1/*
2 * sh.time.c: Shell time keeping and printing.
3 */
4/*-
5 * Copyright (c) 1980, 1991 The	Regents	of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and	binary forms, with or without
9 * modification, are permitted provided	that the following conditions
10 * are met:
11 * 1. Redistributions of source	code must retain the above copyright
12 *    notice, this list	of conditions and the following	disclaimer.
13 * 2. Redistributions in binary	form must reproduce the	above copyright
14 *    notice, this list	of conditions and the following	disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or	promote	products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS	SOFTWARE IS PROVIDED BY	THE REGENTS AND	CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT	SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR	CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES;	LOSS OF	USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH	DAMAGE.
31 */
32#include "sh.h"
33#ifdef SUNOS4
34# include <machine/param.h>
35#endif /* SUNOS4 */
36
37/*
38 * C Shell - routines handling process timing and niceing
39 */
40#ifdef BSDTIMES
41# ifndef RUSAGE_SELF
42#  define	RUSAGE_SELF	0
43#  define	RUSAGE_CHILDREN	-1
44# endif	/* RUSAGE_SELF */
45#else /* BSDTIMES */
46struct tms times0;
47#endif /* BSDTIMES */
48
49#if !defined(BSDTIMES) && !defined(_SEQUENT_)
50# ifdef	POSIX
51static	void	pdtimet	(clock_t, clock_t);
52# else /* ! POSIX */
53static	void	pdtimet	(time_t, time_t);
54# endif	/* ! POSIX */
55#else /* BSDTIMES || _SEQUENT_ */
56static	void	tvadd	(timeval_t *, timeval_t *);
57static	void	pdeltat	(timeval_t *, timeval_t *);
58#endif /* BSDTIMES || _SEQUENT_	*/
59
60void
61settimes(void)
62{
63#ifdef BSDTIMES
64    struct sysrusage ruch;
65#ifdef convex
66    memset(&ru0, 0, sizeof(ru0));
67    memset(&ruch, 0, sizeof(ruch));
68#endif /* convex */
69
70    (void) gettimeofday(&time0,	NULL);
71    (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru0);
72    (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
73    ruadd(&ru0,	&ruch);
74#else
75# ifdef	_SEQUENT_
76    struct process_stats ruch;
77
78    (void) get_process_stats(&time0, PS_SELF, &ru0, &ruch);
79    ruadd(&ru0,	&ruch);
80# else	/* _SEQUENT_ */
81    seconds0 = time(NULL);
82    time0 = times(&times0);
83    times0.tms_stime +=	times0.tms_cstime;
84    times0.tms_utime +=	times0.tms_cutime;
85    times0.tms_cstime =	0;
86    times0.tms_cutime =	0;
87# endif	/* _SEQUENT_ */
88#endif /* BSDTIMES */
89}
90
91/*
92 * dotime is only called if it is truly	a builtin function and not a
93 * prefix to another command
94 */
95/*ARGSUSED*/
96void
97dotime(Char **v, struct command *c)
98{
99#ifdef BSDTIMES
100    timeval_t timedol;
101    struct sysrusage ru1, ruch;
102#ifdef convex
103    memset(&ru1, 0, sizeof(ru1));
104    memset(&ruch, 0, sizeof(ruch));
105#endif /* convex */
106
107    (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru1);
