xref: /dragonfly/bin/ps/print.c (revision 43b4d1bd) 
1 /*-
2  * Copyright (c) 1990, 1993, 1994
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  * @(#)print.c	8.6 (Berkeley) 4/16/94
34  * $FreeBSD: src/bin/ps/print.c,v 1.36.2.4 2002/11/30 13:00:14 tjr Exp $
35  * $DragonFly: src/bin/ps/print.c,v 1.12 2004/06/21 00:47:57 hmp Exp $
36  */
37 
38 #include <sys/param.h>
39 #include <sys/time.h>
40 #include <sys/resource.h>
41 #include <sys/stat.h>
42 
43 #include <sys/ucred.h>
44 #include <sys/user.h>
45 #include <sys/sysctl.h>
46 #include <sys/rtprio.h>
47 #include <vm/vm.h>
48 
49 #include <err.h>
50 #include <langinfo.h>
51 #include <locale.h>
52 #include <math.h>
53 #include <nlist.h>
54 #include <stddef.h>
55 #include <stdio.h>
56 #include <stdlib.h>
57 #include <unistd.h>
58 #include <string.h>
59 #include <vis.h>
60 
61 #include "ps.h"
62 
63 void
64 printheader(void)
65 {
66 	const VAR *v;
67 	struct varent *vent;
68 	int allempty;
69 
70 	allempty = 1;
71 	for (vent = vhead; vent; vent = vent->next)
72 		if (*vent->var->header != '\0') {
73 			allempty = 0;
74 			break;
75 		}
76 	if (allempty)
77 		return;
78 	for (vent = vhead; vent; vent = vent->next) {
79 		v = vent->var;
80 		if (v->flag & LJUST) {
81 			if (vent->next == NULL)	/* last one */
82 				(void)printf("%s", v->header);
83 			else
84 				(void)printf("%-*s", v->width, v->header);
85 		} else
86 			(void)printf("%*s", v->width, v->header);
87 		if (vent->next != NULL)
88 			(void)putchar(' ');
89 	}
90 	(void)putchar('\n');
91 }
92 
93 void
94 command(const KINFO *k, const VARENT *ve)
95 {
96 	const VAR *v;
97 	int left;
98 	char *cp, *vis_env, *vis_args;
99 
100 	v = ve->var;
101 
102 	if (cflag) {
103 		if (ve->next == NULL)	/* last field, don't pad */
104 			(void)printf("%s", KI_THREAD(k)->td_comm);
105 		else
106 			(void)printf("%-*s", v->width, KI_THREAD(k)->td_comm);
107 		return;
108 	}
109 
110 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
111 		err(1, NULL);
112 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
113 	if (k->ki_env) {
114 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
115 			err(1, NULL);
116 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
117 	} else
118 		vis_env = NULL;
119 
120 	if (ve->next == NULL) {
121 		/* last field */
122 		if (termwidth == UNLIMITED) {
123 			if (vis_env)
124 				(void)printf("%s ", vis_env);
125 			(void)printf("%s", vis_args);
126 		} else {
127 			left = termwidth - (totwidth - v->width);
128 			if (left < 1) /* already wrapped, just use std width */
129 				left = v->width;
130 			if ((cp = vis_env) != NULL) {
131 				while (--left >= 0 && *cp)
132 					(void)putchar(*cp++);
133 				if (--left >= 0)
134 					putchar(' ');
135 			}
136 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
137 				(void)putchar(*cp++);
138 		}
139 	} else
140 		/* XXX env? */
141 		(void)printf("%-*.*s", v->width, v->width, vis_args);
142 	free(vis_args);
143 	if (vis_env != NULL)
144 		free(vis_env);
145 }
146 
147 void
148 ucomm(const KINFO *k, const VARENT *ve)
149 {
150 	const VAR *v;
151 
152 	v = ve->var;
153 	(void)printf("%-*s", v->width, KI_THREAD(k)->td_comm);
154 }
155 
156 void
157 logname(const KINFO *k, const VARENT *ve)
158 {
159 	const VAR *v;
160 	char *s;
161 
162 	v = ve->var;
163 	(void)printf("%-*s", v->width, (s = KI_EPROC(k)->e_login, *s) ? s : "-");
