kernel - Fix vmtotal sysctl
[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 $
cae49b89 35 * $DragonFly: src/usr.bin/systat/vmstat.c,v 1.12 2008/11/10 04:59:45 swildner Exp $
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36 */
37
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38/*
39 * Cursed vmstat -- from Robert Elz.
40 */
41
e0ecab34 42#include <sys/user.h>
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43#include <sys/param.h>
44#include <sys/stat.h>
45#include <sys/time.h>
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46#include <sys/uio.h>
47#include <sys/namei.h>
48#include <sys/sysctl.h>
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49#include <sys/vmmeter.h>
50
51#include <vm/vm_param.h>
52
53#include <ctype.h>
54#include <err.h>
55#include <errno.h>
f5d21610 56#include <kinfo.h>
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57#include <langinfo.h>
58#include <nlist.h>
59#include <paths.h>
60#include <signal.h>
f5d21610 61#include <stddef.h>
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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 {
f5d21610 73 struct kinfo_cputime cp_time;
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;
608ee7fb 79 long nchpathcount;
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80 long *intrcnt;
81 int bufspace;
82 int desiredvnodes;
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83 int numvnodes;
84 int freevnodes;
85 int dirtybufspace;
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86} s, s1, s2, z;
87
f5d21610 88struct kinfo_cputime cp_time, old_cp_time;
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89struct statinfo cur, last, run;
90
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91#define vmm s.Vmm
92#define vms s.Vms
93#define oldvmm s1.Vmm
94#define oldvms s1.Vms
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95#define total s.Total
96#define nchtotal s.nchstats
97#define oldnchtotal s1.nchstats
98
99static enum state { BOOT, TIME, RUN } state = TIME;
100
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101static void allocinfo(struct Info *);
102static void copyinfo(struct Info *, struct Info *);
1d1731fa 103static void dinfo(int, int, struct statinfo *, struct statinfo *);
cae49b89 104static void getinfo(struct Info *);
7b5a2bb5 105static void putlong(long, int, int, int, int);
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106static void putfloat(double, int, int, int, int, int);
107static void putlongdouble(long double, int, int, int, int, int);
608ee7fb 108static void putlongdoublez(long double, int, int, int, int, int);
1d1731fa 109static int ucount(void);
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110
111static int ncpu;
112static int ut;
113static char buf[26];
114static time_t t;
115static double etime;
116static int nintr;
117static long *intrloc;
118static char **intrname;
119static int nextintsrow;
120static int extended_vm_stats;
121
122struct utmp utmp;
123
124
125WINDOW *
1d1731fa 126openkre(void)
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127{
128
129 ut = open(_PATH_UTMP, O_RDONLY);
130 if (ut < 0)
131 error("No utmp");
132 return (stdscr);
133}
134
135void
1d1731fa 136closekre(WINDOW *w)
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137{
138
139 (void) close(ut);
140 if (w == NULL)
141 return;
142 wclear(w);
143 wrefresh(w);
144}
145
146
147static struct nlist namelist[] = {
f5d21610 148#define X_BUFFERSPACE 0
cae49b89 149 { .n_name = "_bufspace" },
f5d21610 150#define X_NCHSTATS 1
cae49b89 151 { .n_name = "_nchstats" },
ab99d388 152#define X_DESIREDVNODES 2
cae49b89 153 { .n_name = "_desiredvnodes" },
ab99d388 154#define X_NUMVNODES 3
cae49b89 155 { .n_name = "_numvnodes" },
ab99d388 156#define X_FREEVNODES 4
cae49b89 157 { .n_name = "_freevnodes" },
ab99d388 158#define X_NUMDIRTYBUFFERS 5
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159 { .n_name = "_dirtybufspace" },
160 { .n_name = "" },
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161};
162
163/*
164 * These constants define where the major pieces are laid out
165 */
166#define STATROW 0 /* uses 1 row and 68 cols */
167#define STATCOL 2
168#define MEMROW 2 /* uses 4 rows and 31 cols */
169#define MEMCOL 0
170#define PAGEROW 2 /* uses 4 rows and 26 cols */
171#define PAGECOL 46
172#define INTSROW 6 /* uses all rows to bottom and 17 cols */
173#define INTSCOL 61
174#define PROCSROW 7 /* uses 2 rows and 20 cols */
175#define PROCSCOL 0
176#define GENSTATROW 7 /* uses 2 rows and 30 cols */
bd8847bb 177#define GENSTATCOL 16
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178#define VMSTATROW 6 /* uses 17 rows and 12 cols */
179#define VMSTATCOL 48
180#define GRAPHROW 10 /* uses 3 rows and 51 cols */
181#define GRAPHCOL 0
182#define NAMEIROW 14 /* uses 3 rows and 38 cols */
183#define NAMEICOL 0
608ee7fb 184#define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */
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185#define DISKCOL 0
186
187#define DRIVESPACE 7 /* max # for space */
188
189#define MAXDRIVES DRIVESPACE /* max # to display */
190
191int
1d1731fa 192initkre(void)
984263bc 193{
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194 char *intrnamebuf;
195 size_t bytes;
196 size_t b;
197 size_t i;
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198
199 if (namelist[0].n_type == 0) {
200 if (kvm_nlist(kd, namelist)) {
