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 * 4. 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 #include <sys/cdefs.h>
31
32 __FBSDID("$FreeBSD: stable/10/usr.bin/systat/vmstat.c 288163 2015-09-24 00:50:17Z delphij $");
33
34 #ifdef lint
35 static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
36 #endif
37
38 /*
39 * Cursed vmstat -- from Robert Elz.
40 */
41
42 #include <sys/param.h>
43 #include <sys/stat.h>
44 #include <sys/time.h>
45 #include <sys/proc.h>
46 #include <sys/uio.h>
47 #include <sys/namei.h>
48 #include <sys/resource.h>
49 #include <sys/sysctl.h>
50 #include <sys/vmmeter.h>
51
52 #include <vm/vm_param.h>
53
54 #include <ctype.h>
55 #include <err.h>
56 #include <errno.h>
57 #include <langinfo.h>
58 #include <nlist.h>
59 #include <paths.h>
60 #include <signal.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #include <time.h>
64 #include <unistd.h>
65 #include <utmpx.h>
66 #include <devstat.h>
67 #include "systat.h"
68 #include "extern.h"
69 #include "devs.h"
70
71 static struct Info {
72 long time[CPUSTATES];
73 u_int v_swtch; /* context switches */
74 u_int v_trap; /* calls to trap */
75 u_int v_syscall; /* calls to syscall() */
76 u_int v_intr; /* device interrupts */
77 u_int v_soft; /* software interrupts */
78 /*
79 * Virtual memory activity.
80 */
81 u_int v_vm_faults; /* number of address memory faults */
82 u_int v_io_faults; /* page faults requiring I/O */
83 u_int v_cow_faults; /* number of copy-on-writes */
84 u_int v_zfod; /* pages zero filled on demand */
85 u_int v_ozfod; /* optimized zero fill pages */
86 u_int v_swapin; /* swap pager pageins */
87 u_int v_swapout; /* swap pager pageouts */
88 u_int v_swappgsin; /* swap pager pages paged in */
89 u_int v_swappgsout; /* swap pager pages paged out */
90 u_int v_vnodein; /* vnode pager pageins */
91 u_int v_vnodeout; /* vnode pager pageouts */
92 u_int v_vnodepgsin; /* vnode_pager pages paged in */
93 u_int v_vnodepgsout; /* vnode pager pages paged out */
94 u_int v_intrans; /* intransit blocking page faults */
95 u_int v_reactivated; /* number of pages reactivated from free list */
96 u_int v_pdwakeups; /* number of times daemon has awaken from sleep */
97 u_int v_pdpages; /* number of pages analyzed by daemon */
98
99 u_int v_dfree; /* pages freed by daemon */
100 u_int v_pfree; /* pages freed by exiting processes */
101 u_int v_tfree; /* total pages freed */
102 /*
103 * Distribution of page usages.