108    (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
109    ruadd(&ru1,	&ruch);
110    (void) gettimeofday(&timedol, NULL);
111    prusage(&ru0, &ru1,	&timedol, &time0);
112#else
113# ifdef	_SEQUENT_
114    timeval_t timedol;
115    struct process_stats ru1, ruch;
116
117    (void) get_process_stats(&timedol, PS_SELF,	&ru1, &ruch);
118    ruadd(&ru1,	&ruch);
119    prusage(&ru0, &ru1,	&timedol, &time0);
120# else /* _SEQUENT_ */
121#  ifndef POSIX
122    time_t  timedol;
123#  else	/* POSIX */
124    clock_t timedol;
125#  endif /* POSIX */
126
127    struct tms times_dol;
128
129    timedol = times(&times_dol);
130    times_dol.tms_stime	+= times_dol.tms_cstime;
131    times_dol.tms_utime	+= times_dol.tms_cutime;
132    times_dol.tms_cstime = 0;
133    times_dol.tms_cutime = 0;
134    prusage(&times0, &times_dol, timedol, time0);
135# endif	/* _SEQUENT_ */
136#endif /* BSDTIMES */
137    USE(c);
138    USE(v);
139}
140
141/*
142 * donice is only called when it on the	line by	itself or with a +- value
143 */
144/*ARGSUSED*/
145void
146donice(Char **v, struct command *c)
147{
148    Char *cp;
149    int	    nval = 0;
150
151    USE(c);
152    v++, cp = *v++;
153    if (cp == 0)
154	nval = 4;
155    else if (*v	== 0 &&	any("+-", cp[0]))
156	nval = getn(cp);
157#if defined(HAVE_SETPRIORITY) && defined(PRIO_PROCESS)
158    if (setpriority(PRIO_PROCESS, 0, nval) == -1 && errno)
159	stderror(ERR_SYSTEM, "setpriority", strerror(errno));
160#else /* !HAVE_SETPRIORITY || !PRIO_PROCESS */
161    (void) nice(nval);
162#endif /* HAVE_SETPRIORITY && PRIO_PROCESS */
163}
164
165#ifdef BSDTIMES
166void
167ruadd(struct sysrusage *ru, struct sysrusage *ru2)
168{
169    tvadd(&ru->ru_utime, &ru2->ru_utime);
170    tvadd(&ru->ru_stime, &ru2->ru_stime);
171#ifndef _OSD_POSIX
172    if (ru2->ru_maxrss > ru->ru_maxrss)
173	ru->ru_maxrss =	ru2->ru_maxrss;
174
175    ru->ru_ixrss += ru2->ru_ixrss;
176    ru->ru_idrss += ru2->ru_idrss;
177    ru->ru_isrss += ru2->ru_isrss;
178    ru->ru_minflt += ru2->ru_minflt;
179    ru->ru_majflt += ru2->ru_majflt;
180    ru->ru_nswap += ru2->ru_nswap;
181    ru->ru_inblock += ru2->ru_inblock;
182    ru->ru_oublock += ru2->ru_oublock;
183    ru->ru_msgsnd += ru2->ru_msgsnd;
184    ru->ru_msgrcv += ru2->ru_msgrcv;
185    ru->ru_nsignals += ru2->ru_nsignals;
186    ru->ru_nvcsw += ru2->ru_nvcsw;
187    ru->ru_nivcsw += ru2->ru_nivcsw;
188#endif /*bs2000*/
189
190# ifdef	convex
191    tvadd(&ru->ru_exutime, &ru2->ru_exutime);
192    ru->ru_utotal += ru2->ru_utotal;
193    ru->ru_usamples += ru2->ru_usamples;
194    ru->ru_stotal += ru2->ru_stotal;
195    ru->ru_ssamples += ru2->ru_ssamples;
196# endif	/* convex */
197}
198
199#else /* BSDTIMES */
200# ifdef	_SEQUENT_
201void
202ruadd(struct process_stats *ru, struct process_stats *ru2)
203{
204    tvadd(&ru->ps_utime, &ru2->ps_utime);
205    tvadd(&ru->ps_stime, &ru2->ps_stime);
