vmstat.c (81a4459b5f06bf6e531285c5a4c8ef390657aabb) vmstat.c (8d2fbde5040bc61a6c4685c0b8db2289834bc353)
1/*-
2 * Copyright (c) 1983, 1989, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
37#endif
38static const char rcsid[] =
1/*-
2 * Copyright (c) 1983, 1989, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
37#endif
38static const char rcsid[] =
39 "$Id: vmstat.c,v 1.25 1998/06/09 04:17:29 imp Exp $";
39 "$Id: vmstat.c,v 1.26 1998/07/06 22:08:00 bde Exp $";
40#endif /* not lint */
41
42/*
43 * Cursed vmstat -- from Robert Elz.
44 */
45
46#include <sys/param.h>
40#endif /* not lint */
41
42/*
43 * Cursed vmstat -- from Robert Elz.
44 */
45
46#include <sys/param.h>
47#include <sys/dkstat.h>
48#include <sys/buf.h>
49#include <sys/stat.h>
50#include <sys/time.h>
51#include <sys/proc.h>
52#include <sys/uio.h>
53#include <sys/namei.h>
54#include <sys/sysctl.h>
47#include <sys/buf.h>
48#include <sys/stat.h>
49#include <sys/time.h>
50#include <sys/proc.h>
51#include <sys/uio.h>
52#include <sys/namei.h>
53#include <sys/sysctl.h>
54#include <sys/dkstat.h>
55#include <sys/vmmeter.h>
56
57#include <vm/vm_param.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 <time.h>
67#include <unistd.h>
68#include <utmp.h>
55#include <sys/vmmeter.h>
56
57#include <vm/vm_param.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 <time.h>
67#include <unistd.h>
68#include <utmp.h>
69#include <devstat.h>
69#include "systat.h"
70#include "extern.h"
71
72static struct Info {
73 long time[CPUSTATES];
74 struct vmmeter Cnt;
75 struct vmtotal Total;
70#include "systat.h"
71#include "extern.h"
72
73static struct Info {
74 long time[CPUSTATES];
75 struct vmmeter Cnt;
76 struct vmtotal Total;
76 long *dk_time;
77 long *dk_wds;
78 long *dk_seek;
79 long *dk_xfer;
80 int dk_busy;
81 struct nchstats nchstats;
82 long nchcount;
83 long *intrcnt;
84 int bufspace;
85 int desiredvnodes;
86 long numvnodes;
87 long freevnodes;
88} s, s1, s2, z;
89
77 struct nchstats nchstats;
78 long nchcount;
79 long *intrcnt;
80 int bufspace;
81 int desiredvnodes;
82 long numvnodes;
83 long freevnodes;
84} s, s1, s2, z;
85
86struct statinfo cur, last, run;
87
90#define cnt s.Cnt
91#define oldcnt s1.Cnt
92#define total s.Total
93#define nchtotal s.nchstats
94#define oldnchtotal s1.nchstats
95
96static enum state { BOOT, TIME, RUN } state = TIME;
97
98static void allocinfo __P((struct Info *));
99static void copyinfo __P((struct Info *, struct Info *));
100static float cputime __P((int));
88#define cnt s.Cnt
89#define oldcnt s1.Cnt
90#define total s.Total
91#define nchtotal s.nchstats
92#define oldnchtotal s1.nchstats
93
94static enum state { BOOT, TIME, RUN } state = TIME;
95
96static void allocinfo __P((struct Info *));
97static void copyinfo __P((struct Info *, struct Info *));
98static float cputime __P((int));
101static void dinfo __P((int, int));
99static void dinfo __P((int, int, struct statinfo *, struct statinfo *));
102static void getinfo __P((struct Info *, enum state));
103static void putint __P((int, int, int, int));
104static void putfloat __P((double, int, int, int, int, int));
100static void getinfo __P((struct Info *, enum state));
101static void putint __P((int, int, int, int));
102static void putfloat __P((double, int, int, int, int, int));
103static void putlongdouble __P((long double, int, int, int, int, int));
105static int ucount __P((void));
106
107static int ncpu;
108static int ut;
109static char buf[26];
110static time_t t;
111static double etime;
112static int nintr;

