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Move static & inline to the beginnings of declarations.
[dragonfly.git] / usr.bin / systat / vmstat.c
blobc4d4bed4144ea9d32fe1f98a678d03525edcbf4b
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.
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 $
35 * $DragonFly: src/usr.bin/systat/vmstat.c,v 1.12 2008/11/10 04:59:45 swildner Exp $
36 */
37
38 /*
39 * Cursed vmstat -- from Robert Elz.
40 */
41
42 #include <sys/user.h>
43 #include <sys/param.h>
44 #include <sys/stat.h>
45 #include <sys/time.h>
46 #include <sys/uio.h>
47 #include <sys/namei.h>
48 #include <sys/sysctl.h>
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>
56 #include <kinfo.h>
57 #include <langinfo.h>
58 #include <nlist.h>
59 #include <paths.h>
60 #include <signal.h>
61 #include <stddef.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <time.h>
65 #include <unistd.h>
66 #include "utmpentry.h"
67 #include <devstat.h>
68 #include "systat.h"
69 #include "extern.h"
70 #include "devs.h"
71
72 static struct Info {
73 struct kinfo_cputime cp_time;
74 struct vmmeter Vmm;
75 struct vmtotal Total;
76 struct vmstats Vms;
77 struct nchstats nchstats;
78 long nchcount;
79 long nchpathcount;
80 long *intrcnt;
81 int bufspace;
82 int desiredvnodes;
83 int numvnodes;
84 int freevnodes;
85 int dirtybufspace;
86 } s, s1, s2, z;
87
88 struct kinfo_cputime cp_time, old_cp_time;
89 struct statinfo cur, last, run;
90
91 #define vmm s.Vmm
92 #define vms s.Vms
93 #define oldvmm s1.Vmm
94 #define oldvms s1.Vms
95 #define total s.Total
96 #define nchtotal s.nchstats
97 #define oldnchtotal s1.nchstats
98
99 static enum state { BOOT, TIME, RUN } state = TIME;
100
101 static void allocinfo(struct Info *);
102 static void copyinfo(struct Info *, struct Info *);
103 static void dinfo(int, int, struct statinfo *, struct statinfo *);
104 static void getinfo(struct Info *);
105 static void putlong(long, int, int, int, int);
106 static void putfloat(double, int, int, int, int, int);
107 static void putlongdouble(long double, int, int, int, int, int);
108 static void putlongdoublez(long double, int, int, int, int, int);
109 static int ucount(void);
110
111 static int ncpu;
112 static char buf[26];
113 static time_t t;
114 static double etime;
115 static int nintr;
116 static long *intrloc;
117 static char **intrname;
118 static int nextintsrow;
119 static int extended_vm_stats;
120
121
122
123 WINDOW *
124 openkre(void)
125 {
126
127 return (stdscr);
128 }
129
130 void
131 closekre(WINDOW *w)
132 {
133
134 if (w == NULL)
135 return;
136 wclear(w);
137 wrefresh(w);
138 }
139
140
141 static struct nlist namelist[] = {
142 #define X_BUFFERSPACE 0
143 { .n_name = "_bufspace" },
144 #define X_NCHSTATS 1
145 { .n_name = "_nchstats" },
146 #define X_DESIREDVNODES 2
147 { .n_name = "_desiredvnodes" },
148 #define X_NUMVNODES 3
149 { .n_name = "_numvnodes" },
150 #define X_FREEVNODES 4
151 { .n_name = "_freevnodes" },
152 #define X_NUMDIRTYBUFFERS 5
153 { .n_name = "_dirtybufspace" },
154 { .n_name = "" },
155 };
156
157 /*
158 * These constants define where the major pieces are laid out
159 */
160 #define STATROW 0 /* uses 1 row and 68 cols */
161 #define STATCOL 2
162 #define MEMROW 2 /* uses 4 rows and 31 cols */
163 #define MEMCOL 0
164 #define PAGEROW 2 /* uses 4 rows and 26 cols */
165 #define PAGECOL 46
166 #define INTSROW 6 /* uses all rows to bottom and 17 cols */
167 #define INTSCOL 61
168 #define PROCSROW 7 /* uses 2 rows and 20 cols */
169 #define PROCSCOL 0
170 #define GENSTATROW 7 /* uses 2 rows and 30 cols */
171 #define GENSTATCOL 16
172 #define VMSTATROW 6 /* uses 17 rows and 12 cols */
173 #define VMSTATCOL 48
174 #define GRAPHROW 10 /* uses 3 rows and 51 cols */