206    if (ru2->ps_maxrss > ru->ps_maxrss)
207	ru->ps_maxrss =	ru2->ps_maxrss;
208
209    ru->ps_pagein += ru2->ps_pagein;
210    ru->ps_reclaim += ru2->ps_reclaim;
211    ru->ps_zerofill += ru2->ps_zerofill;
212    ru->ps_pffincr += ru2->ps_pffincr;
213    ru->ps_pffdecr += ru2->ps_pffdecr;
214    ru->ps_swap	+= ru2->ps_swap;
215    ru->ps_syscall += ru2->ps_syscall;
216    ru->ps_volcsw += ru2->ps_volcsw;
217    ru->ps_involcsw += ru2->ps_involcsw;
218    ru->ps_signal += ru2->ps_signal;
219    ru->ps_lread += ru2->ps_lread;
220    ru->ps_lwrite += ru2->ps_lwrite;
221    ru->ps_bread += ru2->ps_bread;
222    ru->ps_bwrite += ru2->ps_bwrite;
223    ru->ps_phread += ru2->ps_phread;
224    ru->ps_phwrite += ru2->ps_phwrite;
225}
226
227# endif	/* _SEQUENT_ */
228#endif /* BSDTIMES */
229
230#ifdef BSDTIMES
231
232/*
233 * PWP:	the LOG1024 and	pagetok	stuff taken from the top command,
234 * written by William LeFebvre
235 */
236/* Log base 2 of 1024 is 10 (2^10 == 1024) */
237#define	LOG1024		10
238
239/* Convert clicks (kernel pages) to kbytes ... */
240/* If there is no PGSHIFT defined, assume it is	11 */
241/* Is this needed for compatability with some old flavor of 4.2	or 4.1?	*/
242#ifdef SUNOS4
243# ifndef PGSHIFT
244#  define pagetok(size)	  ((size) << 1)
245# else
246#  if PGSHIFT>10
247#   define pagetok(size)   ((size) << (PGSHIFT - LOG1024))
248#  else
249#   define pagetok(size)   ((size) >> (LOG1024 - PGSHIFT))
250#  endif
251# endif
252#endif
253
254/*
255 * if any other	machines return	wierd values in	the ru_i* stuff, put
256 * the adjusting macro here:
257 */
258#ifdef SUNOS4
259# define IADJUST(i)	(pagetok(i)/2)
260#else /* SUNOS4	*/
261# ifdef	convex
262   /*
263    * convex has megabytes * CLK_TCK
264    * multiply by 100 since we use time	in 100ths of a second in prusage
265    */
266#  define IADJUST(i) (((i) << 10) / CLK_TCK * 100)
267# else /* convex */
268#  define IADJUST(i)	(i)
269# endif	/* convex */
270#endif /* SUNOS4 */
271
272void
273prusage(struct sysrusage *r0, struct sysrusage *r1, timeval_t *e, timeval_t *b)
274
275#else /* BSDTIMES */
276# ifdef	_SEQUENT_
277void
278prusage(struct process_stats *r0, struct process_stats *r1, timeval_t e,
279	timeval_t b)
280
281# else /* _SEQUENT_ */
282#  ifndef POSIX
283void
284prusage(struct tms *bs, struct tms *es, time_t e, time_t b)
285#  else	/* POSIX */
286void
287prusage(struct tms *bs, struct tms *es, clock_t e, clock_t b)
288#  endif /* POSIX */
289# endif	/* _SEQUENT_ */
290#endif /* BSDTIMES */
291{
292    int ohaderr = haderr;
293#ifdef BSDTIMES
294    time_t t =
295    (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec)	* 100 +
296    (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
297    (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec)	* 100 +
298    (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
299
300#else
301# ifdef	_SEQUENT_
302    time_t t =
303    (r1->ps_utime.tv_sec - r0->ps_utime.tv_sec)	* 100 +
