xref: /netbsd-src/bin/ps/print.c (revision bada23909e740596d0a3785a73bd3583a9807fb8) 
1 /*	$NetBSD: print.c,v 1.39 1998/07/28 18:41:59 mycroft Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)print.c	8.6 (Berkeley) 4/16/94";
40 #else
41 __RCSID("$NetBSD: print.c,v 1.39 1998/07/28 18:41:59 mycroft Exp $");
42 #endif
43 #endif /* not lint */
44 
45 #include <sys/param.h>
46 #include <sys/time.h>
47 #include <sys/resource.h>
48 #include <sys/proc.h>
49 #include <sys/stat.h>
50 #include <sys/ucred.h>
51 #include <sys/sysctl.h>
52 
53 #include <vm/vm.h>
54 
55 #include <err.h>
56 #include <kvm.h>
57 #include <math.h>
58 #include <nlist.h>
59 #include <pwd.h>
60 #include <stddef.h>
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <time.h>
65 #include <tzfile.h>
66 #include <unistd.h>
67 
68 #include "ps.h"
69 
70 extern kvm_t *kd;
71 extern int needenv, needcomm, commandonly;
72 
73 static char *cmdpart __P((char *));
74 static void  printval __P((char *, VAR *));
75 static int   titlecmp __P((char *, char **));
76 
77 #define	min(a,b)	((a) <= (b) ? (a) : (b))
78 #define	max(a,b)	((a) >= (b) ? (a) : (b))
79 
80 static char *
81 cmdpart(arg0)
82 	char *arg0;
83 {
84 	char *cp;
85 
86 	return ((cp = strrchr(arg0, '/')) != NULL ? cp + 1 : arg0);
87 }
88 
89 void
90 printheader()
91 {
92 	VAR *v;
93 	struct varent *vent;
94 
95 	for (vent = vhead; vent; vent = vent->next) {
96 		v = vent->var;
97 		if (v->flag & LJUST) {
98 			if (vent->next == NULL)	/* last one */
99 				(void)printf("%s", v->header);
100 			else
101 				(void)printf("%-*s", v->width, v->header);
102 		} else
103 			(void)printf("%*s", v->width, v->header);
104 		if (vent->next != NULL)
105 			(void)putchar(' ');
106 	}
107 	(void)putchar('\n');
108 }
109 
110 static int
111 titlecmp(name, argv)
112 	char *name;
113 	char **argv;
114 {
115 	char *title;
116 	int namelen;
117 
118 	if (argv == 0 || argv[0] == 0)
119 		return (1);
120 
121 	title = cmdpart(argv[0]);
122 
123 	if (!strcmp(name, title))
124 		return (0);
125 
126 	if (title[0] == '-' && !strcmp(name, title+1))
127 		return (0);
128 
129 	namelen = strlen(name);
130 
131 	if (argv[1] == 0 &&
132 	    !strncmp(name, title, namelen) &&
133 	    title[namelen+0] == ':' &&
134 	    title[namelen+1] == ' ')
135 		return (0);
136 
137 	return (1);
138 }
139 
140 void
141 command(ki, ve)
142 	KINFO *ki;
143 	VARENT *ve;
144 {
145 	VAR *v;
146 	int left;
147 	char **argv, **p, *name;
148 
149 	v = ve->var;
150 	if (ve->next != NULL || termwidth != UNLIMITED) {
151 		if (ve->next == NULL) {
152 			left = termwidth - (totwidth - v->width);
153 			if (left < 1) /* already wrapped, just use std width */
154 				left = v->width;
155 		} else
156 			left = v->width;
157 	} else
158 		left = -1;
159 	if (needenv) {
160 		argv = kvm_getenvv(kd, ki->ki_p, termwidth);
161 		if ((p = argv) != NULL) {
162 			while (*p) {
163 				fmt_puts(*p, &left);
164 				p++;
165 				fmt_putc(' ', &left);
166 			}
167 		}
168 	}
169 	if (needcomm) {
170 		name = KI_PROC(ki)->p_comm;
171 		if (!commandonly) {
172 			argv = kvm_getargv(kd, ki->ki_p, termwidth);
173 			if ((p = argv) != NULL) {
174 				while (*p) {
175 					fmt_puts(*p, &left);
176 					p++;
177 					fmt_putc(' ', &left);
178 				}
179 			}
180 			if (titlecmp(name, argv)) {
181 				fmt_putc('(', &left);