164 }
165 
166 void
167 state(const KINFO *k, const VARENT *ve)
168 {
169 	struct proc *p;
170 	int flag;
171 	char *cp;
172 	const VAR *v;
173 	char buf[16];
174 
175 	v = ve->var;
176 	p = KI_PROC(k);
177 	flag = p->p_flag;
178 	cp = buf;
179 
180 	switch (p->p_stat) {
181 
182 	case SSTOP:
183 		*cp = 'T';
184 		break;
185 
186 	case SSLEEP:
187 		if (flag & P_SINTR)	/* interruptable (long) */
188 			*cp = p->p_slptime >= MAXSLP ? 'I' : 'S';
189 		else if (KI_THREAD(k)->td_flags & TDF_SINTR)
190 			*cp = 'S';
191 		else
192 			*cp = 'D';
193 		break;
194 
195 	case SRUN:
196 	case SIDL:
197 		*cp = 'R';
198 		if (KI_THREAD(k)->td_flags & TDF_RUNNING) {
199 		    ++cp;
200 		    sprintf(cp, "%d", KI_EPROC(k)->e_cpuid);
201 		    while (cp[1])
202 			++cp;
203 		}
204 		break;
205 
206 	case SZOMB:
207 		*cp = 'Z';
208 		break;
209 
210 	default:
211 		*cp = '?';
212 	}
213 	cp++;
214 	if (!(flag & P_INMEM))
215 		*cp++ = 'W';
216 	if (p->p_nice < NZERO)
217 		*cp++ = '<';
218 	else if (p->p_nice > NZERO)
219 		*cp++ = 'N';
220 	if (flag & P_TRACED)
221 		*cp++ = 'X';
222 	if (flag & P_WEXIT && p->p_stat != SZOMB)
223 		*cp++ = 'E';
224 	if (flag & P_PPWAIT)
225 		*cp++ = 'V';
226 	if ((flag & P_SYSTEM) || p->p_lock > 0)
227 		*cp++ = 'L';
228 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
229 		*cp++ = 's';
230 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
231 		*cp++ = '+';
232 	if (flag & P_JAILED)
233 		*cp++ = 'J';
234 	*cp = '\0';
235 	(void)printf("%-*s", v->width, buf);
236 }
237 
238 void
239 pri(const KINFO *k, const VARENT *ve)
240 {
241 	const VAR *v;
242 
243 	v = ve->var;
244 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority);
245 }
246 
247 void
248 uname(const KINFO *k, const VARENT *ve)
249 {
250 	const VAR *v;
251 
252 	v = ve->var;
253 	(void)printf("%-*s",
254 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
255 }
256 
257 int
258 s_uname(const KINFO *k)
259 {
260 	    return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0)));
261 }
262 
263 void
264 runame(const KINFO *k, const VARENT *ve)
265 {
266 	const VAR *v;
267 
268 	v = ve->var;
269 	(void)printf("%-*s",
270 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_ruid, 0));
271 }
272 
273 int
274 s_runame(const KINFO *k)
275 {
276 	    return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_ruid, 0)));
277 }
278 
279 void
280 tdev(const KINFO *k, const VARENT *ve)
281 {
282 	const VAR *v;
283 	dev_t dev;
284 	char buff[16];
285 
286 	v = ve->var;
287 	dev = KI_EPROC(k)->e_tdev;
288 	if (dev == NODEV)
289 		(void)printf("%*s", v->width, "??");
290 	else {
291 		(void)snprintf(buff, sizeof(buff),
292 		    "%d/%d", major(dev), minor(dev));
293 		(void)printf("%*s", v->width, buff);
294 	}
295 }
296 
297 void
298 tname(const KINFO *k, const VARENT *ve)
299 {
300 	const VAR *v;
301 	dev_t dev;
302 	char *ttname;
303 
304 	v = ve->var;
305 	dev = KI_EPROC(k)->e_tdev;
306 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
307 		(void)printf("%*s ", v->width-1, "??");
308 	else {
309 		if (strncmp(ttname, "tty", 3) == 0 ||
310 		    strncmp(ttname, "cua", 3) == 0)
311 			ttname += 3;
312 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
313 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
314 	}
315 }
316 
317 void
