xref: /dragonfly/bin/ps/print.c (revision 2d8a3be7) 
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  * @(#)print.c	8.6 (Berkeley) 4/16/94
34  * $FreeBSD: src/bin/ps/print.c,v 1.36.2.4 2002/11/30 13:00:14 tjr Exp $
35  * $DragonFly: src/bin/ps/print.c,v 1.8 2003/09/28 14:39:15 hmp Exp $
36  */
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 #include <sys/ucred.h>
45 #include <sys/user.h>
46 #include <sys/sysctl.h>
47 #include <sys/rtprio.h>
48 #include <vm/vm.h>
49 
50 #include <err.h>
51 #include <langinfo.h>
52 #include <locale.h>
53 #include <math.h>
54 #include <nlist.h>
55 #include <stddef.h>
56 #include <stdio.h>
57 #include <stdlib.h>
58 #include <unistd.h>
59 #include <string.h>
60 #include <vis.h>
61 
62 #include "ps.h"
63 
64 void
65 printheader(void)
66 {
67 	VAR *v;
68 	struct varent *vent;
69 	int allempty;
70 
71 	allempty = 1;
72 	for (vent = vhead; vent; vent = vent->next)
73 		if (*vent->var->header != '\0') {
74 			allempty = 0;
75 			break;
76 		}
77 	if (allempty)
78 		return;
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(KINFO *k, VARENT *ve)
96 {
97 	VAR *v;
98 	int left;
99 	char *cp, *vis_env, *vis_args;
100 
101 	v = ve->var;
102 
103 	if (cflag) {
104 		if (ve->next == NULL)	/* last field, don't pad */
105 			(void)printf("%s", KI_THREAD(k)->td_comm);
106 		else
107 			(void)printf("%-*s", v->width, KI_THREAD(k)->td_comm);
108 		return;
109 	}
110 
111 	if ((vis_args = malloc(strlen(k->ki_args) * 4 + 1)) == NULL)
112 		err(1, NULL);
113 	strvis(vis_args, k->ki_args, VIS_TAB | VIS_NL | VIS_NOSLASH);
114 	if (k->ki_env) {
115 		if ((vis_env = malloc(strlen(k->ki_env) * 4 + 1)) == NULL)
116 			err(1, NULL);
117 		strvis(vis_env, k->ki_env, VIS_TAB | VIS_NL | VIS_NOSLASH);
118 	} else
119 		vis_env = NULL;
120 
121 	if (ve->next == NULL) {
122 		/* last field */
123 		if (termwidth == UNLIMITED) {
124 			if (vis_env)
125 				(void)printf("%s ", vis_env);
126 			(void)printf("%s", vis_args);
127 		} else {
128 			left = termwidth - (totwidth - v->width);
129 			if (left < 1) /* already wrapped, just use std width */
130 				left = v->width;
131 			if ((cp = vis_env) != NULL) {
132 				while (--left >= 0 && *cp)
133 					(void)putchar(*cp++);
134 				if (--left >= 0)
135 					putchar(' ');
136 			}
137 			for (cp = vis_args; --left >= 0 && *cp != '\0';)
138 				(void)putchar(*cp++);
139 		}
140 	} else
141 		/* XXX env? */
142 		(void)printf("%-*.*s", v->width, v->width, vis_args);
143 	free(vis_args);
144 	if (vis_env != NULL)
145 		free(vis_env);
146 }
147 
148 void
149 ucomm(KINFO *k, VARENT *ve)
150 {
151 	VAR *v;
152 
153 	v = ve->var;
154 	(void)printf("%-*s", v->width, KI_THREAD(k)->td_comm);
155 }
156 
157 void
158 logname(KINFO *k, VARENT *ve)
159 {
160 	VAR *v;
161 	char *s;
162 
163 	v = ve->var;
164 	(void)printf("%-*s", v->width, (s = KI_EPROC(k)->e_login, *s) ? s : "-");
165 }
166 
167 void
168 state(KINFO *k, 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)	/* interruptable (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 		if (KI_THREAD(k)->td_flags & TDF_RUNNING) {
198 		    ++cp;
199 		    sprintf(cp, "%d", KI_EPROC(k)->e_cpuid);
200 		    while (cp[1])
