xref: /freebsd/bin/ps/print.c (revision 4cf49a43559ed9fdad601bdcccd2c55963008675) 
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 <math.h>
55 #include <nlist.h>
56 #include <stddef.h>
57 #include <stdio.h>
58 #include <stdlib.h>
59 #include <unistd.h>
60 #include <string.h>
61 #include <vis.h>
62 
63 #include "ps.h"
64 
65 void
66 printheader()
67 {
68 	VAR *v;
69 	struct varent *vent;
70 
71 	for (vent = vhead; vent; vent = vent->next) {
72 		v = vent->var;
73 		if (v->flag & LJUST) {
74 			if (vent->next == NULL)	/* last one */
75 				(void)printf("%s", v->header);
76 			else
77 				(void)printf("%-*s", v->width, v->header);
78 		} else
79 			(void)printf("%*s", v->width, v->header);
80 		if (vent->next != NULL)
81 			(void)putchar(' ');
82 	}
83 	(void)putchar('\n');
84 }
85 
86 void
87 command(k, ve)
88 	KINFO *k;
89 	VARENT *ve;
90 {
91 	VAR *v;
92 	int left;
93 	char *cp, *vis_env, *vis_args;
94 
95 	v = ve->var;
96 
97 	if (cflag) {
98 		if (ve->next == NULL)	/* last field, don't pad */
99 			(void)printf("%s", KI_PROC(k)->p_comm);
100 		else
101 			(void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
102 		return;
103 	}
104 
105 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
106 		err(1, NULL);
107 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
108 	if (k->ki_env) {
109 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
110 			err(1, NULL);
111 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
112 	} else
113 		vis_env = NULL;
114 
115 	if (ve->next == NULL) {
116 		/* last field */
117 		if (termwidth == UNLIMITED) {
118 			if (vis_env)
119 				(void)printf("%s ", vis_env);
120 			(void)printf("%s", vis_args);
121 		} else {
122 			left = termwidth - (totwidth - v->width);
123 			if (left < 1) /* already wrapped, just use std width */
124 				left = v->width;
125 			if ((cp = vis_env) != NULL) {
126 				while (--left >= 0 && *cp)
127 					(void)putchar(*cp++);
128 				if (--left >= 0)
129 					putchar(' ');
130 			}
131 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
132 				(void)putchar(*cp++);
133 		}
134 	} else
135 		/* XXX env? */
136 		(void)printf("%-*.*s", v->width, v->width, vis_args);
137 	free(vis_args);
138 	if (vis_env != NULL)
139 		free(vis_env);
140 }
141 
142 void
143 ucomm(k, ve)
144 	KINFO *k;
145 	VARENT *ve;
146 {
147 	VAR *v;
148 
149 	v = ve->var;
150 	(void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
151 }
152 
153 void
154 logname(k, ve)
155 	KINFO *k;
156 	VARENT *ve;
157 {
158 	VAR *v;
159 	char *s;
160 
161 	v = ve->var;
162 	(void)printf("%-*s", v->width, (s = KI_EPROC(k)->e_login, *s) ? s : "-");
163 }
164 
165 void
166 state(k, ve)
167 	KINFO *k;
168 	VARENT *ve;
169 {
170 	struct proc *p;
171 	int flag;
172 	char *cp;
173 	VAR *v;
174 	char buf[16];
175 
176 	v = ve->var;
177 	p = KI_PROC(k);
178 	flag = p->p_flag;
179 	cp = buf;
180 
181 	switch (p->p_stat) {
182 
183 	case SSTOP:
184 		*cp = 'T';
185 		break;
186 
187 	case SSLEEP:
188 		if (flag & P_SINTR)	/* interuptable (long) */
189 			*cp = p->p_slptime >= MAXSLP ? 'I' : 'S';
190 		else
191 			*cp = 'D';
192 		break;
193 
194 	case SRUN:
195 	case SIDL:
196 		*cp = 'R';
197 		break;
198 
199 	case SZOMB:
200 		*cp = 'Z';
201 		break;
202 
203 	default:
204 		*cp = '?';
205 	}
206 	cp++;
207 	if (!(flag & P_INMEM))
208 		*cp++ = 'W';
209 	if (p->p_nice < NZERO)
210 		*cp++ = '<';
211 	else if (p->p_nice > NZERO)
212 		*cp++ = 'N';
213 	if (flag & P_TRACED)
214 		*cp++ = 'X';
215 	if (flag & P_WEXIT && p->p_stat != SZOMB)
216 		*cp++ = 'E';
217 	if (flag & P_PPWAIT)
218 		*cp++ = 'V';
