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drm/linux: Implement some spin_lock_irq* functions
[dragonfly.git] / usr.bin / systat / vmstat.c
blob147d743e503f43dc34a3dcd4826e8ffdd109c522
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. 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.
16 *
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.
28 */
29
30 /*
31 * Cursed vmstat -- from Robert Elz.
32 */
33
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>
42
43 #include <vm/vm_param.h>
44
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"
63
64 static struct Info {
65 struct kinfo_cputime cp_time;
66 struct vmmeter Vmm;
67 struct vmtotal Total;
68 struct vmstats Vms;
69 struct nchstats nchstats;
70 long nchcount;
71 long nchpathcount;
72 long *intrcnt;
73 long bufspace;
74 int desiredvnodes;
75 int cachedvnodes;
76 int inactivevnodes;
77 int activevnodes;
78 long dirtybufspace;
79 } s, s1, s2, z;
80
81 struct kinfo_cputime cp_time, old_cp_time;
82 struct statinfo cur, last, run;
83
84 #define vmm s.Vmm
85 #define vms s.Vms
86 #define oldvmm s1.Vmm
87 #define oldvms s1.Vms
88 #define total s.Total
89 #define nchtotal s.nchstats
90 #define oldnchtotal s1.nchstats
91
92 static enum state { BOOT, TIME, RUN } state = TIME;
93
94 static void allocinfo(struct Info *);
95 static void copyinfo(struct Info *, struct Info *);
96 static void dinfo(int, int, struct statinfo *, struct statinfo *);
97 static void getinfo(struct Info *);
98 static void put64(int64_t, int, int, int, int);
99 static void putfloat(double, int, int, int, int, int);
100 static void putlongdouble(long double, int, int, int, int, int);
101 static void putlongdoublez(long double, int, int, int, int, int);
102 static int ucount(void);
103
104 static int ncpu;
105 static char buf[26];
106 static time_t t;
107 static double etime;
108 static int nintr;
109 static long *intrloc;
110 static char **intrname;
111 static int nextintsrow;
112 static int extended_vm_stats;
113
114
115
116 WINDOW *
117 openkre(void)
118 {
119
120 return (stdscr);
121 }
122
123 void
124 closekre(WINDOW *w)
125 {
126
127 if (w == NULL)
128 return;
129 wclear(w);
130 wrefresh(w);
131 }
132
133
134 static struct nlist namelist[] = {
135 #define X_BUFFERSPACE 0
136 { .n_name = "_bufspace" },
137 #define X_NCHSTATS 1
138 { .n_name = "_nchstats" },
139 #define X_DESIREDVNODES 2
140 { .n_name = "_desiredvnodes" },
141 #define X_CACHEDVNODES 3
142 { .n_name = "_cachedvnodes" },
143 #define X_INACTIVEVNODES 4
144 { .n_name = "_inactivevnodes" },
145 #define X_ACTIVEVNODES 5
146 { .n_name = "_activevnodes" },
147 #define X_NUMDIRTYBUFFERS 6
148 { .n_name = "_dirtybufspace" },
149 { .n_name = "" },
150 };
151
152 /*
153 * These constants define where the major pieces are laid out
154 */
155 #define STATROW 0 /* uses 1 row and 68 cols */
156 #define STATCOL 2
157 #define MEMROW 2 /* uses 4 rows and 31 cols */
158 #define MEMCOL 0
159 #define PAGEROW 2 /* uses 4 rows and 26 cols */
160 #define PAGECOL 46
161 #define INTSROW 6 /* uses all rows to bottom and 17 cols */
162 #define INTSCOL 61
163 #define PROCSROW 7 /* uses 2 rows and 20 cols */
164 #define PROCSCOL 0
165 #define GENSTATROW 7 /* uses 2 rows and 30 cols */
166 #define GENSTATCOL 16
167 #define VMSTATROW 6 /* uses 17 rows and 12 cols */
168 #define VMSTATCOL 50
169 #define GRAPHROW 10 /* uses 3 rows and 51 cols */
170 #define GRAPHCOL 0