201 			++cp;
202 		}
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 (p->p_nice < NZERO)
216 		*cp++ = '<';
217 	else if (p->p_nice > NZERO)
218 		*cp++ = 'N';
219 	if (flag & P_TRACED)
220 		*cp++ = 'X';
221 	if (flag & P_WEXIT && p->p_stat != SZOMB)
222 		*cp++ = 'E';
223 	if (flag & P_PPWAIT)
224 		*cp++ = 'V';
225 	if ((flag & P_SYSTEM) || p->p_lock > 0)
226 		*cp++ = 'L';
227 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
228 		*cp++ = 's';
229 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_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(KINFO *k, VARENT *ve)
239 {
240 	VAR *v;
241 
242 	v = ve->var;
243 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority);
244 }
245 
246 void
247 uname(KINFO *k, VARENT *ve)
248 {
249 	VAR *v;
250 
251 	v = ve->var;
252 	(void)printf("%-*s",
253 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
254 }
255 
256 int
257 s_uname(KINFO *k)
258 {
259 	    return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0)));
260 }
261 
262 void
263 runame(KINFO *k, VARENT *ve)
264 {
265 	VAR *v;
266 
267 	v = ve->var;
268 	(void)printf("%-*s",
269 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_ruid, 0));
270 }
271 
272 int
273 s_runame(KINFO *k)
274 {
275 	    return (strlen(user_from_uid(KI_EPROC(k)->e_ucred.cr_ruid, 0)));
276 }
277 
278 void
279 tdev(KINFO *k, VARENT *ve)
280 {
281 	VAR *v;
282 	dev_t dev;
283 	char buff[16];
284 
285 	v = ve->var;
286 	dev = KI_EPROC(k)->e_tdev;
287 	if (dev == NODEV)
288 		(void)printf("%*s", v->width, "??");
289 	else {
290 		(void)snprintf(buff, sizeof(buff),
291 		    "%d/%d", major(dev), minor(dev));
292 		(void)printf("%*s", v->width, buff);
293 	}
294 }
295 
296 void
297 tname(KINFO *k, VARENT *ve)
298 {
299 	VAR *v;
300 	dev_t dev;
301 	char *ttname;
302 
303 	v = ve->var;
304 	dev = KI_EPROC(k)->e_tdev;
305 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
306 		(void)printf("%*s ", v->width-1, "??");
307 	else {
308 		if (strncmp(ttname, "tty", 3) == 0 ||
309 		    strncmp(ttname, "cua", 3) == 0)
310 			ttname += 3;
311 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
312 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
313 	}
314 }
315 
316 void
317 longtname(KINFO *k, VARENT *ve)
318 {
319 	VAR *v;
320 	dev_t dev;
321 	char *ttname;
322 
323 	v = ve->var;
324 	dev = KI_EPROC(k)->e_tdev;
325 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
326 		(void)printf("%-*s", v->width, "??");
327 	else
328 		(void)printf("%-*s", v->width, ttname);
329 }
330 
331 void
332 started(KINFO *k, VARENT *ve)
333 {
334 	VAR *v;
335 	static time_t now;
336 	time_t then;
337 	struct tm *tp;
338 	char buf[100];
339 	static int  use_ampm = -1;
340 
341 	v = ve->var;
342 	if (!k->ki_u.u_valid) {
343 		(void)printf("%-*s", v->width, "-");
344 		return;
345 	}
346 
347 	if (use_ampm < 0)
348 		use_ampm = (*nl_langinfo(T_FMT_AMPM) != '\0');
349 
350 	then = k->ki_u.u_start.tv_sec;
351 	tp = localtime(&then);
352 	if (!now)
353 		(void)time(&now);
354 	if (now - k->ki_u.u_start.tv_sec < 24 * 3600) {
355 		(void)strftime(buf, sizeof(buf) - 1,
356 		use_ampm ? "%l:%M%p" : "%k:%M  ", tp);
357 	} else if (now - k->ki_u.u_start.tv_sec < 7 * 86400) {
