print.c revision 11021 
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 1.9 1995/09/04 01:22:41 peter Exp $
34 */
35
36#ifndef lint
37static 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/sysctl.h>
53#include <vm/vm.h>
54#else
55#include <machine/pte.h>
56#include <sys/vmparam.h>
57#include <sys/vm.h>
58#endif
59
60#include <err.h>
61#include <math.h>
62#include <nlist.h>
63#include <stddef.h>
64#include <stdio.h>
65#include <stdlib.h>
66#include <string.h>
67#include <vis.h>
68
69#include "ps.h"
70
71void
72printheader()
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
92void
93command(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
139void
140ucomm(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
150void
151logname(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
165void
166state(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_NOSWAP | P_PHYSIO))
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
248void
249pri(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
259void
260uname(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
276void
277runame(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
293void
294tdev(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
313void
314tname(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-1, "??");
326	else {
327		if (strncmp(ttname, "tty", 3) == 0 ||
328		    strncmp(ttname, "cua", 3) == 0)
329			ttname += 3;
330		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
331			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
332	}
333}
334
335void
336longtname(k, ve)
337	KINFO *k;
338	VARENT *ve;
339{
340	VAR *v;
341	dev_t dev;
342	char *ttname;
343
344	v = ve->var;
345	dev = KI_EPROC(k)->e_tdev;
346	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
347		(void)printf("%-*s", v->width, "??");
348	else
349		(void)printf("%-*s", v->width, ttname);
350}
351
352void
353started(k, ve)
354	KINFO *k;
355	VARENT *ve;
356{
357	VAR *v;
358	static time_t now;
359	struct tm *tp;
360	char buf[100];
361
362	v = ve->var;
363	if (!k->ki_u.u_valid) {
364		(void)printf("%-*s", v->width, "-");
365		return;
366	}
367
368	tp = localtime(&k->ki_u.u_start.tv_sec);
369	if (!now)
370		(void)time(&now);
371	if (now - k->ki_u.u_start.tv_sec < 24 * 3600) {
372		/* I *hate* SCCS... */
373		static char fmt[] = __CONCAT("%l:%", "M%p");
374		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
375	} else if (now - k->ki_u.u_start.tv_sec < 7 * 86400) {
376		/* I *hate* SCCS... */
377		static char fmt[] = __CONCAT("%a%", "I%p");
378		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
379	} else
380		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
381	(void)printf("%-*s", v->width, buf);
382}
383
384void
385lstarted(k, ve)
386	KINFO *k;
387	VARENT *ve;
388{
389	VAR *v;
390	char buf[100];
391
392	v = ve->var;
393	if (!k->ki_u.u_valid) {
394		(void)printf("%-*s", v->width, "-");
395		return;
396	}
397	(void)strftime(buf, sizeof(buf) -1, "%C",
398	    localtime(&k->ki_u.u_start.tv_sec));
399	(void)printf("%-*s", v->width, buf);
400}
401
402void
403wchan(k, ve)
404	KINFO *k;
405	VARENT *ve;
406{
407	VAR *v;
408
409	v = ve->var;
410	if (KI_PROC(k)->p_wchan) {
411		if (KI_PROC(k)->p_wmesg)
412			(void)printf("%-*.*s", v->width, v->width,
413				      KI_EPROC(k)->e_wmesg);
414		else
415			(void)printf("%-*x", v->width,
416			    (int)KI_PROC(k)->p_wchan &~ KERNBASE);
417	} else
418		(void)printf("%-*s", v->width, "-");
419}
420
421#define pgtok(a)        (((a)*NBPG)/1024)
422
423void
424vsize(k, ve)
425	KINFO *k;
426	VARENT *ve;
427{
428	VAR *v;
429
430	v = ve->var;
431	(void)printf("%*d", v->width,
432#ifndef NEWVM
433	    pgtok(KI_PROC(k)->p_dsize +
434	        KI_PROC(k)->p_ssize + KI_EPROC(k)->e_xsize));
435#else
436	    pgtok(KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize +
437		KI_EPROC(k)->e_vm.vm_tsize));
438#endif
439}
440
441void
442rssize(k, ve)
443	KINFO *k;
444	VARENT *ve;
445{
446	VAR *v;
447
448	v = ve->var;
449#ifndef NEWVM
450	(void)printf("%*d", v->width,
451	    pgtok(KI_PROC(k)->p_rssize + (KI_EPROC(k)->e_xccount ?