201 nlisterr(namelist);
202 return(0);
203 }
204 if (namelist[0].n_type == 0) {
205 error("No namelist");
206 return(0);
207 }
208 }
209
24e51f36 210 if ((num_devices = getnumdevs()) < 0) {
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211 warnx("%s", devstat_errbuf);
212 return(0);
213 }
214
215 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
216 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
217 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
218 bzero(cur.dinfo, sizeof(struct devinfo));
219 bzero(last.dinfo, sizeof(struct devinfo));
220 bzero(run.dinfo, sizeof(struct devinfo));
221
222 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
223 return(0);
224
225 if (nintr == 0) {
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226 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) {
227 intrnamebuf = malloc(bytes);
8fd3b9f6 228 sysctlbyname("hw.intrnames", intrnamebuf, &bytes,
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229 NULL, 0);
230 for (i = 0; i < bytes; ++i) {
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231 if (intrnamebuf[i] == 0)
232 ++nintr;
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233 }
234 intrname = malloc(nintr * sizeof(char *));
235 intrloc = malloc(nintr * sizeof(*intrloc));
984263bc 236 nintr = 0;
ab99d388 237 for (b = i = 0; i < bytes; ++i) {
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238 if (intrnamebuf[i] == 0) {
239 intrname[nintr] = intrnamebuf + b;
240 intrloc[nintr] = 0;
241 b = i + 1;
242 ++nintr;
243 }
ab99d388 244 }
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245 }
246 nextintsrow = INTSROW + 2;
247 allocinfo(&s);
248 allocinfo(&s1);
249 allocinfo(&s2);
250 allocinfo(&z);
251 }
cae49b89 252 getinfo(&s2);
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253 copyinfo(&s2, &s1);
254 return(1);
255}
256
257void
1d1731fa 258fetchkre(void)
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259{
260 time_t now;
261 struct tm *tp;
262 static int d_first = -1;
263
264 if (d_first < 0)
265 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
266
267 time(&now);
268 tp = localtime(&now);
269 (void) strftime(buf, sizeof(buf),
270 d_first ? "%e %b %R" : "%b %e %R", tp);
cae49b89 271 getinfo(&s);
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272}
273
274void
1d1731fa 275labelkre(void)
984263bc 276{
815943a9 277 int i, j;
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278
279 clear();
280 mvprintw(STATROW, STATCOL + 4, "users Load");
2dc243c1 281 mvprintw(MEMROW, MEMCOL, "Mem:MB REAL VIRTUAL");
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282 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
283 mvprintw(MEMROW + 2, MEMCOL, "Act");
284 mvprintw(MEMROW + 3, MEMCOL, "All");
285
286 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
287
288 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER ");
289 mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
290 mvprintw(PAGEROW + 2, PAGECOL, "count");
291 mvprintw(PAGEROW + 3, PAGECOL, "pages");
292
293 mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
294 mvprintw(INTSROW + 1, INTSCOL + 9, "total");
295
296 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow");
297 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire");
298 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act");
299 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact");
300 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache");
301 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free");
302 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr");
303 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr");
304 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react");
305 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake");
306 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs");
307 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn");
308 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf");
309 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf");
310
311 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes");
312 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes");
313 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes");
314
bd8847bb 315 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
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316
317 mvprintw(GRAPHROW, GRAPHCOL,
318 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
bd8847bb 319 mvprintw(PROCSROW, PROCSCOL, " r p d s w");
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320 mvprintw(GRAPHROW + 1, GRAPHCOL,
321 "| | | | | | | | | | |");
322
608ee7fb 323 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components");
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324 mvprintw(DISKROW, DISKCOL, "Disks");
325 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
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326 mvprintw(DISKROW + 2, DISKCOL, "tpr/s");
327 mvprintw(DISKROW + 3, DISKCOL, "MBr/s");
328 mvprintw(DISKROW + 4, DISKCOL, "tpw/s");
329 mvprintw(DISKROW + 5, DISKCOL, "MBw/s");
608ee7fb 330 mvprintw(DISKROW + 6, DISKCOL, "%% busy");
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331 /*
332 * For now, we don't support a fourth disk statistic. So there's
333 * no point in providing a label for it. If someone can think of a
334 * fourth useful disk statistic, there is room to add it.
