xref: /freebsd/bin/ps/print.c (revision 5521ff5a4d1929056e7ffc982fac3341ca54df7c) 
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 
34 #ifndef lint
35 #if 0
36 static char sccsid[] = "@(#)print.c	8.6 (Berkeley) 4/16/94";
37 #endif
38 static const char rcsid[] =
39   "$FreeBSD$";
40 #endif /* not lint */
41 
42 #include <sys/param.h>
43 #include <sys/time.h>
44 #include <sys/resource.h>
45 #include <sys/proc.h>
46 #include <sys/stat.h>
47 
48 #include <sys/ucred.h>
49 #include <sys/user.h>
50 #include <sys/sysctl.h>
51 #include <vm/vm.h>
52 
53 #include <err.h>
54 #include <langinfo.h>
55 #include <locale.h>
56 #include <math.h>
57 #include <nlist.h>
58 #include <stddef.h>
59 #include <stdio.h>
60 #include <stdlib.h>
61 #include <unistd.h>
62 #include <string.h>
63 #include <vis.h>
64 
65 #include "ps.h"
66 
67 void
68 printheader()
69 {
70 	VAR *v;
71 	struct varent *vent;
72 
73 	for (vent = vhead; vent; vent = vent->next) {
74 		v = vent->var;
75 		if (v->flag & LJUST) {
76 			if (vent->next == NULL)	/* last one */
77 				(void)printf("%s", v->header);
78 			else
79 				(void)printf("%-*s", v->width, v->header);
80 		} else
81 			(void)printf("%*s", v->width, v->header);
82 		if (vent->next != NULL)
83 			(void)putchar(' ');
84 	}
85 	(void)putchar('\n');
86 }
87 
88 void
89 command(k, ve)
90 	KINFO *k;
91 	VARENT *ve;
92 {
93 	VAR *v;
94 	int left;
95 	char *cp, *vis_env, *vis_args;
96 
97 	v = ve->var;
98 
99 	if (cflag) {
100 		if (ve->next == NULL)	/* last field, don't pad */
101 			(void)printf("%s", k->ki_p->ki_comm);
102 		else
103 			(void)printf("%-*s", v->width, k->ki_p->ki_comm);
104 		return;
105 	}
106 
107 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
108 		err(1, NULL);
109 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
110 	if (k->ki_env) {
111 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
112 			err(1, NULL);
113 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
114 	} else
115 		vis_env = NULL;
116 
117 	if (ve->next == NULL) {
118 		/* last field */
119 		if (termwidth == UNLIMITED) {
120 			if (vis_env)
121 				(void)printf("%s ", vis_env);
122 			(void)printf("%s", vis_args);
123 		} else {
124 			left = termwidth - (totwidth - v->width);
125 			if (left < 1) /* already wrapped, just use std width */
126 				left = v->width;
127 			if ((cp = vis_env) != NULL) {
128 				while (--left >= 0 && *cp)
129 					(void)putchar(*cp++);
130 				if (--left >= 0)
131 					putchar(' ');
132 			}
133 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
134 				(void)putchar(*cp++);
135 		}
136 	} else
137 		/* XXX env? */
138 		(void)printf("%-*.*s", v->width, v->width, vis_args);
139 	free(vis_args);
140 	if (vis_env != NULL)
141 		free(vis_env);
142 }
143 
144 void
145 ucomm(k, ve)
146 	KINFO *k;
147 	VARENT *ve;
148 {
149 	VAR *v;
150 
151 	v = ve->var;
152 	(void)printf("%-*s", v->width, k->ki_p->ki_comm);
153 }
154 
155 void
156 logname(k, ve)
157 	KINFO *k;
158 	VARENT *ve;
159 {