219 	if ((flag & P_SYSTEM) || p->p_lock > 0)
220 		*cp++ = 'L';
221 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
222 		*cp++ = 's';
223 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
224 		*cp++ = '+';
225 	if (flag & P_JAILED)
226 		*cp++ = 'J';
227 	*cp = '\0';
228 	(void)printf("%-*s", v->width, buf);
229 }
230 
231 void
232 pri(k, ve)
233 	KINFO *k;
234 	VARENT *ve;
235 {
236 	VAR *v;
237 
238 	v = ve->var;
239 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
240 }
241 
242 void
243 uname(k, ve)
244 	KINFO *k;
245 	VARENT *ve;
246 {
247 	VAR *v;
248 
249 	v = ve->var;
250 	(void)printf("%-*s",
251 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
252 }
253 
254 int
255 s_uname(k)
256 	KINFO *k;
257 {
258 	    return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0)));
259 }
260 
261 void
262 runame(k, ve)
263 	KINFO *k;
264 	VARENT *ve;
265 {
266 	VAR *v;
267 
268 	v = ve->var;
269 	(void)printf("%-*s",
270 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
271 }
272 
273 int
274 s_runame(k)
275 	KINFO *k;
276 {
277 	    return (strlen(user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0)));
278 }
279 
280 void
281 tdev(k, ve)
282 	KINFO *k;
283 	VARENT *ve;
284 {
285 	VAR *v;
286 	dev_t dev;
287 	char buff[16];
288 
289 	v = ve->var;
290 	dev = KI_EPROC(k)->e_tdev;
291 	if (dev == NODEV)
292 		(void)printf("%*s", v->width, "??");
293 	else {
294 		(void)snprintf(buff, sizeof(buff),
295 		    "%d/%d", major(dev), minor(dev));
296 		(void)printf("%*s", v->width, buff);
297 	}
298 }
299 
300 void
301 tname(k, ve)
302 	KINFO *k;
303 	VARENT *ve;
304 {
305 	VAR *v;
306 	dev_t dev;
307 	char *ttname;
308 
309 	v = ve->var;
310 	dev = KI_EPROC(k)->e_tdev;
311 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
312 		(void)printf("%*s ", v->width-1, "??");
313 	else {
314 		if (strncmp(ttname, "tty", 3) == 0 ||
315 		    strncmp(ttname, "cua", 3) == 0)
316 			ttname += 3;
317 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
318 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
319 	}
320 }
321 
322 void
323 longtname(k, ve)
324 	KINFO *k;
325 	VARENT *ve;
326 {
327 	VAR *v;
328 	dev_t dev;
329 	char *ttname;
330 
331 	v = ve->var;
332 	dev = KI_EPROC(k)->e_tdev;
333 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
334 		(void)printf("%-*s", v->width, "??");
335 	else
336 		(void)printf("%-*s", v->width, ttname);
337 }
338 
339 void
340 started(k, ve)
341 	KINFO *k;
342 	VARENT *ve;
343 {
344 	VAR *v;
345 	static time_t now;
346 	time_t then;
347 	struct tm *tp;
348 	char buf[100];
349 
350 	v = ve->var;
351 	if (!k->ki_u.u_valid) {
352 		(void)printf("%-*s", v->width, "-");
353 		return;
354 	}
355 
356 	then = k->ki_u.u_start.tv_sec;
357 	tp = localtime(&then);
358 	if (!now)
359 		(void)time(&now);
360 	if (now - k->ki_u.u_start.tv_sec < 24 * 3600) {
361 		/* I *hate* SCCS... */
362 		static char fmt[] = __CONCAT("%l:%", "M%p");
363 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
364 	} else if (now - k->ki_u.u_start.tv_sec < 7 * 86400) {
365 		/* I *hate* SCCS... */
366 		static char fmt[] = __CONCAT("%a%", "I%p");
367 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
368 	} else
369 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
370 	(void)printf("%-*s", v->width, buf);
371 }
372 
373 void
374 lstarted(k, ve)
375 	KINFO *k;
376 	VARENT *ve;
377 {
378 	VAR *v;
379 	time_t then;
380 	char buf[100];
381 
382 	v = ve->var;
383 	if (!k->ki_u.u_valid) {
384 		(void)printf("%-*s", v->width, "-");
385 		return;
386 	}
387 	then = k->ki_u.u_start.tv_sec;
388 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
