xref: /freebsd/bin/ps/print.c (revision e627b39baccd1ec9129690167cf5e6d860509655) 
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  *	$Id: print.c,v 1.14 1996/06/29 08:04:05 peter Exp $
34  */
35 
36 #ifndef lint
37 static char sccsid[] = "@(#)print.c	8.6 (Berkeley) 4/16/94";
38 #endif /* not lint */
39 
40 #include <sys/param.h>
41 #include <sys/time.h>
42 #include <sys/resource.h>
43 #include <sys/proc.h>
44 #include <sys/stat.h>
45 
46 #ifdef P_PPWAIT
47 #define NEWVM
48 #endif
49 
50 #ifdef NEWVM
51 #include <sys/ucred.h>
52 #include <sys/user.h>
53 #include <sys/sysctl.h>
54 #include <vm/vm.h>
55 #else
56 #include <machine/pte.h>
57 #include <sys/vmparam.h>
58 #include <sys/vm.h>
59 #endif
60 
61 #include <err.h>
62 #include <math.h>
63 #include <nlist.h>
64 #include <stddef.h>
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <unistd.h>
68 #include <string.h>
69 #include <vis.h>
70 
71 #include "ps.h"
72 
73 void
74 printheader()
75 {
76 	VAR *v;
77 	struct varent *vent;
78 
79 	for (vent = vhead; vent; vent = vent->next) {
80 		v = vent->var;
81 		if (v->flag & LJUST) {
82 			if (vent->next == NULL)	/* last one */
83 				(void)printf("%s", v->header);
84 			else
85 				(void)printf("%-*s", v->width, v->header);
86 		} else
87 			(void)printf("%*s", v->width, v->header);
88 		if (vent->next != NULL)
89 			(void)putchar(' ');
90 	}
91 	(void)putchar('\n');
92 }
93 
94 void
95 command(k, ve)
96 	KINFO *k;
97 	VARENT *ve;
98 {
99 	VAR *v;
100 	int left;
101 	char *cp, *vis_env, *vis_args;
102 
103 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
104 		err(1, NULL);
105 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
106 	if (k->ki_env) {
107 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
108 			err(1, NULL);
109 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
110 	} else
111 		vis_env = NULL;
112 
113 	v = ve->var;
114 	if (ve->next == NULL) {
115 		/* last field */
116 		if (termwidth == UNLIMITED) {
117 			if (vis_env)
118 				(void)printf("%s ", vis_env);
119 			(void)printf("%s", vis_args);
120 		} else {
121 			left = termwidth - (totwidth - v->width);
122 			if (left < 1) /* already wrapped, just use std width */
123 				left = v->width;
124 			if ((cp = vis_env) != NULL) {
125 				while (--left >= 0 && *cp)
126 					(void)putchar(*cp++);
127 				if (--left >= 0)
128 					putchar(' ');
129 			}
130 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
131 				(void)putchar(*cp++);
132 		}
133 	} else
134 		/* XXX env? */
135 		(void)printf("%-*.*s", v->width, v->width, vis_args);
136 	free(vis_args);
137 	if (vis_env != NULL)
138 		free(vis_env);
139 }
140 
141 void
142 ucomm(k, ve)
143 	KINFO *k;
144 	VARENT *ve;
145 {
146 	VAR *v;
147 
148 	v = ve->var;
149 	(void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
150 }
151 
152 void
153 logname(k, ve)
154 	KINFO *k;
155 	VARENT *ve;
156 {
157 	VAR *v;
158 
159 	v = ve->var;
160 #ifndef NEWVM
161 	(void)printf("%-*s", v->width, KI_PROC(k)->p_logname);
162 #else