182 				fmt_puts(name, &left);
183 				fmt_putc(')', &left);
184 			}
185 		} else {
186 			fmt_puts(name, &left);
187 		}
188 	}
189 	if (ve->next && left > 0)
190 		printf("%*s", left, "");
191 }
192 
193 void
194 ucomm(k, ve)
195 	KINFO *k;
196 	VARENT *ve;
197 {
198 	VAR *v;
199 
200 	v = ve->var;
201 	(void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
202 }
203 
204 void
205 logname(k, ve)
206 	KINFO *k;
207 	VARENT *ve;
208 {
209 	VAR *v;
210 	int n;
211 
212 	v = ve->var;
213 	n = min(v->width, MAXLOGNAME);
214 	(void)printf("%-*.*s", n, n, KI_EPROC(k)->e_login);
215 	if (v->width > n)
216 		(void)printf("%*s", v->width - n, "");
217 }
218 
219 void
220 state(k, ve)
221 	KINFO *k;
222 	VARENT *ve;
223 {
224 	struct proc *p;
225 	int flag;
226 	char *cp;
227 	VAR *v;
228 	char buf[16];
229 
230 	v = ve->var;
231 	p = KI_PROC(k);
232 	flag = p->p_flag;
233 	cp = buf;
234 
235 	switch (p->p_stat) {
236 
237 	case SSTOP:
238 		*cp = 'T';
239 		break;
240 
241 	case SSLEEP:
242 		if (flag & P_SINTR)	/* interuptable (long) */
243 			*cp = p->p_slptime >= MAXSLP ? 'I' : 'S';
244 		else
245 			*cp = 'D';
246 		break;
247 
248 	case SRUN:
249 	case SIDL:
250 		*cp = 'R';
251 		break;
252 
253 	case SZOMB:
254 		*cp = 'Z';
255 		break;
256 
257 	default:
258 		*cp = '?';
259 	}
260 	cp++;
261 	if (flag & P_INMEM) {
262 	} else
263 		*cp++ = 'W';
264 	if (p->p_nice < NZERO)
265 		*cp++ = '<';
266 	else if (p->p_nice > NZERO)
267 		*cp++ = 'N';
268 	if (flag & P_TRACED)
269 		*cp++ = 'X';
270 	if (flag & P_WEXIT && p->p_stat != SZOMB)
271 		*cp++ = 'E';
272 	if (flag & P_PPWAIT)
273 		*cp++ = 'V';
274 	if ((flag & P_SYSTEM) || p->p_holdcnt)
275 		*cp++ = 'L';
276 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
277 		*cp++ = 's';
278 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
279 		*cp++ = '+';
280 	*cp = '\0';
281 	(void)printf("%-*s", v->width, buf);
282 }
283 
284 void
285 pnice(k, ve)
286 	KINFO *k;
287 	VARENT *ve;
288 {
289 	VAR *v;
290 
291 	v = ve->var;
292 	(void)printf("%*d", v->width, KI_PROC(k)->p_nice - NZERO);
293 }
294 
295 void
296 pri(k, ve)
297 	KINFO *k;
298 	VARENT *ve;
299 {
300 	VAR *v;
301 
302 	v = ve->var;
303 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
304 }
305 
306 void
307 uname(k, ve)
308 	KINFO *k;
309 	VARENT *ve;
310 {
311 	VAR *v;
312 
313 	v = ve->var;
314 	(void)printf("%-*s",
315 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
316 }
317 
318 void
319 runame(k, ve)
320 	KINFO *k;
321 	VARENT *ve;
322 {
323 	VAR *v;
324 
325 	v = ve->var;
326 	(void)printf("%-*s",
327 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
328 }
329 
330 void
331 tdev(k, ve)
332 	KINFO *k;
333 	VARENT *ve;
334 {
335 	VAR *v;
336 	dev_t dev;
337 	char buff[16];
338 
339 	v = ve->var;
340 	dev = KI_EPROC(k)->e_tdev;
341 	if (dev == NODEV)
342 		(void)printf("%*s", v->width, "??");
343 	else {
344 		(void)snprintf(buff, sizeof(buff),
345 		    "%d/%d", major(dev), minor(dev));
346 		(void)printf("%*s", v->width, buff);
347 	}
348 }
349 
350 void
351 tname(k, ve)
352 	KINFO *k;
353 	VARENT *ve;
354 {
355 	VAR *v;
356 	dev_t dev;
357 	const char *ttname;
358 
359 	v = ve->var;
360 	dev = KI_EPROC(k)->e_tdev;
361 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
362 		(void)printf("%-*s", v->width, "??");
