Do some fairly major include file cleanups to further separate kernelland
[dragonfly.git] / usr.bin / systat / vmstat.c
CommitLineData
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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
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
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32 *
33 * @(#)vmstat.c 8.2 (Berkeley) 1/12/94
34 * $FreeBSD: src/usr.bin/systat/vmstat.c,v 1.38.2.4 2002/03/12 19:50:23 phantom Exp $
05220613 35 * $DragonFly: src/usr.bin/systat/vmstat.c,v 1.6 2003/11/21 22:46:14 dillon Exp $
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36 */
37
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38/*
39 * Cursed vmstat -- from Robert Elz.
40 */
41
05220613 42#define _KERNEL_STRUCTURES
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43#include <sys/param.h>
44#include <sys/stat.h>
45#include <sys/time.h>
05220613 46#include <sys/user.h>
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47#include <sys/uio.h>
48#include <sys/namei.h>
49#include <sys/sysctl.h>
50#include <sys/dkstat.h>
51#include <sys/vmmeter.h>
52
53#include <vm/vm_param.h>
54
55#include <ctype.h>
56#include <err.h>
57#include <errno.h>
58#include <langinfo.h>
59#include <nlist.h>
60#include <paths.h>
61#include <signal.h>
62#include <stdlib.h>
63#include <string.h>
64#include <time.h>
65#include <unistd.h>
66#include <utmp.h>
67#include <devstat.h>
68#include "systat.h"
69#include "extern.h"
70#include "devs.h"
71
72static struct Info {
73 long time[CPUSTATES];
393dfc63 74 struct vmmeter Vmm;
984263bc 75 struct vmtotal Total;
393dfc63 76 struct vmstats Vms;
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77 struct nchstats nchstats;
78 long nchcount;
79 long *intrcnt;
80 int bufspace;
81 int desiredvnodes;
82 long numvnodes;
83 long freevnodes;
84 long numdirtybuffers;
85} s, s1, s2, z;
86
87struct statinfo cur, last, run;
88
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89#define vmm s.Vmm
90#define vms s.Vms
91#define oldvmm s1.Vmm
92#define oldvms s1.Vms
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93#define total s.Total
94#define nchtotal s.nchstats
95#define oldnchtotal s1.nchstats
96
97static enum state { BOOT, TIME, RUN } state = TIME;
98
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99static void allocinfo(struct Info *);
100static void copyinfo(struct Info *, struct Info *);
101static float cputime(int);
102static void dinfo(int, int, struct statinfo *, struct statinfo *);
103static void getinfo(struct Info *, enum state);
104static void putint(int, int, int, int);
105static void putfloat(double, int, int, int, int, int);
106static void putlongdouble(long double, int, int, int, int, int);
107static int ucount(void);
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108
109static int ncpu;
110static int ut;
111static char buf[26];
112static time_t t;
113static double etime;
114static int nintr;
115static long *intrloc;
116static char **intrname;
117static int nextintsrow;
118static int extended_vm_stats;
119
120struct utmp utmp;
121
122
123WINDOW *
1d1731fa 124openkre(void)
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125{
126
127 ut = open(_PATH_UTMP, O_RDONLY);
128 if (ut < 0)
129 error("No utmp");
130 return (stdscr);
131}
132
133void
1d1731fa 134closekre(WINDOW *w)
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135{
136
137 (void) close(ut);
138 if (w == NULL)
139 return;
140 wclear(w);
141 wrefresh(w);
142}
143
144
145static struct nlist namelist[] = {
146#define X_CPTIME 0
147 { "_cp_time" },
393dfc63 148#define X_BUFFERSPACE 1
984263bc 149 { "_bufspace" },
393dfc63 150#define X_NCHSTATS 2
984263bc 151 { "_nchstats" },
393dfc63 152#define X_INTRNAMES 3
984263bc 153 { "_intrnames" },
393dfc63 154#define X_EINTRNAMES 4
984263bc 155 { "_eintrnames" },
393dfc63 156#define X_INTRCNT 5
984263bc 157 { "_intrcnt" },
393dfc63 158#define X_EINTRCNT 6
984263bc 159 { "_eintrcnt" },
393dfc63 160#define X_DESIREDVNODES 7
984263bc 161 { "_desiredvnodes" },
393dfc63 162#define X_NUMVNODES 8
984263bc 163 { "_numvnodes" },
393dfc63 164#define X_FREEVNODES 9
984263bc 165 { "_freevnodes" },
393dfc63 166#define X_NUMDIRTYBUFFERS 10
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167 { "_numdirtybuffers" },
168 { "" },
