xref: /freebsd/bin/ps/print.c (revision afe61c15161c324a7af299a9b8457aba5afc92db) 
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 
68 #include "ps.h"
69 
70 void
71 printheader()
72 {
73 	VAR *v;
74 	struct varent *vent;
75 
76 	for (vent = vhead; vent; vent = vent->next) {
77 		v = vent->var;
78 		if (v->flag & LJUST) {
79 			if (vent->next == NULL)	/* last one */
80 				(void)printf("%s", v->header);
81 			else
82 				(void)printf("%-*s", v->width, v->header);
83 		} else
84 			(void)printf("%*s", v->width, v->header);
85 		if (vent->next != NULL)
86 			(void)putchar(' ');
87 	}
88 	(void)putchar('\n');
89 }
90 
91 void
92 command(k, ve)
93 	KINFO *k;
94 	VARENT *ve;
95 {
96 	VAR *v;
97 	int left;
98 	char *cp, *vis_env, *vis_args;
99 
100 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
101 		err(1, NULL);
102 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
103 	if (k->ki_env) {
104 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
105 			err(1, NULL);
106 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
107 	} else
108 		vis_env = NULL;
109 
110 	v = ve->var;
111 	if (ve->next == NULL) {
112 		/* last field */
113 		if (termwidth == UNLIMITED) {
114 			if (vis_env)
115 				(void)printf("%s ", vis_env);
116 			(void)printf("%s", vis_args);
117 		} else {
118 			left = termwidth - (totwidth - v->width);
119 			if (left < 1) /* already wrapped, just use std width */
120 				left = v->width;
121 			if ((cp = vis_env) != NULL) {
122 				while (--left >= 0 && *cp)
123 					(void)putchar(*cp++);
124 				if (--left >= 0)
125 					putchar(' ');
126 			}
127 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
128 				(void)putchar(*cp++);
129 		}
130 	} else
131 		/* XXX env? */
132 		(void)printf("%-*.*s", v->width, v->width, vis_args);
133 	free(vis_args);
134 	if (vis_env != NULL)
135 		free(vis_env);
136 }
137 
138 void
139 ucomm(k, ve)
140 	KINFO *k;
141 	VARENT *ve;
142 {
143 	VAR *v;
144 
145 	v = ve->var;
146 	(void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
147 }
148 
149 void
150 logname(k, ve)
151 	KINFO *k;
152 	VARENT *ve;
153 {
154 	VAR *v;
155 
156 	v = ve->var;
157 #ifndef NEWVM
158 	(void)printf("%-*s", v->width, KI_PROC(k)->p_logname);
159 #else
160 	(void)printf("%-*s", v->width, KI_EPROC(k)->e_login);
161 #endif
162 }
163 
164 void
165 state(k, ve)
166 	KINFO *k;
167 	VARENT *ve;
168 {
169 	struct proc *p;
170 	int flag;
171 	char *cp;
172 	VAR *v;
173 	char buf[16];
174 
175 	v = ve->var;
176 	p = KI_PROC(k);
177 	flag = p->p_flag;
178 	cp = buf;
179 
180 	switch (p->p_stat) {
181 
182 	case SSTOP:
183 		*cp = 'T';
184 		break;
185 
186 	case SSLEEP:
187 		if (flag & P_SINTR)	/* interuptable (long) */
188 			*cp = p->p_slptime >= MAXSLP ? 'I' : 'S';
189 		else
190 			*cp = 'D';
191 		break;
192 
193 	case SRUN:
194 	case SIDL:
195 		*cp = 'R';
196 		break;
197 
198 	case SZOMB:
199 		*cp = 'Z';
200 		break;
201 
202 	default:
203 		*cp = '?';
204 	}
205 	cp++;
206 	if (flag & P_INMEM) {
207 #ifndef NEWVM
208 		if (p->p_rssize > p->p_maxrss)
209 			*cp++ = '>';
210 #endif
211 	} else
212 		*cp++ = 'W';
213 	if (p->p_nice < NZERO)
214 		*cp++ = '<';
215 	else if (p->p_nice > NZERO)
216 		*cp++ = 'N';
217 #ifndef NEWVM
218 	if (flag & SUANOM)
219 		*cp++ = 'A';
220 	else if (flag & SSEQL)
221 		*cp++ = 'S';
222 #endif
223 	if (flag & P_TRACED)
224 		*cp++ = 'X';
225 	if (flag & P_WEXIT && p->p_stat != SZOMB)
226 		*cp++ = 'E';
227 #ifdef NEWVM
228 	if (flag & P_PPWAIT)
229 #else
230 	if (flag & SVFORK)
231 #endif
232 		*cp++ = 'V';
233 #ifdef NEWVM
234 	if (flag & (P_SYSTEM | P_NOSWAP | P_PHYSIO))
235 #else