358 		(void)strftime(buf, sizeof(buf) - 1,
359 		use_ampm ? "%a%I%p" : "%a%H  ", tp);
360 	} else
361 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
362 	(void)printf("%-*s", v->width, buf);
363 }
364 
365 void
366 lstarted(KINFO *k, VARENT *ve)
367 {
368 	VAR *v;
369 	time_t then;
370 	char buf[100];
371 
372 	v = ve->var;
373 	if (!k->ki_u.u_valid) {
374 		(void)printf("%-*s", v->width, "-");
375 		return;
376 	}
377 	then = k->ki_u.u_start.tv_sec;
378 	(void)strftime(buf, sizeof(buf) -1, "%c", localtime(&then));
379 	(void)printf("%-*s", v->width, buf);
380 }
381 
382 void
383 wchan(KINFO *k, VARENT *ve)
384 {
385 	VAR *v;
386 
387 	v = ve->var;
388 	if (KI_THREAD(k)->td_wchan) {
389 		if (KI_THREAD(k)->td_wmesg)
390 			(void)printf("%-*.*s", v->width, v->width,
391 				      KI_EPROC(k)->e_wmesg);
392 		else
393 			(void)printf("%-*lx", v->width,
394 			    (long)KI_THREAD(k)->td_wchan);
395 	} else
396 		(void)printf("%-*s", v->width, "-");
397 }
398 
399 #ifndef pgtok
400 #define pgtok(a)        (((a)*getpagesize())/1024)
401 #endif
402 
403 void
404 vsize(KINFO *k, VARENT *ve)
405 {
406 	VAR *v;
407 
408 	v = ve->var;
409 	(void)printf("%*d", v->width,
410 	    (KI_EPROC(k)->e_vm.vm_map.size/1024));
411 }
412 
413 void
414 rssize(KINFO *k, VARENT *ve)
415 {
416 	VAR *v;
417 
418 	v = ve->var;
419 	/* XXX don't have info about shared */
420 	(void)printf("%*lu", v->width,
421 	    (u_long)pgtok(KI_EPROC(k)->e_vm.vm_rssize));
422 }
423 
424 void
425 p_rssize(KINFO *k, VARENT *ve)		/* doesn't account for text */
426 {
427 	VAR *v;
428 
429 	v = ve->var;
430 	(void)printf("%*ld", v->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_rssize));
431 }
432 
433 void
434 cputime(KINFO *k, VARENT *ve)
435 {
436 	VAR *v;
437 	long secs;
438 	long psecs;	/* "parts" of a second. first micro, then centi */
439 	char obuff[128];
440 	static char decimal_point = 0;
441 
442 	if (!decimal_point)
443 		decimal_point = localeconv()->decimal_point[0];
444 	v = ve->var;
445 	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
446 		secs = 0;
447 		psecs = 0;
448 	} else {
449 		u_int64_t timeus;
450 
451 		/*
452 		 * This counts time spent handling interrupts.  We could
453 		 * fix this, but it is not 100% trivial (and interrupt
454 		 * time fractions only work on the sparc anyway).	XXX
455 		 */
456 		timeus = KI_EPROC(k)->e_uticks + KI_EPROC(k)->e_sticks;
457 		secs = timeus / 1000000;
458 		psecs = timeus % 1000000;
459 		if (sumrusage) {
460 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
461 				k->ki_u.u_cru.ru_stime.tv_sec;
462 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
463 				k->ki_u.u_cru.ru_stime.tv_usec;
464 		}
465 		/*
466 		 * round and scale to 100's
467 		 */
468 		psecs = (psecs + 5000) / 10000;
469 		secs += psecs / 100;
470 		psecs = psecs % 100;
471 	}
472 	(void)snprintf(obuff, sizeof(obuff),
473 	    "%3ld:%02ld%c%02ld", secs/60, secs%60, decimal_point, psecs);
474 	(void)printf("%*s", v->width, obuff);
475 }
476 
477 double
478 getpcpu(KINFO *k)
479 {
480 	struct proc *p;
481 	static int failure;
482 
483 	if (!nlistread)
484 		failure = donlist();
485 	if (failure)