169};
170
171/*
172 * These constants define where the major pieces are laid out
173 */
174#define STATROW 0 /* uses 1 row and 68 cols */
175#define STATCOL 2
176#define MEMROW 2 /* uses 4 rows and 31 cols */
177#define MEMCOL 0
178#define PAGEROW 2 /* uses 4 rows and 26 cols */
179#define PAGECOL 46
180#define INTSROW 6 /* uses all rows to bottom and 17 cols */
181#define INTSCOL 61
182#define PROCSROW 7 /* uses 2 rows and 20 cols */
183#define PROCSCOL 0
184#define GENSTATROW 7 /* uses 2 rows and 30 cols */
185#define GENSTATCOL 20
186#define VMSTATROW 6 /* uses 17 rows and 12 cols */
187#define VMSTATCOL 48
188#define GRAPHROW 10 /* uses 3 rows and 51 cols */
189#define GRAPHCOL 0
190#define NAMEIROW 14 /* uses 3 rows and 38 cols */
191#define NAMEICOL 0
192#define DISKROW 18 /* uses 5 rows and 50 cols (for 9 drives) */
193#define DISKCOL 0
194
195#define DRIVESPACE 7 /* max # for space */
196
197#define MAXDRIVES DRIVESPACE /* max # to display */
198
199int
1d1731fa 200initkre(void)
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201{
202 char *intrnamebuf, *cp;
203 int i;
204
205 if (namelist[0].n_type == 0) {
206 if (kvm_nlist(kd, namelist)) {
207 nlisterr(namelist);
208 return(0);
209 }
210 if (namelist[0].n_type == 0) {
211 error("No namelist");
212 return(0);
213 }
214 }
215
216 if (num_devices = getnumdevs() < 0) {
217 warnx("%s", devstat_errbuf);
218 return(0);
219 }
220
221 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
222 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
223 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
224 bzero(cur.dinfo, sizeof(struct devinfo));
225 bzero(last.dinfo, sizeof(struct devinfo));
226 bzero(run.dinfo, sizeof(struct devinfo));
227
228 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
229 return(0);
230
231 if (nintr == 0) {
232 nintr = (namelist[X_EINTRCNT].n_value -
233 namelist[X_INTRCNT].n_value) / sizeof (long);
234 intrloc = calloc(nintr, sizeof (long));
235 intrname = calloc(nintr, sizeof (long));
236 intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value -
237 namelist[X_INTRNAMES].n_value);
238 if (intrnamebuf == 0 || intrname == 0 || intrloc == 0) {
239 error("Out of memory\n");
240 if (intrnamebuf)
241 free(intrnamebuf);
242 if (intrname)
243 free(intrname);
244 if (intrloc)
245 free(intrloc);
246 nintr = 0;
247 return(0);
248 }
249 NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) -
250 NVAL(X_INTRNAMES));
251 for (cp = intrnamebuf, i = 0; i < nintr; i++) {
252 intrname[i] = cp;
253 cp += strlen(cp) + 1;
254 }
255 nextintsrow = INTSROW + 2;
256 allocinfo(&s);
257 allocinfo(&s1);
258 allocinfo(&s2);
259 allocinfo(&z);
260 }
261 getinfo(&s2, RUN);
262 copyinfo(&s2, &s1);
263 return(1);
264}
265
266void
1d1731fa 267fetchkre(void)
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268{
269 time_t now;
270 struct tm *tp;
271 static int d_first = -1;
272
273 if (d_first < 0)
274 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
275
276 time(&now);
277 tp = localtime(&now);
278 (void) strftime(buf, sizeof(buf),
279 d_first ? "%e %b %R" : "%b %e %R", tp);
280 getinfo(&s, state);
281}
282
283void
1d1731fa 284labelkre(void)
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285{
286 register int i, j;
287
288 clear();
289 mvprintw(STATROW, STATCOL + 4, "users Load");
290 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
291 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
292 mvprintw(MEMROW + 2, MEMCOL, "Act");
293 mvprintw(MEMROW + 3, MEMCOL, "All");
294
295 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
296
297 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER ");
298 mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
299 mvprintw(PAGEROW + 2, PAGECOL, "count");
300 mvprintw(PAGEROW + 3, PAGECOL, "pages");
301
302 mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
303 mvprintw(INTSROW + 1, INTSCOL + 9, "total");
304
305 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow");
306 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire");
307 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act");
308 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact");
309 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache");
310 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free");