236 	if (flag & (SSYS|SLOCK|SULOCK|SKEEP|SPHYSIO))
237 #endif
238 		*cp++ = 'L';
239 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
240 		*cp++ = 's';
241 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
242 		*cp++ = '+';
243 	*cp = '\0';
244 	(void)printf("%-*s", v->width, buf);
245 }
246 
247 void
248 pri(k, ve)
249 	KINFO *k;
250 	VARENT *ve;
251 {
252 	VAR *v;
253 
254 	v = ve->var;
255 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
256 }
257 
258 void
259 uname(k, ve)
260 	KINFO *k;
261 	VARENT *ve;
262 {
263 	VAR *v;
264 
265 	v = ve->var;
266 #ifndef NEWVM
267 	(void)printf("%-*s",
268 	    (int)v->width, user_from_uid(KI_PROC(k)->p_uid, 0));
269 #else
270 	(void)printf("%-*s",
271 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
272 #endif
273 }
274 
275 void
276 runame(k, ve)
277 	KINFO *k;
278 	VARENT *ve;
279 {
280 	VAR *v;
281 
282 	v = ve->var;
283 #ifndef NEWVM
284 	(void)printf("%-*s",
285 	    (int)v->width, user_from_uid(KI_PROC(k)->p_ruid, 0));
286 #else
287 	(void)printf("%-*s",
288 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
289 #endif
290 }
291 
292 void
293 tdev(k, ve)
294 	KINFO *k;
295 	VARENT *ve;
296 {
297 	VAR *v;
298 	dev_t dev;
299 	char buff[16];
300 
301 	v = ve->var;
302 	dev = KI_EPROC(k)->e_tdev;
303 	if (dev == NODEV)
304 		(void)printf("%*s", v->width, "??");
305 	else {
306 		(void)snprintf(buff, sizeof(buff),
307 		    "%d/%d", major(dev), minor(dev));
308 		(void)printf("%*s", v->width, buff);
309 	}
310 }
311 
312 void
313 tname(k, ve)
314 	KINFO *k;
315 	VARENT *ve;
316 {
317 	VAR *v;
318 	dev_t dev;
319 	char *ttname;
320 
321 	v = ve->var;
322 	dev = KI_EPROC(k)->e_tdev;
323 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
324 		(void)printf("%-*s", v->width, "??");
325 	else {
326 		if (strncmp(ttname, "tty", 3) == 0)
327 			ttname += 3;
328 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
329 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
330 	}
331 }
332 
333 void
334 longtname(k, ve)
335 	KINFO *k;
336 	VARENT *ve;
337 {
338 	VAR *v;
339 	dev_t dev;
340 	char *ttname;
341 
342 	v = ve->var;
343 	dev = KI_EPROC(k)->e_tdev;
344 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
345 		(void)printf("%-*s", v->width, "??");
346 	else
347 		(void)printf("%-*s", v->width, ttname);
348 }
349 
350 void
351 started(k, ve)
352 	KINFO *k;
353 	VARENT *ve;
354 {
355 	VAR *v;
356 	static time_t now;
357 	struct tm *tp;
358 	char buf[100];
359 
360 	v = ve->var;
361 	if (!k->ki_u.u_valid) {
362 		(void)printf("%-*s", v->width, "-");
363 		return;
364 	}
365 
366 	tp = localtime(&k->ki_u.u_start.tv_sec);
367 	if (!now)
368 		(void)time(&now);
369 	if (now - k->ki_u.u_start.tv_sec < 24 * SECSPERHOUR) {
370 		/* I *hate* SCCS... */
371 		static char fmt[] = __CONCAT("%l:%", "M%p");
372 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
373 	} else if (now - k->ki_u.u_start.tv_sec < 7 * SECSPERDAY) {
374 		/* I *hate* SCCS... */
375 		static char fmt[] = __CONCAT("%a%", "I%p");
376 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
377 	} else
378 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
379 	(void)printf("%-*s", v->width, buf);
380 }
381 
382 void
383 lstarted(k, ve)
384 	KINFO *k;
385 	VARENT *ve;
386 {
387 	VAR *v;
388 	char buf[100];
389 
390 	v = ve->var;
391 	if (!k->ki_u.u_valid) {
392 		(void)printf("%-*s", v->width, "-");
393 		return;
394 	}
395 	(void)strftime(buf, sizeof(buf) -1, "%C",
396 	    localtime(&k->ki_u.u_start.tv_sec));
397 	(void)printf("%-*s", v->width, buf);
398 }
399 
400 void
401 wchan(k, ve)
402 	KINFO *k;
403 	VARENT *ve;
404 {
405 	VAR *v;
406 
407 	v = ve->var;
