![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to vmstat.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [CSRG BSD Unix] / 43BSDTahoe / ucb / systat|
Return to vmstat.c CVS log | Up to [CSRG BSD Unix] / 43BSDTahoe / ucb / systat |
1.1 root 1: /*
2: * Copyright (c) 1983 Regents of the University of California.
3: * All rights reserved. The Berkeley software License Agreement
4: * specifies the terms and conditions for redistribution.
5: */
6:
7: #ifndef lint
8: static char sccsid[] = "@(#)vmstat.c 5.9 (Berkeley) 10/3/87";
9: #endif not lint
10:
11: /*
12: * Cursed vmstat -- from Robert Elz.
13: */
14:
15: #include "systat.h"
16:
17: #include <ctype.h>
18: #include <utmp.h>
19:
20: #include <sys/vm.h>
21: #include <sys/buf.h>
22: #include <sys/stat.h>
23: #include <sys/dir.h>
24: #include <sys/user.h>
25: #include <sys/proc.h>
26: #include <sys/namei.h>
27:
28: #include <machine/pte.h>
29:
30: static int ut;
31:
32: WINDOW *
33: openkre()
34: {
35:
36: ut = open("/etc/utmp", O_RDONLY);
37: if (ut < 0)
38: error("No utmp");
39: return (stdscr);
40: }
41:
42: closekre(w)
43: WINDOW *w;
44: {
45:
46: (void) close(ut);
47: if (w == NULL)
48: return;
49: wclear(w);
50: wrefresh(w);
51: }
52:
53: long time();
54: float cputime();
55: struct utmp utmp;
56:
57: static struct nlist name[] = {
58: { "_cp_time" },
59: #define X_CPTIME 0
60: { "_rate" },
61: #define X_RATE 1
62: { "_total" },
63: #define X_TOTAL 2
64: { "_proc" },
65: #define X_PROC 3
66: { "_nproc" },
67: #define X_NPROC 4
68: { "_sum" },
69: #define X_SUM 5
70: { "_dk_busy" },
71: #define X_DK_BUSY 6
72: { "_dk_time" },
73: #define X_DK_TIME 7
74: { "_dk_xfer" },
75: #define X_DK_XFER 8
76: { "_dk_wds" },
77: #define X_DK_WDS 9
78: { "_tk_nin" },
79: #define X_TK_NIN 10
80: { "_tk_nout" },
81: #define X_TK_NOUT 11
82: { "_dk_seek" },
83: #define X_DK_SEEK 12
84: { "_nchstats" },
85: #define X_NCHSTATS 13
86: { "_intrnames" },
87: #define X_INTRNAMES 14
88: { "_eintrnames" },
89: #define X_EINTRNAMES 15
90: { "_intrcnt" },
91: #define X_INTRCNT 16
92: { "_eintrcnt" },
93: #define X_EINTRCNT 17
94: { "" },
95: };
96:
97: static struct Info {
98: long time[CPUSTATES];
99: struct vmmeter Rate;
100: struct vmtotal Total;
101: struct vmmeter Sum;
102: struct forkstat Forkstat;
103: long *dk_time;
104: long *dk_wds;
105: long *dk_seek;
106: long *dk_xfer;
107: int dk_busy;
108: long tk_nin;
109: long tk_nout;
110: struct nchstats nchstats;
111: long nchcount;
112: long *intrcnt;
113: } s, s1, s2, z;
114:
115: #define total s.Total
116: #define sum s.Sum
117: #define sumold s1.Sum
118: #define rate s.Rate
119: #define nchtotal s.nchstats
120: #define oldnchtotal s1.nchstats
121: #define oldrate s1.Rate
122:
123: static char buf[26];
124: static time_t t;
125: static double etime;
126: static float hertz;
127: static int nintr;