335 */
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336 j = 0;
337 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
338 if (dev_select[i].selected) {
339 char tmpstr[80];
340 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
341 dev_select[i].unit_number);
342 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
343 " %5.5s", tmpstr);
344 j++;
345 }
346
347 if (j <= 4) {
348 /*
349 * room for extended VM stats
350 */
351 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod");
8fd3b9f6 352 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod");
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353 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z");
354 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree");
355 extended_vm_stats = 1;
356 } else {
357 extended_vm_stats = 0;
358 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod");
359 }
360
361 for (i = 0; i < nintr; i++) {
362 if (intrloc[i] == 0)
363 continue;
364 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]);
365 }
366}
367
f5d21610 368#define CP_UPDATE(fld) do { \
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369 uint64_t lt; \
370 lt=s.fld; \
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371 s.fld-=s1.fld; \
372 if(state==TIME) \
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373 s1.fld=lt; \
374 lt=fld; \
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375 fld-=old_##fld; \
376 if(state==TIME) \
cae49b89 377 old_##fld=lt; \
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378 etime += s.fld; \
379} while(0)
984263bc 380#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
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381#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
382#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
383 if(state == TIME) s1.nchstats.fld = t;}
384#define PUTRATE(fld, l, c, w) \
385 Y(fld); \
7b5a2bb5 386 putlong((long)((float)s.fld/etime + 0.5), l, c, w, 'D')
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387#define MAXFAIL 5
388
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389#define CPUSTATES 5
390static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' };
391
392static const size_t cpuoffsets[] = {
393 offsetof(struct kinfo_cputime, cp_sys),
394 offsetof(struct kinfo_cputime, cp_intr),
395 offsetof(struct kinfo_cputime, cp_user),
396 offsetof(struct kinfo_cputime, cp_nice),
397 offsetof(struct kinfo_cputime, cp_idle)
398};
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399
400void
1d1731fa 401showkre(void)
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402{
403 float f1, f2;
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404 int psiz;
405 int i, lc;
406 long inttotal;
407 long l;
984263bc 408 static int failcnt = 0;
f5d21610 409 double total_time;
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410
411 etime = 0;
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412 CP_UPDATE(cp_time.cp_user);
413 CP_UPDATE(cp_time.cp_nice);
414 CP_UPDATE(cp_time.cp_sys);
415 CP_UPDATE(cp_time.cp_intr);
416 CP_UPDATE(cp_time.cp_idle);
417
418 total_time = etime;
419 if (total_time == 0.0)
420 total_time = 1.0;
421
543eaf46 422 if (etime < 100000.0) { /* < 100ms ignore this trash */
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423 if (failcnt++ >= MAXFAIL) {
424 clear();
425 mvprintw(2, 10, "The alternate system clock has died!");
426 mvprintw(3, 10, "Reverting to ``pigs'' display.");
427 move(CMDLINE, 0);
428 refresh();
429 failcnt = 0;
430 sleep(5);
431 command("pigs");
432 }
433 return;
434 }
435 failcnt = 0;
543eaf46 436 etime /= 1000000.0;
984263bc 437 etime /= ncpu;
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438 if (etime == 0)
439 etime = 1;
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440 inttotal = 0;
441 for (i = 0; i < nintr; i++) {
442 if (s.intrcnt[i] == 0)
443 continue;
444 if (intrloc[i] == 0) {
445 if (nextintsrow == LINES)
446 continue;
447 intrloc[i] = nextintsrow++;
448 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s",
449 intrname[i]);
450 }
451 X(intrcnt);
7b5a2bb5 452 l = (long)((float)s.intrcnt[i]/etime + 0.5);