408 	if (KI_PROC(k)->p_wchan) {
409 		if (KI_PROC(k)->p_wmesg)
410 			(void)printf("%-*.*s", v->width, v->width,
411 				      KI_EPROC(k)->e_wmesg);
412 		else
413 			(void)printf("%-*x", v->width,
414 			    (int)KI_PROC(k)->p_wchan &~ KERNBASE);
415 	} else
416 		(void)printf("%-*s", v->width, "-");
417 }
418 
419 #define pgtok(a)        (((a)*NBPG)/1024)
420 
421 void
422 vsize(k, ve)
423 	KINFO *k;
424 	VARENT *ve;
425 {
426 	VAR *v;
427 
428 	v = ve->var;
429 	(void)printf("%*d", v->width,
430 #ifndef NEWVM
431 	    pgtok(KI_PROC(k)->p_dsize +
432 	        KI_PROC(k)->p_ssize + KI_EPROC(k)->e_xsize));
433 #else
434 	    pgtok(KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize +
435 		KI_EPROC(k)->e_vm.vm_tsize));
436 #endif
437 }
438 
439 void
440 rssize(k, ve)
441 	KINFO *k;
442 	VARENT *ve;
443 {
444 	VAR *v;
445 
446 	v = ve->var;
447 #ifndef NEWVM
448 	(void)printf("%*d", v->width,
449 	    pgtok(KI_PROC(k)->p_rssize + (KI_EPROC(k)->e_xccount ?
450 	    (KI_EPROC(k)->e_xrssize / KI_EPROC(k)->e_xccount) : 0)));
451 #else
452 	/* XXX don't have info about shared */
453 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
454 #endif
455 }
456 
457 void
458 p_rssize(k, ve)		/* doesn't account for text */
459 	KINFO *k;
460 	VARENT *ve;
461 {
462 	VAR *v;
463 
464 	v = ve->var;
465 #ifndef NEWVM
466 	(void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_rssize));
467 #else
468 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
469 #endif
470 }
471 
472 void
473 cputime(k, ve)
474 	KINFO *k;
475 	VARENT *ve;
476 {
477 	VAR *v;
478 	long secs;
479 	long psecs;	/* "parts" of a second. first micro, then centi */
480 	char obuff[128];
481 
482 	v = ve->var;
483 	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
484 		secs = 0;
485 		psecs = 0;
486 	} else {
487 		/*
488 		 * This counts time spent handling interrupts.  We could
489 		 * fix this, but it is not 100% trivial (and interrupt
490 		 * time fractions only work on the sparc anyway).	XXX
491 		 */
492 		secs = KI_PROC(k)->p_rtime.tv_sec;
493 		psecs = KI_PROC(k)->p_rtime.tv_usec;
494 		if (sumrusage) {
495 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
496 				k->ki_u.u_cru.ru_stime.tv_sec;
497 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
498 				k->ki_u.u_cru.ru_stime.tv_usec;
499 		}
500 		/*
501 		 * round and scale to 100's
502 		 */
503 		psecs = (psecs + 5000) / 10000;
504 		secs += psecs / 100;
505 		psecs = psecs % 100;
506 	}
507 	(void)snprintf(obuff, sizeof(obuff),
508 	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
509 	(void)printf("%*s", v->width, obuff);
510 }
511 
512 double
513 getpcpu(k)
514 	KINFO *k;
515 {
516 	struct proc *p;
517 	static int failure;
518 
519 	if (!nlistread)
520 		failure = donlist();
521 	if (failure)
522 		return (0.0);
523 
524 	p = KI_PROC(k);
525 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
526 
527 	/* XXX - I don't like this */
528 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0)
529 		return (0.0);
530 	if (rawcpu)
531 		return (100.0 * fxtofl(p->p_pctcpu));
532 	return (100.0 * fxtofl(p->p_pctcpu) /
533 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
534 }
535 
536 void
537 pcpu(k, ve)
538 	KINFO *k;
539 	VARENT *ve;
540 {
541 	VAR *v;
542 
543 	v = ve->var;
544 	(void)printf("%*.1f", v->width, getpcpu(k));
545 }
546 
547 double
548 getpmem(k)
549 	KINFO *k;
550 {
551 	static int failure;
552 	struct proc *p;
553 	struct eproc *e;
554 	double fracmem;
555 	int szptudot;
556 
557 	if (!nlistread)
558 		failure = donlist();
559 	if (failure)
560 		return (0.0);
561 
562 	p = KI_PROC(k);
563 	e = KI_EPROC(k);