389 	(void)printf("%-*s", v->width, buf);
390 }
391 
392 void
393 wchan(k, ve)
394 	KINFO *k;
395 	VARENT *ve;
396 {
397 	VAR *v;
398 
399 	v = ve->var;
400 	if (KI_PROC(k)->p_wchan) {
401 		if (KI_PROC(k)->p_wmesg)
402 			(void)printf("%-*.*s", v->width, v->width,
403 				      KI_EPROC(k)->e_wmesg);
404 		else
405 			(void)printf("%-*lx", v->width,
406 			    (long)KI_PROC(k)->p_wchan &~ KERNBASE);
407 	} else
408 		(void)printf("%-*s", v->width, "-");
409 }
410 
411 #ifndef pgtok
412 #define pgtok(a)        (((a)*getpagesize())/1024)
413 #endif
414 
415 void
416 vsize(k, ve)
417 	KINFO *k;
418 	VARENT *ve;
419 {
420 	VAR *v;
421 
422 	v = ve->var;
423 	(void)printf("%*d", v->width,
424 	    (KI_EPROC(k)->e_vm.vm_map.size/1024));
425 }
426 
427 void
428 rssize(k, ve)
429 	KINFO *k;
430 	VARENT *ve;
431 {
432 	VAR *v;
433 
434 	v = ve->var;
435 	/* XXX don't have info about shared */
436 	(void)printf("%*lu", v->width,
437 	    (u_long)pgtok(KI_EPROC(k)->e_vm.vm_rssize));
438 }
439 
440 void
441 p_rssize(k, ve)		/* doesn't account for text */
442 	KINFO *k;
443 	VARENT *ve;
444 {
445 	VAR *v;
446 
447 	v = ve->var;
448 	(void)printf("%*ld", v->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_rssize));
449 }
450 
451 void
452 cputime(k, ve)
453 	KINFO *k;
454 	VARENT *ve;
455 {
456 	VAR *v;
457 	long secs;
458 	long psecs;	/* "parts" of a second. first micro, then centi */
459 	char obuff[128];
460 
461 	v = ve->var;
462 	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
463 		secs = 0;
464 		psecs = 0;
465 	} else {
466 		/*
467 		 * This counts time spent handling interrupts.  We could
468 		 * fix this, but it is not 100% trivial (and interrupt
469 		 * time fractions only work on the sparc anyway).	XXX
470 		 */
471 		secs = KI_PROC(k)->p_runtime / 1000000;
472 		psecs = KI_PROC(k)->p_runtime % 1000000;
473 		if (sumrusage) {
474 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
475 				k->ki_u.u_cru.ru_stime.tv_sec;
476 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
477 				k->ki_u.u_cru.ru_stime.tv_usec;
478 		}
479 		/*
480 		 * round and scale to 100's
481 		 */
482 		psecs = (psecs + 5000) / 10000;
483 		secs += psecs / 100;
484 		psecs = psecs % 100;
485 	}
486 	(void)snprintf(obuff, sizeof(obuff),
487 	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
488 	(void)printf("%*s", v->width, obuff);
489 }
490 
491 double
492 getpcpu(k)
493 	KINFO *k;
494 {
495 	struct proc *p;
496 	static int failure;
497 
498 	if (!nlistread)
499 		failure = donlist();
500 	if (failure)
501 		return (0.0);
502 
503 	p = KI_PROC(k);
504 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
505 
506 	/* XXX - I don't like this */
507 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0)
508 		return (0.0);
509 	if (rawcpu)
510 		return (100.0 * fxtofl(p->p_pctcpu));
511 	return (100.0 * fxtofl(p->p_pctcpu) /
512 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
513 }
514 
515 void
516 pcpu(k, ve)
517 	KINFO *k;
518 	VARENT *ve;
519 {
520 	VAR *v;
521 
522 	v = ve->var;
523 	(void)printf("%*.1f", v->width, getpcpu(k));
524 }
525 
526 double
527 getpmem(k)
528 	KINFO *k;
529 {
530 	static int failure;
531 	struct proc *p;
532 	struct eproc *e;
533 	double fracmem;
534 	int szptudot;
535 
536 	if (!nlistread)
537 		failure = donlist();
538 	if (failure)
539 		return (0.0);
540 
541 	p = KI_PROC(k);
542 	e = KI_EPROC(k);
543 	if ((p->p_flag & P_INMEM) == 0)
544 		return (0.0);
545 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
546 	szptudot = UPAGES;
547 	/* XXX don't have info about shared */
