xref: /freebsd/contrib/tcsh/sh.time.c (revision d8a0fe102c0cfdfcd5b818f850eff09d8536c9bc)
1 /* $Header: /p/tcsh/cvsroot/tcsh/sh.time.c,v 3.37 2016/07/09 00:45:29 christos Exp $ */
2 /*
3  * sh.time.c: Shell time keeping and printing.
4  */
5 /*-
6  * Copyright (c) 1980, 1991 The	Regents	of the University of California.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and	binary forms, with or without
10  * modification, are permitted provided	that the following conditions
11  * are met:
12  * 1. Redistributions of source	code must retain the above copyright
13  *    notice, this list	of conditions and the following	disclaimer.
14  * 2. Redistributions in binary	form must reproduce the	above copyright
15  *    notice, this list	of conditions and the following	disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. 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 #include "sh.h"
34 
35 RCSID("$tcsh: sh.time.c,v 3.37 2016/07/09 00:45:29 christos Exp $")
36 
37 #ifdef SUNOS4
38 # include <machine/param.h>
39 #endif /* SUNOS4 */
40 
41 /*
42  * C Shell - routines handling process timing and niceing
43  */
44 #ifdef BSDTIMES
45 # ifndef RUSAGE_SELF
46 #  define	RUSAGE_SELF	0
47 #  define	RUSAGE_CHILDREN	-1
48 # endif	/* RUSAGE_SELF */
49 #else /* BSDTIMES */
50 struct tms times0;
51 #endif /* BSDTIMES */
52 
53 #if !defined(BSDTIMES) && !defined(_SEQUENT_)
54 # ifdef	POSIX
55 static	void	pdtimet	(clock_t, clock_t);
56 # else /* ! POSIX */
57 static	void	pdtimet	(time_t, time_t);
58 # endif	/* ! POSIX */
59 #else /* BSDTIMES || _SEQUENT_ */
60 static	void	tvadd	(timeval_t *, timeval_t *);
61 static	void	pdeltat	(timeval_t *, timeval_t *);
62 #endif /* BSDTIMES || _SEQUENT_	*/
63 
64 void
65 settimes(void)
66 {
67 #ifdef BSDTIMES
68     struct sysrusage ruch;
69 #ifdef convex
70     memset(&ru0, 0, sizeof(ru0));
71     memset(&ruch, 0, sizeof(ruch));
72 #endif /* convex */
73 
74     (void) gettimeofday(&time0,	NULL);
75     (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru0);
76     (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
77     ruadd(&ru0,	&ruch);
78 #else
79 # ifdef	_SEQUENT_
80     struct process_stats ruch;
81 
82     (void) get_process_stats(&time0, PS_SELF, &ru0, &ruch);
83     ruadd(&ru0,	&ruch);
84 # else	/* _SEQUENT_ */
85     seconds0 = time(NULL);
86     time0 = times(&times0);
87     times0.tms_stime +=	times0.tms_cstime;
88     times0.tms_utime +=	times0.tms_cutime;
89     times0.tms_cstime =	0;
90     times0.tms_cutime =	0;
91 # endif	/* _SEQUENT_ */
92 #endif /* BSDTIMES */
93 }
94 
95 /*
96  * dotime is only called if it is truly	a builtin function and not a
97  * prefix to another command
98  */
99 /*ARGSUSED*/
100 void
101 dotime(Char **v, struct command *c)
102 {
103 #ifdef BSDTIMES
104     timeval_t timedol;
105     struct sysrusage ru1, ruch;
106 #ifdef convex
107     memset(&ru1, 0, sizeof(ru1));
108     memset(&ruch, 0, sizeof(ruch));
109 #endif /* convex */
110 
111     (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru1);
112     (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
113     ruadd(&ru1,	&ruch);
114     (void) gettimeofday(&timedol, NULL);
115     prusage(&ru0, &ru1,	&timedol, &time0);
116 #else
117 # ifdef	_SEQUENT_
118     timeval_t timedol;
119     struct process_stats ru1, ruch;
120 
121     (void) get_process_stats(&timedol, PS_SELF,	&ru1, &ruch);
122     ruadd(&ru1,	&ruch);
123     prusage(&ru0, &ru1,	&timedol, &time0);
124 # else /* _SEQUENT_ */
125 #  ifndef POSIX
126     time_t  timedol;
127 #  else	/* POSIX */
128     clock_t timedol;
129 #  endif /* POSIX */
130 
131     struct tms times_dol;
132 
133     timedol = times(&times_dol);
134     times_dol.tms_stime	+= times_dol.tms_cstime;
135     times_dol.tms_utime	+= times_dol.tms_cutime;
136     times_dol.tms_cstime = 0;
137     times_dol.tms_cutime = 0;
138     prusage(&times0, &times_dol, timedol, time0);
139 # endif	/* _SEQUENT_ */
140 #endif /* BSDTIMES */
141     USE(c);
142     USE(v);
143 }
144 
145 /*
146  * donice is only called when it on the	line by	itself or with a +- value
147  */
148 /*ARGSUSED*/
149 void