160 	VAR *v;
161 	char *s;
162 
163 	v = ve->var;
164 	(void)printf("%-*s", v->width, (s = k->ki_p->ki_login, *s) ? s : "-");
165 }
166 
167 void
168 state(k, ve)
169 	KINFO *k;
170 	VARENT *ve;
171 {
172 	int flag, sflag;
173 	char *cp;
174 	VAR *v;
175 	char buf[16];
176 
177 	v = ve->var;
178 	flag = k->ki_p->ki_flag;
179 	sflag = k->ki_p->ki_sflag;
180 	cp = buf;
181 
182 	switch (k->ki_p->ki_stat) {
183 
184 	case SSTOP:
185 		*cp = 'T';
186 		break;
187 
188 	case SSLEEP:
189 		if (sflag & PS_SINTR)	/* interruptable (long) */
190 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
191 		else
192 			*cp = 'D';
193 		break;
194 
195 	case SRUN:
196 	case SIDL:
197 		*cp = 'R';
198 		break;
199 
200 	case SWAIT:
201 		*cp = 'W';
202 		break;
203 
204 	case SMTX:
205 		*cp = 'M';
206 		break;
207 
208 	case SZOMB:
209 		*cp = 'Z';
210 		break;
211 
212 	default:
213 		*cp = '?';
214 	}
215 	cp++;
216 	if (!(sflag & PS_INMEM))
217 		*cp++ = 'W';
218 	if (k->ki_p->ki_nice < NZERO)
219 		*cp++ = '<';
220 	else if (k->ki_p->ki_nice > NZERO)
221 		*cp++ = 'N';
222 	if (flag & P_TRACED)
223 		*cp++ = 'X';
224 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
225 		*cp++ = 'E';
226 	if (flag & P_PPWAIT)
227 		*cp++ = 'V';
228 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
229 		*cp++ = 'L';
230 	if (k->ki_p->ki_kiflag & KI_SLEADER)
231 		*cp++ = 's';
232 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
233 		*cp++ = '+';
234 	if (flag & P_JAILED)
235 		*cp++ = 'J';
236 	*cp = '\0';
237 	(void)printf("%-*s", v->width, buf);
238 }
239 
240 void
241 pri(k, ve)
242 	KINFO *k;
243 	VARENT *ve;
244 {
245 	VAR *v;
246 
247 	v = ve->var;
248 	(void)printf("%*d", v->width, k->ki_p->ki_pri.pri_level - PZERO);
249 }
250 
251 void
252 uname(k, ve)
253 	KINFO *k;
254 	VARENT *ve;
255 {
256 	VAR *v;
257 
258 	v = ve->var;
259 	(void)printf("%-*s",
260 	    (int)v->width, user_from_uid(k->ki_p->ki_uid, 0));
261 }
262 
263 int
264 s_uname(k)
265 	KINFO *k;
266 {
267 	    return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
268 }
269 
270 void
271 runame(k, ve)
272 	KINFO *k;
273 	VARENT *ve;
274 {
275 	VAR *v;
276 
277 	v = ve->var;
278 	(void)printf("%-*s",
279 	    (int)v->width, user_from_uid(k->ki_p->ki_ruid, 0));
280 }
281 
282 int
283 s_runame(k)
284 	KINFO *k;
285 {
286 	    return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
287 }
288 
289 void
290 tdev(k, ve)
291 	KINFO *k;
292 	VARENT *ve;
293 {
294 	VAR *v;
295 	dev_t dev;
296 	char buff[16];
297 
298 	v = ve->var;
299 	dev = k->ki_p->ki_tdev;
300 	if (dev == NODEV)
301 		(void)printf("%*s", v->width, "??");
302 	else {
303 		(void)snprintf(buff, sizeof(buff),
304 		    "%d/%d", major(dev), minor(dev));
305 		(void)printf("%*s", v->width, buff);
306 	}
307 }
308 
309 void
310 tname(k, ve)
311 	KINFO *k;
312 	VARENT *ve;
313 {
314 	VAR *v;
315 	dev_t dev;
316 	char *ttname;
317 
318 	v = ve->var;
319 	dev = k->ki_p->ki_tdev;
320 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