171 #define NAMEIROW 14 /* uses 3 rows and 38 cols */
172 #define NAMEICOL 0
173 #define EXECROW 14 /* uses 2 rows and 5 cols */
174 #define EXECCOL 38
175 #define DISKROW 17 /* uses 6 rows and 50 cols (for 9 drives) */
176 #define DISKCOL 0
177
178 #define DRIVESPACE 7 /* max # for space */
179
180 #define MAXDRIVES DRIVESPACE /* max # to display */
181
182 int
183 initkre(void)
184 {
185 char *intrnamebuf;
186 size_t bytes;
187 size_t b;
188 size_t i;
189
190 if (namelist[0].n_type == 0) {
191 if (kvm_nlist(kd, namelist)) {
192 nlisterr(namelist);
193 return(0);
194 }
195 if (namelist[0].n_type == 0) {
196 error("No namelist");
197 return(0);
198 }
199 }
200
201 if ((num_devices = getnumdevs()) < 0) {
202 warnx("%s", devstat_errbuf);
203 return(0);
204 }
205
206 cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
207 last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
208 run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
209 bzero(cur.dinfo, sizeof(struct devinfo));
210 bzero(last.dinfo, sizeof(struct devinfo));
211 bzero(run.dinfo, sizeof(struct devinfo));
212
213 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
214 return(0);
215
216 if (nintr == 0) {
217 if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) {
218 intrnamebuf = malloc(bytes);
219 sysctlbyname("hw.intrnames", intrnamebuf, &bytes,
220 NULL, 0);
221 for (i = 0; i < bytes; ++i) {
222 if (intrnamebuf[i] == 0)
223 ++nintr;
224 }
225 intrname = malloc(nintr * sizeof(char *));
226 intrloc = malloc(nintr * sizeof(*intrloc));
227 nintr = 0;
228 for (b = i = 0; i < bytes; ++i) {
229 if (intrnamebuf[i] == 0) {
230 intrname[nintr] = intrnamebuf + b;
231 intrloc[nintr] = 0;
232 b = i + 1;
233 ++nintr;
234 }
235 }
236 }
237 nextintsrow = INTSROW + 2;
238 allocinfo(&s);
239 allocinfo(&s1);
240 allocinfo(&s2);
241 allocinfo(&z);
242 }
243 getinfo(&s2);
244 copyinfo(&s2, &s1);
245 return(1);
246 }
247
248 void
249 fetchkre(void)
250 {
251 time_t now;
252 struct tm *tp;
253 static int d_first = -1;
254
255 if (d_first < 0)
256 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
257
258 time(&now);
259 tp = localtime(&now);
260 (void) strftime(buf, sizeof(buf),
261 d_first ? "%e %b %R" : "%b %e %R", tp);
262 getinfo(&s);
263 }
264
265 void
266 labelkre(void)
267 {
268 int i, j;
269
270 clear();
271 mvprintw(STATROW, STATCOL + 4, "users Load");
272 mvprintw(MEMROW, MEMCOL, "Mem: REAL VIRTUAL");
273 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
274 mvprintw(MEMROW + 2, MEMCOL, "Act");
275 mvprintw(MEMROW + 3, MEMCOL, "All");
276
277 mvprintw(MEMROW + 1, MEMCOL + 36, "Free");
278
279 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER ");
280 mvprintw(PAGEROW + 1, PAGECOL, " in out in out ");
281 mvprintw(PAGEROW + 2, PAGECOL, "count");
282 mvprintw(PAGEROW + 3, PAGECOL, "pages");
283
284 mvprintw(INTSROW, INTSCOL + 3, " Interrupts");
285 mvprintw(INTSROW + 1, INTSCOL + 9, "total");
286
287 mvprintw(VMSTATROW + 1, VMSTATCOL + 8, "cow");
288 mvprintw(VMSTATROW + 2, VMSTATCOL + 8, "wire");
289 mvprintw(VMSTATROW + 3, VMSTATCOL + 8, "act");
290 mvprintw(VMSTATROW + 4, VMSTATCOL + 8, "inact");
291 mvprintw(VMSTATROW + 5, VMSTATCOL + 8, "cache");
292 mvprintw(VMSTATROW + 6, VMSTATCOL + 8, "free");
293 mvprintw(VMSTATROW + 7, VMSTATCOL + 8, "daefr");
294 mvprintw(VMSTATROW + 8, VMSTATCOL + 8, "prcfr");
295 mvprintw(VMSTATROW + 9, VMSTATCOL + 8, "react");
296 mvprintw(VMSTATROW + 10, VMSTATCOL + 8, "pdwake");