128: static long *intrloc;
129: static char **intrname;
130: static int nextintsrow;
131:
132: static enum state { BOOT, TIME, RUN } state = TIME;
133:
134: /*
135: * These constants define where the major pieces are laid out
136: */
137: #define PROCSROW 13 /* uses 2 rows and 20 cols */
138: #define PROCSCOL 0
139: #define NAMEIROW 20 /* uses 3 rows and 38 cols */
140: #define NAMEICOL 0
141: #define GRAPHROW 16 /* uses 3 rows and 51 cols */
142: #define GRAPHCOL 0
143: #define GENSTATROW 14 /* uses 9 rows and 11 cols */
144: #define GENSTATCOL 51
145: #define INTSROW 2 /* uses all rows to bottom and 17 cols */
146: #define INTSCOL 63
147: #define STATROW 0 /* uses 1 row and 68 cols */
148: #define STATCOL 2
149: #define PAGEROW 2 /* uses 11 rows and 26 cols */
150: #define PAGECOL 36
151: #define MEMROW 2 /* uses 4 rows and 31 cols */
152: #define MEMCOL 0
153: #define DISKROW 7 /* uses 5 rows and 35 cols */
154: #define DISKCOL 0
155:
156: initkre()
157: {
158: char *intrnamebuf, *cp;
159: int i;
160: static int once = 0;
161:
162: if (name[0].n_type == 0) {
163: nlist("/vmunix",name);
164: if (name[0].n_type == 0) {
165: error("No namelist");
166: return(0);
167: }
168: }
169: hertz = phz ? phz : hz;
170: if (! dkinit())
171: return(0);
172: if (dk_ndrive && !once) {
173: #define allocate(e, t) \
174: s./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
175: s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
176: s2./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
177: z./**/e = (t *)calloc(dk_ndrive, sizeof (t));
178: allocate(dk_time, long);
179: allocate(dk_wds, long);
180: allocate(dk_seek, long);
181: allocate(dk_xfer, long);
182: once = 1;
183: #undef allocate
184: }
185: if (nintr == 0) {
186: nintr = (name[X_EINTRCNT].n_value -
187: name[X_INTRCNT].n_value) / sizeof (long);
188: intrloc = (long *) calloc(nintr, sizeof (long));
189: intrname = (char **) calloc(nintr, sizeof (long));
190: intrnamebuf = malloc(name[X_EINTRNAMES].n_value -
191: name[X_INTRNAMES].n_value);
192: if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) {
193: error("Out of memory\n");
194: if (intrnamebuf)
195: free(intrnamebuf);
196: if (intrname)
197: free(intrname);
198: if (intrloc)
199: free(intrloc);
200: nintr = 0;
201: return(0);
202: }
203: lseek(kmem, (long)name[X_INTRNAMES].n_value, L_SET);
204: read(kmem, intrnamebuf, name[X_EINTRNAMES].n_value -
205: name[X_INTRNAMES].n_value);
206: for (cp = intrnamebuf, i = 0; i < nintr; i++) {
207: intrname[i] = cp;
208: cp += strlen(cp) + 1;
209: }
210: nextintsrow = INTSROW + 2;
211: allocinfo(&s);
212: allocinfo(&s1);
213: allocinfo(&s2);
214: allocinfo(&z);
215: }
216: getinfo(&s2, RUN);
217: copyinfo(&s2, &s1);
218: return(1);
219: }
220:
221: fetchkre()
222: {
223: time_t now;
224:
225: time(&now);
226: strcpy(buf, ctime(&now));
227: buf[16] = '\0';