304    (r1->ps_utime.tv_usec - r0->ps_utime.tv_usec) / 10000 +
305    (r1->ps_stime.tv_sec - r0->ps_stime.tv_sec)	* 100 +
306    (r1->ps_stime.tv_usec - r0->ps_stime.tv_usec) / 10000;
307
308# else /* _SEQUENT_ */
309#  ifndef POSIX
310    time_t t =	(es->tms_utime - bs->tms_utime +
311			 es->tms_stime - bs->tms_stime)	* 100 /	HZ;
312
313#  else	/* POSIX */
314    clock_t t = (es->tms_utime	- bs->tms_utime	+
315			  es->tms_stime	- bs->tms_stime) * 100 / clk_tck;
316
317#  endif /* POSIX */
318# endif	/* _SEQUENT_ */
319#endif /* BSDTIMES */
320
321    const char *cp;
322    long i;
323    struct varent *vp = adrof(STRtime);
324
325#ifdef BSDTIMES
326# ifdef	convex
327    static struct system_information sysinfo;
328    long long memtmp;	/* let memory calculations exceede 2Gb */
329# endif	/* convex */
330    int	    ms = (int)
331    ((e->tv_sec	- b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
332
333    cp = "%Uu %Ss %E %P	%X+%Dk %I+%Oio %Fpf+%Ww";
334    haderr = 0;
335#else /* !BSDTIMES */
336# ifdef	_SEQUENT_
337    int	    ms = (int)
338    ((e->tv_sec	- b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
339
340    cp = "%Uu %Ss %E %P	%I+%Oio	%Fpf+%Ww";
341    haderr = 0;
342# else /* !_SEQUENT_ */
343#  ifndef POSIX
344    time_t ms = ((time_t)((e - b) / HZ) * 100) +
345		 (time_t)(((e - b) % HZ) * 100) / HZ;
346#  else	/* POSIX */
347    clock_t ms = ((clock_t)((e - b) / clk_tck) * 100) +
348		  (clock_t)(((e - b) % clk_tck) * 100) / clk_tck;
349#  endif /* POSIX */
350
351    cp = "%Uu %Ss %E %P";
352    haderr = 0;
353
354    /*
355     * the tms stuff is	not very precise, so we	fudge it.
356     * granularity fix:	can't be more than 100%
357     * this breaks in multi-processor systems...
358     * maybe I should take it out and let people see more then 100%
359     * utilizations.
360     */
361#  if 0
362    if (ms < t && ms !=	0)
363	ms = t;
364#  endif
365# endif	/*! _SEQUENT_ */
366#endif /* !BSDTIMES */
367#ifdef TDEBUG
368    xprintf("es->tms_utime %lu bs->tms_utime %lu\n",
369	    (unsigned long)es->tms_utime, (unsigned long)bs->tms_utime);
370    xprintf("es->tms_stime %lu bs->tms_stime %lu\n",
371	    (unsigned long)es->tms_stime, (unsigned long)bs->tms_stime);
372    xprintf("ms	%llu e %p b %p\n", (unsigned long long)ms, e, b);
373    xprintf("t %llu\n", (unsigned long long)t);
374#endif /* TDEBUG */
375
376    if (vp && vp->vec && vp->vec[0] && vp->vec[1])
377	cp = short2str(vp->vec[1]);
378    for	(; *cp;	cp++)
379	if (*cp	!= '%')
380	    xputchar(*cp);
381	else if	(cp[1])
382	    switch (*++cp) {
383
384	    case 'U':		/* user	CPU time used */
385#ifdef BSDTIMES
386		pdeltat(&r1->ru_utime, &r0->ru_utime);
387#else
388# ifdef	_SEQUENT_
389		pdeltat(&r1->ps_utime, &r0->ps_utime);
390# else /* _SEQUENT_ */
391#  ifndef POSIX
392		pdtimet(es->tms_utime, bs->tms_utime);
393#  else	/* POSIX */
394		pdtimet(es->tms_utime, bs->tms_utime);