--- 29 unchanged lines hidden (view full) ---

142
143static struct nlist namelist[] = {
144#define X_CPTIME 0
145 { "_cp_time" },
146#define X_CNT 1
147 { "_cnt" },
148#define X_BUFFERSPACE 2
149 { "_bufspace" },
104static int ucount __P((void));
105
106static int ncpu;
107static int ut;
108static char buf[26];
109static time_t t;
110static double etime;
111static int nintr;

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141
142static struct nlist namelist[] = {
143#define X_CPTIME 0
144 { "_cp_time" },
145#define X_CNT 1
146 { "_cnt" },
147#define X_BUFFERSPACE 2
148 { "_bufspace" },
150#define X_DK_BUSY 3
151 { "_dk_busy" },
152#define X_DK_TIME 4
153 { "_dk_time" },
154#define X_DK_XFER 5
155 { "_dk_xfer" },
156#define X_DK_WDS 6
157 { "_dk_wds" },
158#define X_DK_SEEK 7
159 { "_dk_seek" },
160#define X_NCHSTATS 8
149#define X_NCHSTATS 3
161 { "_nchstats" },
150 { "_nchstats" },
162#define X_INTRNAMES 9
151#define X_INTRNAMES 4
163 { "_intrnames" },
152 { "_intrnames" },
164#define X_EINTRNAMES 10
153#define X_EINTRNAMES 5
165 { "_eintrnames" },
154 { "_eintrnames" },
166#define X_INTRCNT 11
155#define X_INTRCNT 6
167 { "_intrcnt" },
156 { "_intrcnt" },
168#define X_EINTRCNT 12
157#define X_EINTRCNT 7
169 { "_eintrcnt" },
158 { "_eintrcnt" },
170#define X_DESIREDVNODES 13
159#define X_DESIREDVNODES 8
171 { "_desiredvnodes" },
160 { "_desiredvnodes" },
172#define X_NUMVNODES 14
161#define X_NUMVNODES 9
173 { "_numvnodes" },
162 { "_numvnodes" },
174#define X_FREEVNODES 15
163#define X_FREEVNODES 10
175 { "_freevnodes" },
176 { "" },
177};
178
179/*
180 * These constants define where the major pieces are laid out
181 */
182#define STATROW 0 /* uses 1 row and 68 cols */

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195#define VMSTATCOL 48
196#define GRAPHROW 10 /* uses 3 rows and 51 cols */
197#define GRAPHCOL 0
198#define NAMEIROW 14 /* uses 3 rows and 38 cols */
199#define NAMEICOL 0
200#define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */
201#define DISKCOL 0
202
164 { "_freevnodes" },
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 */

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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
203#define DRIVESPACE 9 /* max # for space */
192#define DRIVESPACE 7 /* max # for space */
204
193
205#if DK_NDRIVE > DRIVESPACE
206#define MAXDRIVES DRIVESPACE /* max # to display */
194#define MAXDRIVES DRIVESPACE /* max # to display */
207#else
208#define MAXDRIVES DK_NDRIVE /* max # to display */
209#endif
210
211int
212initkre()
213{
214 char *intrnamebuf, *cp;
215 int i;
216 static int once = 0;
217
218 if (namelist[0].n_type == 0) {
219 if (kvm_nlist(kd, namelist)) {
220 nlisterr(namelist);
221 return(0);
222 }
223 if (namelist[0].n_type == 0) {
224 error("No namelist");
225 return(0);
226 }
227 }
195
196int
197initkre()
198{
199 char *intrnamebuf, *cp;
200 int i;
201 static int once = 0;
202
203 if (namelist[0].n_type == 0) {
204 if (kvm_nlist(kd, namelist)) {
205 nlisterr(namelist);
206 return(0);
207 }
208 if (namelist[0].n_type == 0) {
209 error("No namelist");
210 return(0);
211 }
212 }
228 if (! dkinit())
213
214 if (num_devices = getnumdevs() < 0) {
215 warnx("%s", devstat_errbuf);
229 return(0);
216 return(0);
230 if (dk_ndrive && !once) {
231#define allocate(e, t) \
232 s./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
233 s1./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
234 s2./**/e = (t *)calloc(dk_ndrive, sizeof (t)); \
235 z./**/e = (t *)calloc(dk_ndrive, sizeof (t));
236 allocate(dk_time, long);
237 allocate(dk_wds, long);
238 allocate(dk_seek, long);
239 allocate(dk_xfer, long);
240 once = 1;
241#undef allocate
242 }
217 }
218
219 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
220 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
221 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
222 bzero(cur.dinfo, sizeof(struct devinfo));
223 bzero(last.dinfo, sizeof(struct devinfo));
224 bzero(run.dinfo, sizeof(struct devinfo));
225
226 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
227 return(0);
228
243 if (nintr == 0) {
244 nintr = (namelist[X_EINTRCNT].n_value -
245 namelist[X_INTRCNT].n_value) / sizeof (long);
246 intrloc = calloc(nintr, sizeof (long));
247 intrname = calloc(nintr, sizeof (long));
248 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value -
249 namelist[X_INTRNAMES].n_value);
250 if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) {