228: getinfo(&s, state);
229: }
230:
231: #define MAXDRIVES 6 /* max # to display */
232:
233: labelkre()
234: {
235: register i, j;
236:
237: clear();
238: mvprintw(STATROW, STATCOL + 4, "users Load");
239: mvprintw(MEMROW, MEMCOL, "Mem REAL VIRTUAL");
240: mvprintw(MEMROW + 1, MEMCOL, " Tot Text Tot Text");
241: mvprintw(MEMROW + 2, MEMCOL, "Act");
242: mvprintw(MEMROW + 3, MEMCOL, "All");
243:
244: mvprintw(MEMROW + 1, MEMCOL + 28, "Free");
245:
246: mvprintw(PAGEROW, PAGECOL, " PAGING SWAPING ");
247: mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
248: mvprintw(PAGEROW + 2, PAGECOL, "count");
249: mvprintw(PAGEROW + 3, PAGECOL, "pages");
250:
251: mvprintw(INTSROW, INTSCOL, " Interrupts");
252: mvprintw(INTSROW + 1, INTSCOL + 9, "total");
253:
254: mvprintw(GENSTATROW, GENSTATCOL + 8, "Csw");
255: mvprintw(GENSTATROW + 1, GENSTATCOL + 8, "Trp");
256: mvprintw(GENSTATROW + 2, GENSTATCOL + 8, "Sys");
257: mvprintw(GENSTATROW + 3, GENSTATCOL + 8, "Int");
258: mvprintw(GENSTATROW + 4, GENSTATCOL + 8, "Pdm");
259: mvprintw(GENSTATROW + 5, GENSTATCOL + 8, "Sof");
260: mvprintw(GENSTATROW + 6, GENSTATCOL + 8, "Flt");
261: mvprintw(GENSTATROW + 7, GENSTATCOL + 8, "Scn");
262: mvprintw(GENSTATROW + 8, GENSTATCOL + 8, "Rev");
263:
264: mvprintw(PAGEROW + 5, PAGECOL, "Rec It F/S F/F RFL Fre SFr");
265:
266: mvprintw(PAGEROW + 8, PAGECOL + 9, " zf");
267: mvprintw(PAGEROW + 9, PAGECOL + 9, "nzf");
268: mvprintw(PAGEROW + 10, PAGECOL + 9, "%%zf");
269: mvprintw(PAGEROW + 8, PAGECOL + 23, " xf");
270: mvprintw(PAGEROW + 9, PAGECOL + 23, "nxf");
271: mvprintw(PAGEROW + 10, PAGECOL + 23, "%%xf");
272:
273: mvprintw(GRAPHROW, GRAPHCOL,
274: " . %% Sys . %% User . %% Nice . %% Idle");
275: mvprintw(PROCSROW, PROCSCOL, "Procs r p d s w");
276: mvprintw(GRAPHROW + 1, GRAPHCOL,
277: "| | | | | | | | | | |");
278:
279: mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache");
280: mvprintw(NAMEIROW + 1, NAMEICOL,
281: " Calls hits %% hits %%");
282: mvprintw(DISKROW, DISKCOL, "Discs");
283: mvprintw(DISKROW + 1, DISKCOL, "seeks");
284: mvprintw(DISKROW + 2, DISKCOL, "xfers");
285: mvprintw(DISKROW + 3, DISKCOL, " blks");
286: mvprintw(DISKROW + 4, DISKCOL, " msps");
287: j = 0;
288: for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++)
289: if (dk_select[i]) {
290: mvprintw(DISKROW, DISKCOL + 5 + 5 * j,
291: " %3.3s", dr_name[j]);
292: j++;
293: }
294: for (i = 0; i < nintr; i++) {
295: if (intrloc[i] == 0)
296: continue;
297: mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s", intrname[i]);
298: }
299: }
300:
301: #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
302: #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
303: #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
304: if(state == TIME) s1.nchstats.fld = t;}
305: #define MAXFAIL 5
306:
307: static char cpuchar[CPUSTATES] = { '=' , '>', '-', ' ' };
308: static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_IDLE };
309:
310: showkre()
311: {
312: float f1, f2;
313: int psiz, inttotal;
314: int i, l, c;
315: static int failcnt = 0;
316:
317: for (i = 0; i < dk_ndrive; i++) {
318: X(dk_xfer); X(dk_seek); X(dk_wds); X(dk_time);
319: }
320: Y(tk_nin); Y(tk_nout);
321: etime = 0;
322: for(i = 0; i < CPUSTATES; i++) {
323: X(time);
324: etime += s.time[i];
325: }
326: if (etime < 5.0) { /* < 5 ticks - ignore this trash */
327: if (failcnt++ >= MAXFAIL) {
328: clear();
329: mvprintw(2, 10, "The alternate system clock has died!");
330: mvprintw(3, 10, "Reverting to ``pigs'' display.");
331: move(CMDLINE, 0);
332: refresh();
333: failcnt = 0;
334: sleep(5);
335: command("pigs");
336: }
337: return;
338: }
339: failcnt = 0;
340: etime /= hertz;
341: inttotal = 0;
342: for (i = 0; i < nintr; i++) {
343: if (s.intrcnt[i] == 0)
344: continue;
345: if (intrloc[i] == 0) {
346: if (nextintsrow == LINES)
347: continue;
348: intrloc[i] = nextintsrow++;
349: mvprintw(intrloc[i], INTSCOL + 9, "%-8.8s",
350: intrname[i]);
351: }
352: X(intrcnt);
353: l = (int)((float)s.intrcnt[i]/etime + 0.5);
354: inttotal += l;
355: putint(l, intrloc[i], INTSCOL, 8);
356: }
357: putint(inttotal, INTSROW + 1, INTSCOL, 8);
358: Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
359: Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes);
360: s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
361: nchtotal.ncs_miss + nchtotal.ncs_long;
362: if (state == TIME)
363: s1.nchcount = s.nchcount;
364:
365: psiz = 0;
366: f2 = 0.0;
367: for (c = 0; c < CPUSTATES; c++) {
368: i = cpuorder[c];
369: f1 = cputime(i);
370: f2 += f1;
371: l = (int) ((f2 + 1.0) / 2.0) - psiz;
372: if (c == 0)
373: putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0);
374: else
375: putfloat(f1, GRAPHROW, GRAPHCOL + 12 * c,
376: 5, 1, 0);
377: move(GRAPHROW + 2, psiz);
378: psiz += l;
379: while (l-- > 0)
380: addch(cpuchar[c]);
381: }
382:
383: putint(ucount(), STATROW, STATCOL, 3);
384: putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
385: putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
386: putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
387: mvaddstr(STATROW, STATCOL + 53, buf);
388: putint(total.t_arm/2, MEMROW + 2, MEMCOL + 4, 5);
389: putint(total.t_armtxt/2, MEMROW + 2, MEMCOL + 9, 5);
390: putint(total.t_avm/2, MEMROW + 2, MEMCOL + 14, 6);
391: putint(total.t_avmtxt/2, MEMROW + 2, MEMCOL + 20, 5);
392: putint(total.t_rm/2, MEMROW + 3, MEMCOL + 4, 5);
393: putint(total.t_rmtxt/2, MEMROW + 3, MEMCOL + 9, 5);
394: putint(total.t_vm/2, MEMROW + 3, MEMCOL + 14, 6);
395: putint(total.t_vmtxt/2, MEMROW + 3, MEMCOL + 20, 5);
396: putint(total.t_free/2, MEMROW + 2, MEMCOL + 27, 5);
397: putint(total.t_rq, PROCSROW + 1, PROCSCOL + 5, 3);
