systat - Fix '?' suffix case for dirtybufspace reporting
[dragonfly.git] / usr.bin / systat / vmstat.c
blobb2ff0848be5a3f463fb8b11100c465de8257f84b
1 /*-
2 * Copyright (c) 1983, 1989, 1992, 1993
3 * The Regents of the University of California. All rights reserved.
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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
31 * Cursed vmstat -- from Robert Elz.
34 #include <sys/user.h>
35 #include <sys/param.h>
36 #include <sys/stat.h>
37 #include <sys/time.h>
38 #include <sys/uio.h>
39 #include <sys/namei.h>
40 #include <sys/sysctl.h>
41 #include <sys/vmmeter.h>
43 #include <vm/vm_param.h>
45 #include <ctype.h>
46 #include <err.h>
47 #include <errno.h>
48 #include <kinfo.h>
49 #include <langinfo.h>
50 #include <nlist.h>
51 #include <paths.h>
52 #include <signal.h>
53 #include <stddef.h>
54 #include <stdlib.h>
55 #include <string.h>
56 #include <time.h>
57 #include <unistd.h>
58 #include "utmpentry.h"
59 #include <devstat.h>
60 #include "systat.h"
61 #include "extern.h"
62 #include "devs.h"
64 #define NKVMSW 16
66 static struct Info {
67 struct kinfo_cputime cp_time;
68 struct vmmeter Vmm;
69 struct vmtotal Total;
70 struct vmstats Vms;
71 struct nchstats nchstats;
72 long nchcount;
73 long nchpathcount;
74 long *intrcnt;
75 long bufspace;
76 int maxvnodes;
77 int cachedvnodes;
78 int inactivevnodes;
79 int activevnodes;
80 long dirtybufspace;
81 long physmem;
82 struct kvm_swap kvmsw[NKVMSW];
83 } s, s1, s2, z;
85 struct kinfo_cputime cp_time, old_cp_time;
86 struct statinfo cur, last, run;
87 static int kvnsw;
89 #define vmm s.Vmm
90 #define vms s.Vms
91 #define oldvmm s1.Vmm
92 #define oldvms s1.Vms
93 #define total s.Total
94 #define nchtotal s.nchstats
95 #define oldnchtotal s1.nchstats
97 static enum state { BOOT, TIME, RUN } state = TIME;
99 static void allocinfo(struct Info *);
100 static void copyinfo(struct Info *, struct Info *);
101 static void dinfo(int, int, struct statinfo *, struct statinfo *);
102 static void getinfo(struct Info *);
103 static void put64(int64_t, int, int, int, int);
104 static void putfloat(double, int, int, int, int, int);
105 static void putlongdouble(long double, int, int, int, int, int);
106 static void putlongdoublez(long double, int, int, int, int, int);
107 static int ucount(void);
109 static int ncpu;
110 static char buf[26];
111 static time_t t;
112 static double etime;
113 static int nintr;
114 static int *intralias;
115 static int *intrsmp;
116 static long *intrloc;
117 static long *lacc;
118 static char **intrname;
119 static int nextintsrow;
120 static int extended_vm_stats;
124 WINDOW *
125 openkre(void)
128 return (stdscr);
131 void
132 closekre(WINDOW *w)
135 if (w == NULL)
136 return;
137 wclear(w);
138 wrefresh(w);
142 static struct nlist namelist[] = {
143 #define X_BUFFERSPACE 0
144 { .n_name = "_bufspace" },
145 #define X_NCHSTATS 1
146 { .n_name = "_nchstats" },
147 #define X_DESIREDVNODES 2
148 { .n_name = "_maxvnodes" },
149 #define X_CACHEDVNODES 3
150 { .n_name = "_cachedvnodes" },
151 #define X_INACTIVEVNODES 4
152 { .n_name = "_inactivevnodes" },
153 #define X_ACTIVEVNODES 5
154 { .n_name = "_activevnodes" },