363 	else {
364 		if (strncmp(ttname, "tty", 3) == 0)
365 			ttname += 3;
366 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
367 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
368 	}
369 }
370 
371 void
372 longtname(k, ve)
373 	KINFO *k;
374 	VARENT *ve;
375 {
376 	VAR *v;
377 	dev_t dev;
378 	const char *ttname;
379 
380 	v = ve->var;
381 	dev = KI_EPROC(k)->e_tdev;
382 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
383 		(void)printf("%-*s", v->width, "??");
384 	else
385 		(void)printf("%-*s", v->width, ttname);
386 }
387 
388 void
389 started(k, ve)
390 	KINFO *k;
391 	VARENT *ve;
392 {
393 	VAR *v;
394 	static time_t now;
395 	time_t startt;
396 	struct tm *tp;
397 	char buf[100];
398 
399 	v = ve->var;
400 	if (!k->ki_u.u_valid) {
401 		(void)printf("%-*s", v->width, "-");
402 		return;
403 	}
404 
405 	startt = k->ki_u.u_start.tv_sec;
406 	tp = localtime(&startt);
407 	if (!now)
408 		(void)time(&now);
409 	if (now - k->ki_u.u_start.tv_sec < 24 * SECSPERHOUR) {
410 		/* I *hate* SCCS... */
411 		static char fmt[] = __CONCAT("%l:%", "M%p");
412 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
413 	} else if (now - k->ki_u.u_start.tv_sec < 7 * SECSPERDAY) {
414 		/* I *hate* SCCS... */
415 		static char fmt[] = __CONCAT("%a%", "I%p");
416 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
417 	} else
418 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
419 	(void)printf("%-*s", v->width, buf);
420 }
421 
422 void
423 lstarted(k, ve)
424 	KINFO *k;
425 	VARENT *ve;
426 {
427 	VAR *v;
428 	time_t startt;
429 	char buf[100];
430 
431 	v = ve->var;
432 	if (!k->ki_u.u_valid) {
433 		(void)printf("%-*s", v->width, "-");
434 		return;
435 	}
436 	startt = k->ki_u.u_start.tv_sec;
437 	(void)strftime(buf, sizeof(buf) -1, "%c",
438 	    localtime(&startt));
439 	(void)printf("%-*s", v->width, buf);
440 }
441 
442 void
443 wchan(k, ve)
444 	KINFO *k;
445 	VARENT *ve;
446 {
447 	VAR *v;
448 	int n;
449 
450 	v = ve->var;
451 	if (KI_PROC(k)->p_wchan) {
452 		if (KI_PROC(k)->p_wmesg) {
453 			n = min(v->width, WMESGLEN);
454 			(void)printf("%-*.*s", n, n, KI_EPROC(k)->e_wmesg);
455 			if (v->width > n)
456 				(void)printf("%*s", v->width - n, "");
457 		} else
458 			(void)printf("%-*lx", v->width,
459 			    (long)KI_PROC(k)->p_wchan);
460 	} else
461 		(void)printf("%-*s", v->width, "-");
462 }
463 
464 #define pgtok(a)        (((a)*getpagesize())/1024)
465 
466 void
467 vsize(k, ve)
468 	KINFO *k;
469 	VARENT *ve;
470 {
471 	VAR *v;
472 
473 	v = ve->var;
474 	(void)printf("%*d", v->width,
475 	    pgtok(KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize +
476 		KI_EPROC(k)->e_vm.vm_tsize));
477 }
478 
479 void
480 rssize(k, ve)
481 	KINFO *k;
482 	VARENT *ve;
483 {
484 	VAR *v;
485 
486 	v = ve->var;
487 	/* XXX don't have info about shared */
488 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
489 }
490 
491 void
492 p_rssize(k, ve)		/* doesn't account for text */
493 	KINFO *k;
494 	VARENT *ve;
495 {
496 	VAR *v;
497 
498 	v = ve->var;
499 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
500 }
501 
502 void
503 cputime(k, ve)
504 	KINFO *k;
505 	VARENT *ve;
506 {
507 	VAR *v;
508 	long secs;
509 	long psecs;	/* "parts" of a second. first micro, then centi */
510 	char obuff[128];
511 
512 	v = ve->var;