398: putint(total.t_pw, PROCSROW + 1, PROCSCOL + 8, 3);
399: putint(total.t_dw, PROCSROW + 1, PROCSCOL + 11, 3);
400: putint(total.t_sl, PROCSROW + 1, PROCSCOL + 14, 3);
401: putint(total.t_sw, PROCSROW + 1, PROCSCOL + 17, 3);
402: putrate(rate.v_swtch, oldrate.v_swtch,
403: GENSTATROW, GENSTATCOL, 7);
404: putrate(rate.v_trap, oldrate.v_trap,
405: GENSTATROW + 1, GENSTATCOL, 7);
406: putrate(rate.v_syscall, oldrate.v_syscall,
407: GENSTATROW + 2, GENSTATCOL, 7);
408: putrate(rate.v_intr, oldrate.v_intr,
409: GENSTATROW + 3, GENSTATCOL, 7);
410: putrate(rate.v_pdma, oldrate.v_pdma,
411: GENSTATROW + 4, GENSTATCOL, 7);
412: putrate(rate.v_soft, oldrate.v_soft,
413: GENSTATROW + 5, GENSTATCOL, 7);
414: putrate(rate.v_faults, oldrate.v_faults,
415: GENSTATROW + 6, GENSTATCOL, 7);
416: putrate(rate.v_scan, oldrate.v_scan,
417: GENSTATROW + 7, GENSTATCOL, 7);
418: putrate(rate.v_rev, oldrate.v_rev,
419: GENSTATROW + 8, GENSTATCOL, 7);
420: putrate(rate.v_pgin, oldrate.v_pgin, PAGEROW + 2,
421: PAGECOL + 5, 5);
422: putrate(rate.v_pgout, oldrate.v_pgout, PAGEROW + 2,
423: PAGECOL + 10, 5);
424: putrate(rate.v_swpin, oldrate.v_swpin, PAGEROW + 2,
425: PAGECOL + 15, 5);
426: putrate(rate.v_swpout, oldrate.v_swpout, PAGEROW + 2,
427: PAGECOL + 20, 5);
428: putrate(rate.v_pgpgin, oldrate.v_pgpgin, PAGEROW + 3,
429: PAGECOL + 5, 5);
430: putrate(rate.v_pgpgout, oldrate.v_pgpgout, PAGEROW + 3,
431: PAGECOL + 10, 5);
432: putrate(rate.v_pswpin, oldrate.v_pswpin, PAGEROW + 3,
433: PAGECOL + 15, 5);
434: putrate(rate.v_pswpout, oldrate.v_pswpout, PAGEROW + 3,
435: PAGECOL + 20, 5);
436: putrate(rate.v_pgrec, oldrate.v_pgrec, PAGEROW + 6, PAGECOL, 3);
437: putrate(rate.v_intrans, oldrate.v_intrans, PAGEROW + 6,
438: PAGECOL + 4, 2);
439: putrate(rate.v_xsfrec, oldrate.v_xsfrec, PAGEROW + 6,
440: PAGECOL + 7, 3);
441: putrate(rate.v_xifrec, oldrate.v_xifrec, PAGEROW + 6,
442: PAGECOL + 11, 3);
443: putrate(rate.v_pgfrec, oldrate.v_pgfrec, PAGEROW + 6,
444: PAGECOL + 15, 3);
445: putrate(rate.v_dfree, oldrate.v_dfree, PAGEROW + 6,
446: PAGECOL + 19, 3);
447: putrate(rate.v_seqfree, oldrate.v_seqfree, PAGEROW + 6,
448: PAGECOL + 23, 3);
449: putrate(rate.v_zfod, oldrate.v_zfod, PAGEROW + 8, PAGECOL, 8);
450: putrate(rate.v_nzfod, oldrate.v_nzfod, PAGEROW + 9, PAGECOL, 8);
451: putrate(rate.v_exfod, oldrate.v_exfod, PAGEROW + 8,
452: PAGECOL + 14, 8);
453: putrate(rate.v_nexfod, oldrate.v_nexfod, PAGEROW + 9,
454: PAGECOL + 14, 8);
455: putfloat (
456: rate.v_nzfod == 0 ?
457: 0.0
458: : state != RUN ?
459: ( 100.0 * rate.v_zfod / rate.v_nzfod )
460: : rate.v_nzfod == oldrate.v_nzfod ?
461: 0.0
462: :
463: ( 100.0 * (rate.v_zfod-oldrate.v_zfod)
464: / (rate.v_nzfod-oldrate.v_nzfod) )
465: , PAGEROW + 10
466: , PAGECOL
467: , 8
468: , 2
469: , 1
470: );
471: putfloat (
472: rate.v_nexfod == 0 ?