321 		(void)printf("%*s ", v->width-1, "??");
322 	else {
323 		if (strncmp(ttname, "tty", 3) == 0 ||
324 		    strncmp(ttname, "cua", 3) == 0)
325 			ttname += 3;
326 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
327 			k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
328 	}
329 }
330 
331 void
332 longtname(k, ve)
333 	KINFO *k;
334 	VARENT *ve;
335 {
336 	VAR *v;
337 	dev_t dev;
338 	char *ttname;
339 
340 	v = ve->var;
341 	dev = k->ki_p->ki_tdev;
342 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
343 		(void)printf("%-*s", v->width, "??");
344 	else
345 		(void)printf("%-*s", v->width, ttname);
346 }
347 
348 void
349 started(k, ve)
350 	KINFO *k;
351 	VARENT *ve;
352 {
353 	VAR *v;
354 	static time_t now;
355 	time_t then;
356 	struct tm *tp;
357 	char buf[100];
358 	static int  use_ampm = -1;
359 
360 	v = ve->var;
361 	if (!k->ki_valid) {
362 		(void)printf("%-*s", v->width, "-");
363 		return;
364 	}
365 
366 	if (use_ampm < 0)
367 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
368 
369 	then = k->ki_p->ki_start.tv_sec;
370 	tp = localtime(&then);
371 	if (!now)
372 		(void)time(&now);
373 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
374 		(void)strftime(buf, sizeof(buf) - 1,
375 		use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
376 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
377 		(void)strftime(buf, sizeof(buf) - 1,
378 		use_ampm ? "%a%I%p" : "%a%H  ", tp);
379 	} else
380 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
381 	(void)printf("%-*s", v->width, buf);
382 }
383 
384 void
385 lstarted(k, ve)
386 	KINFO *k;
387 	VARENT *ve;
388 {
389 	VAR *v;
390 	time_t then;
391 	char buf[100];
392 
393 	v = ve->var;
394 	if (!k->ki_valid) {
395 		(void)printf("%-*s", v->width, "-");
396 		return;
397 	}
398 	then = k->ki_p->ki_start.tv_sec;
399 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
400 	(void)printf("%-*s", v->width, buf);
401 }
402 
403 void
404 mtxname(k, ve)
405 	KINFO *k;
406 	VARENT *ve;
407 {
408 	VAR *v;
409 
410 	v = ve->var;
411 	if (k->ki_p->ki_kiflag & KI_MTXBLOCK) {
412 		if (k->ki_p->ki_mtxname[0] != 0)
413 			(void)printf("%-*.*s", v->width, v->width,
414 				      k->ki_p->ki_mtxname);
415 		else
416 			(void)printf("%-*s", v->width, "???");
417 	} else
418 		(void)printf("%-*s", v->width, "-");
419 }
420 
421 void
422 wchan(k, ve)
423 	KINFO *k;
424 	VARENT *ve;
425 {
426 	VAR *v;
427 
428 	v = ve->var;
429 	if (k->ki_p->ki_wchan) {
430 		if (k->ki_p->ki_wmesg[0] != 0)
431 			(void)printf("%-*.*s", v->width, v->width,
432 				      k->ki_p->ki_wmesg);
433 		else
434 			(void)printf("%-*lx", v->width,
435 			    (long)k->ki_p->ki_wchan &~ KERNBASE);
436 	} else
437 		(void)printf("%-*s", v->width, "-");
438 }
439 
440 #ifndef pgtok
441 #define pgtok(a)        (((a)*getpagesize())/1024)
442 #endif
443 
444 void
445 vsize(k, ve)
446 	KINFO *k;
447 	VARENT *ve;
448 {
449 	VAR *v;
450 
451 	v = ve->var;
452 	(void)printf("%*d", v->width,