155 #define X_NUMDIRTYBUFFERS 6
156 { .n_name = "_dirtybufspace" },
157 { .n_name = "" },
161 * These constants define where the major pieces are laid out
163 #define STATROW 0 /* uses 1 row and 68 cols */
164 #define STATCOL 2
165 #define MEMROW 2 /* uses 4 rows and 31 cols */
166 #define MEMCOLA 0
167 #define MEMCOLB 20
168 #define PAGEROW 2 /* uses 4 rows and 26 cols */
169 #define PAGECOL 45
170 #define INTSROW 6 /* uses all rows to bottom and 17 cols */
171 #define INTSCOL 61
172 #define PROCSROW 7 /* uses 2 rows and 20 cols */
173 #define PROCSCOL 0
174 #define GENSTATROW 7 /* uses 2 rows and 30 cols */
175 #define GENSTATCOL 16
176 #define VMSTATROW 6 /* uses 17 rows and 12 cols */
177 #define VMSTATCOL 50
178 #define GRAPHROW 10 /* uses 3 rows and 51 cols */
179 #define GRAPHCOL 0
180 #define NAMEIROW 14 /* uses 3 rows and 38 cols */
181 #define NAMEICOL 0
182 #define EXECROW 14 /* uses 2 rows and 5 cols */
183 #define EXECCOL 38
184 #define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */
185 #define DISKCOL 0
187 #define DRIVESPACE 7 /* max # for space */
189 #define MAXDRIVES DRIVESPACE /* max # to display */
191 static
193 findintralias(const char *name, int limit)
195 int i;
196 size_t nlen;
197 size_t ilen;
199 nlen = strlen(name);
200 for (i = 0; i < limit; ++i) {
201 if (strcmp(name, intrname[i]) == 0)
202 break;
203 ilen = strlen(intrname[i]);
204 if (nlen == ilen &&
205 nlen > 1 &&
206 strncmp(name, intrname[i], nlen - 1) == 0 &&
207 strchr(name, ' ') &&
208 isdigit(name[nlen - 1]) &&
209 (isdigit(intrname[i][nlen - 1]) ||
210 intrname[i][nlen - 1] == '*')) {
211 intrname[i][nlen - 1] = '*';
212 break;
215 return i;
219 initkre(void)
221 char *intrnamebuf;
222 size_t bytes;
223 size_t b;
224 size_t i;
226 if (namelist[0].n_type == 0) {
227 if (kvm_nlist(kd, namelist)) {
228 nlisterr(namelist);
229 return(0);
231 if (namelist[0].n_type == 0) {
232 error("No namelist");
233 return(0);
237 if ((num_devices = getnumdevs()) < 0) {
238 warnx("%s", devstat_errbuf);
239 return(0);
242 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
243 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
244 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
245 bzero(cur.dinfo, sizeof(struct devinfo));
246 bzero(last.dinfo, sizeof(struct devinfo));
247 bzero(run.dinfo, sizeof(struct devinfo));
249 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
250 return(0);
252 if (nintr == 0) {
253 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) {
254 intrnamebuf = malloc(bytes);
255 sysctlbyname("hw.intrnames", intrnamebuf, &bytes,
256 NULL, 0);
257 for (i = 0; i < bytes; ++i) {
258 if (intrnamebuf[i] == 0)
259 ++nintr;
261 intrname = malloc(nintr * sizeof(char *));
262 intrloc = malloc(nintr * sizeof(*intrloc));
263 lacc = malloc(nintr * sizeof(*lacc));
264 intralias = malloc(nintr * sizeof(*intralias));
265 intrsmp = malloc(nintr * sizeof(*intrsmp));
266 bzero(intrsmp, nintr * sizeof(*intrsmp));
268 nintr = 0;
269 for (b = i = 0; i < bytes; ++i) {
270 if (intrnamebuf[i] == 0) {
271 intrname[nintr] = intrnamebuf + b;
272 intrloc[nintr] = 0;
273 intralias[nintr] =