984263bc 453 inttotal += l;
7b5a2bb5 454 putlong(l, intrloc[i], INTSCOL + 2, 6, 'D');
984263bc 455 }
7b5a2bb5 456 putlong(inttotal, INTSROW + 1, INTSCOL + 2, 6, 'D');
984263bc 457 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
608ee7fb 458 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits);
984263bc 459 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
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460 nchtotal.ncs_miss + nchtotal.ncs_neghits;
461 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss;
462 if (state == TIME) {
984263bc 463 s1.nchcount = s.nchcount;
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464 s1.nchpathcount = s.nchpathcount;
465 }
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466
467 psiz = 0;
468 f2 = 0.0;
cae49b89 469 for (lc = 0; lc < CPUSTATES; lc++) {
f5d21610 470 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) +
cae49b89 471 cpuoffsets[lc]);
f5d21610 472 f1 = 100.0 * val / total_time;
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473 f2 += f1;
474 l = (int) ((f2 + 1.0) / 2.0) - psiz;
475 if (f1 > 99.9)
476 f1 = 99.9; /* no room to display 100.0 */
cae49b89 477 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
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478 move(GRAPHROW + 2, psiz);
479 psiz += l;
480 while (l-- > 0)
cae49b89 481 addch(cpuchar[lc]);
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482 }
483
7b5a2bb5 484 putlong(ucount(), STATROW, STATCOL, 3, 'D');
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485 putfloat(avenrun[0], STATROW, STATCOL + 18, 6, 2, 0);
486 putfloat(avenrun[1], STATROW, STATCOL + 25, 6, 2, 0);
487 putfloat(avenrun[2], STATROW, STATCOL + 32, 6, 2, 0);
984263bc 488 mvaddstr(STATROW, STATCOL + 53, buf);
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489#define pgtokb(pg) (long)((intmax_t)(pg) * vms.v_page_size / 1024)
490#define pgtomb(pg) (long)((intmax_t)(pg) * vms.v_page_size / (1024 * 1024))
491 putlong(pgtomb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8, 'M');
492 putlong(pgtomb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8, 'M');
493 putlong(pgtomb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9, 'M');
494 putlong(pgtomb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9, 'M');
495 putlong(pgtomb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8, 'M');
496 putlong(pgtomb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8, 'M');
497 putlong(pgtomb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9, 'M');
498 putlong(pgtomb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9, 'M');
499 putlong(pgtomb(total.t_free), MEMROW + 2, MEMCOL + 37, 8, 'M');
500 putlong(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 3, 'D');
501 putlong(total.t_pw, PROCSROW + 1, PROCSCOL + 3, 3, 'D');
502 putlong(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3, 'D');
503 putlong(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3, 'D');
504 putlong(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D');
984263bc 505 if (extended_vm_stats == 0) {
393dfc63 506 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5);
984263bc 507 }
393dfc63 508 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6);
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MD
509 putlong(pgtokb(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9, 'K');
510 putlong(pgtokb(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 9, 'K');
511 putlong(pgtokb(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9, 'K');
512 putlong(pgtokb(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9, 'K');
513 putlong(pgtokb(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 9, 'K');
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514 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 9);
515 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 9);
516 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9);
517 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9);
518 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9);
519 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 9);
