Annotation of src/usr.bin/systat/vmstat.c, Revision 1.12
1.12 ! deraadt 1: /* $OpenBSD: vmstat.c,v 1.11 1997/11/24 16:19:42 kstailey Exp $ */
1.2 deraadt 2: /* $NetBSD: vmstat.c,v 1.5 1996/05/10 23:16:40 thorpej Exp $ */
1.1 deraadt 3:
4: /*-
5: * Copyright (c) 1983, 1989, 1992, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: */
36:
37: #ifndef lint
38: #if 0
39: static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
40: #endif
1.12 ! deraadt 41: static char rcsid[] = "$OpenBSD: vmstat.c,v 1.11 1997/11/24 16:19:42 kstailey Exp $";
1.1 deraadt 42: #endif /* not lint */
43:
44: /*
45: * Cursed vmstat -- from Robert Elz.
46: */
47:
48: #include <sys/param.h>
49: #include <sys/dkstat.h>
50: #include <sys/buf.h>
51: #include <sys/stat.h>
52: #include <sys/time.h>
53: #include <sys/user.h>
54: #include <sys/proc.h>
55: #include <sys/namei.h>
56: #include <sys/sysctl.h>
57: #include <vm/vm.h>
58:
59: #include <ctype.h>
60: #include <err.h>
61: #include <nlist.h>
62: #include <paths.h>
63: #include <signal.h>
64: #include <stdlib.h>
65: #include <string.h>
66: #include <utmp.h>
67: #include <unistd.h>
68:
1.3 tholo 69: #if defined(i386)
70: #define _KERNEL
71: #include <machine/psl.h>
72: #undef _KERNEL
73: #endif
74:
1.1 deraadt 75: #include "systat.h"
76: #include "extern.h"
77:
78: static struct Info {
79: long time[CPUSTATES];
80: struct vmmeter Cnt;
81: struct vmtotal Total;
82: struct nchstats nchstats;
83: long nchcount;
84: long *intrcnt;
85: } s, s1, s2, z;
86:
1.2 deraadt 87: #include "dkstats.h"
88: extern struct _disk cur;
89:
90:
1.1 deraadt 91: #define cnt s.Cnt
92: #define oldcnt s1.Cnt
93: #define total s.Total
94: #define nchtotal s.nchstats
95: #define oldnchtotal s1.nchstats
96:
97: static enum state { BOOT, TIME, RUN } state = TIME;
98:
99: static void allocinfo __P((struct Info *));
100: static void copyinfo __P((struct Info *, struct Info *));
101: static float cputime __P((int));
102: static void dinfo __P((int, int));
103: static void getinfo __P((struct Info *, enum state));
104: static void putint __P((int, int, int, int));
105: static void putfloat __P((double, int, int, int, int, int));
106: static int ucount __P((void));
107:
108: static int ut;
109: static char buf[26];
110: static time_t t;
111: static double etime;
112: static float hertz;
113: static int nintr;
114: static long *intrloc;
115: static char **intrname;
116: static int nextintsrow;
117:
118: struct utmp utmp;
119:
120:
121: WINDOW *
122: openkre()
123: {
124:
125: ut = open(_PATH_UTMP, O_RDONLY);
126: if (ut < 0)
127: error("No utmp");
128: return (stdscr);
129: }
130:
131: void
132: closekre(w)
133: WINDOW *w;
134: {
135:
136: (void) close(ut);
137: if (w == NULL)
138: return;
139: wclear(w);
140: wrefresh(w);
141: }
142:
143:
144: static struct nlist namelist[] = {
145: #define X_CPTIME 0
146: { "_cp_time" },
147: #define X_CNT 1
148: { "_cnt" },
149: #define X_TOTAL 2
150: { "_total" },
1.10 mickey 151: #define X_NCHSTATS 3
1.1 deraadt 152: { "_nchstats" },
1.10 mickey 153: #define X_INTRNAMES 4
1.1 deraadt 154: { "_intrnames" },
1.10 mickey 155: #define X_EINTRNAMES 5
1.1 deraadt 156: { "_eintrnames" },
1.10 mickey 157: #define X_INTRCNT 6
1.1 deraadt 158: { "_intrcnt" },
1.10 mickey 159: #define X_EINTRCNT 7
1.1 deraadt 160: { "_eintrcnt" },
1.3 tholo 161: #if defined(i386)
1.10 mickey 162: #define X_INTRHAND 8
1.3 tholo 163: { "_intrhand" },
164: #endif
1.1 deraadt 165: { "" },
166: };
167:
168: /*
169: * These constants define where the major pieces are laid out