274 findintralias(intrname[nintr], nintr);
275 ++intrsmp[intralias[nintr]];
276 b = i + 1;
277 ++nintr;
281 nextintsrow = INTSROW + 2;
282 allocinfo(&s);
283 allocinfo(&s1);
284 allocinfo(&s2);
285 allocinfo(&z);
287 getinfo(&s2);
288 copyinfo(&s2, &s1);
289 return(1);
292 void
293 fetchkre(void)
295 time_t now;
296 struct tm *tp;
297 static int d_first = -1;
299 if (d_first < 0)
300 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
302 time(&now);
303 tp = localtime(&now);
304 (void) strftime(buf, sizeof(buf),
305 d_first ? "%e %b %R" : "%b %e %R", tp);
306 getinfo(&s);
309 void
310 labelkre(void)
312 int i, j;
314 clear();
315 mvprintw(STATROW, STATCOL + 4, "users Load");
316 mvprintw(MEMROW + 0, MEMCOLA, "Active ");
317 mvprintw(MEMROW + 1, MEMCOLA, "Kernel ");
318 mvprintw(MEMROW + 2, MEMCOLA, "Free ");
319 mvprintw(MEMROW + 3, MEMCOLA, "Total ");
321 mvprintw(MEMROW + 2, MEMCOLA + 14, "i+c+f");
323 mvprintw(MEMROW + 0, MEMCOLB, "VM-rss");
324 mvprintw(MEMROW + 1, MEMCOLB, "VM-swp");
325 mvprintw(MEMROW + 1, MEMCOLB + 15, "/");
327 mvprintw(PAGEROW, PAGECOL, " VNODE PAGER SWAP PAGER ");
328 mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
329 mvprintw(PAGEROW + 2, PAGECOL, "bytes");
330 mvprintw(PAGEROW + 3, PAGECOL, "count");
332 mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
333 mvprintw(INTSROW + 1, INTSCOL + 9, "total");
335 mvprintw(VMSTATROW + 1, VMSTATCOL + 8, "cow");
336 mvprintw(VMSTATROW + 2, VMSTATCOL + 8, "wire");
337 mvprintw(VMSTATROW + 3, VMSTATCOL + 8, "act");
338 mvprintw(VMSTATROW + 4, VMSTATCOL + 8, "inact");
339 mvprintw(VMSTATROW + 5, VMSTATCOL + 8, "cache");
340 mvprintw(VMSTATROW + 6, VMSTATCOL + 8, "free");
341 mvprintw(VMSTATROW + 7, VMSTATCOL + 8, "daefr");
342 mvprintw(VMSTATROW + 8, VMSTATCOL + 8, "prcfr");
343 mvprintw(VMSTATROW + 9, VMSTATCOL + 8, "react");
344 mvprintw(VMSTATROW + 10, VMSTATCOL + 8, "pdwake");
345 mvprintw(VMSTATROW + 11, VMSTATCOL + 8, "pdpgs");
346 mvprintw(VMSTATROW + 12, VMSTATCOL + 8, "intrn");
347 mvprintw(VMSTATROW + 13, VMSTATCOL + 8, "buf");
348 mvprintw(VMSTATROW + 14, VMSTATCOL + 8, "dirtybuf");
350 mvprintw(VMSTATROW + 15, VMSTATCOL + 8, "activ-vp");
351 mvprintw(VMSTATROW + 16, VMSTATCOL + 8, "cachd-vp");
352 mvprintw(VMSTATROW + 17, VMSTATCOL + 8, "inact-vp");
354 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
356 mvprintw(GRAPHROW, GRAPHCOL,
357 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
358 mvprintw(PROCSROW, PROCSCOL, " r p d s");
359 mvprintw(GRAPHROW + 1, GRAPHCOL,
360 "| | | | | | | | | | |");
362 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components");
363 mvprintw(EXECROW, EXECCOL, "Execs");
364 mvprintw(DISKROW, DISKCOL, "Disks");
365 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
366 mvprintw(DISKROW + 2, DISKCOL, "tpr/s");
367 mvprintw(DISKROW + 3, DISKCOL, "MBr/s");
368 mvprintw(DISKROW + 4, DISKCOL, "tpw/s");
369 mvprintw(DISKROW + 5, DISKCOL, "MBw/s");
370 mvprintw(DISKROW + 6, DISKCOL, "%% busy");
373 * For now, we don't support a fourth disk statistic. So there's
374 * no point in providing a label for it. If someone can think of a
375 * fourth useful disk statistic, there is room to add it.