104 */
105 u_int v_page_size; /* page size in bytes */
106 u_int v_free_count; /* number of pages free */
107 u_int v_wire_count; /* number of pages wired down */
108 u_int v_active_count; /* number of pages active */
109 u_int v_inactive_count; /* number of pages inactive */
110 u_int v_cache_count; /* number of pages on buffer cache queue */
111 struct vmtotal Total;
112 struct nchstats nchstats;
113 long nchcount;
114 long *intrcnt;
115 long bufspace;
116 int desiredvnodes;
117 long numvnodes;
118 long freevnodes;
119 int numdirtybuffers;
120 } s, s1, s2, z;
121
122 struct statinfo cur, last, run;
123
124 #define total s.Total
125 #define nchtotal s.nchstats
126 #define oldnchtotal s1.nchstats
127
128 static enum state { BOOT, TIME, RUN } state = TIME;
129
130 static void allocinfo(struct Info *);
131 static void copyinfo(struct Info *, struct Info *);
132 static float cputime(int);
133 static void dinfo(int, int, struct statinfo *, struct statinfo *);
134 static void getinfo(struct Info *);
135 static void putint(int, int, int, int);
136 static void putfloat(double, int, int, int, int, int);
137 static void putlongdouble(long double, int, int, int, int, int);
138 static int ucount(void);
139
140 static int ncpu;
141 static char buf[26];
142 static time_t t;
143 static double etime;
144 static int nintr;
145 static long *intrloc;
146 static char **intrname;
147 static int nextintsrow;
148
149 WINDOW *
openkre(void)150 openkre(void)
151 {
152
153 return (stdscr);
154 }
155
156 void
closekre(WINDOW * w)157 closekre(WINDOW *w)
158 {
159
160 if (w == NULL)
161 return;
162 wclear(w);
163 wrefresh(w);
164 }
165
166 /*
167 * These constants define where the major pieces are laid out
168 */
169 #define STATROW 0 /* uses 1 row and 67 cols */
170 #define STATCOL 0
171 #define MEMROW 2 /* uses 4 rows and 45 cols */
172 #define MEMCOL 0
173 #define PAGEROW 2 /* uses 4 rows and 30 cols */
174 #define PAGECOL 47
175 #define INTSROW 6 /* uses all rows to bottom and 16 cols */
176 #define INTSCOL 64
177 #define PROCSROW 6 /* uses 3 rows and 19 cols */
178 #define PROCSCOL 0
179 #define GENSTATROW 7 /* uses 2 rows and 29 cols */
180 #define GENSTATCOL 21
181 #define VMSTATROW 7 /* uses 17 rows and 12-14 cols */
182 #define VMSTATCOL 49 /* actually 50-51 for some fields */
183 #define GRAPHROW 10 /* uses 3 rows and 49-51 cols */
184 #define GRAPHCOL 0
185 #define VNSTATROW 13 /* uses 4 rows and 13 columns */
186 #define VNSTATCOL 35
187 #define NAMEIROW 14 /* uses 3 rows and 32 cols */
188 #define NAMEICOL 0
189 #define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
190 #define DISKCOL 0
191
192 #define DRIVESPACE 7 /* max # for space */
193
194 #define MAXDRIVES DRIVESPACE /* max # to display */
195
196 int
initkre(void)197 initkre(void)
198 {
199 char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
200 int i;
201 size_t sz;
202
203 if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
204 warnx("%s", devstat_errbuf);
205 return(0);
206 }
207
208 cur.dinfo = calloc(1, sizeof(struct devinfo));
209 last.dinfo = calloc(1, sizeof(struct devinfo));
210 run.dinfo = calloc(1, sizeof(struct devinfo));
211
212 if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
213 return(0);
214
215 if (nintr == 0) {
216 if (sysctlbyname("hw.intrcnt", NULL, &sz, NULL, 0) == -1) {
217 error("sysctl(hw.intrcnt...) failed: %s",
218 strerror(errno));
219 return (0);
220 }
221 nintr = sz / sizeof(u_long);
222 intrloc = calloc(nintr, sizeof (long));
223 intrname = calloc(nintr, sizeof (char *));
224 intrnamebuf = sysctl_dynread("hw.intrnames", NULL);
225 if (intrnamebuf == NULL || intrname == NULL ||
226 intrloc == NULL) {
227 error("Out of memory");
228 if (intrnamebuf)
229 free(intrnamebuf);
230 if (intrname)
231 free(intrname);
232 if (intrloc)
233 free(intrloc);
234 nintr = 0;
235 return(0);
236 }
237 for (cp = intrnamebuf, i = 0; i < nintr; i++) {
238 nextcp = cp + strlen(cp) + 1;
239
240 /* Discard trailing spaces. */
241 for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; )
242 *--cp1 = '\0';
243
244 /* Convert "irqN: name" to "name irqN". */
245 if (strncmp(cp, "irq", 3) == 0) {
246 cp1 = cp + 3;
247 while (isdigit((u_char)*cp1))
248 cp1++;
249 if (cp1 != cp && *cp1 == ':' &&
250 *(cp1 + 1) == ' ') {
251 sz = strlen(cp);
252 *cp1 = '\0';
253 cp1 = cp1 + 2;
254 cp2 = strdup(cp);
255 bcopy(cp1, cp, sz - (cp1 - cp) + 1);
256 if (sz <= 10 + 4) {
257 strcat(cp, " ");
258 strcat(cp, cp2 + 3);
259 }
260 free(cp2);
261 }
262 }
263
264 /*
265 * Convert "name irqN" to "name N" if the former is
266 * longer than the field width.
