|');
+ }
+ return (row);
+}
projects / unix-history / blobdiff