318 longtname(const KINFO *k, const VARENT *ve)
319 {
320 	const VAR *v;
321 	dev_t dev;
322 	char *ttname;
323 
324 	v = ve->var;
325 	dev = KI_EPROC(k)->e_tdev;
326 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
327 		(void)printf("%-*s", v->width, "??");
328 	else
329 		(void)printf("%-*s", v->width, ttname);
330 }
331 
332 void
333 started(const KINFO *k, const VARENT *ve)
334 {
335 	const VAR *v;
336 	static time_t now;
337 	time_t then;
338 	struct tm *tp;
339 	char buf[100];
340 	static int  use_ampm = -1;
341 
342 	v = ve->var;
343 	if (!k->ki_u.u_valid) {
344 		(void)printf("%-*s", v->width, "-");
345 		return;
346 	}
347 
348 	if (use_ampm < 0)
349 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
350 
351 	if (KI_THREAD(k)->td_proc != NULL) {
352 		then = k->ki_u.u_start.tv_sec;
353 	} else {
354 		then = KI_THREAD(k)->td_start.tv_sec;
355 		if (then < btime.tv_sec) {
356 			then = btime.tv_sec;
357 		}
358 	}
359 
360 	tp = localtime(&then);
361 	if (!now)
362 		(void)time(&now);
363 	if (now - k->ki_u.u_start.tv_sec < 24 * 3600) {
364 		(void)strftime(buf, sizeof(buf) - 1,
365 		use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
366 	} else if (now - k->ki_u.u_start.tv_sec < 7 * 86400) {
367 		(void)strftime(buf, sizeof(buf) - 1,
368 		use_ampm ? "%a%I%p" : "%a%H  ", tp);
369 	} else
370 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
371 	(void)printf("%-*s", v->width, buf);
372 }
373 
374 void
375 lstarted(const KINFO *k, const VARENT *ve)
376 {
377 	const VAR *v;
378 	time_t then;
379 	char buf[100];
380 
381 	v = ve->var;
382 	if (!k->ki_u.u_valid) {
383 		(void)printf("%-*s", v->width, "-");
384 		return;
385 	}
386 	then = k->ki_u.u_start.tv_sec;
387 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
388 	(void)printf("%-*s", v->width, buf);
389 }
390 
391 void
392 wchan(const KINFO *k, const VARENT *ve)
393 {
394 	const VAR *v;
395 
396 	v = ve->var;
397 	if (KI_THREAD(k)->td_wchan) {
398 		if (KI_THREAD(k)->td_wmesg)
399 			(void)printf("%-*.*s", v->width, v->width,
400 				      KI_EPROC(k)->e_wmesg);
401 		else
402 			(void)printf("%-*lx", v->width,
403 			    (long)KI_THREAD(k)->td_wchan);
404 	} else
405 		(void)printf("%-*s", v->width, "-");
406 }
407 
408 #ifndef pgtok
409 #define pgtok(a)        (((a)*getpagesize())/1024)
410 #endif
411 
412 void
413 vsize(const KINFO *k, const VARENT *ve)
414 {
415 	const VAR *v;
416 
417 	v = ve->var;
418 	(void)printf("%*d", v->width,
419 	    (KI_EPROC(k)->e_vm.vm_map.size/1024));
420 }
421 
422 void
423 rssize(const KINFO *k, const VARENT *ve)
424 {
425 	const VAR *v;
426 
427 	v = ve->var;
428 	/* XXX don't have info about shared */
429 	(void)printf("%*lu", v->width,
430 	    (u_long)pgtok(KI_EPROC(k)->e_vm.vm_rssize));
431 }
432 
433 void
434 p_rssize(const KINFO *k, const VARENT *ve)	/* doesn't account for text */
435 {
436 	const VAR *v;
437 
438 	v = ve->var;
439 	(void)printf("%*ld", v->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_rssize));
440 }
441 
442 void
443 cputime(const KINFO *k, const VARENT *ve)
444 {
445 	const VAR *v;
446 	long secs;
447 	long psecs;	/* "parts" of a second. first micro, then centi */
448 	char obuff[128];
449 	static char decimal_point = 0;
450 
451 	if (!decimal_point)
452 		decimal_point = localeconv()->decimal_point[0];
453 	v = ve->var;