267 */
268 if ((cp1 = strstr(cp, "irq")) != NULL &&
269 strlen(cp) > 10)
270 bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1);
271
272 intrname[i] = cp;
273 cp = nextcp;
274 }
275 nextintsrow = INTSROW + 2;
276 allocinfo(&s);
277 allocinfo(&s1);
278 allocinfo(&s2);
279 allocinfo(&z);
280 }
281 getinfo(&s2);
282 copyinfo(&s2, &s1);
283 return(1);
284 }
285
286 void
fetchkre(void)287 fetchkre(void)
288 {
289 time_t now;
290 struct tm *tp;
291 static int d_first = -1;
292
293 if (d_first < 0)
294 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
295
296 time(&now);
297 tp = localtime(&now);
298 (void) strftime(buf, sizeof(buf),
299 d_first ? "%e %b %R" : "%b %e %R", tp);
300 getinfo(&s);
301 }
302
303 void
labelkre(void)304 labelkre(void)
305 {
306 int i, j;
307
308 clear();
309 mvprintw(STATROW, STATCOL + 6, "users Load");
310 mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
311 mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
312 mvprintw(MEMROW + 2, MEMCOL, "Act");
313 mvprintw(MEMROW + 3, MEMCOL, "All");
314
315 mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
316
317 mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER");
318 mvprintw(PAGEROW + 1, PAGECOL, " in out in out");
319 mvprintw(PAGEROW + 2, PAGECOL, "count");
320 mvprintw(PAGEROW + 3, PAGECOL, "pages");
321
322 mvprintw(INTSROW, INTSCOL + 1, "Interrupts");
323 mvprintw(INTSROW + 1, INTSCOL + 6, "total");
324
325 mvprintw(VMSTATROW, VMSTATCOL + 9, "ioflt");
326 mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "cow");
327 mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "zfod");
328 mvprintw(VMSTATROW + 3, VMSTATCOL + 9, "ozfod");
329 mvprintw(VMSTATROW + 4, VMSTATCOL + 9 - 1, "%%ozfod");
330 mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "daefr");
331 mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "prcfr");
332 mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "totfr");
333 mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "react");
334 mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdwak");
335 mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "pdpgs");
336 mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "intrn");
337 mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "wire");
338 mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "act");
339 mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "inact");
340 mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "cache");
341 mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "free");
342 if (LINES - 1 > VMSTATROW + 17)
343 mvprintw(VMSTATROW + 17, VMSTATCOL + 9, "buf");
344
345 mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
346
347 mvprintw(GRAPHROW, GRAPHCOL,
348 " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
349 mvprintw(PROCSROW, PROCSCOL, "Proc:");
350 mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w");
351 mvprintw(GRAPHROW + 1, GRAPHCOL,
352 "| | | | | | | | | | |");
353
354 mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf");
355 mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn");
356 mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn");
357 mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn");
358
359 mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
360 mvprintw(NAMEIROW + 1, NAMEICOL,
361 " Calls hits %% hits %%");
362 mvprintw(DISKROW, DISKCOL, "Disks");
363 mvprintw(DISKROW + 1, DISKCOL, "KB/t");
364 mvprintw(DISKROW + 2, DISKCOL, "tps");
365 mvprintw(DISKROW + 3, DISKCOL, "MB/s");
366 mvprintw(DISKROW + 4, DISKCOL, "%%busy");
367 /*
368 * For now, we don't support a fourth disk statistic. So there's
369 * no point in providing a label for it. If someone can think of a
370 * fourth useful disk statistic, there is room to add it.