297 mvprintw(VMSTATROW + 11, VMSTATCOL + 8, "pdpgs");
298 mvprintw(VMSTATROW + 12, VMSTATCOL + 8, "intrn");
299 mvprintw(VMSTATROW + 13, VMSTATCOL + 8, "buf");
300 mvprintw(VMSTATROW + 14, VMSTATCOL + 8, "dirtybuf");
301
302 mvprintw(VMSTATROW + 15, VMSTATCOL + 8, "activ-vp");
303 mvprintw(VMSTATROW + 16, VMSTATCOL + 8, "cachd-vp");
304 mvprintw(VMSTATROW + 17, VMSTATCOL + 8, "inact-vp");
305
306 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
307
308 mvprintw(GRAPHROW, GRAPHCOL,
309 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
310 mvprintw(PROCSROW, PROCSCOL, " r p d s");
311 mvprintw(GRAPHROW + 1, GRAPHCOL,
312 "| | | | | | | | | | |");
313
314 mvprintw(NAMEIROW, NAMEICOL, "Path-lookups hits %% Components");
315 mvprintw(EXECROW, EXECCOL, "Execs");
316 mvprintw(DISKROW, DISKCOL, "Disks");
317 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
318 mvprintw(DISKROW + 2, DISKCOL, "tpr/s");
319 mvprintw(DISKROW + 3, DISKCOL, "MBr/s");
320 mvprintw(DISKROW + 4, DISKCOL, "tpw/s");
321 mvprintw(DISKROW + 5, DISKCOL, "MBw/s");
322 mvprintw(DISKROW + 6, DISKCOL, "%% busy");
323 /*
324 * For now, we don't support a fourth disk statistic. So there's
325 * no point in providing a label for it. If someone can think of a
326 * fourth useful disk statistic, there is room to add it.
327 */
328 j = 0;
329 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
330 if (dev_select[i].selected) {
331 char tmpstr[80];
332 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
333 dev_select[i].unit_number);
334 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
335 " %5.5s", tmpstr);
336 j++;
337 }
338
339 if (j <= 4) {
340 /*
341 * room for extended VM stats
342 */
343 mvprintw(VMSTATROW + 11, VMSTATCOL - 6, "zfod");
344 mvprintw(VMSTATROW + 12, VMSTATCOL - 6, "ozfod");
345 mvprintw(VMSTATROW + 13, VMSTATCOL - 6, "%%sloz");
346 mvprintw(VMSTATROW + 14, VMSTATCOL - 6, "tfree");
347 extended_vm_stats = 1;
348 } else {
349 extended_vm_stats = 0;
350 mvprintw(VMSTATROW + 0, VMSTATCOL + 8, "zfod");
351 }
352
353 for (i = 0; i < nintr; i++) {
354 if (intrloc[i] == 0)
355 continue;
356 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s", intrname[i]);
357 }
358 }
359
360 #define CP_UPDATE(fld) do { \
361 uint64_t lt; \
362 lt=s.fld; \
363 s.fld-=s1.fld; \
364 if(state==TIME) \
365 s1.fld=lt; \
366 lt=fld; \
367 fld-=old_##fld; \
368 if(state==TIME) \
369 old_##fld=lt; \
370 etime += s.fld; \
371 } while(0)
372 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
373 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
374 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
375 if(state == TIME) s1.nchstats.fld = t;}
376 #define PUTRATE(fld, l, c, w) \
377 Y(fld); \
378 put64((int64_t)((float)s.fld/etime + 0.5), l, c, w, 'D')
379 #define MAXFAIL 5
380
381 #define CPUSTATES 5
382 static const char cpuchar[5] = { '=' , '+', '>', '-', ' ' };
383
384 static const size_t cpuoffsets[] = {
385 offsetof(struct kinfo_cputime, cp_sys),
386 offsetof(struct kinfo_cputime, cp_intr),
387 offsetof(struct kinfo_cputime, cp_user),
388 offsetof(struct kinfo_cputime, cp_nice),
389 offsetof(struct kinfo_cputime, cp_idle)
390 };
391
392 void
393 showkre(void)
394 {
395 float f1, f2;
396 int psiz;
397 int i, lc;
398 long inttotal;
399 long l;
400 static int failcnt = 0;
401 double total_time;
402
403 etime = 0;
404 CP_UPDATE(cp_time.cp_user);