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336 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w");
337 mvprintw(GRAPHROW + 1, GRAPHCOL,
338 "| | | | | | | | | | |");
339
340 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
341 mvprintw(NAMEIROW + 1, NAMEICOL,
342 " Calls hits %% hits %%");
343 mvprintw(DISKROW, DISKCOL, "Discs");
229 if (nintr == 0) {
230 nintr = (namelist[X_EINTRCNT].n_value -
231 namelist[X_INTRCNT].n_value) / sizeof (long);
232 intrloc = calloc(nintr, sizeof (long));
233 intrname = calloc(nintr, sizeof (long));
234 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value -
235 namelist[X_INTRNAMES].n_value);
236 if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) {

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322 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w");
323 mvprintw(GRAPHROW + 1, GRAPHCOL,
324 "| | | | | | | | | | |");
325
326 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
327 mvprintw(NAMEIROW + 1, NAMEICOL,
328 " Calls hits %% hits %%");
329 mvprintw(DISKROW, DISKCOL, "Discs");
344 mvprintw(DISKROW + 1, DISKCOL, "seeks");
345 mvprintw(DISKROW + 2, DISKCOL, "xfers");
346 mvprintw(DISKROW + 3, DISKCOL, " blks");
347 mvprintw(DISKROW + 4, DISKCOL, " msps");
330 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
331 mvprintw(DISKROW + 2, DISKCOL, "tps");
332 mvprintw(DISKROW + 3, DISKCOL, "MB/s");
333 /*
334 * For now, we don't support a fourth disk statistic. So there's
335 * no point in providing a label for it. If someone can think of a
336 * fourth useful disk statistic, there is room to add it.
337 */
338 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
348 j = 0;
339 j = 0;
349 for (i = 0; i < dk_ndrive && j < MAXDRIVES; i++)
350 if (dk_select[i]) {
351 mvprintw(DISKROW, DISKCOL + 5 + 5 * j,
352 " %4.4s", dr_name[j]);
340 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
341 if (dev_select[i].selected) {
342 char tmpstr[80];
343 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
344 dev_select[i].unit_number);
345 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
346 " %5.5s", tmpstr);
353 j++;
354 }
355 for (i = 0; i < nintr; i++) {
356 if (intrloc[i] == 0)
357 continue;
358 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]);
359 }
360}
361
362#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
347 j++;
348 }
349 for (i = 0; i < nintr; i++) {
350 if (intrloc[i] == 0)
351 continue;
352 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]);
353 }
354}
355
356#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
357#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
363#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
364#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
365 if(state == TIME) s1.nchstats.fld = t;}
366#define PUTRATE(fld, l, c, w) \
367 Y(fld); \
368 putint((int)((float)s.fld/etime + 0.5), l, c, w)
369#define MAXFAIL 5
370

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375void
376showkre()
377{
378 float f1, f2;
379 int psiz, inttotal;
380 int i, l, c;
381 static int failcnt = 0;
382
358#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
359#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
360 if(state == TIME) s1.nchstats.fld = t;}
361#define PUTRATE(fld, l, c, w) \
362 Y(fld); \
363 putint((int)((float)s.fld/etime + 0.5), l, c, w)
364#define MAXFAIL 5
365