377 j = 0;
378 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
379 if (dev_select[i].selected) {
380 char tmpstr[80];
381 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
382 dev_select[i].unit_number);
383 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
384 " %5.5s", tmpstr);
385 j++;
388 if (j <= 4) {
390 * room for extended VM stats
392 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "nzfod");
393 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod");
394 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%zslo");
395 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "pgfre");
396 extended_vm_stats = 1;
397 } else {
398 extended_vm_stats = 0;
399 mvprintw(VMSTATROW + 0, VMSTATCOL + 8, "zfod");
402 for (i = 0; i < nintr; i++) {
403 if (intrloc[i] == 0)
404 continue;
405 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]);
409 #define CP_UPDATE(fld) do { \
410 uint64_t lt; \
411 lt=s.fld; \
412 s.fld-=s1.fld; \
413 if(state==TIME) \
414 s1.fld=lt; \
415 lt=fld; \
416 fld-=old_##fld; \
417 if(state==TIME) \
418 old_##fld=lt; \
419 etime += s.fld; \
420 } while(0)
421 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
422 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
423 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
424 if(state == TIME) s1.nchstats.fld = t;}
425 #define PUTRATE(fld, l, c, w) \
426 Y(fld); \
427 put64((int64_t)((float)s.fld/etime + 0.5), l, c, w, 'D')
428 #define PUTRATE_PGTOB(fld, l, c, w) \
429 Y(fld); \
430 put64((int64_t)((float)s.fld/etime + 0.5) * PAGE_SIZE, l, c, w, 0)
431 #define MAXFAIL 5
433 #define CPUSTATES 5
434 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' };
436 static const size_t cpuoffsets[] = {
437 offsetof(struct kinfo_cputime, cp_sys),
438 offsetof(struct kinfo_cputime, cp_intr),
439 offsetof(struct kinfo_cputime, cp_user),
440 offsetof(struct kinfo_cputime, cp_nice),
441 offsetof(struct kinfo_cputime, cp_idle)
444 void
445 showkre(void)
447 float f1, f2;
448 int psiz;
449 int i, j, lc;
450 long inttotal;
451 long l;
452 static int failcnt = 0;
453 double total_time;
455 etime = 0;
456 CP_UPDATE(cp_time.cp_user);
457 CP_UPDATE(cp_time.cp_nice);
458 CP_UPDATE(cp_time.cp_sys);
459 CP_UPDATE(cp_time.cp_intr);
460 CP_UPDATE(cp_time.cp_idle);
462 total_time = etime;
463 if (total_time == 0.0)
464 total_time = 1.0;
466 if (etime < 100000.0) { /* < 100ms ignore this trash */
467 if (failcnt++ >= MAXFAIL) {
468 clear();
469 mvprintw(2, 10, "The alternate system clock has died!");
470 mvprintw(3, 10, "Reverting to ``pigs'' display.");
471 move(CMDLINE, 0);
472 refresh();
473 failcnt = 0;
474 sleep(5);
475 command("pigs");
477 return;
479 failcnt = 0;
480 etime /= 1000000.0;
481 etime /= ncpu;
482 if (etime == 0)
483 etime = 1;
484 inttotal = 0;
485 bzero(lacc, nintr * sizeof(*lacc));
487 for (i = 0; i < nintr; i++) {
488 if (s.intrcnt[i] == 0)
489 continue;
490 j = intralias[i];
491 if (intrloc[j] == 0) {
492 if (nextintsrow == LINES)
493 continue;
494 intrloc[j] = nextintsrow++;
495 mvprintw(intrloc[j], INTSCOL + 9, "%-10.10s",
496 intrname[j]);
498 X(intrcnt);
499 l = (long)((float)s.intrcnt[i]/etime + 0.5);
500 lacc[j] += l;
501 inttotal += l;
502 put64(lacc[j], intrloc[j], INTSCOL + 3, 5, 'D');
504 put64(inttotal, INTSROW + 1, INTSCOL + 3, 5, 'D');
505 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
506 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits);
507 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
508 nchtotal.ncs_miss + nchtotal.ncs_neghits;
509 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss;
510 if (state == TIME) {
511 s1.nchcount = s.nchcount;
512 s1.nchpathcount = s.nchpathcount;
515 #define LOADCOLS 49 /* Don't but into the 'free' value */
516 #define LOADRANGE (100.0 / LOADCOLS)
518 psiz = 0;
519 f2 = 0.0;
520 for (lc = 0; lc < CPUSTATES; lc++) {