371 */
372 /* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
373 j = 0;
374 for (i = 0; i < num_devices && j < MAXDRIVES; i++)
375 if (dev_select[i].selected) {
376 char tmpstr[80];
377 sprintf(tmpstr, "%s%d", dev_select[i].device_name,
378 dev_select[i].unit_number);
379 mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
380 " %5.5s", tmpstr);
381 j++;
382 }
383
384 for (i = 0; i < nintr; i++) {
385 if (intrloc[i] == 0)
386 continue;
387 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]);
388 }
389 }
390
391 #define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
392 #define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
393 #define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
394 #define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
395 if(state == TIME) s1.nchstats.fld = t;}
396 #define PUTRATE(fld, l, c, w) \
397 do { \
398 Y(fld); \
399 putint((int)((float)s.fld/etime + 0.5), l, c, w); \
400 } while (0)
401 #define MAXFAIL 5
402
403 static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
404 static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
405 CP_IDLE };
406
407 void
showkre(void)408 showkre(void)
409 {
410 float f1, f2;
411 int psiz, inttotal;
412 int i, l, lc;
413 static int failcnt = 0;
414
415 etime = 0;
416 for(i = 0; i < CPUSTATES; i++) {
417 X(time);
418 Q(cp_time);
419 etime += s.time[i];
420 }
421 if (etime < 5.0) { /* < 5 ticks - ignore this trash */
422 if (failcnt++ >= MAXFAIL) {
423 clear();
424 mvprintw(2, 10, "The alternate system clock has died!");
425 mvprintw(3, 10, "Reverting to ``pigs'' display.");
426 move(CMDLINE, 0);
427 refresh();
428 failcnt = 0;
429 sleep(5);
430 command("pigs");
431 }
432 return;
433 }
434 failcnt = 0;
435 etime /= hertz;
436 etime /= ncpu;
437 inttotal = 0;
438 for (i = 0; i < nintr; i++) {
439 if (s.intrcnt[i] == 0)
440 continue;
441 X(intrcnt);
442 l = (int)((float)s.intrcnt[i]/etime + 0.5);
443 inttotal += l;
444 if (intrloc[i] == 0) {
445 if (nextintsrow == LINES)
446 continue;
447 intrloc[i] = nextintsrow++;
448 mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s",
449 intrname[i]);
450 }
451 putint(l, intrloc[i], INTSCOL, 5);
452 }
453 putint(inttotal, INTSROW + 1, INTSCOL, 5);
454 Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
455 Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
456 s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
457 nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
458 if (state == TIME)
459 s1.nchcount = s.nchcount;
460
461 psiz = 0;
462 f2 = 0.0;
463 for (lc = 0; lc < CPUSTATES; lc++) {
464 i = cpuorder[lc];
465 f1 = cputime(i);
466 f2 += f1;
467 l = (int) ((f2 + 1.0) / 2.0) - psiz;
468 putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
469 move(GRAPHROW + 2, psiz);
470 psiz += l;
471 while (l-- > 0)
472 addch(cpuchar[lc]);
473 }
474
475 putint(ucount(), STATROW, STATCOL, 5);
476 putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0);
477 putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0);
478 putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0);
479 mvaddstr(STATROW, STATCOL + 55, buf);
480 #define pgtokb(pg) ((pg) * (s.v_page_size / 1024))
481 putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7);
482 putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7);
483 putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8);
484 putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8);
485 putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7);
486 putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7);
487 putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8);
488 putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8);
489 putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7);
490 putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3);
491 putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3);
492 putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3);
493 putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3);
494 putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3);
