xref: /freebsd/bin/ps/print.c (revision c68159a6d8eede11766cf13896d0f7670dbd51aa) 
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", k->ki_p->ki_comm);
100 		else
101 			(void)printf("%-*s", v->width, k->ki_p->ki_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, k->ki_p->ki_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 = k->ki_p->ki_login, *s) ? s : "-");
163 }
164 
165 void
166 state(k, ve)
167 	KINFO *k;
168 	VARENT *ve;
169 {
170 	int flag;
171 	char *cp;
172 	VAR *v;
173 	char buf[16];
174 
175 	v = ve->var;
176 	flag = k->ki_p->ki_flag;
177 	cp = buf;
178 
179 	switch (k->ki_p->ki_stat) {
180 
181 	case SSTOP:
182 		*cp = 'T';
183 		break;
184 
185 	case SSLEEP:
186 		if (flag & P_SINTR)	/* interruptable (long) */
187 			*cp = k->ki_p->ki_slptime >= MAXSLP ? 'I' : 'S';
188 		else
189 			*cp = 'D';
190 		break;
191 
192 	case SRUN:
193 	case SIDL:
194 		*cp = 'R';
195 		break;
196 
197 	case SWAIT:
198 		*cp = 'W';
199 		break;
200 
201 	case SMTX:
202 		*cp = 'M';
203 		break;
204 
205 	case SZOMB:
206 		*cp = 'Z';
207 		break;
208 
209 	default:
210 		*cp = '?';
211 	}
212 	cp++;
213 	if (!(flag & P_INMEM))
214 		*cp++ = 'W';
215 	if (k->ki_p->ki_nice < NZERO)
216 		*cp++ = '<';
217 	else if (k->ki_p->ki_nice > NZERO)
218 		*cp++ = 'N';
219 	if (flag & P_TRACED)
220 		*cp++ = 'X';
221 	if (flag & P_WEXIT && k->ki_p->ki_stat != SZOMB)
222 		*cp++ = 'E';
223 	if (flag & P_PPWAIT)
224 		*cp++ = 'V';
225 	if ((flag & P_SYSTEM) || k->ki_p->ki_lock > 0)
226 		*cp++ = 'L';
227 	if (k->ki_p->ki_kiflag & KI_SLEADER)
228 		*cp++ = 's';
229 	if ((flag & P_CONTROLT) && k->ki_p->ki_pgid == k->ki_p->ki_tpgid)
230 		*cp++ = '+';
231 	if (flag & P_JAILED)
232 		*cp++ = 'J';
233 	*cp = '\0';
234 	(void)printf("%-*s", v->width, buf);
235 }
236 
237 void
238 pri(k, ve)
239 	KINFO *k;
240 	VARENT *ve;
241 {
242 	VAR *v;
243 
244 	v = ve->var;
245 	(void)printf("%*d", v->width, k->ki_p->ki_priority - PZERO);
246 }
247 
248 void
249 uname(k, ve)
250 	KINFO *k;
251 	VARENT *ve;
252 {
253 	VAR *v;
254 
255 	v = ve->var;
256 	(void)printf("%-*s",
257 	    (int)v->width, user_from_uid(k->ki_p->ki_uid, 0));
258 }
259 
260 int
261 s_uname(k)
262 	KINFO *k;
263 {
264 	    return (strlen(user_from_uid(k->ki_p->ki_uid, 0)));
265 }
266 
267 void
268 runame(k, ve)
269 	KINFO *k;
270 	VARENT *ve;
271 {
272 	VAR *v;
273 
274 	v = ve->var;
275 	(void)printf("%-*s",
276 	    (int)v->width, user_from_uid(k->ki_p->ki_ruid, 0));
277 }
278 
279 int
280 s_runame(k)
281 	KINFO *k;
282 {
283 	    return (strlen(user_from_uid(k->ki_p->ki_ruid, 0)));
284 }
285 
286 void
287 tdev(k, ve)
288 	KINFO *k;
289 	VARENT *ve;
290 {
291 	VAR *v;
292 	dev_t dev;
293 	char buff[16];
294 
295 	v = ve->var;
296 	dev = k->ki_p->ki_tdev;
297 	if (dev == NODEV)
298 		(void)printf("%*s", v->width, "??");
299 	else {
300 		(void)snprintf(buff, sizeof(buff),
301 		    "%d/%d", major(dev), minor(dev));
302 		(void)printf("%*s", v->width, buff);