163 	(void)printf("%-*s", v->width, KI_EPROC(k)->e_login);
164 #endif
165 }
166 
167 void
168 state(k, ve)
169 	KINFO *k;
170 	VARENT *ve;
171 {
172 	struct proc *p;
173 	int flag;
174 	char *cp;
175 	VAR *v;
176 	char buf[16];
177 
178 	v = ve->var;
179 	p = KI_PROC(k);
180 	flag = p->p_flag;
181 	cp = buf;
182 
183 	switch (p->p_stat) {
184 
185 	case SSTOP:
186 		*cp = 'T';
187 		break;
188 
189 	case SSLEEP:
190 		if (flag & P_SINTR)	/* interuptable (long) */
191 			*cp = p->p_slptime >= MAXSLP ? 'I' : 'S';
192 		else
193 			*cp = 'D';
194 		break;
195 
196 	case SRUN:
197 	case SIDL:
198 		*cp = 'R';
199 		break;
200 
201 	case SZOMB:
202 		*cp = 'Z';
203 		break;
204 
205 	default:
206 		*cp = '?';
207 	}
208 	cp++;
209 	if (flag & P_INMEM) {
210 #ifndef NEWVM
211 		if (p->p_rssize > p->p_maxrss)
212 			*cp++ = '>';
213 #endif
214 	} else
215 		*cp++ = 'W';
216 	if (p->p_nice < NZERO)
217 		*cp++ = '<';
218 	else if (p->p_nice > NZERO)
219 		*cp++ = 'N';
220 #ifndef NEWVM
221 	if (flag & SUANOM)
222 		*cp++ = 'A';
223 	else if (flag & SSEQL)
224 		*cp++ = 'S';
225 #endif
226 	if (flag & P_TRACED)
227 		*cp++ = 'X';
228 	if (flag & P_WEXIT && p->p_stat != SZOMB)
229 		*cp++ = 'E';
230 #ifdef NEWVM
231 	if (flag & P_PPWAIT)
232 #else
233 	if (flag & SVFORK)
234 #endif
235 		*cp++ = 'V';
236 #ifdef NEWVM
237 	if (flag & (P_SYSTEM | P_NOSWAP | P_PHYSIO))
238 #else
239 	if (flag & (SSYS|SLOCK|SULOCK|SKEEP|SPHYSIO))
240 #endif
241 		*cp++ = 'L';
242 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
243 		*cp++ = 's';
244 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
245 		*cp++ = '+';
246 	*cp = '\0';
247 	(void)printf("%-*s", v->width, buf);
248 }
249 
250 void
251 pri(k, ve)
252 	KINFO *k;
253 	VARENT *ve;
254 {
255 	VAR *v;
256 
257 	v = ve->var;
258 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
259 }
260 
261 void
262 uname(k, ve)
263 	KINFO *k;
264 	VARENT *ve;
265 {
266 	VAR *v;
267 
268 	v = ve->var;
269 #ifndef NEWVM
270 	(void)printf("%-*s",
271 	    (int)v->width, user_from_uid(KI_PROC(k)->p_uid, 0));
272 #else
273 	(void)printf("%-*s",
274 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
275 #endif
276 }
277 
278 void
279 runame(k, ve)
280 	KINFO *k;
281 	VARENT *ve;
282 {
283 	VAR *v;
284 
285 	v = ve->var;
286 #ifndef NEWVM
287 	(void)printf("%-*s",
288 	    (int)v->width, user_from_uid(KI_PROC(k)->p_ruid, 0));
289 #else
290 	(void)printf("%-*s",
291 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
292 #endif
293 }
294 
295 void
296 tdev(k, ve)
297 	KINFO *k;
298 	VARENT *ve;
299 {
300 	VAR *v;
301 	dev_t dev;
302 	char buff[16];
303 
304 	v = ve->var;
305 	dev = KI_EPROC(k)->e_tdev;
306 	if (dev == NODEV)
307 		(void)printf("%*s", v->width, "??");
308 	else {
309 		(void)snprintf(buff, sizeof(buff),
310 		    "%d/%d", major(dev), minor(dev));
311 		(void)printf("%*s", v->width, buff);
312 	}
313 }
314 
315 void
316 tname(k, ve)
317 	KINFO *k;
318 	VARENT *ve;
319 {
320 	VAR *v;
321 	dev_t dev;
322 	char *ttname;
323 
324 	v = ve->var;