405 CP_UPDATE(cp_time.cp_nice);
406 CP_UPDATE(cp_time.cp_sys);
407 CP_UPDATE(cp_time.cp_intr);
408 CP_UPDATE(cp_time.cp_idle);
409
410 total_time = etime;
411 if (total_time == 0.0)
412 total_time = 1.0;
413
414 if (etime < 100000.0) { /* < 100ms ignore this trash */
415 if (failcnt++ >= MAXFAIL) {
416 clear();
417 mvprintw(2, 10, "The alternate system clock has died!");
418 mvprintw(3, 10, "Reverting to ``pigs'' display.");
419 move(CMDLINE, 0);
420 refresh();
421 failcnt = 0;
422 sleep(5);
423 command("pigs");
424 }
425 return;
426 }
427 failcnt = 0;
428 etime /= 1000000.0;
429 etime /= ncpu;
430 if (etime == 0)
431 etime = 1;
432 inttotal = 0;
433 for (i = 0; i < nintr; i++) {
434 if (s.intrcnt[i] == 0)
435 continue;
436 if (intrloc[i] == 0) {
437 if (nextintsrow == LINES)
438 continue;
439 intrloc[i] = nextintsrow++;
440 mvprintw(intrloc[i], INTSCOL + 9, "%-10.10s",
441 intrname[i]);
442 }
443 X(intrcnt);
444 l = (long)((float)s.intrcnt[i]/etime + 0.5);
445 inttotal += l;
446 put64(l, intrloc[i], INTSCOL + 2, 6, 'D');
447 }
448 put64(inttotal, INTSROW + 1, INTSCOL + 2, 6, 'D');
449 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
450 Z(ncs_longhits); Z(ncs_longmiss); Z(ncs_neghits);
451 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
452 nchtotal.ncs_miss + nchtotal.ncs_neghits;
453 s.nchpathcount = nchtotal.ncs_longhits + nchtotal.ncs_longmiss;
454 if (state == TIME) {
455 s1.nchcount = s.nchcount;
456 s1.nchpathcount = s.nchpathcount;
457 }
458
459 psiz = 0;
460 f2 = 0.0;
461 for (lc = 0; lc < CPUSTATES; lc++) {
462 uint64_t val = *(uint64_t *)(((uint8_t *)&s.cp_time) +
463 cpuoffsets[lc]);
464 f1 = 100.0 * val / total_time;
465 f2 += f1;
466 l = (int) ((f2 + 1.0) / 2.0) - psiz;
467 if (f1 > 99.9)
468 f1 = 99.9; /* no room to display 100.0 */
469 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
470 move(GRAPHROW + 2, psiz);
471 psiz += l;
472 while (l-- > 0)
473 addch(cpuchar[lc]);
474 }
475
476 put64(ucount(), STATROW, STATCOL, 3, 'D');
477 putfloat(avenrun[0], STATROW, STATCOL + 18, 6, 2, 0);
478 putfloat(avenrun[1], STATROW, STATCOL + 25, 6, 2, 0);
479 putfloat(avenrun[2], STATROW, STATCOL + 32, 6, 2, 0);
480 mvaddstr(STATROW, STATCOL + 53, buf);
481 #define pgtokb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / 1024)
482 #define pgtomb(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size / (1024 * 1024))
483 #define pgtob(pg) (int64_t)((intmax_t)(pg) * vms.v_page_size)
484 put64(pgtob(total.t_arm), MEMROW + 2, MEMCOL + 4, 6, 0);
485 put64(pgtob(total.t_armshr), MEMROW + 2, MEMCOL + 11, 6, 0);
486 put64(pgtob(total.t_avm), MEMROW + 2, MEMCOL + 19, 6, 0);
487 put64(pgtob(total.t_avmshr), MEMROW + 2, MEMCOL + 26, 6, 0);
488 put64(pgtob(total.t_rm), MEMROW + 3, MEMCOL + 4, 6, 0);
489 put64(pgtob(total.t_rmshr), MEMROW + 3, MEMCOL + 11, 6, 0);
490 put64(pgtob(total.t_vm), MEMROW + 3, MEMCOL + 19, 6, 0);
491 put64(pgtob(total.t_vmshr), MEMROW + 3, MEMCOL + 26, 6, 0);
492 put64(pgtob(total.t_free), MEMROW + 2, MEMCOL + 34, 6, 0);
493 put64(total.t_rq - 1, PROCSROW + 1, PROCSCOL + 0, 4, 'D');
494 put64(total.t_pw, PROCSROW + 1, PROCSCOL + 4, 4, 'D');
495 put64(total.t_dw, PROCSROW + 1, PROCSCOL + 8, 4, 'D');
496 put64(total.t_sl, PROCSROW + 1, PROCSCOL + 12, 4, 'D');
497 /*put64(total.t_sw, PROCSROW + 1, PROCSCOL + 12, 3, 'D');*/
498 if (extended_vm_stats == 0) {
499 PUTRATE(Vmm.v_zfod, VMSTATROW + 0, VMSTATCOL, 7);
500 }