311 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr");
312 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr");
313 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react");
314 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake");
315 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs");
316 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn");
317 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf");
318 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf");
319
320 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes");
321 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes");
322 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes");
323
324 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
325
326 mvprintw(GRAPHROW, GRAPHCOL,
327 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
328 mvprintw(PROCSROW, PROCSCOL, "Proc:r p d s w");
329 mvprintw(GRAPHROW + 1, GRAPHCOL,
330 "| | | | | | | | | | |");
331
332 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
333 mvprintw(NAMEIROW + 1, NAMEICOL,
334 " Calls hits %% hits %%");
335 mvprintw(DISKROW, DISKCOL, "Disks");
336 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
337 mvprintw(DISKROW + 2, DISKCOL, "tps");
338 mvprintw(DISKROW + 3, DISKCOL, "MB/s");
339 mvprintw(DISKROW + 4, DISKCOL, "%% busy");
340 /*
341 * For now, we don't support a fourth disk statistic. So there's
342 * no point in providing a label for it. If someone can think of a
343 * fourth useful disk statistic, there is room to add it.
344 */
345 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
346 j = 0;
347 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
348 if (dev_select[i].selected) {
349 char tmpstr[80];
350 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
351 dev_select[i].unit_number);
352 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
353 " %5.5s", tmpstr);
354 j++;
355 }
356
357 if (j <= 4) {
358 /*
359 * room for extended VM stats
360 */
361 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod");
362 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ofod");
363 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z");
364 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree");
365 extended_vm_stats = 1;
366 } else {
367 extended_vm_stats = 0;
368 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod");
369 }
370
371 for (i = 0; i < nintr; i++) {
372 if (intrloc[i] == 0)
373 continue;
374 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]);
375 }
376}
377
378#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
379#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
380#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
381#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
382 if(state == TIME) s1.nchstats.fld = t;}
383#define PUTRATE(fld, l, c, w) \
384 Y(fld); \
385 putint((int)((float)s.fld/etime + 0.5), l, c, w)
386#define MAXFAIL 5
387
388static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
389static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
390 CP_IDLE };
391
392void
1d1731fa 393showkre(void)
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394{
395 float f1, f2;
396 int psiz, inttotal;
397 int i, l, c;
398 static int failcnt = 0;
399
400 etime = 0;
401 for(i = 0; i < CPUSTATES; i++) {
402 X(time);
403 Q(cp_time);
404 etime += s.time[i];
405 }
543eaf46 406 if (etime < 100000.0) { /* < 100ms ignore this trash */
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MD
407 if (failcnt++ >= MAXFAIL) {
408 clear();
409 mvprintw(2, 10, "The alternate system clock has died!");
410 mvprintw(3, 10, "Reverting to ``pigs'' display.");
411 move(CMDLINE, 0);
412 refresh();
413 failcnt = 0;
414 sleep(5);
415 command("pigs");
416 }
417 return;
418 }
419 failcnt = 0;
543eaf46 420 etime /= 1000000.0;
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421 etime /= ncpu;
422 inttotal = 0;
423 for (i = 0; i < nintr; i++) {
424 if (s.intrcnt[i] == 0)
425 continue;
426 if (intrloc[i] == 0) {
427 if (nextintsrow == LINES)
428 continue;
429 intrloc[i] = nextintsrow++;
430 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s",
431 intrname[i]);
432 }
433 X(intrcnt);
434 l = (int)((float)s.intrcnt[i]/etime + 0.5);
435 inttotal += l;
436 putint(l, intrloc[i], INTSCOL + 2, 6);