170: */
171: #define STATROW 0 /* uses 1 row and 68 cols */
172: #define STATCOL 2
173: #define MEMROW 2 /* uses 4 rows and 31 cols */
174: #define MEMCOL 0
175: #define PAGEROW 2 /* uses 4 rows and 26 cols */
176: #define PAGECOL 36
177: #define INTSROW 2 /* uses all rows to bottom and 17 cols */
178: #define INTSCOL 63
179: #define PROCSROW 7 /* uses 2 rows and 20 cols */
180: #define PROCSCOL 0
181: #define GENSTATROW 7 /* uses 2 rows and 30 cols */
182: #define GENSTATCOL 20
1.9 kstailey 183: #define VMSTATROW 7 /* uses 17 rows and 12 cols */
1.1 deraadt 184: #define VMSTATCOL 48
185: #define GRAPHROW 10 /* uses 3 rows and 51 cols */
186: #define GRAPHCOL 0
187: #define NAMEIROW 14 /* uses 3 rows and 38 cols */
188: #define NAMEICOL 0
189: #define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */
190: #define DISKCOL 0
191:
192: #define DRIVESPACE 9 /* max # for space */
193:
194: #if DK_NDRIVE > DRIVESPACE
195: #define MAXDRIVES DRIVESPACE /* max # to display */
196: #else
197: #define MAXDRIVES DK_NDRIVE /* max # to display */
198: #endif
199:
200: int
201: initkre()
202: {
203: char *intrnamebuf, *cp;
204: int i;
205: static int once = 0;
206:
207: if (namelist[0].n_type == 0) {
208: if (kvm_nlist(kd, namelist)) {
209: nlisterr(namelist);
210: return(0);
211: }
212: if (namelist[0].n_type == 0) {
213: error("No namelist");
214: return(0);
215: }
216: }
217: hertz = stathz ? stathz : hz;
1.2 deraadt 218: if (! dkinit(1))
1.1 deraadt 219: return(0);
220: if (dk_ndrive && !once) {
221: #define allocate(e, t) \
222: s./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
223: s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
224: s2./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
225: z./**/e = (t *)calloc(dk_ndrive, sizeof (t));
226: once = 1;
227: #undef allocate
228: }
229: if (nintr == 0) {
1.3 tholo 230: #if defined(i386)
231: struct intrhand *intrhand[16], *ihp, ih;
232: char iname[16];
233: int namelen, n;
234:
235: NREAD(X_INTRHAND, intrhand, sizeof(intrhand));
236: for (namelen = 0, i = 0; i < 16; i++) {
237: ihp = intrhand[i];
238: while (ihp) {
239: nintr++;
240: KREAD(ihp, &ih, sizeof(ih));
241: KREAD(ih.ih_what, iname, 16);
242: namelen += 1 + strlen(iname);
243: ihp = ih.ih_next;
244: }
245: }
246: intrloc = calloc(nintr, sizeof (long));
247: intrname = calloc(nintr, sizeof (char *));
248: cp = intrnamebuf = malloc(namelen);
249: for (namelen = 0, i = 0, n = 0; i < 16; i++) {
250: ihp = intrhand[i];
251: while (ihp) {
252: KREAD(ihp, &ih, sizeof(ih));
253: KREAD(ih.ih_what, iname, 16);
254: strcpy(intrname[n++] = intrnamebuf + namelen, iname);
255: namelen += 1 + strlen(iname);
256: ihp = ih.ih_next;
257: }
258: }
259: #else
1.1 deraadt 260: nintr = (namelist[X_EINTRCNT].n_value -
261: namelist[X_INTRCNT].n_value) / sizeof (long);
262: intrloc = calloc(nintr, sizeof (long));
263: intrname = calloc(nintr, sizeof (long));
264: intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value -
265: namelist[X_INTRNAMES].n_value);
266: if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) {
267: error("Out of memory\n");
268: if (intrnamebuf)
269: free(intrnamebuf);
270: if (intrname)
271: free(intrname);
272: if (intrloc)
273: free(intrloc);
274: nintr = 0;
275: return(0);
276: }
277: NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) -
278: NVAL(X_INTRNAMES));
279: for (cp = intrnamebuf, i = 0; i < nintr; i++) {
280: intrname[i] = cp;
281: cp += strlen(cp) + 1;
282: }
1.3 tholo 283: #endif