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370void
371showkre()
372{
373 float f1, f2;
374 int psiz, inttotal;
375 int i, l, c;
376 static int failcnt = 0;
377
383 for (i = 0; i < dk_ndrive; i++) {
384 X(dk_xfer); X(dk_seek); X(dk_wds); X(dk_time);
385 }
386 etime = 0;
387 for(i = 0; i < CPUSTATES; i++) {
388 X(time);
378 etime = 0;
379 for(i = 0; i < CPUSTATES; i++) {
380 X(time);
381 Q(cp_time);
389 etime += s.time[i];
390 }
391 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
392 if (failcnt++ >= MAXFAIL) {
393 clear();
394 mvprintw(2, 10, "The alternate system clock has died!");
395 mvprintw(3, 10, "Reverting to ``pigs'' display.");
396 move(CMDLINE, 0);

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491 PUTRATE(Cnt.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5);
492 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5);
493 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5);
494 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5);
495 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5);
496 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5);
497 PUTRATE(Cnt.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5);
498 mvprintw(DISKROW, DISKCOL + 5, " ");
382 etime += s.time[i];
383 }
384 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
385 if (failcnt++ >= MAXFAIL) {
386 clear();
387 mvprintw(2, 10, "The alternate system clock has died!");
388 mvprintw(3, 10, "Reverting to ``pigs'' display.");
389 move(CMDLINE, 0);

--- 94 unchanged lines hidden (view full) ---

484 PUTRATE(Cnt.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5);
485 PUTRATE(Cnt.v_swtch, GENSTATROW + 1, GENSTATCOL, 5);
486 PUTRATE(Cnt.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5);
487 PUTRATE(Cnt.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5);
488 PUTRATE(Cnt.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5);
489 PUTRATE(Cnt.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5);
490 PUTRATE(Cnt.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5);
491 mvprintw(DISKROW, DISKCOL + 5, " ");
499 for (i = 0, c = 0; i < dk_ndrive && c < MAXDRIVES; i++)
500 if (dk_select[i]) {
501 mvprintw(DISKROW, DISKCOL + 5 + 5 * c,
502 " %4.4s", dr_name[i]);
503 dinfo(i, ++c);
492 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++)
493 if (dev_select[i].selected) {
494 char tmpstr[80];
495 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
496 dev_select[i].unit_number);
497 mvprintw(DISKROW, DISKCOL + 5 + 6 * c,
498 " %5.5s", tmpstr);
499 switch(state) {
500 case TIME:
501 dinfo(i, ++c, &cur, &last);
502 break;
503 case RUN:
504 dinfo(i, ++c, &cur, &run);
505 break;
506 case BOOT:
507 dinfo(i, ++c, &cur, NULL);
508 break;
509 }
504 }
505 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
506 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
507 NAMEIROW + 2, NAMEICOL + 9, 9);
508#define nz(x) ((x) ? (x) : 1)
509 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
510 100.0 / nz(s.nchcount),
511 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
512 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
513 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
514 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1);
515#undef nz
516}
517
518int
519cmdkre(cmd, args)
520 char *cmd, *args;
521{
510 }
511 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
512 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
513 NAMEIROW + 2, NAMEICOL + 9, 9);
514#define nz(x) ((x) ? (x) : 1)
515 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
516 100.0 / nz(s.nchcount),
517 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
518 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
519 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
520 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1);
521#undef nz
522}
523
524int
525cmdkre(cmd, args)
526 char *cmd, *args;
527{
528 int retval;
522
523 if (prefix(cmd, "run")) {
529
530 if (prefix(cmd, "run")) {
531 retval = 1;
524 copyinfo(&s2, &s1);
532 copyinfo(&s2, &s1);
533 switch (getdevs(&run)) {
534 case -1:
535 errx(1, "%s", devstat_errbuf);
536 break;
537 case 1:
538 num_devices = run.dinfo->numdevs;
539 generation = run.dinfo->generation;
540 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
541 if (retval == 2)
542 labelkre();
543 break;
544 default:
545 break;
546 }
525 state = RUN;
547 state = RUN;
526 return (1);
548 return (retval);
527 }
528 if (prefix(cmd, "boot")) {
529 state = BOOT;
530 copyinfo(&z, &s1);
531 return (1);
532 }
533 if (prefix(cmd, "time")) {
534 state = TIME;
535 return (1);
536 }
537 if (prefix(cmd, "zero")) {
549 }
550 if (prefix(cmd, "boot")) {
551 state = BOOT;
552 copyinfo(&z, &s1);
553 return (1);
554 }
555 if (prefix(cmd, "time")) {
556 state = TIME;
557 return (1);
558 }
559 if (prefix(cmd, "zero")) {
538 if (state == RUN)
560 retval = 1;
561 if (state == RUN) {
539 getinfo(&s1, RUN);
562 getinfo(&s1, RUN);
540 return (1);
563 switch (getdevs(&run)) {
564 case -1:
565 errx(1, "%s", devstat_errbuf);
566 break;
567 case 1:
568 num_devices = run.dinfo->numdevs;
569 generation = run.dinfo->generation;
570 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
571 if (retval == 2)
572 labelkre();
573 break;
574 default:
575 break;
576 }
577 }
578 return (retval);
541 }
579 }
542 return (dkcmd(cmd, args));
580 retval = dscmd(cmd, args, MAXDRIVES, &cur);
581
582 if (retval == 2)
583 labelkre();
584
585 return(retval);
543}
544
545/* calculate number of users on the system */
546static int
547ucount()
548{
549 register int nusers = 0;
550