501 PUTRATE(Vmm.v_cow_faults, VMSTATROW + 1, VMSTATCOL, 7);
502 put64(pgtob(vms.v_wire_count), VMSTATROW + 2, VMSTATCOL, 7, 0);
503 put64(pgtob(vms.v_active_count), VMSTATROW + 3, VMSTATCOL, 7, 0);
504 put64(pgtob(vms.v_inactive_count), VMSTATROW + 4, VMSTATCOL, 7, 0);
505 put64(pgtob(vms.v_cache_count), VMSTATROW + 5, VMSTATCOL, 7, 0);
506 put64(pgtob(vms.v_free_count), VMSTATROW + 6, VMSTATCOL, 7, 0);
507 PUTRATE(Vmm.v_dfree, VMSTATROW + 7, VMSTATCOL, 7);
508 PUTRATE(Vmm.v_pfree, VMSTATROW + 8, VMSTATCOL, 7);
509 PUTRATE(Vmm.v_reactivated, VMSTATROW + 9, VMSTATCOL, 7);
510 PUTRATE(Vmm.v_pdwakeups, VMSTATROW + 10, VMSTATCOL, 7);
511 PUTRATE(Vmm.v_pdpages, VMSTATROW + 11, VMSTATCOL, 7);
512 PUTRATE(Vmm.v_intrans, VMSTATROW + 12, VMSTATCOL, 7);
513
514 if (extended_vm_stats) {
515 PUTRATE(Vmm.v_zfod, VMSTATROW + 11, VMSTATCOL - 16, 9);
516 PUTRATE(Vmm.v_ozfod, VMSTATROW + 12, VMSTATCOL - 16, 9);
517 #define nz(x) ((x) ? (x) : 1)
518 put64((s.Vmm.v_zfod - s.Vmm.v_ozfod) * 100 / nz(s.Vmm.v_zfod),
519 VMSTATROW + 13, VMSTATCOL - 16, 9, 'D');
520 #undef nz
521 PUTRATE(Vmm.v_tfree, VMSTATROW + 14, VMSTATCOL - 16, 9);
522 }
523
524 put64(s.bufspace, VMSTATROW + 13, VMSTATCOL, 7, 0);
525 put64(s.dirtybufspace/1024, VMSTATROW + 14, VMSTATCOL, 7, 'k');
526 put64(s.activevnodes, VMSTATROW + 15, VMSTATCOL, 7, 'D');
527 put64(s.cachedvnodes, VMSTATROW + 16, VMSTATCOL, 7, 'D');
528 put64(s.inactivevnodes, VMSTATROW + 17, VMSTATCOL, 7, 'D');
529 PUTRATE(Vmm.v_vnodein, PAGEROW + 2, PAGECOL + 6, 4);
530 PUTRATE(Vmm.v_vnodeout, PAGEROW + 2, PAGECOL + 11, 4);
531 PUTRATE(Vmm.v_swapin, PAGEROW + 2, PAGECOL + 18, 4);
532 PUTRATE(Vmm.v_swapout, PAGEROW + 2, PAGECOL + 23, 4);
533 PUTRATE(Vmm.v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 4);
534 PUTRATE(Vmm.v_vnodepgsout, PAGEROW + 3, PAGECOL + 11, 4);
535 PUTRATE(Vmm.v_swappgsin, PAGEROW + 3, PAGECOL + 18, 4);
536 PUTRATE(Vmm.v_swappgsout, PAGEROW + 3, PAGECOL + 23, 4);
537 PUTRATE(Vmm.v_swtch, GENSTATROW + 1, GENSTATCOL + 1, 4);
538 PUTRATE(Vmm.v_trap, GENSTATROW + 1, GENSTATCOL + 6, 4);
539 PUTRATE(Vmm.v_syscall, GENSTATROW + 1, GENSTATCOL + 11, 4);
540 PUTRATE(Vmm.v_intr, GENSTATROW + 1, GENSTATCOL + 16, 4);
541 PUTRATE(Vmm.v_soft, GENSTATROW + 1, GENSTATCOL + 21, 4);
542 PUTRATE(Vmm.v_vm_faults, GENSTATROW + 1, GENSTATCOL + 26, 4);
543 mvprintw(DISKROW, DISKCOL + 5, " ");
544 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
545 if (dev_select[i].selected) {
546 char tmpstr[80];
547 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
548 dev_select[i].unit_number);
549 mvprintw(DISKROW, DISKCOL + 5 + 6 * lc,
550 " %5.5s", tmpstr);
551 switch(state) {
552 case TIME:
553 dinfo(i, ++lc, &cur, &last);
554 break;
555 case RUN:
556 dinfo(i, ++lc, &cur, &run);
557 break;
558 case BOOT:
559 dinfo(i, ++lc, &cur, NULL);
560 break;
561 }
562 }
563 #define nz(x) ((x) ? (x) : 1)
564 put64(s.nchpathcount, NAMEIROW + 1, NAMEICOL + 6, 6, 'D');
565 PUTRATE(Vmm.v_exec, EXECROW + 1, EXECCOL, 5);
566 put64(nchtotal.ncs_longhits, NAMEIROW + 1, NAMEICOL + 13, 6, 'D');
567 putfloat(nchtotal.ncs_longhits * 100.0 / nz(s.nchpathcount),
568 NAMEIROW + 1, NAMEICOL + 19, 4, 0, 0);
569
570 putfloat((double)s.nchcount / nz(s.nchpathcount),
571 NAMEIROW + 1, NAMEICOL + 27, 5, 2, 1);
572 #undef nz
573 }
574
575 int
576 cmdkre(const char *cmd, char *args)
577 {
578 int retval;
579
580 if (prefix(cmd, "run")) {
581 retval = 1;
582 copyinfo(&s2, &s1);