486 		return (0.0);
487 
488 	p = KI_PROC(k);
489 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
490 
491 	/* XXX - I don't like this */
492 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0)
493 		return (0.0);
494 	if (rawcpu)
495 		return (100.0 * fxtofl(p->p_pctcpu));
496 	return (100.0 * fxtofl(p->p_pctcpu) /
497 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
498 }
499 
500 void
501 pcpu(KINFO *k, VARENT *ve)
502 {
503 	VAR *v;
504 
505 	v = ve->var;
506 	(void)printf("%*.1f", v->width, getpcpu(k));
507 }
508 
509 void
510 pnice(KINFO *k, VARENT *ve)
511 {
512 	VAR *v;
513 	int nice;
514 
515 	switch (KI_PROC(k)->p_rtprio.type) {
516 	case RTP_PRIO_REALTIME:
517 		nice = PRIO_MIN - 1 - RTP_PRIO_MAX + KI_PROC(k)->p_rtprio.prio;
518 		break;
519 	case RTP_PRIO_IDLE:
520 		nice = PRIO_MAX + 1 + KI_PROC(k)->p_rtprio.prio;
521 		break;
522 	case RTP_PRIO_THREAD:
523 		nice = PRIO_MIN - 1 - RTP_PRIO_MAX - KI_PROC(k)->p_rtprio.prio;
524 		break;
525 	default:
526 		nice = KI_PROC(k)->p_nice - NZERO;
527 		break;
528 	}
529 	v = ve->var;
530 	(void)printf("%*d", v->width, nice);
531 }
532 
533 
534 double
535 getpmem(KINFO *k)
536 {
537 	static int failure;
538 	struct proc *p;
539 	struct eproc *e;
540 	double fracmem;
541 	int szptudot;
542 
543 	if (!nlistread)
544 		failure = donlist();
545 	if (failure)
546 		return (0.0);
547 
548 	p = KI_PROC(k);
549 	e = KI_EPROC(k);
550 	if ((p->p_flag & P_INMEM) == 0)
551 		return (0.0);
552 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
553 	szptudot = UPAGES;
554 	/* XXX don't have info about shared */
555 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages;
556 	return (100.0 * fracmem);
557 }
558 
559 void
560 pmem(KINFO *k, VARENT *ve)
561 {
562 	VAR *v;
563 
564 	v = ve->var;
565 	(void)printf("%*.1f", v->width, getpmem(k));
566 }
567 
568 void
569 pagein(KINFO *k, VARENT *ve)
570 {
571 	VAR *v;
572 
573 	v = ve->var;
574 	(void)printf("%*ld", v->width,
575 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
576 }
577 
578 void
579 maxrss(KINFO *k, VARENT *ve)
580 {
581 	VAR *v;
582 
583 	v = ve->var;
584 	/* XXX not yet */
585 	(void)printf("%*s", v->width, "-");
586 }
587 
588 void
589 tsize(KINFO *k, VARENT *ve)
590 {
591 	VAR *v;
592 
593 	v = ve->var;
594 	(void)printf("%*ld", v->width, (long)pgtok(KI_EPROC(k)->e_vm.vm_tsize));
595 }
596 
597 void
598 rtprior(KINFO *k, VARENT *ve)
599 {
600 	VAR *v;
601 	struct rtprio *prtp;
602 	char str[8];
603 	unsigned prio, type;
604 
605 	v = ve->var;
606 	prtp = (struct rtprio *) ((char *)KI_PROC(k) + v->off);
607 	prio = prtp->prio;
608 	type = prtp->type;
609 	switch (type) {
610 	case RTP_PRIO_REALTIME:
611 		snprintf(str, sizeof(str), "real:%u", prio);
612 		break;
613 	case RTP_PRIO_NORMAL:
614 		strncpy(str, "normal", sizeof(str));
615 		break;
616 	case RTP_PRIO_IDLE:
617 		snprintf(str, sizeof(str), "idle:%u", prio);
618 		break;
619 	default:
620 		snprintf(str, sizeof(str), "%u:%u", type, prio);
621 		break;
622 	}
623 	str[sizeof(str) - 1] = '\0';
624 	(void)printf("%*s", v->width, str);
625 }
626 
627 /*
628  * Generic output routines.  Print fields from various prototype
629  * structures.