395#  endif /* POSIX */
396# endif	/* _SEQUENT_ */
397#endif /* BSDTIMES */
398		break;
399
400	    case 'S':		/* system CPU time used	*/
401#ifdef BSDTIMES
402		pdeltat(&r1->ru_stime, &r0->ru_stime);
403#else
404# ifdef	_SEQUENT_
405		pdeltat(&r1->ps_stime, &r0->ps_stime);
406# else /* _SEQUENT_ */
407#  ifndef POSIX
408		pdtimet(es->tms_stime, bs->tms_stime);
409#  else	/* POSIX */
410		pdtimet(es->tms_stime, bs->tms_stime);
411#  endif /* POSIX */
412# endif	/* _SEQUENT_ */
413#endif /* BSDTIMES */
414		break;
415
416	    case 'E':		/* elapsed (wall-clock)	time */
417#ifdef BSDTIMES
418		pcsecs((long) ms);
419#else /* BSDTIMES */
420		pcsecs(ms);
421#endif /* BSDTIMES */
422		break;
423
424	    case 'P':		/* percent time	spent running */
425		/* check if the	process	did not	run */
426#ifdef convex
427		/*
428		 * scale the cpu %- ages by the	number of processors
429		 * available on	this machine
430		 */
431		if ((sysinfo.cpu_count == 0) &&
432		    (getsysinfo(SYSINFO_SIZE, &sysinfo)	< 0))
433		    sysinfo.cpu_count =	1;
434		    i =	(ms == 0) ? 0 :	(t * 1000.0 / (ms * sysinfo.cpu_count));
435#else /* convex	*/
436		i = (ms	== 0) ?	0 : (long)(t * 1000.0 / ms);
437#endif /* convex */
438		xprintf("%ld.%01ld%%", i / 10, i % 10);	/* nn.n% */
439		break;
440
441#ifdef BSDTIMES
442	    case 'W':		/* number of swaps */
443#ifdef _OSD_POSIX
444		i = 0;
445#else
446		i = r1->ru_nswap - r0->ru_nswap;
447#endif
448		xprintf("%ld", i);
449		break;
450
451#ifdef convex
452	    case 'X':		/* (average) shared text size */
453		memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_ixrss -
454				 (long long)r0->ru_ixrss) /
455			 (long long)t);
456		xprintf("%lu", (unsigned long)memtmp);
457		break;
458
459	    case 'D':		/* (average) unshared data size	*/
460		memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_idrss +
461				 (long long)r1->ru_isrss -
462				 ((long	long)r0->ru_idrss +
463				  (long	long)r0->ru_isrss)) /
464			 (long long)t);
465		xprintf("%lu", (unsigned long)memtmp);
466		break;
467
468	    case 'K':		/* (average) total data	memory used  */
469		memtmp = (t == 0 ? 0LL : IADJUST(((long	long)r1->ru_ixrss +
470				  (long	long)r1->ru_isrss +
471				  (long	long)r1->ru_idrss) -
472				  ((long long)r0->ru_ixrss +
473				   (long long)r0->ru_idrss +
474				   (long long)r0->ru_isrss)) /
475			 (long long)t);
476		xprintf("%lu", (unsigned long)memtmp);
477		break;
478#else /* !convex */
479	    case 'X':		/* (average) shared text size */
480#ifdef _OSD_POSIX
481		xprintf("0",0);
482#else
483		xprintf("%lld", (long long)(t == 0 ?	0L :
484			IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t));
485#endif
486		break;
487
488	    case 'D':		/* (average) unshared data size	*/
489#ifdef _OSD_POSIX
490		xprintf("0",0);
491#else
492		xprintf("%lld", (long long)(t == 0 ?	0L :
493			IADJUST(r1->ru_idrss + r1->ru_isrss -
494				(r0->ru_idrss +	r0->ru_isrss)) / t));
495#endif
496		break;
497
