xref: /netbsd-src/bin/ps/print.c (revision ae9172d6cd9432a6a1a56760d86b32c57a66c39c)
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 static char sccsid[] = "@(#)print.c	8.6 (Berkeley) 4/16/94";
36 #endif /* not lint */
37 
38 #include <sys/param.h>
39 #include <sys/time.h>
40 #include <sys/resource.h>
41 #include <sys/proc.h>
42 #include <sys/stat.h>
43 
44 #ifdef P_PPWAIT
45 #define NEWVM
46 #endif
47 
48 #ifdef NEWVM
49 #include <sys/ucred.h>
50 #include <sys/sysctl.h>
51 #include <vm/vm.h>
52 #else
53 #include <machine/pte.h>
54 #include <sys/vmparam.h>
55 #include <sys/vm.h>
56 #endif
57 
58 #include <err.h>
59 #include <math.h>
60 #include <nlist.h>
61 #include <stddef.h>
62 #include <stdio.h>
63 #include <stdlib.h>
64 #include <string.h>
65 #include <vis.h>
66 #include <tzfile.h>
67 #include <unistd.h>
68 
69 #include "ps.h"
70 
71 void
72 printheader()
73 {
74 	VAR *v;
75 	struct varent *vent;
76 
77 	for (vent = vhead; vent; vent = vent->next) {
78 		v = vent->var;
79 		if (v->flag & LJUST) {
80 			if (vent->next == NULL)	/* last one */
81 				(void)printf("%s", v->header);
82 			else
83 				(void)printf("%-*s", v->width, v->header);
84 		} else
85 			(void)printf("%*s", v->width, v->header);
86 		if (vent->next != NULL)
87 			(void)putchar(' ');
88 	}
89 	(void)putchar('\n');
90 }
91 
92 void
93 command(k, ve)
94 	KINFO *k;
95 	VARENT *ve;
96 {
97 	VAR *v;
98 	int left;
99 	char *cp, *vis_env, *vis_args;
100 
101 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
102 		err(1, NULL);
103 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
104 	if (k->ki_env) {
105 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
106 			err(1, NULL);
107 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
108 	} else
109 		vis_env = NULL;
110 
111 	v = ve->var;
112 	if (ve->next == NULL) {
113 		/* last field */
114 		if (termwidth == UNLIMITED) {
115 			if (vis_env)
116 				(void)printf("%s ", vis_env);
117 			(void)printf("%s", vis_args);
118 		} else {
119 			left = termwidth - (totwidth - v->width);
120 			if (left < 1) /* already wrapped, just use std width */
121 				left = v->width;
122 			if ((cp = vis_env) != NULL) {
123 				while (--left >= 0 && *cp)
124 					(void)putchar(*cp++);
125 				if (--left >= 0)
126 					putchar(' ');
127 			}
128 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
129 				(void)putchar(*cp++);
130 		}
131 	} else
132 		/* XXX env? */
133 		(void)printf("%-*.*s", v->width, v->width, vis_args);
134 	free(vis_args);
135 	if (vis_env != NULL)
136 		free(vis_env);
137 }
138 
139 void
140 ucomm(k, ve)
141 	KINFO *k;
142 	VARENT *ve;
143 {
144 	VAR *v;
145 
146 	v = ve->var;
147 	(void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
148 }
149 
150 void
151 logname(k, ve)
152 	KINFO *k;
153 	VARENT *ve;
154 {
155 	VAR *v;
156 
157 	v = ve->var;
158 #ifndef NEWVM
159 	(void)printf("%-*s", v->width, KI_PROC(k)->p_logname);
160 #else
161 	(void)printf("%-*s", v->width, KI_EPROC(k)->e_login);
162 #endif
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 #ifndef NEWVM
209 		if (p->p_rssize > p->p_maxrss)
210 			*cp++ = '>';
211 #endif
212 	} else
213 		*cp++ = 'W';
214 	if (p->p_nice < NZERO)
215 		*cp++ = '<';
216 	else if (p->p_nice > NZERO)
217 		*cp++ = 'N';
218 #ifndef NEWVM
219 	if (flag & SUANOM)
220 		*cp++ = 'A';
221 	else if (flag & SSEQL)
222 		*cp++ = 'S';
223 #endif
224 	if (flag & P_TRACED)
225 		*cp++ = 'X';
226 	if (flag & P_WEXIT && p->p_stat != SZOMB)
227 		*cp++ = 'E';
228 #ifdef NEWVM
229 	if (flag & P_PPWAIT)
230 #else
231 	if (flag & SVFORK)
232 #endif
233 		*cp++ = 'V';
234 #ifdef NEWVM
235 	if ((flag & P_SYSTEM) || p->p_holdcnt)
236 #else