175 #define GRAPHCOL 0
176 #define NAMEIROW 14 /* uses 3 rows and 38 cols */
177 #define NAMEICOL 0
178 #define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */
179 #define DISKCOL 0
180
181 #define DRIVESPACE 7 /* max # for space */
182
183 #define MAXDRIVES DRIVESPACE /* max # to display */
184
185 int
186 initkre(void)
187 {
188 char *intrnamebuf;
189 size_t bytes;
190 size_t b;
191 size_t i;
192
193 if (namelist[0].n_type == 0) {
194 if (kvm_nlist(kd, namelist)) {
195 nlisterr(namelist);
196 return(0);
197 }
198 if (namelist[0].n_type == 0) {
199 error("No namelist");
200 return(0);
201 }
202 }
203
204 if ((num_devices = getnumdevs()) < 0) {
205 warnx("%s", devstat_errbuf);
206 return(0);
207 }
208
209 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
210 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
211 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
212 bzero(cur.dinfo, sizeof(struct devinfo));
213 bzero(last.dinfo, sizeof(struct devinfo));
214 bzero(run.dinfo, sizeof(struct devinfo));
215
216 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
217 return(0);
218
219 if (nintr == 0) {
220 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) {
221 intrnamebuf = malloc(bytes);
222 sysctlbyname("hw.intrnames", intrnamebuf, &bytes,
223 NULL, 0);
224 for (i = 0; i < bytes; ++i) {
225 if (intrnamebuf[i] == 0)
226 ++nintr;
227 }
228 intrname = malloc(nintr * sizeof(char *));
229 intrloc = malloc(nintr * sizeof(*intrloc));
230 nintr = 0;
231 for (b = i = 0; i < bytes; ++i) {
232 if (intrnamebuf[i] == 0) {
233 intrname[nintr] = intrnamebuf + b;
234 intrloc[nintr] = 0;
235 b = i + 1;
236 ++nintr;
237 }
238 }
239 }
240 nextintsrow = INTSROW + 2;
241 allocinfo(&s);
242 allocinfo(&s1);
243 allocinfo(&s2);
244 allocinfo(&z);
245 }
246 getinfo(&s2);
247 copyinfo(&s2, &s1);
248 return(1);
249 }
250
251 void
252 fetchkre(void)
253 {
254 time_t now;
255 struct tm *tp;
256 static int d_first = -1;
257
258 if (d_first < 0)
259 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
260
261 time(&now);
262 tp = localtime(&now);
263 (void) strftime(buf, sizeof(buf),
264 d_first ? "%e %b %R" : "%b %e %R", tp);
265 getinfo(&s);
266 }
267
268 void
269 labelkre(void)
270 {
271 int i, j;
272
273 clear();
274 mvprintw(STATROW, STATCOL + 4, "users Load");
275 mvprintw(MEMROW, MEMCOL, "Mem:MB REAL VIRTUAL");
276 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
277 mvprintw(MEMROW + 2, MEMCOL, "Act");
278 mvprintw(MEMROW + 3, MEMCOL, "All");
279
280 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
281
282 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER ");
283 mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
284 mvprintw(PAGEROW + 2, PAGECOL, "count");
285 mvprintw(PAGEROW + 3, PAGECOL, "pages");
286
287 mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
288 mvprintw(INTSROW + 1, INTSCOL + 9, "total");
289
290 mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "cow");
291 mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "wire");
292 mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "act");
293 mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "inact");
294 mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "cache");
295 mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "free");
296 mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "daefr");
297 mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "prcfr");
298 mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "react");
299 mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "pdwake");
300 mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "pdpgs");
301 mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "intrn");