984263bc
MD
520
521 if (extended_vm_stats) {
8fd3b9f6
TN
522 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9);
523 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9);
524#define nz(x) ((x) ? (x) : 1)
7b5a2bb5 525 putlong((s.Vmm.v_zfod - s.Vmm.v_ozfod) * 100 / nz(s.Vmm.v_zfod),
8fd3b9f6
TN
526 VMSTATROW + 13, VMSTATCOL - 16, 9, 'D');
527#undef nz
528 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9);
984263bc
MD
529 }
530
7b5a2bb5
MD
531 putlong(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9, 'K');
532 putlong(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 9, 'K');
533 putlong(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9, 'D');
534 putlong(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9, 'D');
535 putlong(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9, 'D');
393dfc63
MD
536 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 5, 5);
537 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 10, 5);
538 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 17, 5);
539 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 22, 5);
540 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 5, 5);
541 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 10, 5);
542 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 17, 5);
543 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 22, 5);
544 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL, 5);
bd8847bb
MD
545 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 5);
546 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 12, 5);
547 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 18, 5);
548 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 23, 5);
549 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 29, 5);
984263bc 550 mvprintw(DISKROW, DISKCOL + 5, " ");
cae49b89 551 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
984263bc
MD
552 if (dev_select[i].selected) {
553 char tmpstr[80];
554 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
555 dev_select[i].unit_number);
cae49b89 556 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc,
984263bc
MD
557 " %5.5s", tmpstr);
558 switch(state) {
559 case TIME:
cae49b89 560 dinfo(i, ++lc, &cur, &last);
984263bc
MD
561 break;
562 case RUN:
cae49b89 563 dinfo(i, ++lc, &cur, &run);
984263bc
MD
564 break;
565 case BOOT:
cae49b89 566 dinfo(i, ++lc, &cur, NULL);
984263bc
MD
567 break;
568 }
569 }
984263bc 570#define nz(x) ((x) ? (x) : 1)
7b5a2bb5 571 putlong(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 3, 9, 'D');
608ee7fb 572
7b5a2bb5 573 putlong(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 12, 7, 'D');
608ee7fb 574 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount),
8fd3b9f6 575 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0);
608ee7fb
MD
576
577 putfloat((double)s.nchcount / nz(s.nchpathcount),
8fd3b9f6 578 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1);
984263bc
MD
579#undef nz
580}
581
582int
cae49b89 583cmdkre(const char *cmd, char *args)
984263bc
MD
584{
585 int retval;
586
587 if (prefix(cmd, "run")) {
588 retval = 1;
589 copyinfo(&s2, &s1);
590 switch (getdevs(&run)) {
591 case -1:
592 errx(1, "%s", devstat_errbuf);
593 break;
594 case 1:
595 num_devices = run.dinfo->numdevs;
596 generation = run.dinfo->generation;
597 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
598 if (retval == 2)
599 labelkre();
600 break;
601 default:
602 break;
603 }
604 state = RUN;
605 return (retval);
606 }
607 if (prefix(cmd, "boot")) {
608 state = BOOT;
609 copyinfo(&z, &s1);
610 return (1);
611 }
612 if (prefix(cmd, "time")) {
613 state = TIME;
614 return (1);
615 }
616 if (prefix(cmd, "zero")) {
617 retval = 1;
618 if (state == RUN) {
cae49b89 619 getinfo(&s1);
984263bc
MD
620 switch (getdevs(&run)) {
621 case -1:
622 errx(1, "%s", devstat_errbuf);
623 break;
624 case 1:
625 num_devices = run.dinfo->numdevs;
626 generation = run.dinfo->generation;
627 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
628 if (retval == 2)
629 labelkre();
630 break;
631 default:
632 break;
633 }
634 }
635 return (retval);
636 }