564 	if ((p->p_flag & P_INMEM) == 0)
565 		return (0.0);
566 #ifndef NEWVM
567 	szptudot = UPAGES + clrnd(ctopt(p->p_dsize + p->p_ssize + e->e_xsize));
568 	fracmem = ((float)p->p_rssize + szptudot)/CLSIZE/mempages;
569 	if (p->p_textp && e->e_xccount)
570 		fracmem += ((float)e->e_xrssize)/CLSIZE/e->e_xccount/mempages;
571 #else
572 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
573 	szptudot = UPAGES;
574 	/* XXX don't have info about shared */
575 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/CLSIZE/mempages;
576 #endif
577 	return (100.0 * fracmem);
578 }
579 
580 void
581 pmem(k, ve)
582 	KINFO *k;
583 	VARENT *ve;
584 {
585 	VAR *v;
586 
587 	v = ve->var;
588 	(void)printf("%*.1f", v->width, getpmem(k));
589 }
590 
591 void
592 pagein(k, ve)
593 	KINFO *k;
594 	VARENT *ve;
595 {
596 	VAR *v;
597 
598 	v = ve->var;
599 	(void)printf("%*d", v->width,
600 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
601 }
602 
603 void
604 maxrss(k, ve)
605 	KINFO *k;
606 	VARENT *ve;
607 {
608 	VAR *v;
609 
610 	v = ve->var;
611 #ifndef NEWVM	/* not yet */
612 	if (KI_PROC(k)->p_maxrss != (RLIM_INFINITY/NBPG))
613 		(void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_maxrss));
614 	else
615 #endif
616 		(void)printf("%*s", v->width, "-");
617 }
618 
619 void
620 tsize(k, ve)
621 	KINFO *k;
622 	VARENT *ve;
623 {
624 	VAR *v;
625 
626 	v = ve->var;
627 #ifndef NEWVM
628 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_xsize));
629 #else
630 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_tsize));
631 #endif
632 }
633 
634 #ifndef NEWVM
635 void
636 trss(k, ve)
637 	KINFO *k;
638 	VARENT *ve;
639 {
640 	VAR *v;
641 
642 	v = ve->var;
643 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_xrssize));
644 }
645 #endif
646 
647 /*
648  * Generic output routines.  Print fields from various prototype
649  * structures.
650  */
651 static void
652 printval(bp, v)
653 	char *bp;
654 	VAR *v;
655 {
656 	static char ofmt[32] = "%";
657 	char *fcp, *cp;
658 
659 	cp = ofmt + 1;
660 	fcp = v->fmt;
661 	if (v->flag & LJUST)
662 		*cp++ = '-';
663 	*cp++ = '*';
664 	while (*cp++ = *fcp++);
665 
666 	switch (v->type) {
667 	case CHAR:
668 		(void)printf(ofmt, v->width, *(char *)bp);
669 		break;
670 	case UCHAR:
671 		(void)printf(ofmt, v->width, *(u_char *)bp);
672 		break;
673 	case SHORT:
674 		(void)printf(ofmt, v->width, *(short *)bp);
675 		break;
676 	case USHORT:
677 		(void)printf(ofmt, v->width, *(u_short *)bp);
678 		break;
679 	case LONG:
680 		(void)printf(ofmt, v->width, *(long *)bp);
681 		break;
682 	case ULONG:
683 		(void)printf(ofmt, v->width, *(u_long *)bp);
684 		break;
685 	case KPTR:
686 		(void)printf(ofmt, v->width, *(u_long *)bp &~ KERNBASE);
687 		break;
688 	default:
689 		errx(1, "unknown type %d", v->type);
690 	}
691 }
692 
693 void
694 pvar(k, ve)
695 	KINFO *k;
696 	VARENT *ve;
697 {
698 	VAR *v;
699 
700 	v = ve->var;
701 	printval((char *)((char *)KI_PROC(k) + v->off), v);
702 }
703 
704 void
705 evar(k, ve)
706 	KINFO *k;
707 	VARENT *ve;
708 {
709 	VAR *v;
710 
711 	v = ve->var;
712 	printval((char *)((char *)KI_EPROC(k) + v->off), v);
713 }
714 
715 void
716 uvar(k, ve)
717 	KINFO *k;
718 	VARENT *ve;
719 {
720 	VAR *v;
721 
722 	v = ve->var;
723 	if (k->ki_u.u_valid)
724 		printval((char *)((char *)&k->ki_u + v->off), v);
725 	else
726 		(void)printf("%*s", v->width, "-");
727 }
728 
729 void
730 rvar(k, ve)
731 	KINFO *k;
732 	VARENT *ve;
733 {
734 	VAR *v;
735 
736 	v = ve->var;
737 	if (k->ki_u.u_valid)
738 		printval((char *)((char *)(&k->ki_u.u_ru) + v->off), v);
739 	else
740 		(void)printf("%*s", v->width, "-");
741 }
742