302 mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "buf");
303 mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "dirtybuf");
304
305 mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "desiredvnodes");
306 mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "numvnodes");
307 mvprintw(VMSTATROW + 17, VMSTATCOL + 10, "freevnodes");
308
309 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
310
311 mvprintw(GRAPHROW, GRAPHCOL,
312 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
313 mvprintw(PROCSROW, PROCSCOL, " r p d s w");
314 mvprintw(GRAPHROW + 1, GRAPHCOL,
315 "| | | | | | | | | | |");
316
317 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components");
318 mvprintw(DISKROW, DISKCOL, "Disks");
319 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
320 mvprintw(DISKROW + 2, DISKCOL, "tpr/s");
321 mvprintw(DISKROW + 3, DISKCOL, "MBr/s");
322 mvprintw(DISKROW + 4, DISKCOL, "tpw/s");
323 mvprintw(DISKROW + 5, DISKCOL, "MBw/s");
324 mvprintw(DISKROW + 6, DISKCOL, "%% busy");
325 /*
326 * For now, we don't support a fourth disk statistic. So there's
327 * no point in providing a label for it. If someone can think of a
328 * fourth useful disk statistic, there is room to add it.
329 */
330 j = 0;
331 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
332 if (dev_select[i].selected) {
333 char tmpstr[80];
334 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
335 dev_select[i].unit_number);
336 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
337 " %5.5s", tmpstr);
338 j++;
339 }
340
341 if (j <= 4) {
342 /*
343 * room for extended VM stats
344 */
345 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod");
346 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod");
347 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%slo-z");
348 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree");
349 extended_vm_stats = 1;
350 } else {
351 extended_vm_stats = 0;
352 mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "zfod");
353 }
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 CP_UPDATE(fld) do { \
363 uint64_t lt; \
364 lt=s.fld; \
365 s.fld-=s1.fld; \
366 if(state==TIME) \
367 s1.fld=lt; \
368 lt=fld; \
369 fld-=old_##fld; \
370 if(state==TIME) \
371 old_##fld=lt; \
372 etime += s.fld; \
373 } while(0)
374 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
375 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
376 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
377 if(state == TIME) s1.nchstats.fld = t;}
378 #define PUTRATE(fld, l, c, w) \
379 Y(fld); \
380 putlong((long)((float)s.fld/etime + 0.5), l, c, w, 'D')
381 #define MAXFAIL 5
382
383 #define CPUSTATES 5
384 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' };
385
386 static const size_t cpuoffsets[] = {
387 offsetof(struct kinfo_cputime, cp_sys),
388 offsetof(struct kinfo_cputime, cp_intr),
389 offsetof(struct kinfo_cputime, cp_user),
390 offsetof(struct kinfo_cputime, cp_nice),
391 offsetof(struct kinfo_cputime, cp_idle)
392 };
393
394 void
395 showkre(void)
396 {
397 float f1, f2;
398 int psiz;
399 int i, lc;
400 long inttotal;
401 long l;
402 static int failcnt = 0;
403 double total_time;
404
405 etime = 0;
406 CP_UPDATE(cp_time.cp_user);
407 CP_UPDATE(cp_time.cp_nice);
408 CP_UPDATE(cp_time.cp_sys);
409 CP_UPDATE(cp_time.cp_intr);
410 CP_UPDATE(cp_time.cp_idle);
411
412 total_time = etime;
413 if (total_time == 0.0)
414 total_time = 1.0;
415
416 if (etime < 100000.0) { /* < 100ms ignore this trash */
417 if (failcnt++ >= MAXFAIL) {
418 clear();
419 mvprintw(2, 10, "The alternate system clock has died!");
420 mvprintw(3, 10, "Reverting to ``pigs'' display.");
421 move(CMDLINE, 0);
422 refresh();
423 failcnt = 0;
424 sleep(5);