437 }
438 putint(inttotal, INTSROW + 1, INTSCOL + 2, 6);
439 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
440 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
441 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
442 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
443 if (state == TIME)
444 s1.nchcount = s.nchcount;
445
446 psiz = 0;
447 f2 = 0.0;
448 for (c = 0; c < CPUSTATES; c++) {
449 i = cpuorder[c];
450 f1 = cputime(i);
451 f2 += f1;
452 l = (int) ((f2 + 1.0) / 2.0) - psiz;
453 if (f1 > 99.9)
454 f1 = 99.9; /* no room to display 100.0 */
455 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c, 4, 1, 0);
456 move(GRAPHROW + 2, psiz);
457 psiz += l;
458 while (l-- > 0)
459 addch(cpuchar[c]);
460 }
461
462 putint(ucount(), STATROW, STATCOL, 3);
463 putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0);
464 putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0);
465 putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0);
466 mvaddstr(STATROW, STATCOL + 53, buf);
393dfc63 467#define pgtokb(pg) ((pg) * vms.v_page_size / 1024)
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468 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8);
469 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8);
470 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9);
471 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9);
472 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8);
473 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8);
474 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9);
475 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9);
476 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 37, 8);
477 putint(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3);
478 putint(total.t_pw, PROCSROW + 1, PROCSCOL + 6, 3);
479 putint(total.t_dw, PROCSROW + 1, PROCSCOL + 9, 3);
480 putint(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 3);
481 putint(total.t_sw, PROCSROW + 1, PROCSCOL + 15, 3);
482 if (extended_vm_stats == 0) {
393dfc63 483 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5);
984263bc 484 }
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485 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6);
486 putint(pgtokb(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9);
487 putint(pgtokb(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 9);
488 putint(pgtokb(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9);
489 putint(pgtokb(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9);
490 putint(pgtokb(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 9);
491 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 9);
492 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 9);
493 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9);
494 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9);
495 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9);
496 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 9);
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497
498 if (extended_vm_stats) {
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499 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9);
500 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9);
984263bc 501 putint(
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502 ((s.Vmm.v_ozfod < s.Vmm.v_zfod) ?
503 s.Vmm.v_ozfod * 100 / s.Vmm.v_zfod :
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504 0
505 ),
506 VMSTATROW + 13,
507 VMSTATCOL - 16,
508 9
509 );
393dfc63 510 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9);
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MD
511 }
512
513 putint(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9);
514 putint(s.numdirtybuffers, VMSTATROW + 14, VMSTATCOL, 9);
515 putint(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9);
516 putint(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9);
517 putint(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9);
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518 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5);
519 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5);
520 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 17, 5);
521 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 22, 5);