325 	dev = KI_EPROC(k)->e_tdev;
326 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
327 		(void)printf("%*s ", v->width-1, "??");
328 	else {
329 		if (strncmp(ttname, "tty", 3) == 0 ||
330 		    strncmp(ttname, "cua", 3) == 0)
331 			ttname += 3;
332 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
333 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
334 	}
335 }
336 
337 void
338 longtname(k, ve)
339 	KINFO *k;
340 	VARENT *ve;
341 {
342 	VAR *v;
343 	dev_t dev;
344 	char *ttname;
345 
346 	v = ve->var;
347 	dev = KI_EPROC(k)->e_tdev;
348 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
349 		(void)printf("%-*s", v->width, "??");
350 	else
351 		(void)printf("%-*s", v->width, ttname);
352 }
353 
354 void
355 started(k, ve)
356 	KINFO *k;
357 	VARENT *ve;
358 {
359 	VAR *v;
360 	static time_t now;
361 	struct tm *tp;
362 	char buf[100];
363 
364 	v = ve->var;
365 	if (!k->ki_u.u_valid) {
366 		(void)printf("%-*s", v->width, "-");
367 		return;
368 	}
369 
370 	tp = localtime(&k->ki_u.u_start.tv_sec);
371 	if (!now)
372 		(void)time(&now);
373 	if (now - k->ki_u.u_start.tv_sec < 24 * 3600) {
374 		/* I *hate* SCCS... */
375 		static char fmt[] = __CONCAT("%l:%", "M%p");
376 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
377 	} else if (now - k->ki_u.u_start.tv_sec < 7 * 86400) {
378 		/* I *hate* SCCS... */
379 		static char fmt[] = __CONCAT("%a%", "I%p");
380 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
381 	} else
382 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
383 	(void)printf("%-*s", v->width, buf);
384 }
385 
386 void
387 lstarted(k, ve)
388 	KINFO *k;
389 	VARENT *ve;
390 {
391 	VAR *v;
392 	char buf[100];
393 
394 	v = ve->var;
395 	if (!k->ki_u.u_valid) {
396 		(void)printf("%-*s", v->width, "-");
397 		return;
398 	}
399 	(void)strftime(buf, sizeof(buf) -1, "%C",
400 	    localtime(&k->ki_u.u_start.tv_sec));
401 	(void)printf("%-*s", v->width, buf);
402 }
403 
404 void
405 wchan(k, ve)
406 	KINFO *k;
407 	VARENT *ve;
408 {
409 	VAR *v;
410 
411 	v = ve->var;
412 	if (KI_PROC(k)->p_wchan) {
413 		if (KI_PROC(k)->p_wmesg)
414 			(void)printf("%-*.*s", v->width, v->width,
415 				      KI_EPROC(k)->e_wmesg);
416 		else
417 			(void)printf("%-*x", v->width,
418 			    (int)KI_PROC(k)->p_wchan &~ KERNBASE);
419 	} else
420 		(void)printf("%-*s", v->width, "-");
421 }
422 
423 #define pgtok(a)        (((a)*getpagesize())/1024)
424 
425 void
426 vsize(k, ve)
427 	KINFO *k;
428 	VARENT *ve;
429 {
430 	VAR *v;
431 
432 	v = ve->var;
433 	(void)printf("%*d", v->width,
434 #ifndef NEWVM
435 	    pgtok(KI_PROC(k)->p_dsize +
436 	        KI_PROC(k)->p_ssize + KI_EPROC(k)->e_xsize));
437 #else
438 	    pgtok(KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize +
439 		KI_EPROC(k)->e_vm.vm_tsize));
440 #endif
441 }
442 
443 void
444 rssize(k, ve)
445 	KINFO *k;
446 	VARENT *ve;
447 {
448 	VAR *v;
449 
450 	v = ve->var;
451 #ifndef NEWVM
452 	(void)printf("%*d", v->width,
453 	    pgtok(KI_PROC(k)->p_rssize + (KI_EPROC(k)->e_xccount ?