303 	}
304 }
305 
306 void
307 tname(k, ve)
308 	KINFO *k;
309 	VARENT *ve;
310 {
311 	VAR *v;
312 	dev_t dev;
313 	char *ttname;
314 
315 	v = ve->var;
316 	dev = k->ki_p->ki_tdev;
317 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
318 		(void)printf("%*s ", v->width-1, "??");
319 	else {
320 		if (strncmp(ttname, "tty", 3) == 0 ||
321 		    strncmp(ttname, "cua", 3) == 0)
322 			ttname += 3;
323 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
324 			k->ki_p->ki_kiflag & KI_CTTY ? ' ' : '-');
325 	}
326 }
327 
328 void
329 longtname(k, ve)
330 	KINFO *k;
331 	VARENT *ve;
332 {
333 	VAR *v;
334 	dev_t dev;
335 	char *ttname;
336 
337 	v = ve->var;
338 	dev = k->ki_p->ki_tdev;
339 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
340 		(void)printf("%-*s", v->width, "??");
341 	else
342 		(void)printf("%-*s", v->width, ttname);
343 }
344 
345 void
346 started(k, ve)
347 	KINFO *k;
348 	VARENT *ve;
349 {
350 	VAR *v;
351 	static time_t now;
352 	time_t then;
353 	struct tm *tp;
354 	char buf[100];
355 
356 	v = ve->var;
357 	if (!k->ki_valid) {
358 		(void)printf("%-*s", v->width, "-");
359 		return;
360 	}
361 
362 	then = k->ki_p->ki_start.tv_sec;
363 	tp = localtime(&then);
364 	if (!now)
365 		(void)time(&now);
366 	if (now - k->ki_p->ki_start.tv_sec < 24 * 3600) {
367 		(void)strftime(buf, sizeof(buf) - 1, "%l:%M%p", tp);
368 	} else if (now - k->ki_p->ki_start.tv_sec < 7 * 86400) {
369 		(void)strftime(buf, sizeof(buf) - 1, "%a%I%p", tp);
370 	} else
371 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
372 	(void)printf("%-*s", v->width, buf);
373 }
374 
375 void
376 lstarted(k, ve)
377 	KINFO *k;
378 	VARENT *ve;
379 {
380 	VAR *v;
381 	time_t then;
382 	char buf[100];
383 
384 	v = ve->var;
385 	if (!k->ki_valid) {
386 		(void)printf("%-*s", v->width, "-");
387 		return;
388 	}
389 	then = k->ki_p->ki_start.tv_sec;
390 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
391 	(void)printf("%-*s", v->width, buf);
392 }
393 
394 void
395 mtxname(k, ve)
396 	KINFO *k;
397 	VARENT *ve;
398 {
399 	VAR *v;
400 
401 	v = ve->var;
402 	if (k->ki_p->ki_kiflag & KI_MTXBLOCK) {
403 		if (k->ki_p->ki_mtxname[0] != 0)
404 			(void)printf("%-*.*s", v->width, v->width,
405 				      k->ki_p->ki_mtxname);
406 		else
407 			(void)printf("%-*s", v->width, "???");
408 	} else
409 		(void)printf("%-*s", v->width, "-");
410 }
411 
412 void
413 wchan(k, ve)
414 	KINFO *k;
415 	VARENT *ve;
416 {
417 	VAR *v;
418 
419 	v = ve->var;
420 	if (k->ki_p->ki_wchan) {
421 		if (k->ki_p->ki_wmesg[0] != 0)
422 			(void)printf("%-*.*s", v->width, v->width,
423 				      k->ki_p->ki_wmesg);
424 		else
425 			(void)printf("%-*lx", v->width,
426 			    (long)k->ki_p->ki_wchan &~ KERNBASE);
427 	} else
428 		(void)printf("%-*s", v->width, "-");
429 }
430 
431 #ifndef pgtok
432 #define pgtok(a)        (((a)*getpagesize())/1024)
433 #endif
434 
435 void
436 vsize(k, ve)
437 	KINFO *k;