237 	if (flag & (SSYS|SLOCK|SULOCK|SKEEP|SPHYSIO))
238 #endif
239 		*cp++ = 'L';
240 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
241 		*cp++ = 's';
242 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
243 		*cp++ = '+';
244 	*cp = '\0';
245 	(void)printf("%-*s", v->width, buf);
246 }
247 
248 void
249 pri(k, ve)
250 	KINFO *k;
251 	VARENT *ve;
252 {
253 	VAR *v;
254 
255 	v = ve->var;
256 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
257 }
258 
259 void
260 uname(k, ve)
261 	KINFO *k;
262 	VARENT *ve;
263 {
264 	VAR *v;
265 
266 	v = ve->var;
267 #ifndef NEWVM
268 	(void)printf("%-*s",
269 	    (int)v->width, user_from_uid(KI_PROC(k)->p_uid, 0));
270 #else
271 	(void)printf("%-*s",
272 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
273 #endif
274 }
275 
276 void
277 runame(k, ve)
278 	KINFO *k;
279 	VARENT *ve;
280 {
281 	VAR *v;
282 
283 	v = ve->var;
284 #ifndef NEWVM
285 	(void)printf("%-*s",
286 	    (int)v->width, user_from_uid(KI_PROC(k)->p_ruid, 0));
287 #else
288 	(void)printf("%-*s",
289 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
290 #endif
291 }
292 
293 void
294 tdev(k, ve)
295 	KINFO *k;
296 	VARENT *ve;
297 {
298 	VAR *v;
299 	dev_t dev;
300 	char buff[16];
301 
302 	v = ve->var;
303 	dev = KI_EPROC(k)->e_tdev;
304 	if (dev == NODEV)
305 		(void)printf("%*s", v->width, "??");
306 	else {
307 		(void)snprintf(buff, sizeof(buff),
308 		    "%d/%d", major(dev), minor(dev));
309 		(void)printf("%*s", v->width, buff);
310 	}
311 }
312 
313 void
314 tname(k, ve)
315 	KINFO *k;
316 	VARENT *ve;
317 {
318 	VAR *v;
319 	dev_t dev;
320 	char *ttname;
321 
322 	v = ve->var;
323 	dev = KI_EPROC(k)->e_tdev;
324 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
325 		(void)printf("%-*s", v->width, "??");
326 	else {
327 		if (strncmp(ttname, "tty", 3) == 0)
328 			ttname += 3;
329 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
330 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
331 	}
332 }
333 
334 void
335 longtname(k, ve)
336 	KINFO *k;
337 	VARENT *ve;
338 {
339 	VAR *v;
340 	dev_t dev;
341 	char *ttname;
342 
343 	v = ve->var;
344 	dev = KI_EPROC(k)->e_tdev;
345 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
346 		(void)printf("%-*s", v->width, "??");
347 	else
348 		(void)printf("%-*s", v->width, ttname);
349 }
350 
351 void
352 started(k, ve)
353 	KINFO *k;
354 	VARENT *ve;
355 {
356 	VAR *v;
357 	static time_t now;
358 	struct tm *tp;
359 	char buf[100];
360 
361 	v = ve->var;
362 	if (!k->ki_u.u_valid) {
363 		(void)printf("%-*s", v->width, "-");
364 		return;
365 	}
366 
367 	tp = localtime(&k->ki_u.u_start.tv_sec);
368 	if (!now)
369 		(void)time(&now);
370 	if (now - k->ki_u.u_start.tv_sec < 24 * SECSPERHOUR) {
371 		/* I *hate* SCCS... */
372 		static char fmt[] = __CONCAT("%l:%", "M%p");
373 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
374 	} else if (now - k->ki_u.u_start.tv_sec < 7 * SECSPERDAY) {
375 		/* I *hate* SCCS... */
376 		static char fmt[] = __CONCAT("%a%", "I%p");
377 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
378 	} else
379 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
380 	(void)printf("%-*s", v->width, buf);
381 }
382 
383 void
384 lstarted(k, ve)
385 	KINFO *k;
386 	VARENT *ve;
387 {
388 	VAR *v;
389 	char buf[100];
390 
391 	v = ve->var;
392 	if (!k->ki_u.u_valid) {
393 		(void)printf("%-*s", v->width, "-");
394 		return;
395 	}
396 	(void)strftime(buf, sizeof(buf) -1, "%C",
397 	    localtime(&k->ki_u.u_start.tv_sec));
398 	(void)printf("%-*s", v->width, buf);
399 }
400 
401 void
402 wchan(k, ve)
403 	KINFO *k;
404 	VARENT *ve;
405 {
406 	VAR *v;
407 
408 	v = ve->var;