522 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5);
523 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5);
524 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5);
525 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5);
526 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL, 5);
527 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 5, 5);
528 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 5);
529 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 15, 5);
530 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 20, 5);
531 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 5);
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MD
532 mvprintw(DISKROW, DISKCOL + 5, " ");
533 for (i = 0, c = 0; i < num_devices && c < MAXDRIVES; i++)
534 if (dev_select[i].selected) {
535 char tmpstr[80];
536 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
537 dev_select[i].unit_number);
538 mvprintw(DISKROW, DISKCOL + 5 + 6 * c,
539 " %5.5s", tmpstr);
540 switch(state) {
541 case TIME:
542 dinfo(i, ++c, &cur, &last);
543 break;
544 case RUN:
545 dinfo(i, ++c, &cur, &run);
546 break;
547 case BOOT:
548 dinfo(i, ++c, &cur, NULL);
549 break;
550 }
551 }
552 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9);
553 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
554 NAMEIROW + 2, NAMEICOL + 9, 9);
555#define nz(x) ((x) ? (x) : 1)
556 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
557 100.0 / nz(s.nchcount),
558 NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1);
559 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9);
560 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
561 NAMEIROW + 2, NAMEICOL + 33, 4, 0, 1);
562#undef nz
563}
564
565int
1d1731fa 566cmdkre(char *cmd, char *args)
984263bc
MD
567{
568 int retval;
569
570 if (prefix(cmd, "run")) {
571 retval = 1;
572 copyinfo(&s2, &s1);
573 switch (getdevs(&run)) {
574 case -1:
575 errx(1, "%s", devstat_errbuf);
576 break;
577 case 1:
578 num_devices = run.dinfo->numdevs;
579 generation = run.dinfo->generation;
580 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
581 if (retval == 2)
582 labelkre();
583 break;
584 default:
585 break;
586 }
587 state = RUN;
588 return (retval);
589 }
590 if (prefix(cmd, "boot")) {
591 state = BOOT;
592 copyinfo(&z, &s1);
593 return (1);
594 }
595 if (prefix(cmd, "time")) {
596 state = TIME;
597 return (1);
598 }
599 if (prefix(cmd, "zero")) {
600 retval = 1;
601 if (state == RUN) {
602 getinfo(&s1, RUN);
603 switch (getdevs(&run)) {
604 case -1:
605 errx(1, "%s", devstat_errbuf);
606 break;
607 case 1:
608 num_devices = run.dinfo->numdevs;
609 generation = run.dinfo->generation;
610 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
611 if (retval == 2)
612 labelkre();
613 break;
614 default:
615 break;
616 }
617 }
618 return (retval);
619 }
620 retval = dscmd(cmd, args, MAXDRIVES, &cur);
621
622 if (retval == 2)
623 labelkre();
624
625 return(retval);
626}
627
628/* calculate number of users on the system */
629static int
1d1731fa 630ucount(void)
984263bc
MD
631{
632 register int nusers = 0;
633
634 if (ut < 0)
635 return (0);
636 while (read(ut, &utmp, sizeof(utmp)))
637 if (utmp.ut_name[0] != '\0')
638 nusers++;
639
640 lseek(ut, 0L, L_SET);
641 return (nusers);
642}
643
644static float
1d1731fa 645cputime(int indx)
984263bc
MD
646{
647 double t;
648 register int i;
649
650 t = 0;
651 for (i = 0; i < CPUSTATES; i++)
652 t += s.time[i];
653 if (t == 0.0)
654 t = 1.0;
655 return (s.time[indx] * 100.0 / t);
656}
657
658static void
1d1731fa 659putint(int n, int l, int c, int w)
984263bc
MD
660{
661 char b[128];
662
663 move(l, c);
664 if (n == 0) {
665 while (w-- > 0)
666 addch(' ');
667 return;
668 }
669 snprintf(b, sizeof(b), "%*d", w, n);
670 if (strlen(b) > w) {
671 while (w-- > 0)
672 addch('*');
673 return;
674 }
675 addstr(b);
676}
677
678static void
1d1731fa 679putfloat(double f, int l, int c, int w, int d, int nz)
984263bc
MD
680{
681 char b[128];
682
683 move(l, c);
684 if (nz && f == 0.0) {
685 while (--w >= 0)
686 addch(' ');
687 return;
688 }
689 snprintf(b, sizeof(b), "%*.*f", w, d, f);
690 if (strlen(b) > w)
691 snprintf(b, sizeof(b), "%*.0f", w, f);
692 if (strlen(b) > w) {
693 while (--w >= 0)
694 addch('*');
695 return;
696 }
697 addstr(b);
698}
699