438 	VARENT *ve;
439 {
440 	VAR *v;
441 
442 	v = ve->var;
443 	(void)printf("%*d", v->width,
444 	    (k->ki_p->ki_size/1024));
445 }
446 
447 void
448 rssize(k, ve)
449 	KINFO *k;
450 	VARENT *ve;
451 {
452 	VAR *v;
453 
454 	v = ve->var;
455 	/* XXX don't have info about shared */
456 	(void)printf("%*lu", v->width,
457 	    (u_long)pgtok(k->ki_p->ki_rssize));
458 }
459 
460 void
461 p_rssize(k, ve)		/* doesn't account for text */
462 	KINFO *k;
463 	VARENT *ve;
464 {
465 	VAR *v;
466 
467 	v = ve->var;
468 	(void)printf("%*ld", v->width, (long)pgtok(k->ki_p->ki_rssize));
469 }
470 
471 void
472 cputime(k, ve)
473 	KINFO *k;
474 	VARENT *ve;
475 {
476 	VAR *v;
477 	long secs;
478 	long psecs;	/* "parts" of a second. first micro, then centi */
479 	char obuff[128];
480 
481 	v = ve->var;
482 	if (k->ki_p->ki_stat == SZOMB || !k->ki_valid) {
483 		secs = 0;
484 		psecs = 0;
485 	} else {
486 		/*
487 		 * This counts time spent handling interrupts.  We could
488 		 * fix this, but it is not 100% trivial (and interrupt
489 		 * time fractions only work on the sparc anyway).	XXX
490 		 */
491 		secs = k->ki_p->ki_runtime / 1000000;
492 		psecs = k->ki_p->ki_runtime % 1000000;
493 		if (sumrusage) {
494 			secs += k->ki_p->ki_childtime.tv_sec;
495 			psecs += k->ki_p->ki_childtime.tv_usec;
496 		}
497 		/*
498 		 * round and scale to 100's
499 		 */
500 		psecs = (psecs + 5000) / 10000;
501 		secs += psecs / 100;
502 		psecs = psecs % 100;
503 	}
504 	(void)snprintf(obuff, sizeof(obuff),
505 	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
506 	(void)printf("%*s", v->width, obuff);
507 }
508 
509 double
510 getpcpu(k)
511 	KINFO *k;
512 {
513 	static int failure;
514 
515 	if (!nlistread)
516 		failure = donlist();
517 	if (failure)
518 		return (0.0);
519 
520 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
521 
522 	/* XXX - I don't like this */
523 	if (k->ki_p->ki_swtime == 0 || (k->ki_p->ki_flag & P_INMEM) == 0)
524 		return (0.0);
525 	if (rawcpu)
526 		return (100.0 * fxtofl(k->ki_p->ki_pctcpu));
527 	return (100.0 * fxtofl(k->ki_p->ki_pctcpu) /
528 		(1.0 - exp(k->ki_p->ki_swtime * log(fxtofl(ccpu)))));
529 }
530 
531 void
532 pcpu(k, ve)
533 	KINFO *k;
534 	VARENT *ve;
535 {
536 	VAR *v;
537 
538 	v = ve->var;
539 	(void)printf("%*.1f", v->width, getpcpu(k));
540 }
541 
542 double
543 getpmem(k)
544 	KINFO *k;
545 {
546 	static int failure;
547 	double fracmem;
548 	int szptudot;
549 
550 	if (!nlistread)
551 		failure = donlist();
552 	if (failure)
553 		return (0.0);
554 
555 	if ((k->ki_p->ki_flag & P_INMEM) == 0)
556 		return (0.0);
557 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
558 	szptudot = UPAGES;
559 	/* XXX don't have info about shared */
560 	fracmem = ((float)k->ki_p->ki_rssize + szptudot)/mempages;
561 	return (100.0 * fracmem);
562 }
563 
564 void
565 pmem(k, ve)
566 	KINFO *k;
567 	VARENT *ve;
568 {
569 	VAR *v;
570 
571 	v = ve->var;