409 	if (KI_PROC(k)->p_wchan) {
410 		if (KI_PROC(k)->p_wmesg)
411 			(void)printf("%-*.*s", v->width, v->width,
412 				      KI_EPROC(k)->e_wmesg);
413 		else
414 			(void)printf("%-*x", v->width,
415 			    (int)KI_PROC(k)->p_wchan &~ KERNBASE);
416 	} else
417 		(void)printf("%-*s", v->width, "-");
418 }
419 
420 #define pgtok(a)        (((a)*getpagesize())/1024)
421 
422 void
423 vsize(k, ve)
424 	KINFO *k;
425 	VARENT *ve;
426 {
427 	VAR *v;
428 
429 	v = ve->var;
430 	(void)printf("%*d", v->width,
431 #ifndef NEWVM
432 	    pgtok(KI_PROC(k)->p_dsize +
433 	        KI_PROC(k)->p_ssize + KI_EPROC(k)->e_xsize));
434 #else
435 	    pgtok(KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize +
436 		KI_EPROC(k)->e_vm.vm_tsize));
437 #endif
438 }
439 
440 void
441 rssize(k, ve)
442 	KINFO *k;
443 	VARENT *ve;
444 {
445 	VAR *v;
446 
447 	v = ve->var;
448 #ifndef NEWVM
449 	(void)printf("%*d", v->width,
450 	    pgtok(KI_PROC(k)->p_rssize + (KI_EPROC(k)->e_xccount ?
451 	    (KI_EPROC(k)->e_xrssize / KI_EPROC(k)->e_xccount) : 0)));
452 #else
453 	/* XXX don't have info about shared */
454 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
455 #endif
456 }
457 
458 void
459 p_rssize(k, ve)		/* doesn't account for text */
460 	KINFO *k;
461 	VARENT *ve;
462 {
463 	VAR *v;
464 
465 	v = ve->var;
466 #ifndef NEWVM
467 	(void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_rssize));
468 #else
469 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
470 #endif
471 }
472 
473 void
474 cputime(k, ve)
475 	KINFO *k;
476 	VARENT *ve;
477 {
478 	VAR *v;
479 	long secs;
480 	long psecs;	/* "parts" of a second. first micro, then centi */
481 	char obuff[128];
482 
483 	v = ve->var;
484 	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
485 		secs = 0;
486 		psecs = 0;
487 	} else {
488 		/*
489 		 * This counts time spent handling interrupts.  We could
490 		 * fix this, but it is not 100% trivial (and interrupt
491 		 * time fractions only work on the sparc anyway).	XXX
492 		 */
493 		secs = KI_PROC(k)->p_rtime.tv_sec;
494 		psecs = KI_PROC(k)->p_rtime.tv_usec;
495 		if (sumrusage) {
496 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
497 				k->ki_u.u_cru.ru_stime.tv_sec;
498 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
499 				k->ki_u.u_cru.ru_stime.tv_usec;
500 		}
501 		/*
502 		 * round and scale to 100's
503 		 */
504 		psecs = (psecs + 5000) / 10000;
505 		secs += psecs / 100;
506 		psecs = psecs % 100;
507 	}
508 	(void)snprintf(obuff, sizeof(obuff),
509 	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
510 	(void)printf("%*s", v->width, obuff);
511 }
512 
513 double
514 getpcpu(k)
515 	KINFO *k;
516 {
517 	struct proc *p;
518 	static int failure;
519 
520 	if (!nlistread)
521 		failure = donlist();
522 	if (failure)
523 		return (0.0);
524 
525 	p = KI_PROC(k);
526 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
527 
528 	/* XXX - I don't like this */
529 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0)
530 		return (0.0);
531 	if (rawcpu)
532 		return (100.0 * fxtofl(p->p_pctcpu));
533 	return (100.0 * fxtofl(p->p_pctcpu) /
534 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
535 }
536 
537 void
538 pcpu(k, ve)
539 	KINFO *k;
540 	VARENT *ve;
541 {
542 	VAR *v;
543 
544 	v = ve->var;
545 	(void)printf("%*.1f", v->width, getpcpu(k));
546 }
547 
548 double
549 getpmem(k)
550 	KINFO *k;
551 {
552 	static int failure;
553 	struct proc *p;
554 	struct eproc *e;
555 	double fracmem;
556 	int szptudot;
557 
558 	if (!nlistread)
559 		failure = donlist();
560 	if (failure)
561 		return (0.0);
562 
563 	p = KI_PROC(k);
564 	e = KI_EPROC(k);
565 	if ((p->p_flag & P_INMEM) == 0)