453 	    (k->ki_p->ki_size/1024));
454 }
455 
456 void
457 rssize(k, ve)
458 	KINFO *k;
459 	VARENT *ve;
460 {
461 	VAR *v;
462 
463 	v = ve->var;
464 	/* XXX don't have info about shared */
465 	(void)printf("%*lu", v->width,
466 	    (u_long)pgtok(k->ki_p->ki_rssize));
467 }
468 
469 void
470 p_rssize(k, ve)		/* doesn't account for text */
471 	KINFO *k;
472 	VARENT *ve;
473 {
474 	VAR *v;
475 
476 	v = ve->var;
477 	(void)printf("%*ld", v->width, (long)pgtok(k->ki_p->ki_rssize));
478 }
479 
480 void
481 cputime(k, ve)
482 	KINFO *k;
483 	VARENT *ve;
484 {
485 	VAR *v;
486 	long secs;
487 	long psecs;	/* "parts" of a second. first micro, then centi */
488 	char obuff[128];
489 	static char decimal_point = 0;
490 
491 	if (!decimal_point)
492 		decimal_point = localeconv()->decimal_point[0];
493 	v = ve->var;
494 	if (k->ki_p->ki_stat == SZOMB || !k->ki_valid) {
495 		secs = 0;
496 		psecs = 0;
497 	} else {
498 		/*
499 		 * This counts time spent handling interrupts.  We could
500 		 * fix this, but it is not 100% trivial (and interrupt
501 		 * time fractions only work on the sparc anyway).	XXX
502 		 */
503 		secs = k->ki_p->ki_runtime / 1000000;
504 		psecs = k->ki_p->ki_runtime % 1000000;
505 		if (sumrusage) {
506 			secs += k->ki_p->ki_childtime.tv_sec;
507 			psecs += k->ki_p->ki_childtime.tv_usec;
508 		}
509 		/*
510 		 * round and scale to 100's
511 		 */
512 		psecs = (psecs + 5000) / 10000;
513 		secs += psecs / 100;
514 		psecs = psecs % 100;
515 	}
516 	(void)snprintf(obuff, sizeof(obuff),
517 	    "%3ld:%02ld%c%02ld", secs/60, secs%60, decimal_point, psecs);
518 	(void)printf("%*s", v->width, obuff);
519 }
520 
521 double
522 getpcpu(k)
523 	KINFO *k;
524 {
525 	static int failure;
526 
527 	if (!nlistread)
528 		failure = donlist();
529 	if (failure)
530 		return (0.0);
531 
532 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
533 
534 	/* XXX - I don't like this */
535 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_sflag & PS_INMEM) == 0)
536 		return (0.0);
537 	if (rawcpu)
538 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
539 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
540 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
541 }
542 
543 void
544 pcpu(k, ve)
545 	KINFO *k;
546 	VARENT *ve;
547 {
548 	VAR *v;
549 
550 	v = ve->var;
551 	(void)printf("%*.1f", v->width, getpcpu(k));
552 }
553 
554 double
555 getpmem(k)
556 	KINFO *k;
557 {
558 	static int failure;
559 	double fracmem;
560 	int szptudot;
561 
562 	if (!nlistread)
563 		failure = donlist();
564 	if (failure)
565 		return (0.0);
566 
567 	if ((k->ki_p->ki_sflag & PS_INMEM) == 0)
568 		return (0.0);
569 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
570 	szptudot = UPAGES;
571 	/* XXX don't have info about shared */
572 	fracmem = ((float)k->ki_p->ki_rssize + szptudot)/mempages;
573 	return (100.0 * fracmem);
574 }
575 
576 void
577 pmem(k, ve)
578 	KINFO *k;
579 	VARENT *ve;
580 {
581 	VAR *v;
582 