521 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) +
522 cpuoffsets[lc]);
523 f1 = 100.0 * val / total_time;
524 f2 += f1;
525 l = (int)((f2 + (LOADRANGE / 2.0)) / LOADRANGE) - psiz;
526 if (f1 > 99.9)
527 f1 = 99.9; /* no room to display 100.0 */
528 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
529 move(GRAPHROW + 2, psiz);
530 psiz += l;
531 while (l-- > 0)
532 addch(cpuchar[lc]);
535 put64(ucount(), STATROW, STATCOL, 3, 'D');
536 putfloat(avenrun[0], STATROW, STATCOL + 18, 6, 2, 0);
537 putfloat(avenrun[1], STATROW, STATCOL + 25, 6, 2, 0);
538 putfloat(avenrun[2], STATROW, STATCOL + 32, 6, 2, 0);
539 mvaddstr(STATROW, STATCOL + 53, buf);
540 #define pgtokb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / 1024)
541 #define pgtomb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / (1024 * 1024))
542 #define pgtob(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size)
544 put64(pgtob(vms.v_active_count), MEMROW + 0, MEMCOLA + 7, 6, 0);
545 put64(pgtob(vms.v_wire_count), MEMROW + 1, MEMCOLA + 7, 6, 0); /*XXX*/
546 put64(pgtob(vms.v_inactive_count +
547 vms.v_cache_count +
548 vms.v_free_count), MEMROW + 2, MEMCOLA + 7, 6, 0);
549 put64(s.physmem, MEMROW + 3, MEMCOLA + 7, 6, 0);
550 put64(pgtob(total.t_rm), MEMROW + 0, MEMCOLB + 7, 6, 0);
551 put64(pgtob(total.t_vm - total.t_rm), MEMROW + 1, MEMCOLB + 7, 6, 0);
552 put64(pgtob(s.kvmsw[kvnsw].ksw_total), MEMROW + 1, MEMCOLB + 17, 6, 0);
554 #if 0
555 put64(pgtob(total.t_arm), MEMROW + 2, MEMCOL + 4, 6, 0);
556 put64(pgtob(total.t_armshr), MEMROW + 2, MEMCOL + 11, 6, 0);
557 put64(pgtob(total.t_avm), MEMROW + 2, MEMCOL + 19, 6, 0);
558 put64(pgtob(total.t_avmshr), MEMROW + 2, MEMCOL + 26, 6, 0);
559 put64(pgtob(total.t_rm), MEMROW + 3, MEMCOL + 4, 6, 0);
560 put64(pgtob(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 6, 0);
561 put64(pgtob(total.t_vm), MEMROW + 3, MEMCOL + 19, 6, 0);
562 put64(pgtob(total.t_vmshr), MEMROW + 3, MEMCOL + 26, 6, 0);
563 put64(pgtob(total.t_free), MEMROW + 2, MEMCOL + 34, 6, 0);
564 #endif
566 put64(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 4, 'D');
567 put64(total.t_pw, PROCSROW + 1, PROCSCOL + 4, 4, 'D');
568 put64(total.t_dw, PROCSROW + 1, PROCSCOL + 8, 4, 'D');
569 put64(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 4, 'D');
570 /*put64(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D');*/
571 if (extended_vm_stats == 0) {
572 PUTRATE_PGTOB(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL, 7);
574 PUTRATE_PGTOB(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL, 7);
575 put64(pgtob(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 7, 0);
576 put64(pgtob(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 7, 0);
577 put64(pgtob(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 7, 0);
578 put64(pgtob(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 7, 0);
579 put64(pgtob(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 7, 0);
580 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 7);
581 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 7);
582 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 7);
583 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 7);
584 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 7);
585 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 7);
587 if (extended_vm_stats) {
588 int64_t orig_zfod = s.Vmm.v_zfod;
589 s.Vmm.v_zfod -= s.Vmm.v_ozfod;
590 PUTRATE_PGTOB(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 14, 7);
591 PUTRATE_PGTOB(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 14, 7);
592 #define nz(x) ((x) ? (x) : 1)
593 put64((s.Vmm.v_zfod) * 100 / nz(orig_zfod),
594 VMSTATROW + 13, VMSTATCOL - 14, 7, 'D');
595 #undef nz
596 PUTRATE_PGTOB(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 14, 7);
599 put64(s.bufspace, VMSTATROW + 13, VMSTATCOL, 7, 0);