452	    (KI_EPROC(k)->e_xrssize / KI_EPROC(k)->e_xccount) : 0)));
453#else
454	/* XXX don't have info about shared */
455	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
456#endif
457}
458
459void
460p_rssize(k, ve)		/* doesn't account for text */
461	KINFO *k;
462	VARENT *ve;
463{
464	VAR *v;
465
466	v = ve->var;
467#ifndef NEWVM
468	(void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_rssize));
469#else
470	(void)printf("%*ld", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
471#endif
472}
473
474void
475cputime(k, ve)
476	KINFO *k;
477	VARENT *ve;
478{
479	VAR *v;
480	long secs;
481	long psecs;	/* "parts" of a second. first micro, then centi */
482	char obuff[128];
483
484	v = ve->var;
485	if (KI_PROC(k)->p_stat == SZOMB || !k->ki_u.u_valid) {
486		secs = 0;
487		psecs = 0;
488	} else {
489		/*
490		 * This counts time spent handling interrupts.  We could
491		 * fix this, but it is not 100% trivial (and interrupt
492		 * time fractions only work on the sparc anyway).	XXX
493		 */
494		secs = KI_PROC(k)->p_rtime.tv_sec;
495		psecs = KI_PROC(k)->p_rtime.tv_usec;
496		if (sumrusage) {
497			secs += k->ki_u.u_cru.ru_utime.tv_sec +
498				k->ki_u.u_cru.ru_stime.tv_sec;
499			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
500				k->ki_u.u_cru.ru_stime.tv_usec;
501		}
502		/*
503		 * round and scale to 100's
504		 */
505		psecs = (psecs + 5000) / 10000;
506		secs += psecs / 100;
507		psecs = psecs % 100;
508	}
509	(void)snprintf(obuff, sizeof(obuff),
510	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
511	(void)printf("%*s", v->width, obuff);
512}
513
514double
515getpcpu(k)
516	KINFO *k;
517{
518	struct proc *p;
519	static int failure;
520
521	if (!nlistread)
522		failure = donlist();
523	if (failure)
524		return (0.0);
525
526	p = KI_PROC(k);
527#define	fxtofl(fixpt)	((double)(fixpt) / fscale)
528
529	/* XXX - I don't like this */
530	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0)
531		return (0.0);
532	if (rawcpu)
533		return (100.0 * fxtofl(p->p_pctcpu));
534	return (100.0 * fxtofl(p->p_pctcpu) /
535		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
536}
537
538void
539pcpu(k, ve)
540	KINFO *k;
541	VARENT *ve;
542{
543	VAR *v;
544
545	v = ve->var;
546	(void)printf("%*.1f", v->width, getpcpu(k));
547}
548
549double
550getpmem(k)
551	KINFO *k;
552{
553	static int failure;
554	struct proc *p;
555	struct eproc *e;
556	double fracmem;
557	int szptudot;
558
559	if (!nlistread)
560		failure = donlist();
561	if (failure)
562		return (0.0);
563
564	p = KI_PROC(k);
565	e = KI_EPROC(k);
566	if ((p->p_flag & P_INMEM) == 0)
567		return (0.0);
568#ifndef NEWVM
569	szptudot = UPAGES + 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 = UPAGES;
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
582void
583pmem(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
593void
594pagein(k, ve)
595	KINFO *k;
596	VARENT *ve;
597{
598	VAR *v;
599
600	v = ve->var;
601	(void)printf("%*ld", v->width,
602	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
603}
604
605void
606maxrss(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/NBPG))
615		(void)printf("%*d", v->width, pgtok(KI_PROC(k)->p_maxrss));
616	else
617#endif
618		(void)printf("%*s", v->width, "-");
619}
620
621void
622tsize(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("%*ld", v->width, pgtok(KI_EPROC(k)->e_vm.vm_tsize));
633#endif
634}
635
636#ifndef NEWVM
637void
638trss(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 */
653static void
654printval(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
695void
696pvar(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
706void
707evar(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
717void
718uvar(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
731void
732rvar(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