1.1 deraadt 284: nextintsrow = INTSROW + 2;
285: allocinfo(&s);
286: allocinfo(&s1);
287: allocinfo(&s2);
288: allocinfo(&z);
289: }
290: getinfo(&s2, RUN);
291: copyinfo(&s2, &s1);
292: return(1);
293: }
294:
295: void
296: fetchkre()
297: {
298: time_t now;
299:
300: time(&now);
301: strcpy(buf, ctime(&now));
302: getinfo(&s, state);
303: }
304:
305: void
306: labelkre()
307: {
308: register int i, j;
309:
310: clear();
311: mvprintw(STATROW, STATCOL + 4, "users Load");
312: mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
313: mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
314: mvprintw(MEMROW + 2, MEMCOL, "Act");
315: mvprintw(MEMROW + 3, MEMCOL, "All");
316:
317: mvprintw(MEMROW + 1, MEMCOL + 31, "Free");
318:
319: mvprintw(PAGEROW, PAGECOL, " PAGING SWAPPING ");
320: mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
321: mvprintw(PAGEROW + 2, PAGECOL, "count");
322: mvprintw(PAGEROW + 3, PAGECOL, "pages");
323:
324: mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
325: mvprintw(INTSROW + 1, INTSCOL + 9, "total");
326:
327: mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "cow");
328: mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "objlk");
329: mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "objht");
330: mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "zfod");
331: mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "nzfod");
332: mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "%%zfod");
333: mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "kern");
334: mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "wire");
335: mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "act");
336: mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "inact");
337: mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "free");
338: mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "daefr");
339: mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "prcfr");
340: mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "react");
341: mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "scan");
342: mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "hdrev");
343: if (LINES - 1 > VMSTATROW + 16)
344: mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "intrn");
345:
346: mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
347:
348: mvprintw(GRAPHROW, GRAPHCOL,
349: " . %% Sys . %% User . %% Nice . %% Idle");
350: mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w");
351: mvprintw(GRAPHROW + 1, GRAPHCOL,
352: "| | | | | | | | | | |");
353:
354: mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache");
355: mvprintw(NAMEIROW + 1, NAMEICOL,
356: " Calls hits %% hits %%");
357: mvprintw(DISKROW, DISKCOL, "Discs");
358: mvprintw(DISKROW + 1, DISKCOL, "seeks");
359: mvprintw(DISKROW + 2, DISKCOL, "xfers");
1.2 deraadt 360: mvprintw(DISKROW + 3, DISKCOL, "Kbyte");
361: mvprintw(DISKROW + 4, DISKCOL, " sec");
1.1 deraadt 362: j = 0;
363: for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++)
364: if (dk_select[i]) {
365: mvprintw(DISKROW, DISKCOL + 5 + 5 * j,
1.5 downsj 366: " %4.4s", dr_name[j]);
1.1 deraadt 367: j++;
368: }
369: for (i = 0; i < nintr; i++) {
370: if (intrloc[i] == 0)
371: continue;
372: mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]);
373: }
374: }
375:
376: #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
377: #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
378: #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