600 put64(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 7, 'K');
601 put64(s.activevnodes, VMSTATROW + 15, VMSTATCOL, 7, 'D');
602 put64(s.cachedvnodes, VMSTATROW + 16, VMSTATCOL, 7, 'D');
603 put64(s.inactivevnodes, VMSTATROW + 17, VMSTATCOL, 7, 'D');
604 PUTRATE_PGTOB(Vmm.v_vnodepgsin, PAGEROW + 2, PAGECOL + 7, 5);
605 PUTRATE_PGTOB(Vmm.v_vnodepgsout, PAGEROW + 2, PAGECOL + 13, 5);
606 PUTRATE_PGTOB(Vmm.v_swappgsin, PAGEROW + 2, PAGECOL + 21, 5);
607 PUTRATE_PGTOB(Vmm.v_swappgsout, PAGEROW + 2, PAGECOL + 27, 5);
608 PUTRATE(Vmm.v_vnodein, PAGEROW + 3, PAGECOL + 7, 5);
609 PUTRATE(Vmm.v_vnodeout, PAGEROW + 3, PAGECOL + 13, 5);
610 PUTRATE(Vmm.v_swapin, PAGEROW + 3, PAGECOL + 21, 5);
611 PUTRATE(Vmm.v_swapout, PAGEROW + 3, PAGECOL + 27, 5);
612 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL + 1, 4);
613 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 4);
614 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 11, 4);
615 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 16, 4);
616 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 21, 4);
617 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 26, 4);
618 mvprintw(DISKROW, DISKCOL + 5, " ");
619 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
620 if (dev_select[i].selected) {
621 char tmpstr[80];
622 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
623 dev_select[i].unit_number);
624 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc,
625 " %5.5s", tmpstr);
626 switch(state) {
627 case TIME:
628 dinfo(i, ++lc, &cur, &last);
629 break;
630 case RUN:
631 dinfo(i, ++lc, &cur, &run);
632 break;
633 case BOOT:
634 dinfo(i, ++lc, &cur, NULL);
635 break;
638 #define nz(x) ((x) ? (x) : 1)
639 put64(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 6, 6, 'D');
640 PUTRATE(Vmm.v_exec, EXECROW + 1, EXECCOL, 5);
641 put64(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 13, 6, 'D');
642 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount),
643 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0);
645 putfloat((double)s.nchcount / nz(s.nchpathcount),
646 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1);
647 #undef nz
651 cmdkre(const char *cmd, char *args)
653 int retval;
655 if (prefix(cmd, "run")) {
656 retval = 1;
657 copyinfo(&s2, &s1);
658 switch (getdevs(&run)) {
659 case -1:
660 errx(1, "%s", devstat_errbuf);
661 break;
662 case 1:
663 num_devices = run.dinfo->numdevs;
664 generation = run.dinfo->generation;
665 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
666 if (retval == 2)
667 labelkre();
668 break;
669 default:
670 break;
672 state = RUN;
673 return (retval);
675 if (prefix(cmd, "boot")) {
676 state = BOOT;
677 copyinfo(&z, &s1);
678 return (1);
680 if (prefix(cmd, "time")) {
681 state = TIME;
682 return (1);
684 if (prefix(cmd, "zero")) {
685 retval = 1;
686 if (state == RUN) {
687 getinfo(&s1);
688 switch (getdevs(&run)) {
689 case -1:
690 errx(1, "%s", devstat_errbuf);
691 break;
692 case 1:
693 num_devices = run.dinfo->numdevs;
694 generation = run.dinfo->generation;
695 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
696 if (retval == 2)
697 labelkre();
698 break;
699 default:
700 break;
703 return (retval);
705 retval = dscmd(cmd, args, MAXDRIVES, &cur);
707 if (retval == 2)
708 labelkre();
710 return(retval);
713 /* calculate number of users on the system */
714 static int
715 ucount(void)
717 struct utmpentry *ep = NULL; /* avoid gcc warnings */
718 int nusers = 0;
720 getutentries(NULL, &ep);
721 for (; ep; ep = ep->next)
722 nusers++;
724 return (nusers);
727 static void
728 put64(intmax_t n, int l, int lc, int w, int type)
730 char b[128];
731 int isneg;
732 int i;
733 int64_t d;
734 int64_t u;
736 move(l, lc);
737 if (n == 0) {
738 while (w-- > 0)
739 addch(' ');
740 return;
742 if (type == 0 || type == 'D')
743 snprintf(b, sizeof(b), "%*jd", w, n);
744 else