454 	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
455 		secs = 0;
456 		psecs = 0;
457 	} else {
458 		u_int64_t timeus;
459 
460 		/*
461 		 * This counts time spent handling interrupts.  We could
462 		 * fix this, but it is not 100% trivial (and interrupt
463 		 * time fractions only work on the sparc anyway).	XXX
464 		 */
465 		timeus = KI_EPROC(k)->e_uticks + KI_EPROC(k)->e_sticks;
466 		secs = timeus / 1000000;
467 		psecs = timeus % 1000000;
468 		if (sumrusage) {
469 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
470 				k->ki_u.u_cru.ru_stime.tv_sec;
471 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
472 				k->ki_u.u_cru.ru_stime.tv_usec;
473 		}
474 		/*
475 		 * round and scale to 100's
476 		 */
477 		psecs = (psecs + 5000) / 10000;
478 		secs += psecs / 100;
479 		psecs = psecs % 100;
480 	}
481 	(void)snprintf(obuff, sizeof(obuff),
482 	    "%3ld:%02ld%c%02ld", secs/60, secs%60, decimal_point, psecs);
483 	(void)printf("%*s", v->width, obuff);
484 }
485 
486 double
487 getpcpu(const KINFO *k)
488 {
489 	const struct proc *p;
490 	static int failure;
491 
492 	if (!nlistread)
493 		failure = donlist();
494 	if (failure)
495 		return (0.0);
496 
497 	p = KI_PROC(k);
498 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
499 
500 	/* XXX - I don't like this */
501 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0)
502 		return (0.0);
503 	if (rawcpu)
504 		return (100.0 * fxtofl(p->p_pctcpu));
505 	return (100.0 * fxtofl(p->p_pctcpu) /
506 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
507 }
508 
509 void
510 pcpu(const KINFO *k, const VARENT *ve)
511 {
512 	const VAR *v;
513 
514 	v = ve->var;
515 	(void)printf("%*.1f", v->width, getpcpu(k));
516 }
517 
518 void
519 pnice(const KINFO *k, const VARENT *ve)
520 {
521 	const VAR *v;
522 	int niceval;
523 
524 	switch (KI_PROC(k)->p_rtprio.type) {
525 	case RTP_PRIO_REALTIME:
526 		niceval = PRIO_MIN - 1 - RTP_PRIO_MAX + KI_PROC(k)->p_rtprio.prio;
527 		break;
528 	case RTP_PRIO_IDLE:
529 		niceval = PRIO_MAX + 1 + KI_PROC(k)->p_rtprio.prio;
530 		break;
531 	case RTP_PRIO_THREAD:
532 		niceval = PRIO_MIN - 1 - RTP_PRIO_MAX - KI_PROC(k)->p_rtprio.prio;
533 		break;
534 	default:
535 		niceval = KI_PROC(k)->p_nice - NZERO;
536 		break;
537 	}
538 	v = ve->var;
539 	(void)printf("%*d", v->width, niceval);
540 }
541 
542 
543 double
544 getpmem(const KINFO *k)
545 {
546 	static int failure;
547 	struct proc *p;
548 	struct eproc *e;
549 	double fracmem;
550 	int szptudot;
551 
552 	if (!nlistread)
553 		failure = donlist();
554 	if (failure)
555 		return (0.0);
556 
557 	p = KI_PROC(k);
558 	e = KI_EPROC(k);
559 	if ((p->p_flag & P_INMEM) == 0)
560 		return (0.0);
561 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
562 	szptudot = UPAGES;
563 	/* XXX don't have info about shared */
564 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages;
565 	return (100.0 * fracmem);
566 }
567 
568 void
569 pmem(const KINFO *k, const VARENT *ve)
570 {
571 	const VAR *v;
572 
573 	v = ve->var;
574 	(void)printf("%*.1f", v->width, getpmem(k));
575 }
576 
577 void
578 pagein(const KINFO *k, const VARENT *ve)
579 {
580 	const VAR *v;
581 
582 	v = ve->var;
583 	(void)printf("%*ld", v->width,
584 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
585 }
586 
587 /* ARGSUSED */
588 void