--- 61 unchanged lines hidden (view full) ---

612 while (--w >= 0)
613 addch('*');
614 return;
615 }
616 addstr(b);
617}
618
619static void
586}
587
588/* calculate number of users on the system */
589static int
590ucount()
591{
592 register int nusers = 0;
593

--- 61 unchanged lines hidden (view full) ---

655 while (--w >= 0)
656 addch('*');
657 return;
658 }
659 addstr(b);
660}
661
662static void
663putlongdouble(f, l, c, w, d, nz)
664 long double f;
665 int l, c, w, d, nz;
666{
667 char b[128];
668
669 move(l, c);
670 if (nz && f == 0.0) {
671 while (--w >= 0)
672 addch(' ');
673 return;
674 }
675 sprintf(b, "%*.*Lf", w, d, f);
676 if (strlen(b) > w) {
677 while (--w >= 0)
678 addch('*');
679 return;
680 }
681 addstr(b);
682}
683
684static void
620getinfo(s, st)
621 struct Info *s;
622 enum state st;
623{
685getinfo(s, st)
686 struct Info *s;
687 enum state st;
688{
689 struct devinfo *tmp_dinfo;
624 int mib[2], size;
625 extern int errno;
626
627 NREAD(X_CPTIME, s->time, sizeof s->time);
690 int mib[2], size;
691 extern int errno;
692
693 NREAD(X_CPTIME, s->time, sizeof s->time);
694 NREAD(X_CPTIME, cur.cp_time, sizeof(cur.cp_time));
628 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt);
629 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace));
630 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes));
631 NREAD(X_NUMVNODES, &s->numvnodes, LONG);
632 NREAD(X_FREEVNODES, &s->freevnodes, LONG);
695 NREAD(X_CNT, &s->Cnt, sizeof s->Cnt);
696 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace));
697 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes));
698 NREAD(X_NUMVNODES, &s->numvnodes, LONG);
699 NREAD(X_FREEVNODES, &s->freevnodes, LONG);
633 NREAD(X_DK_BUSY, &s->dk_busy, sizeof(s->dk_busy));
634 NREAD(X_DK_TIME, s->dk_time, dk_ndrive * LONG);
635 NREAD(X_DK_XFER, s->dk_xfer, dk_ndrive * LONG);
636 NREAD(X_DK_WDS, s->dk_wds, dk_ndrive * LONG);
637 NREAD(X_DK_SEEK, s->dk_seek, dk_ndrive * LONG);
638 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats);
639 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG);
640 size = sizeof(s->Total);
641 mib[0] = CTL_VM;
642 mib[1] = VM_METER;
643 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) {
644 error("Can't get kernel info: %s\n", strerror(errno));
645 bzero(&s->Total, sizeof(s->Total));
646 }
647 size = sizeof(ncpu);
648 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0)
649 ncpu = 1;
700 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats);
701 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG);
702 size = sizeof(s->Total);
703 mib[0] = CTL_VM;
704 mib[1] = VM_METER;
705 if (sysctl(mib, 2, &s->Total, &size, NULL, 0) < 0) {
706 error("Can't get kernel info: %s\n", strerror(errno));
707 bzero(&s->Total, sizeof(s->Total));
708 }
709 size = sizeof(ncpu);
710 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0)
711 ncpu = 1;
712
713 tmp_dinfo = last.dinfo;
714 last.dinfo = cur.dinfo;
715 cur.dinfo = tmp_dinfo;
716
717 last.busy_time = cur.busy_time;
718 switch (getdevs(&cur)) {
719 case -1:
720 errx(1, "%s", devstat_errbuf);
721 break;
722 case 1:
723 num_devices = cur.dinfo->numdevs;
724 generation = cur.dinfo->generation;
725 cmdkre("refresh", NULL);
726 break;