637 retval = dscmd(cmd, args, MAXDRIVES, &cur);
638
639 if (retval == 2)
640 labelkre();
641
642 return(retval);
643}
644
645/* calculate number of users on the system */
646static int
1d1731fa 647ucount(void)
984263bc 648{
815943a9 649 int nusers = 0;
984263bc
MD
650
651 if (ut < 0)
652 return (0);
653 while (read(ut, &utmp, sizeof(utmp)))
654 if (utmp.ut_name[0] != '\0')
655 nusers++;
656
657 lseek(ut, 0L, L_SET);
658 return (nusers);
659}
660
984263bc 661static void
7b5a2bb5 662putlong(long n, int l, int lc, int w, int type)
984263bc
MD
663{
664 char b[128];
e63b851b 665 int xtype;
984263bc 666
cae49b89 667 move(l, lc);
984263bc
MD
668 if (n == 0) {
669 while (w-- > 0)
670 addch(' ');
671 return;
672 }
7b5a2bb5 673 snprintf(b, sizeof(b), "%*ld", w, n);
cae49b89 674 if (strlen(b) > (size_t)w) {
e63b851b
MD
675 if (type == 'D') {
676 n /= 1000;
677 xtype = 'K';
678 } else {
679 n /= 1024;
680 xtype = 'M';
681 }
7b5a2bb5 682 snprintf(b, sizeof(b), "%*ld%c", w - 1, n, xtype);
e63b851b
MD
683 if (strlen(b) > (size_t)w) {
684 if (type == 'D') {
685 n /= 1000;
686 xtype = 'M';
687 } else {
688 n /= 1024;
689 xtype = 'G';
690 }
7b5a2bb5 691 snprintf(b, sizeof(b), "%*ld%c", w - 1, n, xtype);
e63b851b
MD
692 if (strlen(b) > (size_t)w) {
693 while (w-- > 0)
694 addch('*');
695 return;
696 }
697 }
984263bc
MD
698 }
699 addstr(b);
700}
701
702static void
cae49b89 703putfloat(double f, int l, int lc, int w, int d, int nz)
984263bc
MD
704{
705 char b[128];
706
cae49b89 707 move(l, lc);
984263bc
MD
708 if (nz && f == 0.0) {
709 while (--w >= 0)
710 addch(' ');
711 return;
712 }
713 snprintf(b, sizeof(b), "%*.*f", w, d, f);
cae49b89 714 if (strlen(b) > (size_t)w)
984263bc 715 snprintf(b, sizeof(b), "%*.0f", w, f);
cae49b89 716 if (strlen(b) > (size_t)w) {
984263bc
MD
717 while (--w >= 0)
718 addch('*');
719 return;
720 }
721 addstr(b);
722}
723
724static void
cae49b89 725putlongdouble(long double f, int l, int lc, int w, int d, int nz)
984263bc
MD
726{
727 char b[128];
728
cae49b89 729 move(l, lc);
984263bc
MD
730 if (nz && f == 0.0) {
731 while (--w >= 0)
732 addch(' ');
733 return;
734 }
735 sprintf(b, "%*.*Lf", w, d, f);
cae49b89 736 if (strlen(b) > (size_t)w)
984263bc 737 sprintf(b, "%*.0Lf", w, f);
cae49b89 738 if (strlen(b) > (size_t)w) {
984263bc
MD
739 while (--w >= 0)
740 addch('*');
741 return;
742 }
743 addstr(b);
744}
745
746static void
608ee7fb
MD
747putlongdoublez(long double f, int l, int lc, int w, int d, int nz)
748{
749 char b[128];
750
751 if (f == 0.0) {
752 move(l, lc);
753 sprintf(b, "%*.*s", w, w, "");
754 addstr(b);
755 } else {
756 putlongdouble(f, l, lc, w, d, nz);
757 }
758}
759
760static void
cae49b89 761getinfo(struct Info *ls)
984263bc
MD
762{
763 struct devinfo *tmp_dinfo;
24e51f36 764 struct nchstats *nch_tmp;
984263bc 765 size_t size;
cae49b89
SW
766 size_t vms_size = sizeof(ls->Vms);
767 size_t vmm_size = sizeof(ls->Vmm);
768 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU;
393dfc63 769
cae49b89 770 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) {
393dfc63
MD
771 perror("sysctlbyname: vm.vmstats");
772 exit(1);
773 }
cae49b89 774 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) {
393dfc63
MD
775 perror("sysctlbyname: vm.vmstats");
776 exit(1);
777 }
984263bc 778
cae49b89 779 if (kinfo_get_sched_cputime(&ls->cp_time))
f5d21610
JS
780 err(1, "kinfo_get_sched_cputime");
781 if (kinfo_get_sched_cputime(&cp_time))
782 err(1, "kinfo_get_sched_cputime");
cae49b89
SW
783 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace));
784 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes));
2293e18c
MD
785 NREAD(X_NUMVNODES, &ls->numvnodes, sizeof(ls->numvnodes));
786 NREAD(X_FREEVNODES, &ls->freevnodes, sizeof(ls->freevnodes));
cae49b89 787 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace));
ab99d388
MD
788
789 if (nintr) {
cae49b89
SW
790 size = nintr * sizeof(ls->intrcnt[0]);
791 sysctlbyname("hw.intrcnt", ls->intrcnt, &size, NULL, 0);
ab99d388 792 }
cae49b89
SW
793 size = sizeof(ls->Total);
794 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) {
984263bc 795 error("Can't get kernel info: %s\n", strerror(errno));