589 maxrss(const KINFO *k, const VARENT *ve)
590 {
591 	const VAR *v;
592 
593 	v = ve->var;
594 	/* XXX not yet */
595 	(void)printf("%*s", v->width, "-");
596 }
597 
598 void
599 tsize(const KINFO *k, const VARENT *ve)
600 {
601 	const VAR *v;
602 
603 	v = ve->var;
604 	(void)printf("%*ld", v->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_tsize));
605 }
606 
607 void
608 rtprior(const KINFO *k, const VARENT *ve)
609 {
610 	const VAR *v;
611 	struct rtprio *prtp;
612 	char str[8];
613 	unsigned prio, type;
614 
615 	v = ve->var;
616 	prtp = (struct rtprio *) ((char *)KI_PROC(k) + v->off);
617 	prio = prtp->prio;
618 	type = prtp->type;
619 	switch (type) {
620 	case RTP_PRIO_REALTIME:
621 		snprintf(str, sizeof(str), "real:%u", prio);
622 		break;
623 	case RTP_PRIO_NORMAL:
624 		strncpy(str, "normal", sizeof(str));
625 		break;
626 	case RTP_PRIO_IDLE:
627 		snprintf(str, sizeof(str), "idle:%u", prio);
628 		break;
629 	default:
630 		snprintf(str, sizeof(str), "%u:%u", type, prio);
631 		break;
632 	}
633 	str[sizeof(str) - 1] = '\0';
634 	(void)printf("%*s", v->width, str);
635 }
636 
637 /*
638  * Generic output routines.  Print fields from various prototype
639  * structures.
640  */
641 static void
642 printval(const char *bp, const VAR *v)
643 {
644 	static char ofmt[32] = "%";
645 	const char *fcp;
646 	char *cp;
647 
648 	cp = ofmt + 1;
649 	fcp = v->fmt;
650 	if (v->flag & LJUST)
651 		*cp++ = '-';
652 	*cp++ = '*';
653 	while ((*cp++ = *fcp++));
654 
655 	switch (v->type) {
656 	case CHAR:
657 		(void)printf(ofmt, v->width, *(const char *)bp);
658 		break;
659 	case UCHAR:
660 		(void)printf(ofmt, v->width, *(const u_char *)bp);
661 		break;
662 	case SHORT:
663 		(void)printf(ofmt, v->width, *(const short *)bp);
664 		break;
665 	case USHORT:
666 		(void)printf(ofmt, v->width, *(const u_short *)bp);
667 		break;
668 	case INT:
669 		(void)printf(ofmt, v->width, *(const int *)bp);
670 		break;
671 	case UINT:
672 		(void)printf(ofmt, v->width, *(const u_int *)bp);
673 		break;
674 	case LONG:
675 		(void)printf(ofmt, v->width, *(const long *)bp);
676 		break;
677 	case ULONG:
678 		(void)printf(ofmt, v->width, *(const u_long *)bp);
679 		break;
680 	case KPTR:
681 		(void)printf(ofmt, v->width, *(const u_long *)bp);
682 		break;
683 	default:
684 		errx(1, "unknown type %d", v->type);
685 	}
686 }
687 
688 void
689 pvar(const KINFO *k, const VARENT *ve)
690 {
691 	const VAR *v;
692 
693 	v = ve->var;
694 	printval((char *)((char *)KI_PROC(k) + v->off), v);
695 }
696 
697 void
698 tvar(const KINFO *k, const VARENT *ve)
699 {
700 	const VAR *v;
701 
702 	v = ve->var;
703 	printval((char *)((char *)KI_THREAD(k) + v->off), v);
704 }
705 
706 void
707 evar(const KINFO *k, const VARENT *ve)
708 {
709 	const VAR *v;
710 
711 	v = ve->var;
712 	printval((char *)((char *)KI_EPROC(k) + v->off), v);
713 }
714 
715 void
716 uvar(const KINFO *k, const VARENT *ve)
717 {
718 	const VAR *v;
719 
720 	v = ve->var;
721 	if (k->ki_u.u_valid)
722 		printval(((const char *)&k->ki_u + v->off), v);
723 	else
724 		(void)printf("%*s", v->width, "-");
725 }
726 
727 void
728 rvar(const KINFO *k, const VARENT *ve)
729 {
730 	const VAR *v;
731 
732 	v = ve->var;
733 	if (k->ki_u.u_valid)
734 		printval(((const char *)&k->ki_u.u_ru + v->off), v);
735 	else
736 		(void)printf("%*s", v->width, "-");
737 }
738