727 default:
728 break;
729 }
650}
651
652static void
653allocinfo(s)
654 struct Info *s;
655{
656
657 s->intrcnt = (long *) calloc(nintr, sizeof(long));
658 if (s->intrcnt == NULL)
659 errx(2, "out of memory");
660}
661
662static void
663copyinfo(from, to)
664 register struct Info *from, *to;
665{
730}
731
732static void
733allocinfo(s)
734 struct Info *s;
735{
736
737 s->intrcnt = (long *) calloc(nintr, sizeof(long));
738 if (s->intrcnt == NULL)
739 errx(2, "out of memory");
740}
741
742static void
743copyinfo(from, to)
744 register struct Info *from, *to;
745{
666 long *time, *wds, *seek, *xfer;
667 long *intrcnt;
746 long *intrcnt;
747 struct devinfo tmp_dinfo;
668
669 /*
670 * time, wds, seek, and xfer are malloc'd so we have to
671 * save the pointers before the structure copy and then
672 * copy by hand.
673 */
748
749 /*
750 * time, wds, seek, and xfer are malloc'd so we have to
751 * save the pointers before the structure copy and then
752 * copy by hand.
753 */
674 time = to->dk_time; wds = to->dk_wds; seek = to->dk_seek;
675 xfer = to->dk_xfer; intrcnt = to->intrcnt;
754 intrcnt = to->intrcnt;
676 *to = *from;
755 *to = *from;
677 bcopy(from->dk_time, to->dk_time = time, dk_ndrive * sizeof (long));
678 bcopy(from->dk_wds, to->dk_wds = wds, dk_ndrive * sizeof (long));
679 bcopy(from->dk_seek, to->dk_seek = seek, dk_ndrive * sizeof (long));
680 bcopy(from->dk_xfer, to->dk_xfer = xfer, dk_ndrive * sizeof (long));
756
681 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
682}
683
684static void
757 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
758}
759
760static void
685dinfo(dn, c)
761dinfo(dn, c, now, then)
686 int dn, c;
762 int dn, c;
763 struct statinfo *now, *then;
687{
764{
688 double words, atime, itime, xtime;
765 long double transfers_per_second;
766 long double kb_per_transfer, mb_per_second;
767 long double busy_seconds;
768 int di;
689
769
690 c = DISKCOL + c * 5;
691 atime = s.dk_time[dn];
692 atime /= hertz;
693 words = s.dk_wds[dn]*32.0; /* number of words transferred */
694 xtime = dk_mspw[dn]*words; /* transfer time */
695 itime = atime - xtime; /* time not transferring */
696 if (xtime < 0)
697 itime += xtime, xtime = 0;
698 if (itime < 0)
699 xtime += itime, itime = 0;
700 putint((int)((float)s.dk_seek[dn]/etime+0.5), DISKROW + 1, c, 5);
701 putint((int)((float)s.dk_xfer[dn]/etime+0.5), DISKROW + 2, c, 5);
702 putint((int)(words/etime/512.0 + 0.5), DISKROW + 3, c, 5);
703 if (s.dk_seek[dn])
704 putfloat(itime*1000.0/s.dk_seek[dn], DISKROW + 4, c, 5, 1, 1);
705 else
706 putint(0, DISKROW + 4, c, 5);
770 di = dev_select[dn].position;
771
772 busy_seconds = compute_etime(now->busy_time, then ?
773 then->busy_time :
774 then->dinfo->devices[di].dev_creation_time);
775
776 if (compute_stats(&now->dinfo->devices[di], then ?
777 &then->dinfo->devices[di] : NULL, busy_seconds,
778 NULL, NULL, NULL,
779 &kb_per_transfer, &transfers_per_second,
780 &mb_per_second, NULL, NULL) != 0)
781 errx(1, "%s", devstat_errbuf);
782
783 c = DISKCOL + c * 6;
784 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0);
785 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0);
786 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0);
707}
787}