425 command("pigs");
426 }
427 return;
428 }
429 failcnt = 0;
430 etime /= 1000000.0;
431 etime /= ncpu;
432 if (etime == 0)
433 etime = 1;
434 inttotal = 0;
435 for (i = 0; i < nintr; i++) {
436 if (s.intrcnt[i] == 0)
437 continue;
438 if (intrloc[i] == 0) {
439 if (nextintsrow == LINES)
440 continue;
441 intrloc[i] = nextintsrow++;
442 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s",
443 intrname[i]);
444 }
445 X(intrcnt);
446 l = (long)((float)s.intrcnt[i]/etime + 0.5);
447 inttotal += l;
448 putlong(l, intrloc[i], INTSCOL + 2, 6, 'D');
449 }
450 putlong(inttotal, INTSROW + 1, INTSCOL + 2, 6, 'D');
451 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
452 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits);
453 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
454 nchtotal.ncs_miss + nchtotal.ncs_neghits;
455 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss;
456 if (state == TIME) {
457 s1.nchcount = s.nchcount;
458 s1.nchpathcount = s.nchpathcount;
459 }
460
461 psiz = 0;
462 f2 = 0.0;
463 for (lc = 0; lc < CPUSTATES; lc++) {
464 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) +
465 cpuoffsets[lc]);
466 f1 = 100.0 * val / total_time;
467 f2 += f1;
468 l = (int) ((f2 + 1.0) / 2.0) - psiz;
469 if (f1 > 99.9)
470 f1 = 99.9; /* no room to display 100.0 */
471 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
472 move(GRAPHROW + 2, psiz);
473 psiz += l;
474 while (l-- > 0)
475 addch(cpuchar[lc]);
476 }
477
478 putlong(ucount(), STATROW, STATCOL, 3, 'D');
479 putfloat(avenrun[0], STATROW, STATCOL + 18, 6, 2, 0);
480 putfloat(avenrun[1], STATROW, STATCOL + 25, 6, 2, 0);
481 putfloat(avenrun[2], STATROW, STATCOL + 32, 6, 2, 0);
482 mvaddstr(STATROW, STATCOL + 53, buf);
483 #define pgtokb(pg) (long)((intmax_t)(pg) * vms.v_page_size / 1024)
484 #define pgtomb(pg) (long)((intmax_t)(pg) * vms.v_page_size / (1024 * 1024))
485 putlong(pgtomb(total.t_arm), MEMROW + 2, MEMCOL + 3, 8, 'M');
486 putlong(pgtomb(total.t_armshr), MEMROW + 2, MEMCOL + 11, 8, 'M');
487 putlong(pgtomb(total.t_avm), MEMROW + 2, MEMCOL + 19, 9, 'M');
488 putlong(pgtomb(total.t_avmshr), MEMROW + 2, MEMCOL + 28, 9, 'M');
489 putlong(pgtomb(total.t_rm), MEMROW + 3, MEMCOL + 3, 8, 'M');
490 putlong(pgtomb(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 8, 'M');
491 putlong(pgtomb(total.t_vm), MEMROW + 3, MEMCOL + 19, 9, 'M');
492 putlong(pgtomb(total.t_vmshr), MEMROW + 3, MEMCOL + 28, 9, 'M');
493 putlong(pgtomb(total.t_free), MEMROW + 2, MEMCOL + 37, 8, 'M');
494 putlong(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 3, 'D');
495 putlong(total.t_pw, PROCSROW + 1, PROCSCOL + 3, 3, 'D');
496 putlong(total.t_dw, PROCSROW + 1, PROCSCOL + 6, 3, 'D');
497 putlong(total.t_sl, PROCSROW + 1, PROCSCOL + 9, 3, 'D');
498 putlong(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D');
499 if (extended_vm_stats == 0) {
500 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL + 4, 5);
501 }
502 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL + 3, 6);
503 putlong(pgtokb(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 9, 'K');
504 putlong(pgtokb(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 9, 'K');
505 putlong(pgtokb(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 9, 'K');
506 putlong(pgtokb(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 9, 'K');
507 putlong(pgtokb(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 9, 'K');
508 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 9);
509 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 9);
510 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 9);
511 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 9);
512 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 9);