495 PUTRATE(v_io_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2);
496 PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2);
497 PUTRATE(v_zfod, VMSTATROW + 2, VMSTATCOL + 2, 8 - 2);
498 PUTRATE(v_ozfod, VMSTATROW + 3, VMSTATCOL, 8);
499 putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0,
500 VMSTATROW + 4, VMSTATCOL + 1, 8 - 1);
501 PUTRATE(v_dfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2);
502 PUTRATE(v_pfree, VMSTATROW + 6, VMSTATCOL + 2, 8 - 2);
503 PUTRATE(v_tfree, VMSTATROW + 7, VMSTATCOL, 8);
504 PUTRATE(v_reactivated, VMSTATROW + 8, VMSTATCOL, 8);
505 PUTRATE(v_pdwakeups, VMSTATROW + 9, VMSTATCOL, 8);
506 PUTRATE(v_pdpages, VMSTATROW + 10, VMSTATCOL, 8);
507 PUTRATE(v_intrans, VMSTATROW + 11, VMSTATCOL, 8);
508 putint(pgtokb(s.v_wire_count), VMSTATROW + 12, VMSTATCOL, 8);
509 putint(pgtokb(s.v_active_count), VMSTATROW + 13, VMSTATCOL, 8);
510 putint(pgtokb(s.v_inactive_count), VMSTATROW + 14, VMSTATCOL, 8);
511 putint(pgtokb(s.v_cache_count), VMSTATROW + 15, VMSTATCOL, 8);
512 putint(pgtokb(s.v_free_count), VMSTATROW + 16, VMSTATCOL, 8);
513 if (LINES - 1 > VMSTATROW + 17)
514 putint(s.bufspace / 1024, VMSTATROW + 17, VMSTATCOL, 8);
515 PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5);
516 PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5);
517 PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5);
518 PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5);
519 PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5);
520 PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5);
521 PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5);
522 PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5);
523 PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4);
524 PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4);
525 PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4);
526 PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4);
527 PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4);
528 PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4);
529 for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
530 if (dev_select[i].selected) {
531 switch(state) {
532 case TIME:
533 dinfo(i, ++lc, &cur, &last);
534 break;
535 case RUN:
536 dinfo(i, ++lc, &cur, &run);
537 break;
538 case BOOT:
539 dinfo(i, ++lc, &cur, NULL);
540 break;
541 }
542 }
543 putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
544 putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7);
545 putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
546 putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7);
547 putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8);
548 putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
549 NAMEIROW + 2, NAMEICOL + 9, 7);
550 #define nz(x) ((x) ? (x) : 1)
551 putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
552 100.0 / nz(s.nchcount),
553 NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1);
554 putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7);
555 putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
556 NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1);
557 #undef nz
558 }
559
560 int
cmdkre(const char * cmd,const char * args)561 cmdkre(const char *cmd, const char *args)
562 {
563 int retval;
564
565 if (prefix(cmd, "run")) {
566 retval = 1;
567 copyinfo(&s2, &s1);
568 switch (devstat_getdevs(NULL, &run)) {
569 case -1:
570 errx(1, "%s", devstat_errbuf);
571 break;
572 case 1:
573 num_devices = run.dinfo->numdevs;
574 generation = run.dinfo->generation;
575 retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
576 if (retval == 2)
577 labelkre();
578 break;
579 default:
580 break;
581 }
582 state = RUN;
583 return (retval);
584 }
585 if (prefix(cmd, "boot")) {
586 state = BOOT;
587 copyinfo(&z, &s1);
588 return (1);
589 }
590 if (prefix(cmd, "time")) {
591 state = TIME;
592 return (1);
593 }
594 if (prefix(cmd, "zero")) {
595 retval = 1;
596 if (state == RUN) {
597 getinfo(&s1);
598 switch (devstat_getdevs(NULL, &run)) {
599 case -1:
600 errx(1, "%s", devstat_errbuf);
601 break;
602 case 1:
603 num_devices = run.dinfo->numdevs;