454 	    (KI_EPROC(k)->e_xrssize / KI_EPROC(k)->e_xccount) : 0)));
455 #else
456 	/* XXX don't have info about shared */
457 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
458 #endif
459 }
460 
461 void
462 p_rssize(k, ve)		/* doesn't account for text */
463 	KINFO *k;
464 	VARENT *ve;
465 {
466 	VAR *v;
467 
468 	v = ve->var;
469 #ifndef NEWVM
470 	(void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_rssize));
471 #else
472 	(void)printf("%*ld", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
473 #endif
474 }
475 
476 void
477 cputime(k, ve)
478 	KINFO *k;
479 	VARENT *ve;
480 {
481 	VAR *v;
482 	long secs;
483 	long psecs;	/* "parts" of a second. first micro, then centi */
484 	char obuff[128];
485 
486 	v = ve->var;
487 	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
488 		secs = 0;
489 		psecs = 0;
490 	} else {
491 		/*
492 		 * This counts time spent handling interrupts.  We could
493 		 * fix this, but it is not 100% trivial (and interrupt
494 		 * time fractions only work on the sparc anyway).	XXX
495 		 */
496 		secs = KI_PROC(k)->p_rtime.tv_sec;
497 		psecs = KI_PROC(k)->p_rtime.tv_usec;
498 		if (sumrusage) {
499 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
500 				k->ki_u.u_cru.ru_stime.tv_sec;
501 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
502 				k->ki_u.u_cru.ru_stime.tv_usec;
503 		}
504 		/*
505 		 * round and scale to 100's
506 		 */
507 		psecs = (psecs + 5000) / 10000;
508 		secs += psecs / 100;
509 		psecs = psecs % 100;
510 	}
511 	(void)snprintf(obuff, sizeof(obuff),
512 	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
513 	(void)printf("%*s", v->width, obuff);
514 }
515 
516 double
517 getpcpu(k)
518 	KINFO *k;
519 {
520 	struct proc *p;
521 	static int failure;
522 
523 	if (!nlistread)
524 		failure = donlist();
525 	if (failure)
526 		return (0.0);
527 
528 	p = KI_PROC(k);
529 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
530 
531 	/* XXX - I don't like this */
532 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0)
533 		return (0.0);
534 	if (rawcpu)
535 		return (10000.0 / sysconf(_SC_CLK_TCK) * fxtofl(p->p_pctcpu));
536 	return (10000.0 / sysconf(_SC_CLK_TCK) * fxtofl(p->p_pctcpu) /
537 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
538 }
539 
540 void
541 pcpu(k, ve)
542 	KINFO *k;
543 	VARENT *ve;
544 {
545 	VAR *v;
546 
547 	v = ve->var;
548 	(void)printf("%*.1f", v->width, getpcpu(k));
549 }
550 
551 double
552 getpmem(k)
553 	KINFO *k;
554 {
555 	static int failure;
556 	struct proc *p;
557 	struct eproc *e;
558 	double fracmem;
559 	int szptudot;
560 
561 	if (!nlistread)
562 		failure = donlist();
563 	if (failure)
564 		return (0.0);
565 
566 	p = KI_PROC(k);
567 	e = KI_EPROC(k);
568 	if ((p->p_flag & P_INMEM) == 0)
569 		return (0.0);
570 #ifndef NEWVM
571 	szptudot = UPAGES + clrnd(ctopt(p->p_dsize + p->p_ssize + e->e_xsize));
572 	fracmem = ((float)p->p_rssize + szptudot)/CLSIZE/mempages;
573 	if (p->p_textp && e->e_xccount)
574 		fracmem += ((float)e->e_xrssize)/CLSIZE/e->e_xccount/mempages;
575 #else
576 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
577 	szptudot = UPAGES;
578 	/* XXX don't have info about shared */