513 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 9);
514
515 if (extended_vm_stats) {
516 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9);
517 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9);
518 #define nz(x) ((x) ? (x) : 1)
519 putlong((s.Vmm.v_zfod - s.Vmm.v_ozfod) * 100 / nz(s.Vmm.v_zfod),
520 VMSTATROW + 13, VMSTATCOL - 16, 9, 'D');
521 #undef nz
522 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9);
523 }
524
525 putlong(s.bufspace/1024, VMSTATROW + 13, VMSTATCOL, 9, 'K');
526 putlong(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 9, 'K');
527 putlong(s.desiredvnodes, VMSTATROW + 15, VMSTATCOL, 9, 'D');
528 putlong(s.numvnodes, VMSTATROW + 16, VMSTATCOL, 9, 'D');
529 putlong(s.freevnodes, VMSTATROW + 17, VMSTATCOL, 9, 'D');
530 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 6, 4);
531 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 11, 4);
532 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 18, 4);
533 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 23, 4);
534 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 4);
535 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 11, 4);
536 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 18, 4);
537 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 23, 4);
538 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL + 1, 4);
539 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 4);
540 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 11, 4);
541 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 16, 4);
542 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 21, 4);
543 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 26, 4);
544 mvprintw(DISKROW, DISKCOL + 5, " ");
545 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
546 if (dev_select[i].selected) {
547 char tmpstr[80];
548 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
549 dev_select[i].unit_number);
550 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc,
551 " %5.5s", tmpstr);
552 switch(state) {
553 case TIME:
554 dinfo(i, ++lc, &cur, &last);
555 break;
556 case RUN:
557 dinfo(i, ++lc, &cur, &run);
558 break;
559 case BOOT:
560 dinfo(i, ++lc, &cur, NULL);
561 break;
562 }
563 }
564 #define nz(x) ((x) ? (x) : 1)
565 putlong(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 3, 9, 'D');
566
567 putlong(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 12, 7, 'D');
568 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount),
569 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0);
570
571 putfloat((double)s.nchcount / nz(s.nchpathcount),
572 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1);
573 #undef nz
574 }
575
576 int
577 cmdkre(const char *cmd, char *args)
578 {
579 int retval;
580
581 if (prefix(cmd, "run")) {
582 retval = 1;
583 copyinfo(&s2, &s1);
584 switch (getdevs(&run)) {
585 case -1:
586 errx(1, "%s", devstat_errbuf);
587 break;
588 case 1:
589 num_devices = run.dinfo->numdevs;
590 generation = run.dinfo->generation;
591 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
592 if (retval == 2)
593 labelkre();
594 break;
595 default:
596 break;
597 }
598 state = RUN;
599 return (retval);
600 }
601 if (prefix(cmd, "boot")) {
602 state = BOOT;
603 copyinfo(&z, &s1);
604 return (1);
605 }
606 if (prefix(cmd, "time")) {
607 state = TIME;
608 return (1);
609 }
610 if (prefix(cmd, "zero")) {
611 retval = 1;
612 if (state == RUN) {
613 getinfo(&s1);
614 switch (getdevs(&run)) {
615 case -1:
616 errx(1, "%s", devstat_errbuf);
617 break;
618 case 1:
619 num_devices = run.dinfo->numdevs;
620 generation = run.dinfo->generation;
621 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
622 if (retval == 2)
