xref: /freebsd/bin/ps/print.c (revision 817420dc8eac7df799c78f5309b75092b7f7cd40) 
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)	/* interruptable (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 SWAIT:
200 		*cp = 'W';
201 		break;
202 
203 	case SMTX:
204 		*cp = 'M';
205 		break;
206 
207 	case SZOMB:
208 		*cp = 'Z';
209 		break;
210 
211 	default:
212 		*cp = '?';
213 	}
214 	cp++;
215 	if (!(flag & P_INMEM))
216 		*cp++ = 'W';
217 	if (p->p_nice < NZERO)
218 		*cp++ = '<';
219 	else if (p->p_nice > NZERO)
220 		*cp++ = 'N';
221 	if (flag & P_TRACED)
222 		*cp++ = 'X';
223 	if (flag & P_WEXIT && p->p_stat != SZOMB)
224 		*cp++ = 'E';
225 	if (flag & P_PPWAIT)
226 		*cp++ = 'V';
227 	if ((flag & P_SYSTEM) || p->p_lock > 0)
228 		*cp++ = 'L';
229 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
230 		*cp++ = 's';
231 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
232 		*cp++ = '+';
233 	if (flag & P_JAILED)
234 		*cp++ = 'J';
235 	*cp = '\0';
236 	(void)printf("%-*s", v->width, buf);
237 }
238 
239 void
240 pri(k, ve)
241 	KINFO *k;
242 	VARENT *ve;
243 {
244 	VAR *v;
245 
246 	v = ve->var;
247 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
248 }
249 
250 void
251 uname(k, ve)
252 	KINFO *k;
253 	VARENT *ve;
254 {
255 	VAR *v;
256 
257 	v = ve->var;
258 	(void)printf("%-*s",
259 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
260 }
261 
262 int
263 s_uname(k)
264 	KINFO *k;
265 {
266 	    return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0)));
267 }
268 
269 void
270 runame(k, ve)
271 	KINFO *k;
272 	VARENT *ve;
273 {
274 	VAR *v;
275 
276 	v = ve->var;
277 	(void)printf("%-*s",
278 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
279 }
280 
281 int
282 s_runame(k)
283 	KINFO *k;
284 {
285 	    return (strlen(user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0)));
286 }
287 
288 void
289 tdev(k, ve)
290 	KINFO *k;
291 	VARENT *ve;
292 {
293 	VAR *v;
294 	dev_t dev;
295 	char buff[16];
296 
297 	v = ve->var;
298 	dev = KI_EPROC(k)->e_tdev;
299 	if (dev == NODEV)
300 		(void)printf("%*s", v->width, "??");
301 	else {
302 		(void)snprintf(buff, sizeof(buff),
303 		    "%d/%d", major(dev), minor(dev));
304 		(void)printf("%*s", v->width, buff);
305 	}
306 }
307 
308 void
309 tname(k, ve)
310 	KINFO *k;
311 	VARENT *ve;
312 {
313 	VAR *v;
314 	dev_t dev;
315 	char *ttname;
316 
317 	v = ve->var;
318 	dev = KI_EPROC(k)->e_tdev;
319 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
320 		(void)printf("%*s ", v->width-1, "??");
321 	else {
322 		if (strncmp(ttname, "tty", 3) == 0 ||
323 		    strncmp(ttname, "cua", 3) == 0)
324 			ttname += 3;
325 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
326 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
327 	}
328 }
329 
330 void
331 longtname(k, ve)
332 	KINFO *k;
333 	VARENT *ve;
334 {
335 	VAR *v;
336 	dev_t dev;
337 	char *ttname;
338 
339 	v = ve->var;
340 	dev = KI_EPROC(k)->e_tdev;
341 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
342 		(void)printf("%-*s", v->width, "??");
343 	else
344 		(void)printf("%-*s", v->width, ttname);
345 }
346 
347 void
348 started(k, ve)
349 	KINFO *k;
350 	VARENT *ve;
351 {
352 	VAR *v;
353 	static time_t now;
354 	time_t then;
355 	struct tm *tp;
356 	char buf[100];
357 
358 	v = ve->var;
359 	if (!k->ki_u.u_valid) {
360 		(void)printf("%-*s", v->width, "-");
361 		return;
362 	}
363 
364 	then = k->ki_u.u_start.tv_sec;
365 	tp = localtime(&then);
366 	if (!now)
367 		(void)time(&now);
368 	if (now - k->ki_u.u_start.tv_sec < 24 * 3600) {
369 		(void)strftime(buf, sizeof(buf) - 1, "%l:%M%p", tp);
370 	} else if (now - k->ki_u.u_start.tv_sec < 7 * 86400) {
371 		(void)strftime(buf, sizeof(buf) - 1, "%a%I%p", tp);
372 	} else
373 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