604 generation = run.dinfo->generation;
605 retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
606 if (retval == 2)
607 labelkre();
608 break;
609 default:
610 break;
611 }
612 }
613 return (retval);
614 }
615 retval = dscmd(cmd, args, MAXDRIVES, &cur);
616
617 if (retval == 2)
618 labelkre();
619
620 return(retval);
621 }
622
623 /* calculate number of users on the system */
624 static int
ucount(void)625 ucount(void)
626 {
627 int nusers = 0;
628 struct utmpx *ut;
629
630 setutxent();
631 while ((ut = getutxent()) != NULL)
632 if (ut->ut_type == USER_PROCESS)
633 nusers++;
634 endutxent();
635
636 return (nusers);
637 }
638
639 static float
cputime(int indx)640 cputime(int indx)
641 {
642 double lt;
643 int i;
644
645 lt = 0;
646 for (i = 0; i < CPUSTATES; i++)
647 lt += s.time[i];
648 if (lt == 0.0)
649 lt = 1.0;
650 return (s.time[indx] * 100.0 / lt);
651 }
652
653 static void
putint(int n,int l,int lc,int w)654 putint(int n, int l, int lc, int w)
655 {
656 int snr;
657 char b[128];
658
659 move(l, lc);
660 #ifdef DEBUG
661 while (w-- > 0)
662 addch('*');
663 return;
664 #endif
665 if (n == 0) {
666 while (w-- > 0)
667 addch(' ');
668 return;
669 }
670 snr = snprintf(b, sizeof(b), "%*d", w, n);
671 if (snr != w)
672 snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000);
673 if (snr != w)
674 snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000);
675 if (snr != w) {
676 while (w-- > 0)
677 addch('*');
678 return;
679 }
680 addstr(b);
681 }
682
683 static void
putfloat(double f,int l,int lc,int w,int d,int nz)684 putfloat(double f, int l, int lc, int w, int d, int nz)
685 {
686 int snr;
687 char b[128];
688
689 move(l, lc);
690 #ifdef DEBUG
691 while (--w >= 0)
692 addch('*');
693 return;
694 #endif
695 if (nz && f == 0.0) {
696 while (--w >= 0)
697 addch(' ');
698 return;
699 }
700 snr = snprintf(b, sizeof(b), "%*.*f", w, d, f);
701 if (snr != w)
702 snr = snprintf(b, sizeof(b), "%*.0f", w, f);
703 if (snr != w)
704 snr = snprintf(b, sizeof(b), "%*.0fk", w - 1, f / 1000);
705 if (snr != w)
706 snr = snprintf(b, sizeof(b), "%*.0fM", w - 1, f / 1000000);
707 if (snr != w) {
708 while (--w >= 0)
709 addch('*');
710 return;
711 }
712 addstr(b);
713 }
714
715 static void
putlongdouble(long double f,int l,int lc,int w,int d,int nz)716 putlongdouble(long double f, int l, int lc, int w, int d, int nz)
717 {
718 int snr;
719 char b[128];
720
721 move(l, lc);
722 #ifdef DEBUG
723 while (--w >= 0)
724 addch('*');
725 return;
726 #endif
727 if (nz && f == 0.0) {
728 while (--w >= 0)
729 addch(' ');
730 return;
731 }
732 snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f);
733 if (snr != w)
734 snr = snprintf(b, sizeof(b), "%*.0Lf", w, f);
735 if (snr != w)
736 snr = snprintf(b, sizeof(b), "%*.0Lfk", w - 1, f / 1000);
737 if (snr != w)
738 snr = snprintf(b, sizeof(b), "%*.0LfM", w - 1, f / 1000000);
739 if (snr != w) {
740 while (--w >= 0)
741 addch('*');
742 return;
743 }
744 addstr(b);
745 }
746
747 static void
getinfo(struct Info * ls)748 getinfo(struct Info *ls)
749 {
750 struct devinfo *tmp_dinfo;
751 size_t size;
752 int mib[2];
753
754 GETSYSCTL("kern.cp_time", ls->time);
755 GETSYSCTL("kern.cp_time", cur.cp_time);
756 GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
757 GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
758 GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
759 GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr);
760 GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft);
761 GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults);
762 GETSYSCTL("vm.stats.vm.v_io_faults", ls->v_io_faults);
763 GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults);
764 GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod);
765 GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod);
766 GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin);
767 GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout);
768 GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin);
769 GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout);