630  */
631 static void
632 printval(char *bp, VAR *v)
633 {
634 	static char ofmt[32] = "%";
635 	char *fcp, *cp;
636 
637 	cp = ofmt + 1;
638 	fcp = v->fmt;
639 	if (v->flag & LJUST)
640 		*cp++ = '-';
641 	*cp++ = '*';
642 	while ((*cp++ = *fcp++));
643 
644 	switch (v->type) {
645 	case CHAR:
646 		(void)printf(ofmt, v->width, *(char *)bp);
647 		break;
648 	case UCHAR:
649 		(void)printf(ofmt, v->width, *(u_char *)bp);
650 		break;
651 	case SHORT:
652 		(void)printf(ofmt, v->width, *(short *)bp);
653 		break;
654 	case USHORT:
655 		(void)printf(ofmt, v->width, *(u_short *)bp);
656 		break;
657 	case INT:
658 		(void)printf(ofmt, v->width, *(int *)bp);
659 		break;
660 	case UINT:
661 		(void)printf(ofmt, v->width, *(u_int *)bp);
662 		break;
663 	case LONG:
664 		(void)printf(ofmt, v->width, *(long *)bp);
665 		break;
666 	case ULONG:
667 		(void)printf(ofmt, v->width, *(u_long *)bp);
668 		break;
669 	case KPTR:
670 		(void)printf(ofmt, v->width, *(u_long *)bp);
671 		break;
672 	default:
673 		errx(1, "unknown type %d", v->type);
674 	}
675 }
676 
677 void
678 pvar(KINFO *k, VARENT *ve)
679 {
680 	VAR *v;
681 
682 	v = ve->var;
683 	printval((char *)((char *)KI_PROC(k) + v->off), v);
684 }
685 
686 void
687 tvar(KINFO *k, VARENT *ve)
688 {
689 	VAR *v;
690 
691 	v = ve->var;
692 	printval((char *)((char *)KI_THREAD(k) + v->off), v);
693 }
694 
695 void
696 evar(KINFO *k, VARENT *ve)
697 {
698 	VAR *v;
699 
700 	v = ve->var;
701 	printval((char *)((char *)KI_EPROC(k) + v->off), v);
702 }
703 
704 void
705 uvar(KINFO *k, VARENT *ve)
706 {
707 	VAR *v;
708 
709 	v = ve->var;
710 	if (k->ki_u.u_valid)
711 		printval((char *)((char *)&k->ki_u + v->off), v);
712 	else
713 		(void)printf("%*s", v->width, "-");
714 }
715 
716 void
717 rvar(KINFO *k, VARENT *ve)
718 {
719 	VAR *v;
720 
721 	v = ve->var;
722 	if (k->ki_u.u_valid)
723 		printval((char *)((char *)(&k->ki_u.u_ru) + v->off), v);
724 	else
725 		(void)printf("%*s", v->width, "-");
726 }
727