cae49b89 796 bzero(&ls->Total, sizeof(ls->Total));
984263bc 797 }
8fd3b9f6 798
24e51f36
HP
799 if ((nch_tmp = malloc(nch_size)) == NULL) {
800 perror("malloc");
801 exit(1);
802 } else {
803 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) {
804 perror("sysctlbyname vfs.cache.nchstats");
805 free(nch_tmp);
806 exit(1);
807 } else {
808 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) {
809 perror("realloc");
810 exit(1);
811 }
812 }
813 }
814
f5d21610
JS
815 if (kinfo_get_cpus(&ncpu))
816 err(1, "kinfo_get_cpus");
cae49b89 817 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu);
24e51f36 818 free(nch_tmp);
984263bc
MD
819
820 tmp_dinfo = last.dinfo;
821 last.dinfo = cur.dinfo;
822 cur.dinfo = tmp_dinfo;
823
824 last.busy_time = cur.busy_time;
825 switch (getdevs(&cur)) {
826 case -1:
827 errx(1, "%s", devstat_errbuf);
828 break;
829 case 1:
830 num_devices = cur.dinfo->numdevs;
831 generation = cur.dinfo->generation;
832 cmdkre("refresh", NULL);
833 break;
834 default:
835 break;
836 }
837}
838
839static void
cae49b89 840allocinfo(struct Info *ls)
984263bc 841{
cae49b89
SW
842 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
843 if (ls->intrcnt == NULL)
984263bc
MD
844 errx(2, "out of memory");
845}
846
847static void
815943a9 848copyinfo(struct Info *from, struct Info *to)
984263bc
MD
849{
850 long *intrcnt;
851
852 /*
853 * time, wds, seek, and xfer are malloc'd so we have to
854 * save the pointers before the structure copy and then
855 * copy by hand.
856 */
857 intrcnt = to->intrcnt;
858 *to = *from;
859
860 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
861}
862
863static void
cae49b89 864dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
984263bc 865{
608ee7fb
MD
866 long double kb_per_transfer;
867 long double transfers_per_secondr;
868 long double transfers_per_secondw;
869 long double mb_per_secondr;
870 long double mb_per_secondw;
984263bc
MD
871 long double elapsed_time, device_busy;
872 int di;
873
874 di = dev_select[dn].position;
875
876 elapsed_time = compute_etime(now->busy_time, then ?
877 then->busy_time :
878 now->dinfo->devices[di].dev_creation_time);
879
880 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ?
881 then->dinfo->devices[di].busy_time :
882 now->dinfo->devices[di].dev_creation_time);
883
608ee7fb
MD
884 if (compute_stats(
885 &now->dinfo->devices[di],
886 (then ? &then->dinfo->devices[di] : NULL),
887 elapsed_time,
984263bc 888 NULL, NULL, NULL,
608ee7fb
MD
889 &kb_per_transfer,
890 NULL,
891 NULL,
892 NULL, NULL) != 0)
984263bc
MD
893 errx(1, "%s", devstat_errbuf);
894
608ee7fb
MD
895 if (compute_stats_read(
896 &now->dinfo->devices[di],
897 (then ? &then->dinfo->devices[di] : NULL),
898 elapsed_time,
899 NULL, NULL, NULL,
900 NULL,
901 &transfers_per_secondr,
902 &mb_per_secondr,
903 NULL, NULL) != 0)
904 errx(1, "%s", devstat_errbuf);
905
906 if (compute_stats_write(
907 &now->dinfo->devices[di],
908 (then ? &then->dinfo->devices[di] : NULL),
909 elapsed_time,
910 NULL, NULL, NULL,
911 NULL,
912 &transfers_per_secondw,
913 &mb_per_secondw,
914 NULL, NULL) != 0)
915 errx(1, "%s", devstat_errbuf);
916
917 if ((device_busy == 0) &&
918 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) {
984263bc
MD
919 /* the device has been 100% busy, fake it because
920 * as long as the device is 100% busy the busy_time
921 * field in the devstat struct is not updated */
922 device_busy = elapsed_time;
608ee7fb
MD
923 }
924 if (device_busy > elapsed_time) {
984263bc
MD
925 /* this normally happens after one or more periods
926 * where the device has been 100% busy, correct it */
927 device_busy = elapsed_time;
608ee7fb 928 }
984263bc 929
cae49b89 930 lc = DISKCOL + lc * 6;
608ee7fb
MD
931 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
932 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0);
933 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0);
934 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0);
935 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0);
936 putlongdouble(device_busy * 100 / elapsed_time,
937 DISKROW + 6, lc, 5, 0, 0);
984263bc 938}