770 GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein);
771 GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout);
772 GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin);
773 GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout);
774 GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans);
775 GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated);
776 GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups);
777 GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages);
778 GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree);
779 GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree);
780 GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree);
781 GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size);
782 GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count);
783 GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count);
784 GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count);
785 GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count);
786 GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count);
787 GETSYSCTL("vfs.bufspace", ls->bufspace);
788 GETSYSCTL("kern.maxvnodes", ls->desiredvnodes);
789 GETSYSCTL("vfs.numvnodes", ls->numvnodes);
790 GETSYSCTL("vfs.freevnodes", ls->freevnodes);
791 GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
792 GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
793 getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
794
795 size = sizeof(ls->Total);
796 mib[0] = CTL_VM;
797 mib[1] = VM_TOTAL;
798 if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) {
799 error("Can't get kernel info: %s\n", strerror(errno));
800 bzero(&ls->Total, sizeof(ls->Total));
801 }
802 size = sizeof(ncpu);
803 if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 ||
804 size != sizeof(ncpu))
805 ncpu = 1;
806
807 tmp_dinfo = last.dinfo;
808 last.dinfo = cur.dinfo;
809 cur.dinfo = tmp_dinfo;
810
811 last.snap_time = cur.snap_time;
812 switch (devstat_getdevs(NULL, &cur)) {
813 case -1:
814 errx(1, "%s", devstat_errbuf);
815 break;
816 case 1:
817 num_devices = cur.dinfo->numdevs;
818 generation = cur.dinfo->generation;
819 cmdkre("refresh", NULL);
820 break;
821 default:
822 break;
823 }
824 }
825
826 static void
allocinfo(struct Info * ls)827 allocinfo(struct Info *ls)
828 {
829
830 ls->intrcnt = (long *) calloc(nintr, sizeof(long));
831 if (ls->intrcnt == NULL)
832 errx(2, "out of memory");
833 }
834
835 static void
copyinfo(struct Info * from,struct Info * to)836 copyinfo(struct Info *from, struct Info *to)
837 {
838 long *intrcnt;
839
840 /*
841 * time, wds, seek, and xfer are malloc'd so we have to
842 * save the pointers before the structure copy and then
843 * copy by hand.
844 */
845 intrcnt = to->intrcnt;
846 *to = *from;
847
848 bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
849 }
850
851 static void
dinfo(int dn,int lc,struct statinfo * now,struct statinfo * then)852 dinfo(int dn, int lc, struct statinfo *now, struct statinfo *then)
853 {
854 long double transfers_per_second;
855 long double kb_per_transfer, mb_per_second;
856 long double elapsed_time, device_busy;
857 int di;
858
859 di = dev_select[dn].position;
860
861 if (then != NULL) {
862 /* Calculate relative to previous sample */
863 elapsed_time = now->snap_time - then->snap_time;
864 } else {
865 /* Calculate relative to device creation */
866 elapsed_time = now->snap_time - devstat_compute_etime(
867 &now->dinfo->devices[di].creation_time, NULL);
868 }
869
870 if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
871 &then->dinfo->devices[di] : NULL, elapsed_time,
872 DSM_KB_PER_TRANSFER, &kb_per_transfer,
873 DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
874 DSM_MB_PER_SECOND, &mb_per_second,
875 DSM_BUSY_PCT, &device_busy,
876 DSM_NONE) != 0)
877 errx(1, "%s", devstat_errbuf);
878
879 lc = DISKCOL + lc * 6;
880 putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
881 putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
882 putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
883 putlongdouble(device_busy, DISKROW + 4, lc, 5, 0, 0);
884 }
885