583 	v = ve->var;
584 	(void)printf("%*.1f", v->width, getpmem(k));
585 }
586 
587 void
588 pagein(k, ve)
589 	KINFO *k;
590 	VARENT *ve;
591 {
592 	VAR *v;
593 
594 	v = ve->var;
595 	(void)printf("%*ld", v->width,
596 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
597 }
598 
599 void
600 maxrss(k, ve)
601 	KINFO *k;
602 	VARENT *ve;
603 {
604 	VAR *v;
605 
606 	v = ve->var;
607 	/* XXX not yet */
608 	(void)printf("%*s", v->width, "-");
609 }
610 
611 void
612 tsize(k, ve)
613 	KINFO *k;
614 	VARENT *ve;
615 {
616 	VAR *v;
617 
618 	v = ve->var;
619 	(void)printf("%*ld", v->width, (long)pgtok(k->ki_p->ki_tsize));
620 }
621 
622 void
623 priorityr(k, ve)
624 	KINFO *k;
625 	VARENT *ve;
626 {
627 	VAR *v;
628 	struct priority *pri;
629 	char str[8];
630 	unsigned class, level;
631 
632 	v = ve->var;
633 	pri = (struct priority *) ((char *)k + v->off);
634 	class = pri->pri_class;
635 	level = pri->pri_level;
636 	switch (class) {
637 	case PRI_REALTIME:
638 		snprintf(str, sizeof(str), "real:%u", level);
639 		break;
640 	case PRI_TIMESHARE:
641 		strncpy(str, "normal", sizeof(str));
642 		break;
643 	case PRI_IDLE:
644 		snprintf(str, sizeof(str), "idle:%u", level);
645 		break;
646 	default:
647 		snprintf(str, sizeof(str), "%u:%u", class, level);
648 		break;
649 	}
650 	str[sizeof(str) - 1] = '\0';
651 	(void)printf("%*s", v->width, str);
652 }
653 
654 /*
655  * Generic output routines.  Print fields from various prototype
656  * structures.
657  */
658 static void
659 printval(bp, v)
660 	char *bp;
661 	VAR *v;
662 {
663 	static char ofmt[32] = "%";
664 	char *fcp, *cp;
665 
666 	cp = ofmt + 1;
667 	fcp = v->fmt;
668 	if (v->flag & LJUST)
669 		*cp++ = '-';
670 	*cp++ = '*';
671 	while ((*cp++ = *fcp++));
672 
673 	switch (v->type) {
674 	case CHAR:
675 		(void)printf(ofmt, v->width, *(char *)bp);
676 		break;
677 	case UCHAR:
678 		(void)printf(ofmt, v->width, *(u_char *)bp);
679 		break;
680 	case SHORT:
681 		(void)printf(ofmt, v->width, *(short *)bp);
682 		break;
683 	case USHORT:
684 		(void)printf(ofmt, v->width, *(u_short *)bp);
685 		break;
686 	case INT:
687 		(void)printf(ofmt, v->width, *(int *)bp);
688 		break;
689 	case UINT:
690 		(void)printf(ofmt, v->width, *(u_int *)bp);
691 		break;
692 	case LONG:
693 		(void)printf(ofmt, v->width, *(long *)bp);
694 		break;
695 	case ULONG:
696 		(void)printf(ofmt, v->width, *(u_long *)bp);
697 		break;
698 	case KPTR:
699 		(void)printf(ofmt, v->width, *(u_long *)bp &~ KERNBASE);
700 		break;
701 	default:
702 		errx(1, "unknown type %d", v->type);
703 	}
704 }
705 
706 void
707 kvar(k, ve)
708 	KINFO *k;
709 	VARENT *ve;
710 {
711 	VAR *v;
712 
713 	v = ve->var;
714 	printval((char *)((char *)k->ki_p + v->off), v);
715 }
716 
717 void
718 rvar(k, ve)
719 	KINFO *k;
720 	VARENT *ve;
721 {
722 	VAR *v;
723 
724 	v = ve->var;
725 	if (k->ki_valid)
726 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
727 	else
728 		(void)printf("%*s", v->width, "-");
729 }
730