374 	(void)printf("%-*s", v->width, buf);
375 }
376 
377 void
378 lstarted(k, ve)
379 	KINFO *k;
380 	VARENT *ve;
381 {
382 	VAR *v;
383 	time_t then;
384 	char buf[100];
385 
386 	v = ve->var;
387 	if (!k->ki_u.u_valid) {
388 		(void)printf("%-*s", v->width, "-");
389 		return;
390 	}
391 	then = k->ki_u.u_start.tv_sec;
392 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
393 	(void)printf("%-*s", v->width, buf);
394 }
395 
396 void
397 wchan(k, ve)
398 	KINFO *k;
399 	VARENT *ve;
400 {
401 	VAR *v;
402 
403 	v = ve->var;
404 	if (KI_PROC(k)->p_wchan) {
405 		if (KI_PROC(k)->p_wmesg)
406 			(void)printf("%-*.*s", v->width, v->width,
407 				      KI_EPROC(k)->e_wmesg);
408 		else
409 			(void)printf("%-*lx", v->width,
410 			    (long)KI_PROC(k)->p_wchan &~ KERNBASE);
411 	} else
412 		(void)printf("%-*s", v->width, "-");
413 }
414 
415 #ifndef pgtok
416 #define pgtok(a)        (((a)*getpagesize())/1024)
417 #endif
418 
419 void
420 vsize(k, ve)
421 	KINFO *k;
422 	VARENT *ve;
423 {
424 	VAR *v;
425 
426 	v = ve->var;
427 	(void)printf("%*d", v->width,
428 	    (KI_EPROC(k)->e_vm.vm_map.size/1024));
429 }
430 
431 void
432 rssize(k, ve)
433 	KINFO *k;
434 	VARENT *ve;
435 {
436 	VAR *v;
437 
438 	v = ve->var;
439 	/* XXX don't have info about shared */
440 	(void)printf("%*lu", v->width,
441 	    (u_long)pgtok(KI_EPROC(k)->e_vm.vm_rssize));
442 }
443 
444 void
445 p_rssize(k, ve)		/* doesn't account for text */
446 	KINFO *k;
447 	VARENT *ve;
448 {
449 	VAR *v;
450 
451 	v = ve->var;
452 	(void)printf("%*ld", v->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_rssize));
453 }
454 
455 void
456 cputime(k, ve)
457 	KINFO *k;
458 	VARENT *ve;
459 {
460 	VAR *v;
461 	long secs;
462 	long psecs;	/* "parts" of a second. first micro, then centi */
463 	char obuff[128];
464 
465 	v = ve->var;
466 	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
467 		secs = 0;
468 		psecs = 0;
469 	} else {
470 		/*
471 		 * This counts time spent handling interrupts.  We could
472 		 * fix this, but it is not 100% trivial (and interrupt
473 		 * time fractions only work on the sparc anyway).	XXX
474 		 */
475 		secs = KI_PROC(k)->p_runtime / 1000000;
476 		psecs = KI_PROC(k)->p_runtime % 1000000;
477 		if (sumrusage) {
478 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
479 				k->ki_u.u_cru.ru_stime.tv_sec;
480 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
481 				k->ki_u.u_cru.ru_stime.tv_usec;
482 		}
483 		/*
484 		 * round and scale to 100's
485 		 */
486 		psecs = (psecs + 5000) / 10000;
487 		secs += psecs / 100;
488 		psecs = psecs % 100;
489 	}
490 	(void)snprintf(obuff, sizeof(obuff),
491 	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
492 	(void)printf("%*s", v->width, obuff);
493 }
494 
495 double
496 getpcpu(k)
497 	KINFO *k;
498 {
499 	struct proc *p;
500 	static int failure;
501 
502 	if (!nlistread)
503 		failure = donlist();
504 	if (failure)
505 		return (0.0);
506 
507 	p = KI_PROC(k);
508 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
509 
510 	/* XXX - I don't like this */
511 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0)
512 		return (0.0);
513 	if (rawcpu)
514 		return (100.0 * fxtofl(p->p_pctcpu));
515 	return (100.0 * fxtofl(p->p_pctcpu) /
516 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
517 }
518 
519 void
520 pcpu(k, ve)
521 	KINFO *k;
522 	VARENT *ve;
523 {
524 	VAR *v;
525 
526 	v = ve->var;
527 	(void)printf("%*.1f", v->width, getpcpu(k));
528 }
529 
530 double
531 getpmem(k)
532 	KINFO *k;
533 {
534 	static int failure;
535 	struct proc *p;
536 	struct eproc *e;
537 	double fracmem;
538 	int szptudot;
539 
540 	if (!nlistread)
541 		failure = donlist();
542 	if (failure)
543 		return (0.0);
544 
545 	p = KI_PROC(k);
546 	e = KI_EPROC(k);