379: if(state == TIME) s1.nchstats.fld = t;}
380: #define PUTRATE(fld, l, c, w) \
381: Y(fld); \
382: putint((int)((float)s.fld/etime + 0.5), l, c, w)
383: #define MAXFAIL 5
384:
385: static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' };
386: static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE };
387:
388: void
389: showkre()
390: {
391: float f1, f2;
392: int psiz, inttotal;
393: int i, l, c;
394: static int failcnt = 0;
395:
1.2 deraadt 396:
397: if (state == TIME)
398: dkswap();
1.1 deraadt 399: etime = 0;
400: for(i = 0; i < CPUSTATES; i++) {
401: X(time);
402: etime += s.time[i];
403: }
404: if (etime < 5.0) { /* < 5 ticks - ignore this trash */
405: if (failcnt++ >= MAXFAIL) {
406: clear();
407: mvprintw(2, 10, "The alternate system clock has died!");
408: mvprintw(3, 10, "Reverting to ``pigs'' display.");
409: move(CMDLINE, 0);
410: refresh();
411: failcnt = 0;
412: sleep(5);
413: command("pigs");
414: }
415: return;
416: }
417: failcnt = 0;
418: etime /= hertz;
419: inttotal = 0;
420: for (i = 0; i < nintr; i++) {
421: if (s.intrcnt[i] == 0)
422: continue;
423: if (intrloc[i] == 0) {
424: if (nextintsrow == LINES)
425: continue;
426: intrloc[i] = nextintsrow++;
427: mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s",
428: intrname[i]);
429: }
430: X(intrcnt);
431: l = (int)((float)s.intrcnt[i]/etime + 0.5);
432: inttotal += l;
433: putint(l, intrloc[i], INTSCOL, 8);
434: }
435: putint(inttotal, INTSROW + 1, INTSCOL, 8);
436: Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
437: Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes);
438: s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
439: nchtotal.ncs_miss + nchtotal.ncs_long;
440: if (state == TIME)
441: s1.nchcount = s.nchcount;
442:
443: psiz = 0;
444: f2 = 0.0;
445:
446: /*
447: * Last CPU state not calculated yet.
448: */
449: for (c = 0; c < CPUSTATES - 1; c++) {
450: i = cpuorder[c];
451: f1 = cputime(i);
452: f2 += f1;
453: l = (int) ((f2 + 1.0) / 2.0) - psiz;
454: if (c == 0)
455: putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0);
456: else
457: putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c,
458: 5, 1, 0);
459: move(GRAPHROW + 2, psiz);
460: psiz += l;
461: while (l-- > 0)
462: addch(cpuchar[c]);
463: }
464:
465: putint(ucount(), STATROW, STATCOL, 3);
466: putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
467: putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
468: putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
469: mvaddstr(STATROW, STATCOL + 53, buf);
470: #define pgtokb(pg) ((pg) * cnt.v_page_size / 1024)
471: putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 6);
472: putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 9, 6);
473: putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 15, 7);
474: putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 22, 7);
475: putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 6);
476: putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 9, 6);
477: putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 15, 7);
478: putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 22, 7);
479: putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 29, 6);
480: putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3);
481: putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3);
482: putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3);
483: putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3);