473: 0.0
474: : state != RUN ?
475: ( 100.0 * rate.v_exfod / rate.v_nexfod )
476: : rate.v_nexfod == oldrate.v_nexfod ?
477: 0.0
478: :
479: ( 100.0 * (rate.v_exfod-oldrate.v_exfod)
480: / (rate.v_nexfod-oldrate.v_nexfod) )
481: , PAGEROW + 10
482: , PAGECOL + 14
483: , 8
484: , 2
485: , 1
486: );
487: mvprintw(DISKROW,DISKCOL+5," ");
488: for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++)
489: if (dk_select[i]) {
490: mvprintw(DISKROW, DISKCOL + 5 + 5 * c,
491: " %3.3s", dr_name[i]);
492: dinfo(i, ++c);
493: }
494: putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
495: putint(nchtotal.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9);
496: #define nz(x) ((x) ? (x) : 1)
497: putfloat(nchtotal.ncs_goodhits * 100.0 / nz(s.nchcount),
498: NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
499: putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
500: putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
501: NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1);
502: #undef nz
503: }
504:
505: cmdkre(cmd, args)
506: char *cmd, *args;
507: {
508:
509: if (prefix(cmd, "run")) {
510: copyinfo(&s2, &s1);
511: state = RUN;
512: return (1);
513: }
514: if (prefix(cmd, "boot")) {
515: state = BOOT;
516: copyinfo(&z, &s1);
517: return (1);
518: }
519: if (prefix(cmd, "time")) {
520: state = TIME;
521: return (1);
522: }
523: if (prefix(cmd, "zero")) {
524: if (state == RUN)
525: getinfo(&s1, RUN);
526: return (1);
527: }
528: return (dkcmd(cmd, args));
529: }
530:
531: /* calculate number of users on the system */
532: static
533: ucount()
534: {
535: register int nusers = 0;
536:
537: if (ut < 0)
538: return (0);
539: while (read(ut, &utmp, sizeof(utmp)))
540: if (utmp.ut_name[0] != '\0')
541: nusers++;
542:
543: lseek(ut, 0L, L_SET);
544: return (nusers);
545: }
546:
547: static float
548: cputime(indx)
549: int indx;
550: {
551: double t;
552: register i;
553:
554: t = 0;
555: for (i = 0; i < CPUSTATES; i++)
556: t += s.time[i];
557: if (t == 0.0)
558: t = 1.0;
559: return (s.time[indx] * 100.0 / t);
560: }
561:
562: static
563: putrate(r, or, l, c, w)
564: {
565:
566: if (state != TIME) {
567: if (state == RUN)
568: r -= or;
569: putint((int)((float)r/etime + 0.5), l, c, w);
570: } else
571: putint(r, l, c, w);
572: }
573:
574: static
575: putint(n, l, c, w)
576: {
577: char b[128];
578:
579: move(l, c);
580: if (n == 0) {
581: while (w-- > 0)
582: addch(' ');
583: return;
584: }
585: sprintf(b, "%*d", w, n);
586: if (strlen(b) > w) {
587: while (w-- > 0)
588: addch('*');
589: return;
590: }
591: addstr(b);
592: }
593:
594: static
595: putfloat(f, l, c, w, d, nz)
596: float f;
597: {
598: char b[128];
599:
600: move(l, c);
601: if (nz && f == 0.0) {
602: while (w-- > 0)
603: addch(' ');
604: return;
605: }
606: sprintf(b, "%*.*f", w, d, f);
607: if (strlen(b) > w) {
608: while (w-- > 0)
609: addch('*');
610: return;
611: }
612: addstr(b);
613: }
614:
615: static
616: getinfo(s, st)
617: struct Info *s;
618: enum state st;