572 	(void)printf("%*.1f", v->width, getpmem(k));
573 }
574 
575 void
576 pagein(k, ve)
577 	KINFO *k;
578 	VARENT *ve;
579 {
580 	VAR *v;
581 
582 	v = ve->var;
583 	(void)printf("%*ld", v->width,
584 	    k->ki_valid ? k->ki_p->ki_rusage.ru_majflt : 0);
585 }
586 
587 void
588 maxrss(k, ve)
589 	KINFO *k;
590 	VARENT *ve;
591 {
592 	VAR *v;
593 
594 	v = ve->var;
595 	/* XXX not yet */
596 	(void)printf("%*s", v->width, "-");
597 }
598 
599 void
600 tsize(k, ve)
601 	KINFO *k;
602 	VARENT *ve;
603 {
604 	VAR *v;
605 
606 	v = ve->var;
607 	(void)printf("%*ld", v->width, (long)pgtok(k->ki_p->ki_tsize));
608 }
609 
610 void
611 rtprior(k, ve)
612 	KINFO *k;
613 	VARENT *ve;
614 {
615 	VAR *v;
616 	struct rtprio *prtp;
617 	char str[8];
618 	unsigned prio, type;
619 
620 	v = ve->var;
621 	prtp = (struct rtprio *) ((char *)k + v->off);
622 	prio = prtp->prio;
623 	type = prtp->type;
624 	switch (type) {
625 	case RTP_PRIO_REALTIME:
626 		snprintf(str, sizeof(str), "real:%u", prio);
627 		break;
628 	case RTP_PRIO_NORMAL:
629 		strncpy(str, "normal", sizeof(str));
630 		break;
631 	case RTP_PRIO_IDLE:
632 		snprintf(str, sizeof(str), "idle:%u", prio);
633 		break;
634 	default:
635 		snprintf(str, sizeof(str), "%u:%u", type, prio);
636 		break;
637 	}
638 	str[sizeof(str) - 1] = '\0';
639 	(void)printf("%*s", v->width, str);
640 }
641 
642 /*
643  * Generic output routines.  Print fields from various prototype
644  * structures.
645  */
646 static void
647 printval(bp, v)
648 	char *bp;
649 	VAR *v;
650 {
651 	static char ofmt[32] = "%";
652 	char *fcp, *cp;
653 
654 	cp = ofmt + 1;
655 	fcp = v->fmt;
656 	if (v->flag & LJUST)
657 		*cp++ = '-';
658 	*cp++ = '*';
659 	while ((*cp++ = *fcp++));
660 
661 	switch (v->type) {
662 	case CHAR:
663 		(void)printf(ofmt, v->width, *(char *)bp);
664 		break;
665 	case UCHAR:
666 		(void)printf(ofmt, v->width, *(u_char *)bp);
667 		break;
668 	case SHORT:
669 		(void)printf(ofmt, v->width, *(short *)bp);
670 		break;
671 	case USHORT:
672 		(void)printf(ofmt, v->width, *(u_short *)bp);
673 		break;
674 	case INT:
675 		(void)printf(ofmt, v->width, *(int *)bp);
676 		break;
677 	case UINT:
678 		(void)printf(ofmt, v->width, *(u_int *)bp);
679 		break;
680 	case LONG:
681 		(void)printf(ofmt, v->width, *(long *)bp);
682 		break;
683 	case ULONG:
684 		(void)printf(ofmt, v->width, *(u_long *)bp);
685 		break;
686 	case KPTR:
687 		(void)printf(ofmt, v->width, *(u_long *)bp &~ KERNBASE);
688 		break;
689 	default:
690 		errx(1, "unknown type %d", v->type);
691 	}
692 }
693 
694 void
695 kvar(k, ve)
696 	KINFO *k;
697 	VARENT *ve;
698 {
699 	VAR *v;
700 
701 	v = ve->var;
702 	printval((char *)((char *)k->ki_p + v->off), v);
703 }
704 
705 void
706 rvar(k, ve)
707 	KINFO *k;
708 	VARENT *ve;
709 {
710 	VAR *v;
711 
712 	v = ve->var;
713 	if (k->ki_valid)
714 		printval((char *)((char *)(&k->ki_p->ki_rusage) + v->off), v);
715 	else
716 		(void)printf("%*s", v->width, "-");
717 }
718