623 labelkre();
624 break;
625 default:
626 break;
627 }
628 }
629 return (retval);
630 }
631 retval = dscmd(cmd, args, MAXDRIVES, &cur);
632
633 if (retval == 2)
634 labelkre();
635
636 return(retval);
637 }
638
639 /* calculate number of users on the system */
640 static int
641 ucount(void)
642 {
643 struct utmpentry *ep;
644 int nusers = 0;
645
646 getutentries(NULL, &ep);
647 for (; ep; ep = ep->next)
648 nusers++;
649
650 return (nusers);
651 }
652
653 static void
654 putlong(long n, int l, int lc, int w, int type)
655 {
656 char b[128];
657 int xtype;
658
659 move(l, lc);
660 if (n == 0) {
661 while (w-- > 0)
662 addch(' ');
663 return;
664 }
665 snprintf(b, sizeof(b), "%*ld", w, n);
666 if (strlen(b) > (size_t)w) {
667 if (type == 'D') {
668 n /= 1000;
669 xtype = 'K';
670 } else {
671 n /= 1024;
672 xtype = 'M';
673 }
674 snprintf(b, sizeof(b), "%*ld%c", w - 1, n, xtype);
675 if (strlen(b) > (size_t)w) {
676 if (type == 'D') {
677 n /= 1000;
678 xtype = 'M';
679 } else {
680 n /= 1024;
681 xtype = 'G';
682 }
683 snprintf(b, sizeof(b), "%*ld%c", w - 1, n, xtype);
684 if (strlen(b) > (size_t)w) {
685 while (w-- > 0)
686 addch('*');
687 return;
688 }
689 }
690 }
691 addstr(b);
692 }
693
694 static void
695 putfloat(double f, int l, int lc, int w, int d, int nz)
696 {
697 char b[128];
698
699 move(l, lc);
700 if (nz && f == 0.0) {
701 while (--w >= 0)
702 addch(' ');
703 return;
704 }
705 snprintf(b, sizeof(b), "%*.*f", w, d, f);
706 if (strlen(b) > (size_t)w)
707 snprintf(b, sizeof(b), "%*.0f", w, f);
708 if (strlen(b) > (size_t)w) {
709 while (--w >= 0)
710 addch('*');
711 return;
712 }
713 addstr(b);
714 }
715
716 static void
717 putlongdouble(long double f, int l, int lc, int w, int d, int nz)
718 {
719 char b[128];
720
721 move(l, lc);
722 if (nz && f == 0.0) {
723 while (--w >= 0)
724 addch(' ');
725 return;
726 }
727 sprintf(b, "%*.*Lf", w, d, f);
728 if (strlen(b) > (size_t)w)
729 sprintf(b, "%*.0Lf", w, f);
730 if (strlen(b) > (size_t)w) {
731 while (--w >= 0)
732 addch('*');
733 return;
734 }
735 addstr(b);
736 }
737
738 static void
739 putlongdoublez(long double f, int l, int lc, int w, int d, int nz)
740 {
741 char b[128];
742
743 if (f == 0.0) {
744 move(l, lc);
745 sprintf(b, "%*.*s", w, w, "");
746 addstr(b);
747 } else {
748 putlongdouble(f, l, lc, w, d, nz);
749 }
750 }
751
752 static void
753 getinfo(struct Info *ls)
754 {
755 struct devinfo *tmp_dinfo;
756 struct nchstats *nch_tmp;
757 size_t size;
758 size_t vms_size = sizeof(ls->Vms);
759 size_t vmm_size = sizeof(ls->Vmm);
760 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU;
761
762 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) {
763 perror("sysctlbyname: vm.vmstats");
764 exit(1);
765 }
766 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) {
767 perror("sysctlbyname: vm.vmstats");
768 exit(1);
769 }
770
771 if (kinfo_get_sched_cputime(&ls->cp_time))
772 err(1, "kinfo_get_sched_cputime");
773 if (kinfo_get_sched_cputime(&cp_time))
774 err(1, "kinfo_get_sched_cputime");
775 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace));
776 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes));
777 NREAD(X_NUMVNODES, &ls->numvnodes, sizeof(ls->numvnodes));
778 NREAD(X_FREEVNODES, &ls->freevnodes, sizeof(ls->freevnodes));
779 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace));
780
781 if (nintr) {
782 size = nintr * sizeof(ls->intrcnt[0]);
783 sysctlbyname("hw.intrcnt_all", ls->intrcnt, &size, NULL, 0);
784 }
785 size = sizeof(ls->Total);
786 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) {
787 error("Can't get kernel info: %s\n", strerror(errno));
788 bzero(&ls->Total, sizeof(ls->Total));
789 }
790
791 if ((nch_tmp = malloc(nch_size)) == NULL) {