566 		return (0.0);
567 #ifndef NEWVM
568 	szptudot = USPACE/getpagesize() +
569 	    clrnd(ctopt(p->p_dsize + p->p_ssize + e->e_xsize));
570 	fracmem = ((float)p->p_rssize + szptudot)/CLSIZE/mempages;
571 	if (p->p_textp && e->e_xccount)
572 		fracmem += ((float)e->e_xrssize)/CLSIZE/e->e_xccount/mempages;
573 #else
574 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
575 	szptudot = USPACE/getpagesize();
576 	/* XXX don't have info about shared */
577 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/CLSIZE/mempages;
578 #endif
579 	return (100.0 * fracmem);
580 }
581 
582 void
583 pmem(k, ve)
584 	KINFO *k;
585 	VARENT *ve;
586 {
587 	VAR *v;
588 
589 	v = ve->var;
590 	(void)printf("%*.1f", v->width, getpmem(k));
591 }
592 
593 void
594 pagein(k, ve)
595 	KINFO *k;
596 	VARENT *ve;
597 {
598 	VAR *v;
599 
600 	v = ve->var;
601 	(void)printf("%*d", v->width,
602 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
603 }
604 
605 void
606 maxrss(k, ve)
607 	KINFO *k;
608 	VARENT *ve;
609 {
610 	VAR *v;
611 
612 	v = ve->var;
613 #ifndef NEWVM	/* not yet */
614 	if (KI_PROC(k)->p_maxrss != (RLIM_INFINITY/getpagesize()))
615 		(void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_maxrss));
616 	else
617 #endif
618 		(void)printf("%*s", v->width, "-");
619 }
620 
621 void
622 tsize(k, ve)
623 	KINFO *k;
624 	VARENT *ve;
625 {
626 	VAR *v;
627 
628 	v = ve->var;
629 #ifndef NEWVM
630 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_xsize));
631 #else
632 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_tsize));
633 #endif
634 }
635 
636 #ifndef NEWVM
637 void
638 trss(k, ve)
639 	KINFO *k;
640 	VARENT *ve;
641 {
642 	VAR *v;
643 
644 	v = ve->var;
645 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_xrssize));
646 }
647 #endif
648 
649 /*
650  * Generic output routines.  Print fields from various prototype
651  * structures.
652  */
653 static void
654 printval(bp, v)
655 	char *bp;
656 	VAR *v;
657 {
658 	static char ofmt[32] = "%";
659 	char *fcp, *cp;
660 
661 	cp = ofmt + 1;
662 	fcp = v->fmt;
663 	if (v->flag & LJUST)
664 		*cp++ = '-';
665 	*cp++ = '*';
666 	while (*cp++ = *fcp++);
667 
668 	switch (v->type) {
669 	case CHAR:
670 		(void)printf(ofmt, v->width, *(char *)bp);
671 		break;
672 	case UCHAR:
673 		(void)printf(ofmt, v->width, *(u_char *)bp);
674 		break;
675 	case SHORT:
676 		(void)printf(ofmt, v->width, *(short *)bp);
677 		break;
678 	case USHORT:
679 		(void)printf(ofmt, v->width, *(u_short *)bp);
680 		break;
681 	case LONG:
682 		(void)printf(ofmt, v->width, *(long *)bp);
683 		break;
684 	case ULONG:
685 		(void)printf(ofmt, v->width, *(u_long *)bp);
686 		break;
687 	case KPTR:
688 		(void)printf(ofmt, v->width, *(u_long *)bp &~ KERNBASE);
689 		break;
690 	default:
691 		errx(1, "unknown type %d", v->type);
692 	}
693 }
694 
695 void
696 pvar(k, ve)
697 	KINFO *k;
698 	VARENT *ve;
699 {
700 	VAR *v;
701 
702 	v = ve->var;
703 	printval((char *)((char *)KI_PROC(k) + v->off), v);
704 }
705 
706 void
707 evar(k, ve)
708 	KINFO *k;
709 	VARENT *ve;
710 {
711 	VAR *v;
712 
713 	v = ve->var;
714 	printval((char *)((char *)KI_EPROC(k) + v->off), v);
715 }
716 
717 void
718 uvar(k, ve)
719 	KINFO *k;
720 	VARENT *ve;
721 {
722 	VAR *v;
723 
724 	v = ve->var;
725 	if (k->ki_u.u_valid)
726 		printval((char *)((char *)&k->ki_u + v->off), v);
727 	else
728 		(void)printf("%*s", v->width, "-");
729 }
730 
731 void
732 rvar(k, ve)
733 	KINFO *k;
734 	VARENT *ve;
735 {
736 	VAR *v;
737 
738 	v = ve->var;
739 	if (k->ki_u.u_valid)
740 		printval((char *)((char *)(&k->ki_u.u_ru) + v->off), v);
741 	else
742 		(void)printf("%*s", v->width, "-");
743 }
744