484: putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3);
485: PUTRATE(Cnt.v_cow_faults, VMSTATROW + 0, VMSTATCOL + 3, 6);
486: PUTRATE(Cnt.v_lookups, VMSTATROW + 1, VMSTATCOL + 3, 6);
487: PUTRATE(Cnt.v_hits, VMSTATROW + 2, VMSTATCOL + 3, 6);
488: PUTRATE(Cnt.v_zfod, VMSTATROW + 3, VMSTATCOL + 4, 5);
489: PUTRATE(Cnt.v_nzfod, VMSTATROW + 4, VMSTATCOL + 3, 6);
490: putfloat(cnt.v_nzfod == 0 ? 0.0 : (100.0 * cnt.v_zfod / cnt.v_nzfod),
491: VMSTATROW + 5, VMSTATCOL + 2, 7, 2, 1);
492: putint(pgtokb(cnt.v_kernel_pages), VMSTATROW + 6, VMSTATCOL, 9);
493: putint(pgtokb(cnt.v_wire_count), VMSTATROW + 7, VMSTATCOL, 9);
494: putint(pgtokb(cnt.v_active_count), VMSTATROW + 8, VMSTATCOL, 9);
495: putint(pgtokb(cnt.v_inactive_count), VMSTATROW + 9, VMSTATCOL, 9);
496: putint(pgtokb(cnt.v_free_count), VMSTATROW + 10, VMSTATCOL, 9);
497: PUTRATE(Cnt.v_dfree, VMSTATROW + 11, VMSTATCOL, 9);
498: PUTRATE(Cnt.v_pfree, VMSTATROW + 12, VMSTATCOL, 9);
499: PUTRATE(Cnt.v_reactivated, VMSTATROW + 13, VMSTATCOL, 9);
500: PUTRATE(Cnt.v_scan, VMSTATROW + 14, VMSTATCOL, 9);
501: PUTRATE(Cnt.v_rev, VMSTATROW + 15, VMSTATCOL, 9);
1.11 kstailey 502: if (LINES - 1 > VMSTATROW + 16) {
1.1 deraadt 503: PUTRATE(Cnt.v_intrans, VMSTATROW + 16, VMSTATCOL, 9);
1.11 kstailey 504: }
1.1 deraadt 505: PUTRATE(Cnt.v_pageins, PAGEROW + 2, PAGECOL + 5, 5);
506: PUTRATE(Cnt.v_pageouts, PAGEROW + 2, PAGECOL + 10, 5);
507: PUTRATE(Cnt.v_swpin, PAGEROW + 2, PAGECOL + 15, 5); /* - */
508: PUTRATE(Cnt.v_swpout, PAGEROW + 2, PAGECOL + 20, 5); /* - */
509: PUTRATE(Cnt.v_pgpgin, PAGEROW + 3, PAGECOL + 5, 5); /* ? */
510: PUTRATE(Cnt.v_pgpgout, PAGEROW + 3, PAGECOL + 10, 5); /* ? */
511: PUTRATE(Cnt.v_pswpin, PAGEROW + 3, PAGECOL + 15, 5); /* - */
512: PUTRATE(Cnt.v_pswpout, PAGEROW + 3, PAGECOL + 20, 5); /* - */
513: PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5);
514: PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5);
515: PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5);
516: PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5);
517: PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5);
518: PUTRATE(Cnt.v_faults, GENSTATROW + 1, GENSTATCOL + 25, 5);
519: mvprintw(DISKROW, DISKCOL + 5, " ");
520: for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++)
521: if (dk_select[i]) {
522: mvprintw(DISKROW, DISKCOL + 5 + 5 * c,
1.5 downsj 523: " %4.4s", dr_name[i]);
1.1 deraadt 524: dinfo(i, ++c);
525: }
526: putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
527: putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9);
528: #define nz(x) ((x) ? (x) : 1)
529: putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount),
530: NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
531: putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
532: putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
533: NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1);
534: #undef nz
535: }
536:
537: int
538: cmdkre(cmd, args)
539: char *cmd, *args;
540: {
541:
542: if (prefix(cmd, "run")) {
543: copyinfo(&s2, &s1);
544: state = RUN;
545: return (1);
546: }
547: if (prefix(cmd, "boot")) {
548: state = BOOT;
549: copyinfo(&z, &s1);
550: return (1);
551: }
552: if (prefix(cmd, "time")) {
553: state = TIME;
554: return (1);
555: }
556: if (prefix(cmd, "zero")) {
557: if (state == RUN)
558: getinfo(&s1, RUN);
559: return (1);
560: }
561: return (dkcmd(cmd, args));
562: }
563:
564: /* calculate number of users on the system */
565: static int
566: ucount()
567: {
568: register int nusers = 0;