745 snprintf(b, sizeof(b), "%*jd%c", w - 1, n, type);
746 if (strlen(b) <= (size_t)w) {
747 addstr(b);
748 return;
751 if (type == 'D')
752 u = 1000;
753 else
754 u = 1024;
755 if (n < 0) {
756 n = -n;
757 isneg = 1;
758 } else {
759 isneg = 0;
762 for (d = 1; n / d >= 1000; d *= u) {
763 switch(type) {
764 case 'D':
765 case 0:
766 type = 'K';
767 break;
768 case 'K':
769 type = 'M';
770 break;
771 case 'M':
772 type = 'G';
773 break;
774 case 'G':
775 type = 'T';
776 break;
777 case 'T':
778 type = 'X';
779 break;
780 default:
781 type = '?';
782 break;
786 i = w - isneg;
787 if (n / d >= 100)
788 i -= 3;
789 else if (n / d >= 10)
790 i -= 2;
791 else
792 i -= 1;
793 if (i > 4) {
794 snprintf(b + 64, sizeof(b) - 64, "%jd.%03jd%c",
795 n / d, n / (d / 1000) % 1000, type);
796 } else if (i > 3) {
797 snprintf(b + 64, sizeof(b) - 64, "%jd.%02jd%c",
798 n / d, n / (d / 100) % 100, type);
799 } else if (i > 2) {
800 snprintf(b + 64, sizeof(b) - 64, "%jd.%01jd%c",
801 n / d, n / (d / 10) % 10, type);
802 } else {
803 snprintf(b + 64, sizeof(b) - 64, "%jd%c",
804 n / d, type);
806 w -= strlen(b + 64);
807 i = 64;
808 if (isneg) {
809 b[--i] = '-';
810 --w;
812 while (w > 0) {
813 --w;
814 b[--i] = ' ';
816 addstr(b + i);
819 static void
820 putfloat(double f, int l, int lc, int w, int d, int nz)
822 char b[128];
824 move(l, lc);
825 if (nz && f == 0.0) {
826 while (--w >= 0)
827 addch(' ');
828 return;
830 snprintf(b, sizeof(b), "%*.*f", w, d, f);
831 if (strlen(b) > (size_t)w)
832 snprintf(b, sizeof(b), "%*.0f", w, f);
833 if (strlen(b) > (size_t)w) {
834 while (--w >= 0)
835 addch('*');
836 return;
838 addstr(b);
841 static void
842 putlongdouble(long double f, int l, int lc, int w, int d, int nz)
844 char b[128];
846 move(l, lc);
847 if (nz && f == 0.0) {
848 while (--w >= 0)
849 addch(' ');
850 return;
852 sprintf(b, "%*.*Lf", w, d, f);
853 if (strlen(b) > (size_t)w)
854 sprintf(b, "%*.0Lf", w, f);
855 if (strlen(b) > (size_t)w) {
856 while (--w >= 0)
857 addch('*');
858 return;
860 addstr(b);
863 static void
864 putlongdoublez(long double f, int l, int lc, int w, int d, int nz)
866 char b[128];
868 if (f == 0.0) {
869 move(l, lc);
870 sprintf(b, "%*.*s", w, w, "");
871 addstr(b);
872 } else {
873 putlongdouble(f, l, lc, w, d, nz);
877 static void
878 getinfo(struct Info *ls)
880 struct devinfo *tmp_dinfo;
881 struct nchstats *nch_tmp;
882 size_t size;
883 size_t vms_size = sizeof(ls->Vms);
884 size_t vmm_size = sizeof(ls->Vmm);
885 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU;
886 size_t phys_size = sizeof(ls->physmem);
888 kvnsw = kvm_getswapinfo(kd, ls->kvmsw, NKVMSW, 0);
890 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) {
891 perror("sysctlbyname: vm.vmstats");
892 exit(1);
894 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) {
895 perror("sysctlbyname: vm.vmstats");
896 exit(1);
898 if (sysctlbyname("hw.physmem", &ls->physmem, &phys_size, NULL, 0)) {
899 perror("sysctlbyname: hw.physmem");
900 exit(1);
903 if (kinfo_get_sched_cputime(&ls->cp_time))
904 err(1, "kinfo_get_sched_cputime");
905 if (kinfo_get_sched_cputime(&cp_time))
906 err(1, "kinfo_get_sched_cputime");
907 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace));
908 NREAD(X_DESIREDVNODES, &ls->maxvnodes, sizeof(ls->maxvnodes));
909 NREAD(X_CACHEDVNODES, &ls->cachedvnodes, sizeof(ls->cachedvnodes));
910 NREAD(X_INACTIVEVNODES, &ls->inactivevnodes,
911 sizeof(ls->inactivevnodes));
912 NREAD(X_ACTIVEVNODES, &ls->activevnodes, sizeof(ls->activevnodes));
913 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace));
915 if (nintr) {
916 size = nintr * sizeof(ls->intrcnt[0]);
917 sysctlbyname("hw.intrcnt_all", ls->intrcnt, &size, NULL, 0);
919 size = sizeof(ls->Total);
920 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) {
921 error("Can't get kernel info: %s\n", strerror(errno));
922 bzero(&ls->Total, sizeof(ls->Total));