792 perror("malloc");
793 exit(1);
794 } else {
795 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) {
796 perror("sysctlbyname vfs.cache.nchstats");
797 free(nch_tmp);
798 exit(1);
799 } else {
800 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) {
801 perror("realloc");
802 exit(1);
803 }
804 }
805 }
806
807 if (kinfo_get_cpus(&ncpu))
808 err(1, "kinfo_get_cpus");
809 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu);
810 free(nch_tmp);
811
812 tmp_dinfo = last.dinfo;
813 last.dinfo = cur.dinfo;
814 cur.dinfo = tmp_dinfo;
815
816 last.busy_time = cur.busy_time;
817 switch (getdevs(&cur)) {
818 case -1:
819 errx(1, "%s", devstat_errbuf);
820 break;
821 case 1:
822 num_devices = cur.dinfo->numdevs;
823 generation = cur.dinfo->generation;
824 cmdkre("refresh", NULL);
825 break;
826 default:
827 break;
828 }
829 }
830
831 static void
832 allocinfo(struct Info *ls)
833 {
834 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
835 if (ls->intrcnt == NULL)
836 errx(2, "out of memory");
837 }
838
839 static void
840 copyinfo(struct Info *from, struct Info *to)
841 {
842 long *intrcnt;
843
844 /*
845 * time, wds, seek, and xfer are malloc'd so we have to
846 * save the pointers before the structure copy and then
847 * copy by hand.
848 */
849 intrcnt = to->intrcnt;
850 *to = *from;
851
852 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
853 }
854
855 static void
856 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
857 {
858 long double kb_per_transfer;
859 long double transfers_per_secondr;
860 long double transfers_per_secondw;
861 long double mb_per_secondr;
862 long double mb_per_secondw;
863 long double elapsed_time, device_busy;
864 int di;
865
866 di = dev_select[dn].position;
867
868 elapsed_time = compute_etime(now->busy_time, then ?
869 then->busy_time :
870 now->dinfo->devices[di].dev_creation_time);
871
872 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ?
873 then->dinfo->devices[di].busy_time :
874 now->dinfo->devices[di].dev_creation_time);
875
876 if (compute_stats(
877 &now->dinfo->devices[di],
878 (then ? &then->dinfo->devices[di] : NULL),
879 elapsed_time,
880 NULL, NULL, NULL,
881 &kb_per_transfer,
882 NULL,
883 NULL,
884 NULL, NULL) != 0)
885 errx(1, "%s", devstat_errbuf);
886
887 if (compute_stats_read(
888 &now->dinfo->devices[di],
889 (then ? &then->dinfo->devices[di] : NULL),
890 elapsed_time,
891 NULL, NULL, NULL,
892 NULL,
893 &transfers_per_secondr,
894 &mb_per_secondr,
895 NULL, NULL) != 0)
896 errx(1, "%s", devstat_errbuf);
897
898 if (compute_stats_write(
899 &now->dinfo->devices[di],
900 (then ? &then->dinfo->devices[di] : NULL),
901 elapsed_time,
902 NULL, NULL, NULL,
903 NULL,
904 &transfers_per_secondw,
905 &mb_per_secondw,
906 NULL, NULL) != 0)
907 errx(1, "%s", devstat_errbuf);
908
909 if ((device_busy == 0) &&
910 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) {
911 /* the device has been 100% busy, fake it because
912 * as long as the device is 100% busy the busy_time
913 * field in the devstat struct is not updated */
914 device_busy = elapsed_time;
915 }
916 if (device_busy > elapsed_time) {
917 /* this normally happens after one or more periods
918 * where the device has been 100% busy, correct it */
919 device_busy = elapsed_time;
920 }
921
922 lc = DISKCOL + lc * 6;
923 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
924 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0);
925 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0);
926 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0);
927 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0);
928 putlongdouble(device_busy * 100 / elapsed_time,
929 DISKROW + 6, lc, 5, 0, 0);
930 }
DragonFly BSD