583 switch (getdevs(&run)) {
584 case -1:
585 errx(1, "%s", devstat_errbuf);
586 break;
587 case 1:
588 num_devices = run.dinfo->numdevs;
589 generation = run.dinfo->generation;
590 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
591 if (retval == 2)
592 labelkre();
593 break;
594 default:
595 break;
596 }
597 state = RUN;
598 return (retval);
599 }
600 if (prefix(cmd, "boot")) {
601 state = BOOT;
602 copyinfo(&z, &s1);
603 return (1);
604 }
605 if (prefix(cmd, "time")) {
606 state = TIME;
607 return (1);
608 }
609 if (prefix(cmd, "zero")) {
610 retval = 1;
611 if (state == RUN) {
612 getinfo(&s1);
613 switch (getdevs(&run)) {
614 case -1:
615 errx(1, "%s", devstat_errbuf);
616 break;
617 case 1:
618 num_devices = run.dinfo->numdevs;
619 generation = run.dinfo->generation;
620 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
621 if (retval == 2)
622 labelkre();
623 break;
624 default:
625 break;
626 }
627 }
628 return (retval);
629 }
630 retval = dscmd(cmd, args, MAXDRIVES, &cur);
631
632 if (retval == 2)
633 labelkre();
634
635 return(retval);
636 }
637
638 /* calculate number of users on the system */
639 static int
640 ucount(void)
641 {
642 struct utmpentry *ep;
643 int nusers = 0;
644
645 getutentries(NULL, &ep);
646 for (; ep; ep = ep->next)
647 nusers++;
648
649 return (nusers);
650 }
651
652 static void
653 put64(intmax_t n, int l, int lc, int w, int type)
654 {
655 char b[128];
656 int isneg;
657 int i;
658 int64_t d;
659 int64_t u;
660
661 move(l, lc);
662 if (n == 0) {
663 while (w-- > 0)
664 addch(' ');
665 return;
666 }
667 if (type == 0 || type == 'D')
668 snprintf(b, sizeof(b), "%*jd", w, n);
669 else
670 snprintf(b, sizeof(b), "%*jd%c", w - 1, n, type);
671 if (strlen(b) <= (size_t)w) {
672 addstr(b);
673 return;
674 }
675
676 if (type == 'D')
677 u = 1000;
678 else
679 u = 1024;
680 if (n < 0) {
681 n = -n;
682 isneg = 1;
683 } else {
684 isneg = 0;
685 }
686
687 for (d = 1; n / d >= 1000; d *= u) {
688 switch(type) {
689 case 'D':
690 case 0:
691 type = 'k';
692 break;
693 case 'k':
694 type = 'M';
695 break;
696 case 'M':
697 type = 'G';
698 break;
699 case 'G':
700 type = 'T';
701 break;
702 case 'T':
703 type = 'X';
704 break;
705 default:
706 type = '?';
707 break;
708 }
709 }
710
711 i = w - isneg;
712 if (n / d >= 100)
713 i -= 3;
714 else if (n / d >= 10)
715 i -= 2;
716 else
717 i -= 1;
718 if (i > 4) {
719 snprintf(b + 64, sizeof(b) - 64, "%jd.%03jd%c",
720 n / d, n / (d / 1000) % 1000, type);
721 } else if (i > 3) {
722 snprintf(b + 64, sizeof(b) - 64, "%jd.%02jd%c",
723 n / d, n / (d / 100) % 100, type);
724 } else if (i > 2) {
725 snprintf(b + 64, sizeof(b) - 64, "%jd.%01jd%c",
726 n / d, n / (d / 10) % 10, type);
727 } else {
728 snprintf(b + 64, sizeof(b) - 64, "%jd%c",
729 n / d, type);
730 }
731 w -= strlen(b + 64);
732 i = 64;
733 if (isneg) {
734 b[--i] = '-';
735 --w;
736 }
737 while (w > 0) {
738 --w;
739 b[--i] = ' ';
740 }
741 addstr(b + i);
742 }
743
744 static void
745 putfloat(double f, int l, int lc, int w, int d, int nz)
746 {
747 char b[128];
748
749 move(l, lc);
750 if (nz && f == 0.0) {
751 while (--w >= 0)
752 addch(' ');
753 return;
754 }
755 snprintf(b, sizeof(b), "%*.*f", w, d, f);
756 if (strlen(b) > (size_t)w)
757 snprintf(b, sizeof(b), "%*.0f", w, f);
758 if (strlen(b) > (size_t)w) {
759 while (--w >= 0)
760 addch('*');
761 return;
762 }
763 addstr(b);
764 }
765
766 static void