569:
570: if (ut < 0)
571: return (0);
572: while (read(ut, &utmp, sizeof(utmp)))
573: if (utmp.ut_name[0] != '\0')
574: nusers++;
575:
576: lseek(ut, 0L, L_SET);
577: return (nusers);
578: }
579:
580: static float
581: cputime(indx)
582: int indx;
583: {
584: double t;
585: register int i;
586:
587: t = 0;
588: for (i = 0; i < CPUSTATES; i++)
589: t += s.time[i];
590: if (t == 0.0)
591: t = 1.0;
592: return (s.time[indx] * 100.0 / t);
593: }
594:
595: static void
596: putint(n, l, c, w)
597: int n, l, c, w;
598: {
599: char b[128];
600:
601: move(l, c);
602: if (n == 0) {
603: while (w-- > 0)
604: addch(' ');
605: return;
606: }
1.12 ! deraadt 607: snprintf(b, sizeof b, "%*d", w, n);
1.1 deraadt 608: if (strlen(b) > w) {
609: while (w-- > 0)
610: addch('*');
611: return;
612: }
613: addstr(b);
614: }
615:
616: static void
617: putfloat(f, l, c, w, d, nz)
618: double f;
619: int l, c, w, d, nz;
620: {
621: char b[128];
622:
623: move(l, c);
624: if (nz && f == 0.0) {
625: while (--w >= 0)
626: addch(' ');
627: return;
628: }
1.12 ! deraadt 629: snprintf(b, sizeof b, "%*.*f", w, d, f);
1.1 deraadt 630: if (strlen(b) > w) {
631: while (--w >= 0)
632: addch('*');
633: return;
634: }
635: addstr(b);
636: }
637:
638: static void
639: getinfo(s, st)
640: struct Info *s;
641: enum state st;
642: {
643: int mib[2];
644: size_t size;
645: extern int errno;
1.3 tholo 646: #if defined(i386)
647: struct intrhand *intrhand[16], *ihp, ih;
648: int i, n;
649: #endif
1.1 deraadt 650:
1.2 deraadt 651: dkreadstats();
1.1 deraadt 652: NREAD(X_CPTIME, s->time, sizeof s->time);
653: NREAD(X_CNT, &s->Cnt, sizeof s->Cnt);
654: NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats);
1.3 tholo 655: #if defined(i386)
656: NREAD(X_INTRHAND, intrhand, sizeof(intrhand));
657: for (i = 0, n = 0; i < 16; i++) {
658: ihp = intrhand[i];
659: while (ihp) {
660: KREAD(ihp, &ih, sizeof(ih));
661: s->intrcnt[n++] = ih.ih_count;
662: ihp = ih.ih_next;
663: }
664: }
665: #else
1.1 deraadt 666: NREAD(X_INTRCNT, s->intrcnt, nintr * LONG);
1.3 tholo 667: #endif
1.1 deraadt 668: size = sizeof(s->Total);
669: mib[0] = CTL_VM;
670: mib[1] = VM_METER;
671: if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) {
672: error("Can't get kernel info: %s\n", strerror(errno));
673: bzero(&s->Total, sizeof(s->Total));
674: }
675: }
676:
677: static void
678: allocinfo(s)
679: struct Info *s;
680: {
681:
682: s->intrcnt = (long *) malloc(nintr * sizeof(long));
683: if (s->intrcnt == NULL)
684: errx(2, "out of memory");
685: }
686:
687: static void
688: copyinfo(from, to)
689: register struct Info *from, *to;
690: {
691: long *intrcnt;
692:
1.2 deraadt 693: intrcnt = to->intrcnt;
1.1 deraadt 694: *to = *from;
695: bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
696: }
697:
698: static void
699: dinfo(dn, c)
700: int dn, c;
701: {
1.2 deraadt 702: double words, atime;
1.1 deraadt 703:
704: c = DISKCOL + c * 5;
1.2 deraadt 705:
706: /* time busy in disk activity */
707: atime = (double)cur.dk_time[dn].tv_sec +
708: ((double)cur.dk_time[dn].tv_usec / (double)1000000);
709:
710: words = cur.dk_bytes[dn] / 1024.0; /* # of K transferred */
711:
712: putint((int)((float)cur.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
713: putint((int)((float)cur.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5);
714: putint((int)(words/etime + 0.5), DISKROW + 3, c, 5);
715: putfloat(atime/etime, DISKROW + 4, c, 5, 1, 1);
1.1 deraadt 716: }
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