925 if ((nch_tmp = malloc(nch_size)) == NULL) {
926 perror("malloc");
927 exit(1);
928 } else {
929 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) {
930 perror("sysctlbyname vfs.cache.nchstats");
931 free(nch_tmp);
932 exit(1);
933 } else {
934 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) {
935 perror("realloc");
936 exit(1);
941 if (kinfo_get_cpus(&ncpu))
942 err(1, "kinfo_get_cpus");
943 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu);
944 free(nch_tmp);
946 tmp_dinfo = last.dinfo;
947 last.dinfo = cur.dinfo;
948 cur.dinfo = tmp_dinfo;
950 last.busy_time = cur.busy_time;
951 switch (getdevs(&cur)) {
952 case -1:
953 errx(1, "%s", devstat_errbuf);
954 break;
955 case 1:
956 num_devices = cur.dinfo->numdevs;
957 generation = cur.dinfo->generation;
958 cmdkre("refresh", NULL);
959 break;
960 default:
961 break;
965 static void
966 allocinfo(struct Info *ls)
968 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
969 if (ls->intrcnt == NULL)
970 errx(2, "out of memory");
973 static void
974 copyinfo(struct Info *from, struct Info *to)
976 long *intrcnt;
979 * time, wds, seek, and xfer are malloc'd so we have to
980 * save the pointers before the structure copy and then
981 * copy by hand.
983 intrcnt = to->intrcnt;
984 *to = *from;
986 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
989 static void
990 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
992 long double kb_per_transfer;
993 long double transfers_per_secondr;
994 long double transfers_per_secondw;
995 long double mb_per_secondr;
996 long double mb_per_secondw;
997 long double elapsed_time, device_busy;
998 int di;
1000 di = dev_select[dn].position;
1002 elapsed_time = compute_etime(now->busy_time, then ?
1003 then->busy_time :
1004 now->dinfo->devices[di].dev_creation_time);
1006 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ?
1007 then->dinfo->devices[di].busy_time :
1008 now->dinfo->devices[di].dev_creation_time);
1010 if (compute_stats(
1011 &now->dinfo->devices[di],
1012 (then ? &then->dinfo->devices[di] : NULL),
1013 elapsed_time,
1014 NULL, NULL, NULL,
1015 &kb_per_transfer,
1016 NULL,
1017 NULL,
1018 NULL, NULL) != 0)
1019 errx(1, "%s", devstat_errbuf);
1021 if (compute_stats_read(
1022 &now->dinfo->devices[di],
1023 (then ? &then->dinfo->devices[di] : NULL),
1024 elapsed_time,
1025 NULL, NULL, NULL,
1026 NULL,
1027 &transfers_per_secondr,
1028 &mb_per_secondr,
1029 NULL, NULL) != 0)
1030 errx(1, "%s", devstat_errbuf);
1032 if (compute_stats_write(
1033 &now->dinfo->devices[di],
1034 (then ? &then->dinfo->devices[di] : NULL),
1035 elapsed_time,
1036 NULL, NULL, NULL,
1037 NULL,
1038 &transfers_per_secondw,
1039 &mb_per_secondw,
1040 NULL, NULL) != 0)
1041 errx(1, "%s", devstat_errbuf);
1043 #if 0
1045 * Remove this hack, it no longer works properly and will
1046 * report 100% busy in situations where the device is able
1047 * to respond to the requests faster than the busy counter's
1048 * granularity.
1050 if ((device_busy == 0) &&
1051 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) {
1052 /* the device has been 100% busy, fake it because
1053 * as long as the device is 100% busy the busy_time
1054 * field in the devstat struct is not updated */
1055 device_busy = elapsed_time;
1057 #endif
1058 if (device_busy > elapsed_time) {
1059 /* this normally happens after one or more periods
1060 * where the device has been 100% busy, correct it */
1061 device_busy = elapsed_time;
1064 lc = DISKCOL + lc * 6;
1065 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
1066 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0);
1067 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0);
1068 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0);
1069 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0);
1070 putlongdouble(device_busy * 100 / elapsed_time,
1071 DISKROW + 6, lc, 5, 0, 0);