767 putlongdouble(long double f, int l, int lc, int w, int d, int nz)
768 {
769 char b[128];
770
771 move(l, lc);
772 if (nz && f == 0.0) {
773 while (--w >= 0)
774 addch(' ');
775 return;
776 }
777 sprintf(b, "%*.*Lf", w, d, f);
778 if (strlen(b) > (size_t)w)
779 sprintf(b, "%*.0Lf", w, f);
780 if (strlen(b) > (size_t)w) {
781 while (--w >= 0)
782 addch('*');
783 return;
784 }
785 addstr(b);
786 }
787
788 static void
789 putlongdoublez(long double f, int l, int lc, int w, int d, int nz)
790 {
791 char b[128];
792
793 if (f == 0.0) {
794 move(l, lc);
795 sprintf(b, "%*.*s", w, w, "");
796 addstr(b);
797 } else {
798 putlongdouble(f, l, lc, w, d, nz);
799 }
800 }
801
802 static void
803 getinfo(struct Info *ls)
804 {
805 struct devinfo *tmp_dinfo;
806 struct nchstats *nch_tmp;
807 size_t size;
808 size_t vms_size = sizeof(ls->Vms);
809 size_t vmm_size = sizeof(ls->Vmm);
810 size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU;
811
812 if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) {
813 perror("sysctlbyname: vm.vmstats");
814 exit(1);
815 }
816 if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) {
817 perror("sysctlbyname: vm.vmstats");
818 exit(1);
819 }
820
821 if (kinfo_get_sched_cputime(&ls->cp_time))
822 err(1, "kinfo_get_sched_cputime");
823 if (kinfo_get_sched_cputime(&cp_time))
824 err(1, "kinfo_get_sched_cputime");
825 NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace));
826 NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes));
827 NREAD(X_CACHEDVNODES, &ls->cachedvnodes, sizeof(ls->cachedvnodes));
828 NREAD(X_INACTIVEVNODES, &ls->inactivevnodes,
829 sizeof(ls->inactivevnodes));
830 NREAD(X_ACTIVEVNODES, &ls->activevnodes, sizeof(ls->activevnodes));
831 NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace));
832
833 if (nintr) {
834 size = nintr * sizeof(ls->intrcnt[0]);
835 sysctlbyname("hw.intrcnt_all", ls->intrcnt, &size, NULL, 0);
836 }
837 size = sizeof(ls->Total);
838 if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) {
839 error("Can't get kernel info: %s\n", strerror(errno));
840 bzero(&ls->Total, sizeof(ls->Total));
841 }
842
843 if ((nch_tmp = malloc(nch_size)) == NULL) {
844 perror("malloc");
845 exit(1);
846 } else {
847 if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) {
848 perror("sysctlbyname vfs.cache.nchstats");
849 free(nch_tmp);
850 exit(1);
851 } else {
852 if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) {
853 perror("realloc");
854 exit(1);
855 }
856 }
857 }
858
859 if (kinfo_get_cpus(&ncpu))
860 err(1, "kinfo_get_cpus");
861 kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu);
862 free(nch_tmp);
863
864 tmp_dinfo = last.dinfo;
865 last.dinfo = cur.dinfo;
866 cur.dinfo = tmp_dinfo;
867
868 last.busy_time = cur.busy_time;
869 switch (getdevs(&cur)) {
870 case -1:
871 errx(1, "%s", devstat_errbuf);
872 break;
873 case 1:
874 num_devices = cur.dinfo->numdevs;
875 generation = cur.dinfo->generation;
876 cmdkre("refresh", NULL);
877 break;
878 default:
879 break;
880 }
881 }
882
883 static void
884 allocinfo(struct Info *ls)
885 {
886 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
887 if (ls->intrcnt == NULL)
888 errx(2, "out of memory");
889 }
890
891 static void
892 copyinfo(struct Info *from, struct Info *to)
893 {
894 long *intrcnt;
895
896 /*
897 * time, wds, seek, and xfer are malloc'd so we have to
898 * save the pointers before the structure copy and then
899 * copy by hand.