579 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages;
580 #endif
581 	return (100.0 * fracmem);
582 }
583 
584 void
585 pmem(k, ve)
586 	KINFO *k;
587 	VARENT *ve;
588 {
589 	VAR *v;
590 
591 	v = ve->var;
592 	(void)printf("%*.1f", v->width, getpmem(k));
593 }
594 
595 void
596 pagein(k, ve)
597 	KINFO *k;
598 	VARENT *ve;
599 {
600 	VAR *v;
601 
602 	v = ve->var;
603 	(void)printf("%*ld", v->width,
604 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
605 }
606 
607 void
608 maxrss(k, ve)
609 	KINFO *k;
610 	VARENT *ve;
611 {
612 	VAR *v;
613 
614 	v = ve->var;
615 #ifndef NEWVM	/* not yet */
616 	if (KI_PROC(k)->p_maxrss != (RLIM_INFINITY/PAGE_SIZE))
617 		(void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_maxrss));
618 	else
619 #endif
620 		(void)printf("%*s", v->width, "-");
621 }
622 
623 void
624 tsize(k, ve)
625 	KINFO *k;
626 	VARENT *ve;
627 {
628 	VAR *v;
629 
630 	v = ve->var;
631 #ifndef NEWVM
632 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_xsize));
633 #else
634 	(void)printf("%*ld", v->width, pgtok(KI_EPROC(k)->e_vm.vm_tsize));
635 #endif
636 }
637 
638 #ifndef NEWVM
639 void
640 trss(k, ve)
641 	KINFO *k;
642 	VARENT *ve;
643 {
644 	VAR *v;
645 
646 	v = ve->var;
647 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_xrssize));
648 }
649 #endif
650 
651 /*
652  * Generic output routines.  Print fields from various prototype
653  * structures.
654  */
655 static void
656 printval(bp, v)
657 	char *bp;
658 	VAR *v;
659 {
660 	static char ofmt[32] = "%";
661 	char *fcp, *cp;
662 
663 	cp = ofmt + 1;
664 	fcp = v->fmt;
665 	if (v->flag & LJUST)
666 		*cp++ = '-';
667 	*cp++ = '*';
668 	while ((*cp++ = *fcp++));
669 
670 	switch (v->type) {
671 	case CHAR:
672 		(void)printf(ofmt, v->width, *(char *)bp);
673 		break;
674 	case UCHAR:
675 		(void)printf(ofmt, v->width, *(u_char *)bp);
676 		break;
677 	case SHORT:
678 		(void)printf(ofmt, v->width, *(short *)bp);
679 		break;
680 	case USHORT:
681 		(void)printf(ofmt, v->width, *(u_short *)bp);
682 		break;
683 	case LONG:
684 		(void)printf(ofmt, v->width, *(long *)bp);
685 		break;
686 	case ULONG:
687 		(void)printf(ofmt, v->width, *(u_long *)bp);
688 		break;
689 	case KPTR:
690 		(void)printf(ofmt, v->width, *(u_long *)bp &~ KERNBASE);
691 		break;
692 	default:
693 		errx(1, "unknown type %d", v->type);
694 	}
695 }
696 
697 void
698 pvar(k, ve)
699 	KINFO *k;
700 	VARENT *ve;
701 {
702 	VAR *v;
703 
704 	v = ve->var;
705 	printval((char *)((char *)KI_PROC(k) + v->off), v);
706 }
707 
708 void
709 evar(k, ve)
710 	KINFO *k;
711 	VARENT *ve;
712 {
713 	VAR *v;
714 
715 	v = ve->var;
716 	printval((char *)((char *)KI_EPROC(k) + v->off), v);
717 }
718 
719 void
720 uvar(k, ve)
721 	KINFO *k;
722 	VARENT *ve;
723 {
724 	VAR *v;
725 
726 	v = ve->var;
727 	if (k->ki_u.u_valid)
728 		printval((char *)((char *)&k->ki_u + v->off), v);
729 	else
730 		(void)printf("%*s", v->width, "-");
731 }
732 
733 void
734 rvar(k, ve)
735 	KINFO *k;
736 	VARENT *ve;
737 {
738 	VAR *v;
739 
740 	v = ve->var;
741 	if (k->ki_u.u_valid)
742 		printval((char *)((char *)(&k->ki_u.u_ru) + v->off), v);
743 	else
744 		(void)printf("%*s", v->width, "-");
745 }
746