547 	if ((p->p_flag & P_INMEM) == 0)
548 		return (0.0);
549 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
550 	szptudot = UPAGES;
551 	/* XXX don't have info about shared */
552 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages;
553 	return (100.0 * fracmem);
554 }
555 
556 void
557 pmem(k, ve)
558 	KINFO *k;
559 	VARENT *ve;
560 {
561 	VAR *v;
562 
563 	v = ve->var;
564 	(void)printf("%*.1f", v->width, getpmem(k));
565 }
566 
567 void
568 pagein(k, ve)
569 	KINFO *k;
570 	VARENT *ve;
571 {
572 	VAR *v;
573 
574 	v = ve->var;
575 	(void)printf("%*ld", v->width,
576 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
577 }
578 
579 void
580 maxrss(k, ve)
581 	KINFO *k;
582 	VARENT *ve;
583 {
584 	VAR *v;
585 
586 	v = ve->var;
587 	/* XXX not yet */
588 	(void)printf("%*s", v->width, "-");
589 }
590 
591 void
592 tsize(k, ve)
593 	KINFO *k;
594 	VARENT *ve;
595 {
596 	VAR *v;
597 
598 	v = ve->var;
599 	(void)printf("%*ld", v->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_tsize));
600 }
601 
602 void
603 rtprior(k, ve)
604 	KINFO *k;
605 	VARENT *ve;
606 {
607 	VAR *v;
608 	struct rtprio *prtp;
609 	char str[8];
610 	unsigned prio, type;
611 
612 	v = ve->var;
613 	prtp = (struct rtprio *) ((char *)KI_PROC(k) + v->off);
614 	prio = prtp->prio;
615 	type = prtp->type;
616 	switch (type) {
617 	case RTP_PRIO_REALTIME:
618 		snprintf(str, sizeof(str), "real:%u", prio);
619 		break;
620 	case RTP_PRIO_NORMAL:
621 		strncpy(str, "normal", sizeof(str));
622 		break;
623 	case RTP_PRIO_IDLE:
624 		snprintf(str, sizeof(str), "idle:%u", prio);
625 		break;
626 	default:
627 		snprintf(str, sizeof(str), "%u:%u", type, prio);
628 		break;
629 	}
630 	str[sizeof(str) - 1] = '\0';
631 	(void)printf("%*s", v->width, str);
632 }
633 
634 /*
635  * Generic output routines.  Print fields from various prototype
636  * structures.
637  */
638 static void
639 printval(bp, v)
640 	char *bp;
641 	VAR *v;
642 {
643 	static char ofmt[32] = "%";
644 	char *fcp, *cp;
645 
646 	cp = ofmt + 1;
647 	fcp = v->fmt;
648 	if (v->flag & LJUST)
649 		*cp++ = '-';
650 	*cp++ = '*';
651 	while ((*cp++ = *fcp++));
652 
653 	switch (v->type) {
654 	case CHAR:
655 		(void)printf(ofmt, v->width, *(char *)bp);
656 		break;
657 	case UCHAR:
658 		(void)printf(ofmt, v->width, *(u_char *)bp);
659 		break;
660 	case SHORT:
661 		(void)printf(ofmt, v->width, *(short *)bp);
662 		break;
663 	case USHORT:
664 		(void)printf(ofmt, v->width, *(u_short *)bp);
665 		break;
666 	case INT:
667 		(void)printf(ofmt, v->width, *(int *)bp);
668 		break;
669 	case UINT:
670 		(void)printf(ofmt, v->width, *(u_int *)bp);
671 		break;
672 	case LONG:
673 		(void)printf(ofmt, v->width, *(long *)bp);
674 		break;
675 	case ULONG:
676 		(void)printf(ofmt, v->width, *(u_long *)bp);
677 		break;
678 	case KPTR:
679 		(void)printf(ofmt, v->width, *(u_long *)bp &~ KERNBASE);
680 		break;
681 	default:
682 		errx(1, "unknown type %d", v->type);
683 	}
684 }
685 
686 void
687 pvar(k, ve)
688 	KINFO *k;
689 	VARENT *ve;
690 {
691 	VAR *v;
692 
693 	v = ve->var;
694 	printval((char *)((char *)KI_PROC(k) + v->off), v);
695 }
696 
697 void
698 evar(k, ve)
699 	KINFO *k;
700 	VARENT *ve;
701 {
702 	VAR *v;
703 
704 	v = ve->var;
705 	printval((char *)((char *)KI_EPROC(k) + v->off), v);
706 }
707 
708 void
709 uvar(k, ve)
710 	KINFO *k;
711 	VARENT *ve;
712 {
713 	VAR *v;
714 
715 	v = ve->var;
716 	if (k->ki_u.u_valid)
717 		printval((char *)((char *)&k->ki_u + v->off), v);
718 	else
719 		(void)printf("%*s", v->width, "-");
720 }
721 
722 void
723 rvar(k, ve)
724 	KINFO *k;
725 	VARENT *ve;
726 {
727 	VAR *v;
728 
729 	v = ve->var;
730 	if (k->ki_u.u_valid)
731 		printval((char *)((char *)(&k->ki_u.u_ru) + v->off), v);
732 	else
733 		(void)printf("%*s", v->width, "-");
734 }
735