900 */
901 intrcnt = to->intrcnt;
902 *to = *from;
903
904 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
905 }
906
907 static void
908 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
909 {
910 long double kb_per_transfer;
911 long double transfers_per_secondr;
912 long double transfers_per_secondw;
913 long double mb_per_secondr;
914 long double mb_per_secondw;
915 long double elapsed_time, device_busy;
916 int di;
917
918 di = dev_select[dn].position;
919
920 elapsed_time = compute_etime(now->busy_time, then ?
921 then->busy_time :
922 now->dinfo->devices[di].dev_creation_time);
923
924 device_busy = compute_etime(now->dinfo->devices[di].busy_time, then ?
925 then->dinfo->devices[di].busy_time :
926 now->dinfo->devices[di].dev_creation_time);
927
928 if (compute_stats(
929 &now->dinfo->devices[di],
930 (then ? &then->dinfo->devices[di] : NULL),
931 elapsed_time,
932 NULL, NULL, NULL,
933 &kb_per_transfer,
934 NULL,
935 NULL,
936 NULL, NULL) != 0)
937 errx(1, "%s", devstat_errbuf);
938
939 if (compute_stats_read(
940 &now->dinfo->devices[di],
941 (then ? &then->dinfo->devices[di] : NULL),
942 elapsed_time,
943 NULL, NULL, NULL,
944 NULL,
945 &transfers_per_secondr,
946 &mb_per_secondr,
947 NULL, NULL) != 0)
948 errx(1, "%s", devstat_errbuf);
949
950 if (compute_stats_write(
951 &now->dinfo->devices[di],
952 (then ? &then->dinfo->devices[di] : NULL),
953 elapsed_time,
954 NULL, NULL, NULL,
955 NULL,
956 &transfers_per_secondw,
957 &mb_per_secondw,
958 NULL, NULL) != 0)
959 errx(1, "%s", devstat_errbuf);
960
961 #if 0
962 /*
963 * Remove this hack, it no longer works properly and will
964 * report 100% busy in situations where the device is able
965 * to respond to the requests faster than the busy counter's
966 * granularity.
967 */
968 if ((device_busy == 0) &&
969 (transfers_per_secondr > 5 || transfers_per_secondw > 5)) {
970 /* the device has been 100% busy, fake it because
971 * as long as the device is 100% busy the busy_time
972 * field in the devstat struct is not updated */
973 device_busy = elapsed_time;
974 }
975 #endif
976 if (device_busy > elapsed_time) {
977 /* this normally happens after one or more periods
978 * where the device has been 100% busy, correct it */
979 device_busy = elapsed_time;
980 }
981
982 lc = DISKCOL + lc * 6;
983 putlongdoublez(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
984 putlongdoublez(transfers_per_secondr, DISKROW + 2, lc, 5, 0, 0);
985 putlongdoublez(mb_per_secondr, DISKROW + 3, lc, 5, 2, 0);
986 putlongdoublez(transfers_per_secondw, DISKROW + 4, lc, 5, 0, 0);
987 putlongdoublez(mb_per_secondw, DISKROW + 5, lc, 5, 2, 0);
988 putlongdouble(device_busy * 100 / elapsed_time,
989 DISKROW + 6, lc, 5, 0, 0);
990 }
DragonFly BSD