619: {
620:
621: lseek(kmem, (long)name[X_CPTIME].n_value,L_SET);
622: read(kmem, s->time, sizeof s->time);
623: if (st != TIME) {
624: lseek(kmem, (long)name[X_SUM].n_value, L_SET);
625: read(kmem, &s->Rate, sizeof s->Rate);
626: } else {
627: lseek(kmem, (long)name[X_RATE].n_value,L_SET);
628: read(kmem, &s->Rate, sizeof s->Rate);
629: }
630: lseek(kmem, (long)name[X_TOTAL].n_value, L_SET);
631: read(kmem, &s->Total, sizeof s->Total);
632: s->dk_busy = getw(name[X_DK_BUSY].n_value);
633: lseek(kmem, (long)name[X_DK_TIME].n_value, L_SET);
634: read(kmem, s->dk_time, dk_ndrive * sizeof (long));
635: lseek(kmem, (long)name[X_DK_XFER].n_value, L_SET);
636: read(kmem, s->dk_xfer, dk_ndrive * sizeof (long));
637: lseek(kmem, (long)name[X_DK_WDS].n_value, L_SET);
638: read(kmem, s->dk_wds, dk_ndrive * sizeof (long));
639: lseek(kmem, (long)name[X_DK_SEEK].n_value, L_SET);
640: read(kmem, s->dk_seek, dk_ndrive * sizeof (long));
641: s->tk_nin = getw(name[X_TK_NIN].n_value);
642: s->tk_nout = getw(name[X_TK_NOUT].n_value);
643: lseek(kmem, (long)name[X_NCHSTATS].n_value, L_SET);
644: read(kmem, &s->nchstats, sizeof s->nchstats);
645: lseek(kmem, (long)name[X_INTRCNT].n_value, L_SET);
646: read(kmem, s->intrcnt, nintr * sizeof (long));
647: }
648:
649: static
650: allocinfo(s)
651: struct Info *s;
652: {
653:
654: s->intrcnt = (long *) malloc(nintr * sizeof(long));
655: if (s->intrcnt == NULL) {
656: fprintf(stderr, "systat: out of memory\n");
657: exit(2);
658: }
659: }
660:
661: static
662: copyinfo(from, to)
663: register struct Info *from, *to;
664: {
665: long *time, *wds, *seek, *xfer;
666: long *intrcnt;
667:
668: time = to->dk_time; wds = to->dk_wds; seek = to->dk_seek;
669: xfer = to->dk_xfer; intrcnt = to->intrcnt;
670: *to = *from;
671: bcopy(from->dk_time, to->dk_time = time, dk_ndrive * sizeof (long));
672: bcopy(from->dk_wds, to->dk_wds = wds, dk_ndrive * sizeof (long));
673: bcopy(from->dk_seek, to->dk_seek = seek, dk_ndrive * sizeof (long));
674: bcopy(from->dk_xfer, to->dk_xfer = xfer, dk_ndrive * sizeof (long));
675: bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
676: }
677:
678: static
679: dinfo(dn, c)
680: {
681: double words, atime, itime, xtime;
682:
683: c = DISKCOL + c * 5;
684: atime = s.dk_time[dn];
685: atime /= hertz;
686: words = s.dk_wds[dn]*32.0; /* number of words transferred */
687: xtime = dk_mspw[dn]*words; /* transfer time */
688: itime = atime - xtime; /* time not transferring */
689: if (xtime < 0)
690: itime += xtime, xtime = 0;
691: if (itime < 0)
692: xtime += itime, itime = 0;
693: putint((int)((float)s.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
694: putint((int)((float)s.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5);
695: putint((int)(words/etime/512.0 + 0.5), DISKROW + 3, c, 5);
696: if (s.dk_seek[dn])
697: putfloat(itime*1000.0/s.dk_seek[dn], DISKROW + 4, c, 5, 1, 1);
698: else
699: putint(0, DISKROW + 4, c, 5);
700: }
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.