498	    case 'K':		/* (average) total data	memory used  */
499#ifdef _OSD_POSIX
500		xprintf("0",0);
501#else
502		xprintf("%lld", (long long)(t == 0 ? 0L :
503			IADJUST((r1->ru_ixrss +	r1->ru_isrss + r1->ru_idrss) -
504			   (r0->ru_ixrss + r0->ru_idrss	+ r0->ru_isrss)) / t));
505#endif
506		break;
507#endif /* convex */
508	    case 'M':		/* max.	Resident Set Size */
509#ifdef SUNOS4
510		xprintf("%ld", (long)pagetok(r1->ru_maxrss));
511#else
512# ifdef	convex
513		xprintf("%ld", (long)(r1->ru_maxrss * 4L));
514# else /* !convex */
515#  ifdef _OSD_POSIX
516		xprintf("0",0);
517#  else
518		xprintf("%ld", (long)r1->ru_maxrss);
519#  endif
520# endif	/* convex */
521#endif /* SUNOS4 */
522		break;
523
524	    case 'F':		/* page	faults */
525#ifdef _OSD_POSIX
526		xprintf("0",0);
527#else
528		xprintf("%ld", (long)(r1->ru_majflt - r0->ru_majflt));
529#endif
530		break;
531
532	    case 'R':		/* page	reclaims */
533#ifdef _OSD_POSIX
534		xprintf("0",0);
535#else
536		xprintf("%ld", (long)(r1->ru_minflt - r0->ru_minflt));
537#endif
538		break;
539
540	    case 'I':		/* FS blocks in	*/
541#ifdef _OSD_POSIX
542		xprintf("0",0);
543#else
544		xprintf("%ld", (long)(r1->ru_inblock - r0->ru_inblock));
545#endif
546		break;
547
548	    case 'O':		/* FS blocks out */
549#ifdef _OSD_POSIX
550		xprintf("0",0);
551#else
552		xprintf("%ld", (long)(r1->ru_oublock - r0->ru_oublock));
553#endif
554		break;
555
556# ifdef	convex
557	    case 'C':			/*  CPU	parallelization	factor */
558		if (r1->ru_usamples	!= 0LL)	{
559		    long long parr = ((r1->ru_utotal * 100LL) /
560				      r1->ru_usamples);
561		    xprintf("%d.%02d", (int)(parr/100), (int)(parr%100));
562		} else
563		    xprintf("?");
564		break;
565# endif	/* convex */
566	    case 'r':		/* PWP:	socket messages	recieved */
567#ifdef _OSD_POSIX
568		xprintf("0",0);
569#else
570		xprintf("%ld", (long)(r1->ru_msgrcv - r0->ru_msgrcv));
571#endif
572		break;
573
574	    case 's':		/* PWP:	socket messages	sent */
575#ifdef _OSD_POSIX
576		xprintf("0",0);
577#else
578		xprintf("%ld", (long)(r1->ru_msgsnd - r0->ru_msgsnd));
579#endif
580		break;
581
582	    case 'k':		/* PWP:	signals	received */
583#ifdef _OSD_POSIX
584		xprintf("0",0);
585#else
586		xprintf("%ld", (long)(r1->ru_nsignals - r0->ru_nsignals));
587#endif
588		break;
589
590	    case 'w':		/* PWP:	voluntary context switches (waits) */
591#ifdef _OSD_POSIX
592		xprintf("0",0);
593#else
594		xprintf("%ld", (long)(r1->ru_nvcsw - r0->ru_nvcsw));
595#endif
596		break;
597
598	    case 'c':		/* PWP:	involuntary context switches */
599#ifdef _OSD_POSIX
600		xprintf("0",0);
601#else
602		xprintf("%ld", (long)(r1->ru_nivcsw - r0->ru_nivcsw));
603#endif
604		break;
605#else /* BSDTIMES */
606# ifdef	_SEQUENT_
607	    case 'W':		/* number of swaps */
608		i = r1->ps_swap	- r0->ps_swap;
609		xprintf("%ld", (long)i);
610		break;
611
612	    case 'M':
613		xprintf("%ld", (long)r1->ps_maxrss);
614		break;