548 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages;
549 	return (100.0 * fracmem);
550 }
551 
552 void
553 pmem(k, ve)
554 	KINFO *k;
555 	VARENT *ve;
556 {
557 	VAR *v;
558 
559 	v = ve->var;
560 	(void)printf("%*.1f", v->width, getpmem(k));
561 }
562 
563 void
564 pagein(k, ve)
565 	KINFO *k;
566 	VARENT *ve;
567 {
568 	VAR *v;
569 
570 	v = ve->var;
571 	(void)printf("%*ld", v->width,
572 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
573 }
574 
575 void
576 maxrss(k, ve)
577 	KINFO *k;
578 	VARENT *ve;
579 {
580 	VAR *v;
581 
582 	v = ve->var;
583 	/* XXX not yet */
584 	(void)printf("%*s", v->width, "-");
585 }
586 
587 void
588 tsize(k, ve)
589 	KINFO *k;
590 	VARENT *ve;
591 {
592 	VAR *v;
593 
594 	v = ve->var;
595 	(void)printf("%*ld", v->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_tsize));
596 }
597 
598 void
599 rtprior(k, ve)
600 	KINFO *k;
601 	VARENT *ve;
602 {
603 	VAR *v;
604 	struct rtprio *prtp;
605 	char str[8];
606 	unsigned prio, type;
607 
608 	v = ve->var;
609 	prtp = (struct rtprio *) ((char *)KI_PROC(k) + v->off);
610 	prio = prtp->prio;
611 	type = prtp->type;
612 	switch (type) {
613 	case RTP_PRIO_REALTIME:
614 		snprintf(str, sizeof(str), "real:%u", prio);
615 		break;
616 	case RTP_PRIO_NORMAL:
617 		strncpy(str, "normal", sizeof(str));
618 		break;
619 	case RTP_PRIO_IDLE:
620 		snprintf(str, sizeof(str), "idle:%u", prio);
621 		break;
622 	default:
623 		snprintf(str, sizeof(str), "%u:%u", type, prio);
624 		break;
625 	}
626 	str[sizeof(str) - 1] = '\0';
627 	(void)printf("%*s", v->width, str);
628 }
629 
630 /*
631  * Generic output routines.  Print fields from various prototype
632  * structures.
633  */
634 static void
635 printval(bp, v)
636 	char *bp;
637 	VAR *v;
638 {
639 	static char ofmt[32] = "%";
640 	char *fcp, *cp;
641 
642 	cp = ofmt + 1;
643 	fcp = v->fmt;
644 	if (v->flag & LJUST)
645 		*cp++ = '-';
646 	*cp++ = '*';
647 	while ((*cp++ = *fcp++));
648 
649 	switch (v->type) {
650 	case CHAR:
651 		(void)printf(ofmt, v->width, *(char *)bp);
652 		break;
653 	case UCHAR:
654 		(void)printf(ofmt, v->width, *(u_char *)bp);
655 		break;
656 	case SHORT:
657 		(void)printf(ofmt, v->width, *(short *)bp);
658 		break;
659 	case USHORT:
660 		(void)printf(ofmt, v->width, *(u_short *)bp);
661 		break;
662 	case INT:
663 		(void)printf(ofmt, v->width, *(int *)bp);
664 		break;
665 	case UINT:
666 		(void)printf(ofmt, v->width, *(u_int *)bp);
667 		break;
668 	case LONG:
669 		(void)printf(ofmt, v->width, *(long *)bp);
670 		break;
671 	case ULONG:
672 		(void)printf(ofmt, v->width, *(u_long *)bp);
673 		break;
674 	case KPTR:
675 		(void)printf(ofmt, v->width, *(u_long *)bp &~ KERNBASE);
676 		break;
677 	default:
678 		errx(1, "unknown type %d", v->type);
679 	}
680 }
681 
682 void
683 pvar(k, ve)
684 	KINFO *k;
685 	VARENT *ve;
686 {
687 	VAR *v;
688 
689 	v = ve->var;
690 	printval((char *)((char *)KI_PROC(k) + v->off), v);
691 }
692 
693 void
694 evar(k, ve)
695 	KINFO *k;
696 	VARENT *ve;
697 {
698 	VAR *v;
699 
700 	v = ve->var;
701 	printval((char *)((char *)KI_EPROC(k) + v->off), v);
702 }
703 
704 void
705 uvar(k, ve)
706 	KINFO *k;
707 	VARENT *ve;
708 {
709 	VAR *v;
710 
711 	v = ve->var;
712 	if (k->ki_u.u_valid)
713 		printval((char *)((char *)&k->ki_u + v->off), v);
714 	else
715 		(void)printf("%*s", v->width, "-");
716 }
717 
718 void
719 rvar(k, ve)
720 	KINFO *k;
721 	VARENT *ve;
722 {
723 	VAR *v;
724 
725 	v = ve->var;
726 	if (k->ki_u.u_valid)
727 		printval((char *)((char *)(&k->ki_u.u_ru) + v->off), v);
728 	else
729 		(void)printf("%*s", v->width, "-");
730 }
731