513 	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
514 		secs = 0;
515 		psecs = 0;
516 	} else {
517 		/*
518 		 * This counts time spent handling interrupts.  We could
519 		 * fix this, but it is not 100% trivial (and interrupt
520 		 * time fractions only work on the sparc anyway).	XXX
521 		 */
522 		secs = KI_PROC(k)->p_rtime.tv_sec;
523 		psecs = KI_PROC(k)->p_rtime.tv_usec;
524 		if (sumrusage) {
525 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
526 				k->ki_u.u_cru.ru_stime.tv_sec;
527 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
528 				k->ki_u.u_cru.ru_stime.tv_usec;
529 		}
530 		/*
531 		 * round and scale to 100's
532 		 */
533 		psecs = (psecs + 5000) / 10000;
534 		secs += psecs / 100;
535 		psecs = psecs % 100;
536 	}
537 	(void)snprintf(obuff, sizeof(obuff),
538 	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
539 	(void)printf("%*s", v->width, obuff);
540 }
541 
542 double
543 getpcpu(k)
544 	KINFO *k;
545 {
546 	struct proc *p;
547 	static int failure;
548 
549 	if (!nlistread)
550 		failure = donlist();
551 	if (failure)
552 		return (0.0);
553 
554 	p = KI_PROC(k);
555 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
556 
557 	/* XXX - I don't like this */
558 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0
559 	    || p->p_stat == SZOMB)
560 		return (0.0);
561 	if (rawcpu)
562 		return (100.0 * fxtofl(p->p_pctcpu));
563 	return (100.0 * fxtofl(p->p_pctcpu) /
564 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
565 }
566 
567 void
568 pcpu(k, ve)
569 	KINFO *k;
570 	VARENT *ve;
571 {
572 	VAR *v;
573 
574 	v = ve->var;
575 	(void)printf("%*.1f", v->width, getpcpu(k));
576 }
577 
578 double
579 getpmem(k)
580 	KINFO *k;
581 {
582 	static int failure;
583 	struct proc *p;
584 	struct eproc *e;
585 	double fracmem;
586 	int szptudot;
587 
588 	if (!nlistread)
589 		failure = donlist();
590 	if (failure)
591 		return (0.0);
592 
593 	p = KI_PROC(k);
594 	e = KI_EPROC(k);
595 	if ((p->p_flag & P_INMEM) == 0)
596 		return (0.0);
597 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
598 	szptudot = USPACE/getpagesize();
599 	/* XXX don't have info about shared */
600 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/CLSIZE/mempages;
601 	return (100.0 * fracmem);
602 }
603 
604 void
605 pmem(k, ve)
606 	KINFO *k;
607 	VARENT *ve;
608 {
609 	VAR *v;
610 
611 	v = ve->var;
612 	(void)printf("%*.1f", v->width, getpmem(k));
613 }
614 
615 void
616 pagein(k, ve)
617 	KINFO *k;
618 	VARENT *ve;
619 {
620 	VAR *v;
621 
622 	v = ve->var;
623 	(void)printf("%*ld", v->width,
624 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
625 }
626 
627 void
628 maxrss(k, ve)
629 	KINFO *k;
630 	VARENT *ve;
631 {
632 	VAR *v;
633 
634 	v = ve->var;
635 	(void)printf("%*s", v->width, "-");
636 }
637 
638 void
639 tsize(k, ve)
640 	KINFO *k;
641 	VARENT *ve;
642 {
643 	VAR *v;
644 
645 	v = ve->var;
646 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_tsize));
647 }
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 	enum type type;
661 
662 	cp = ofmt + 1;
663 	fcp = v->fmt;
664 	if (v->flag & LJUST)
665 		*cp++ = '-';
666 	*cp++ = '*';
667 	while ((*cp++ = *fcp++) != '\0')
668 		continue;
669 
670 	/*
671 	 * Note that the "INF127" check is nonsensical for types
672 	 * that are or can be signed.