615
616	    case 'F':
617		xprintf("%ld", (long)(r1->ps_pagein - r0->ps_pagein));
618		break;
619
620	    case 'R':
621		xprintf("%ld", (long)(r1->ps_reclaim -	r0->ps_reclaim));
622		break;
623
624	    case 'I':
625		xprintf("%ld", (long)(r1->ps_bread - r0->ps_bread));
626		break;
627
628	    case 'O':
629		xprintf("%ld", (long)(r1->ps_bwrite - r0->ps_bwrite));
630		break;
631
632	    case 'k':
633		xprintf("%ld", (long)(r1->ps_signal - r0->ps_signal));
634		break;
635
636	    case 'w':
637		xprintf("%ld", (long)(r1->ps_volcsw - r0->ps_volcsw));
638		break;
639
640	    case 'c':
641		xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw);
642		break;
643
644	    case 'Z':
645		xprintf("%ld", (long)(r1->ps_zerofill - r0->ps_zerofill));
646		break;
647
648	    case 'i':
649		xprintf("%ld", (long)(r1->ps_pffincr - r0->ps_pffincr));
650		break;
651
652	    case 'd':
653		xprintf("%ld", (long)(r1->ps_pffdecr - r0->ps_pffdecr));
654		break;
655
656	    case 'Y':
657		xprintf("%ld", (long)(r1->ps_syscall - r0->ps_syscall));
658		break;
659
660	    case 'l':
661		xprintf("%ld", (long)(r1->ps_lread - r0->ps_lread));
662		break;
663
664	    case 'm':
665		xprintf("%ld", (long)(r1->ps_lwrite - r0->ps_lwrite));
666		break;
667
668	    case 'p':
669		xprintf("%ld", (long)(r1->ps_phread - r0->ps_phread));
670		break;
671
672	    case 'q':
673		xprintf("%ld", (long)(r1->ps_phwrite - r0->ps_phwrite));
674		break;
675# endif	/* _SEQUENT_ */
676#endif /* BSDTIMES */
677	    default:
678		break;
679	    }
680    xputchar('\n');
681    haderr = ohaderr;
682}
683
684#if defined(BSDTIMES) || defined(_SEQUENT_)
685static void
686pdeltat(timeval_t *t1, timeval_t *t0)
687{
688    timeval_t td;
689
690    tvsub(&td, t1, t0);
691    xprintf("%lld.%03ld", (long long)td.tv_sec, (long)td.tv_usec / 1000L);
692}
693
694static void
695tvadd(timeval_t *tsum, timeval_t *t0)
696{
697
698    tsum->tv_sec += t0->tv_sec;
699    tsum->tv_usec += t0->tv_usec;
700    if (tsum->tv_usec >= 1000000)
701	tsum->tv_sec++,	tsum->tv_usec -= 1000000;
702}
703
704void
705tvsub(timeval_t *tdiff, timeval_t *t1, timeval_t *t0)
706{
707
708    tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
709    tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
710    if (tdiff->tv_usec < 0)
711	tdiff->tv_sec--, tdiff->tv_usec	+= 1000000;
712}
713
714#else /* !BSDTIMES && !_SEQUENT_ */
715static void
716#ifndef	POSIX
717pdtimet(time_t eval, time_t bval)
718
719#else /* POSIX */
720pdtimet(clock_t eval, clock_t bval)
721
722#endif /* POSIX	*/
723{
724#ifndef	POSIX
725    time_t  val;
726
727#else /* POSIX */
728    clock_t val;
729
730#endif /* POSIX	*/
731
732#ifndef	POSIX
733    val	= (eval	- bval)	* 100 /	HZ;
734#else /* POSIX */
735    val	= (eval	- bval)	* 100 /	clk_tck;
736#endif /* POSIX	*/
737
738    xprintf("%lld.%02ld", (long long)(val / 100),
739	(long long)(val - (val / 100 * 100)));
740}
741#endif /* BSDTIMES || _SEQUENT_	*/
742