700static void
1d1731fa 701putlongdouble(long double f, int l, int c, int w, int d, int nz)
984263bc
MD
702{
703 char b[128];
704
705 move(l, c);
706 if (nz && f == 0.0) {
707 while (--w >= 0)
708 addch(' ');
709 return;
710 }
711 sprintf(b, "%*.*Lf", w, d, f);
712 if (strlen(b) > w)
713 sprintf(b, "%*.0Lf", w, f);
714 if (strlen(b) > w) {
715 while (--w >= 0)
716 addch('*');
717 return;
718 }
719 addstr(b);
720}
721
722static void
1d1731fa 723getinfo(struct Info *s, enum state st)
984263bc
MD
724{
725 struct devinfo *tmp_dinfo;
726 size_t size;
727 int mib[2];
393dfc63
MD
728 int vms_size = sizeof(s->Vms);
729 int vmm_size = sizeof(s->Vmm);
730
731 if (sysctlbyname("vm.vmstats", &s->Vms, &vms_size, NULL, 0)) {
732 perror("sysctlbyname: vm.vmstats");
733 exit(1);
734 }
735 if (sysctlbyname("vm.vmmeter", &s->Vmm, &vmm_size, NULL, 0)) {
736 perror("sysctlbyname: vm.vmstats");
737 exit(1);
738 }
984263bc
MD
739
740 NREAD(X_CPTIME, s->time, sizeof s->time);
741 NREAD(X_CPTIME, cur.cp_time, sizeof(cur.cp_time));
984263bc
MD
742 NREAD(X_BUFFERSPACE, &s->bufspace, sizeof(s->bufspace));
743 NREAD(X_DESIREDVNODES, &s->desiredvnodes, sizeof(s->desiredvnodes));
744 NREAD(X_NUMVNODES, &s->numvnodes, LONG);
745 NREAD(X_FREEVNODES, &s->freevnodes, LONG);
746 NREAD(X_NCHSTATS, &s->nchstats, sizeof s->nchstats);
747 NREAD(X_INTRCNT, s->intrcnt, nintr * LONG);
748 NREAD(X_NUMDIRTYBUFFERS, &s->numdirtybuffers, sizeof(s->numdirtybuffers));
749 size = sizeof(s->Total);
393dfc63 750 if (sysctlbyname("vm.vmtotal", &s->Total, &size, NULL, 0) < 0) {
984263bc
MD
751 error("Can't get kernel info: %s\n", strerror(errno));
752 bzero(&s->Total, sizeof(s->Total));
753 }
754 size = sizeof(ncpu);
755 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0)
756 ncpu = 1;
757
758 tmp_dinfo = last.dinfo;
759 last.dinfo = cur.dinfo;
760 cur.dinfo = tmp_dinfo;
761
762 last.busy_time = cur.busy_time;
763 switch (getdevs(&cur)) {
764 case -1:
765 errx(1, "%s", devstat_errbuf);
766 break;
767 case 1:
768 num_devices = cur.dinfo->numdevs;
769 generation = cur.dinfo->generation;
770 cmdkre("refresh", NULL);
771 break;
772 default:
773 break;
774 }
775}
776
777static void
1d1731fa 778allocinfo(struct Info *s)
984263bc
MD
779{
780
781 s->intrcnt = (long *) calloc(nintr, sizeof(long));
782 if (s->intrcnt == NULL)
783 errx(2, "out of memory");
784}
785
786static void
1d1731fa 787copyinfo(register struct Info *from, register struct Info *to)
984263bc
MD
788{
789 long *intrcnt;
790
791 /*
792 * time, wds, seek, and xfer are malloc'd so we have to
793 * save the pointers before the structure copy and then
794 * copy by hand.
795 */
796 intrcnt = to->intrcnt;
797 *to = *from;
798
799 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
800}
801
802static void
1d1731fa 803dinfo(int dn, int c, struct statinfo *now, struct statinfo *then)
984263bc
MD
804{
805 long double transfers_per_second;
806 long double kb_per_transfer, mb_per_second;
807 long double elapsed_time, device_busy;
808 int di;
809
810 di = dev_select[dn].position;
811
812 elapsed_time = compute_etime(now->busy_time, then ?
813 then->busy_time :
814 now->dinfo->devices[di].dev_creation_time);
815
816 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ?
817 then->dinfo->devices[di].busy_time :
818 now->dinfo->devices[di].dev_creation_time);
819
820 if (compute_stats(&now->dinfo->devices[di], then ?
821 &then->dinfo->devices[di] : NULL, elapsed_time,
822 NULL, NULL, NULL,
823 &kb_per_transfer, &transfers_per_second,
824 &mb_per_second, NULL, NULL) != 0)
825 errx(1, "%s", devstat_errbuf);
826
827 if ((device_busy == 0) && (transfers_per_second > 5))
828 /* the device has been 100% busy, fake it because
829 * as long as the device is 100% busy the busy_time
830 * field in the devstat struct is not updated */
831 device_busy = elapsed_time;
832 if (device_busy > elapsed_time)
833 /* this normally happens after one or more periods
834 * where the device has been 100% busy, correct it */
835 device_busy = elapsed_time;
836
837 c = DISKCOL + c * 6;
838 putlongdouble(kb_per_transfer, DISKROW + 1, c, 5, 2, 0);
839 putlongdouble(transfers_per_second, DISKROW + 2, c, 5, 0, 0);
840 putlongdouble(mb_per_second, DISKROW + 3, c, 5, 2, 0);
841 putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, c, 5, 0, 0);
842}