673 	 */
674 #define	GET(type)		(*(type *)bp)
675 #define	CHK_INF127(n)		(((n) > 127) && (v->flag & INF127) ? 127 : (n))
676 
677 	switch (v->type) {
678 	case INT32:
679 		if (sizeof(int32_t) == sizeof(int))
680 			type = INT;
681 		else if (sizeof(int32_t) == sizeof(long))
682 			type = LONG;
683 		else
684 			errx(1, "unknown conversion for type %d", v->type);
685 		break;
686 	case UINT32:
687 		if (sizeof(u_int32_t) == sizeof(u_int))
688 			type = UINT;
689 		else if (sizeof(u_int32_t) == sizeof(u_long))
690 			type = ULONG;
691 		else
692 			errx(1, "unknown conversion for type %d", v->type);
693 		break;
694 	default:
695 		type = v->type;
696 		break;
697 	}
698 
699 	switch (type) {
700 	case CHAR:
701 		(void)printf(ofmt, v->width, GET(char));
702 		break;
703 	case UCHAR:
704 		(void)printf(ofmt, v->width, CHK_INF127(GET(u_char)));
705 		break;
706 	case SHORT:
707 		(void)printf(ofmt, v->width, GET(short));
708 		break;
709 	case USHORT:
710 		(void)printf(ofmt, v->width, CHK_INF127(GET(u_short)));
711 		break;
712 	case INT:
713 		(void)printf(ofmt, v->width, GET(int));
714 		break;
715 	case UINT:
716 		(void)printf(ofmt, v->width, CHK_INF127(GET(u_int)));
717 		break;
718 	case LONG:
719 		(void)printf(ofmt, v->width, GET(long));
720 		break;
721 	case ULONG:
722 		(void)printf(ofmt, v->width, CHK_INF127(GET(u_long)));
723 		break;
724 	case KPTR:
725 		(void)printf(ofmt, v->width, GET(u_long));
726 		break;
727 	default:
728 		errx(1, "unknown type %d", v->type);
729 	}
730 #undef GET
731 #undef CHK_INF127
732 }
733 
734 void
735 pvar(k, ve)
736 	KINFO *k;
737 	VARENT *ve;
738 {
739 	VAR *v;
740 
741 	v = ve->var;
742 	printval((char *)KI_PROC(k) + v->off, v);
743 }
744 
745 void
746 evar(k, ve)
747 	KINFO *k;
748 	VARENT *ve;
749 {
750 	VAR *v;
751 
752 	v = ve->var;
753 	printval((char *)KI_EPROC(k) + v->off, v);
754 }
755 
756 void
757 uvar(k, ve)
758 	KINFO *k;
759 	VARENT *ve;
760 {
761 	VAR *v;
762 
763 	v = ve->var;
764 	if (k->ki_u.u_valid)
765 		printval((char *)&k->ki_u + v->off, v);
766 	else
767 		(void)printf("%*s", v->width, "-");
768 }
769 
770 void
771 rvar(k, ve)
772 	KINFO *k;
773 	VARENT *ve;
774 {
775 	VAR *v;
776 
777 	v = ve->var;
778 	if (k->ki_u.u_valid)
779 		printval((char *)&k->ki_u.u_ru + v->off, v);
780 	else
781 		(void)printf("%*s", v->width, "-");
782 }
783