150 donice(Char **v, struct command *c)
151 {
152     Char *cp;
153     int	    nval = 0;
154 
155     USE(c);
156     v++, cp = *v++;
157     if (cp == 0)
158 	nval = 4;
159     else if (*v	== 0 &&	any("+-", cp[0]))
160 	nval = getn(cp);
161 #if defined(HAVE_SETPRIORITY) && defined(PRIO_PROCESS)
162     if (setpriority(PRIO_PROCESS, 0, nval) == -1 && errno)
163 	stderror(ERR_SYSTEM, "setpriority", strerror(errno));
164 #else /* !HAVE_SETPRIORITY || !PRIO_PROCESS */
165     (void) nice(nval);
166 #endif /* HAVE_SETPRIORITY && PRIO_PROCESS */
167 }
168 
169 #ifdef BSDTIMES
170 void
171 ruadd(struct sysrusage *ru, struct sysrusage *ru2)
172 {
173     tvadd(&ru->ru_utime, &ru2->ru_utime);
174     tvadd(&ru->ru_stime, &ru2->ru_stime);
175 #ifndef _OSD_POSIX
176     if (ru2->ru_maxrss > ru->ru_maxrss)
177 	ru->ru_maxrss =	ru2->ru_maxrss;
178 
179     ru->ru_ixrss += ru2->ru_ixrss;
180     ru->ru_idrss += ru2->ru_idrss;
181     ru->ru_isrss += ru2->ru_isrss;
182     ru->ru_minflt += ru2->ru_minflt;
183     ru->ru_majflt += ru2->ru_majflt;
184     ru->ru_nswap += ru2->ru_nswap;
185     ru->ru_inblock += ru2->ru_inblock;
186     ru->ru_oublock += ru2->ru_oublock;
187     ru->ru_msgsnd += ru2->ru_msgsnd;
188     ru->ru_msgrcv += ru2->ru_msgrcv;
189     ru->ru_nsignals += ru2->ru_nsignals;
190     ru->ru_nvcsw += ru2->ru_nvcsw;
191     ru->ru_nivcsw += ru2->ru_nivcsw;
192 #endif /*bs2000*/
193 
194 # ifdef	convex
195     tvadd(&ru->ru_exutime, &ru2->ru_exutime);
196     ru->ru_utotal += ru2->ru_utotal;
197     ru->ru_usamples += ru2->ru_usamples;
198     ru->ru_stotal += ru2->ru_stotal;
199     ru->ru_ssamples += ru2->ru_ssamples;
200 # endif	/* convex */
201 }
202 
203 #else /* BSDTIMES */
204 # ifdef	_SEQUENT_
205 void
206 ruadd(struct process_stats *ru, struct process_stats *ru2)
207 {
208     tvadd(&ru->ps_utime, &ru2->ps_utime);
209     tvadd(&ru->ps_stime, &ru2->ps_stime);
210     if (ru2->ps_maxrss > ru->ps_maxrss)
211 	ru->ps_maxrss =	ru2->ps_maxrss;
212 
213     ru->ps_pagein += ru2->ps_pagein;
214     ru->ps_reclaim += ru2->ps_reclaim;
215     ru->ps_zerofill += ru2->ps_zerofill;
216     ru->ps_pffincr += ru2->ps_pffincr;
217     ru->ps_pffdecr += ru2->ps_pffdecr;
218     ru->ps_swap	+= ru2->ps_swap;
219     ru->ps_syscall += ru2->ps_syscall;
220     ru->ps_volcsw += ru2->ps_volcsw;
221     ru->ps_involcsw += ru2->ps_involcsw;
222     ru->ps_signal += ru2->ps_signal;
223     ru->ps_lread += ru2->ps_lread;
224     ru->ps_lwrite += ru2->ps_lwrite;
225     ru->ps_bread += ru2->ps_bread;
226     ru->ps_bwrite += ru2->ps_bwrite;
227     ru->ps_phread += ru2->ps_phread;
228     ru->ps_phwrite += ru2->ps_phwrite;
229 }
230 
231 # endif	/* _SEQUENT_ */
232 #endif /* BSDTIMES */
233 
234 #ifdef BSDTIMES
235 
236 /*
237  * PWP:	the LOG1024 and	pagetok	stuff taken from the top command,
238  * written by William LeFebvre
239  */
240 /* Log base 2 of 1024 is 10 (2^10 == 1024) */
241 #define	LOG1024		10
242 
243 /* Convert clicks (kernel pages) to kbytes ... */
244 /* If there is no PGSHIFT defined, assume it is	11 */
245 /* Is this needed for compatability with some old flavor of 4.2	or 4.1?	*/
246 #ifdef SUNOS4
247 # ifndef PGSHIFT
248 #  define pagetok(size)	  ((size) << 1)
249 # else
250 #  if PGSHIFT>10
251 #   define pagetok(size)   ((size) << (PGSHIFT - LOG1024))
252 #  else
253 #   define pagetok(size)   ((size) >> (LOG1024 - PGSHIFT))
254 #  endif
255 # endif
256 #endif
257 
258 /*
259  * if any other	machines return	wierd values in	the ru_i* stuff, put
260  * the adjusting macro here:
261  */
262 #ifdef SUNOS4
263 # define IADJUST(i)	(pagetok(i)/2)
264 #else /* SUNOS4	*/
265 # ifdef	convex
266    /*
267     * convex has megabytes * CLK_TCK
268     * multiply by 100 since we use time	in 100ths of a second in prusage
269     */
270 #  define IADJUST(i) (((i) << 10) / CLK_TCK * 100)
271 # else /* convex */
272 #  define IADJUST(i)	(i)
273 # endif	/* convex */
274 #endif /* SUNOS4 */
275 
276 void
277 prusage(struct sysrusage *r0, struct sysrusage *r1, timeval_t *e, timeval_t *b)
278 
279 #else /* BSDTIMES */
280 # ifdef	_SEQUENT_
281 void
282 prusage(struct process_stats *r0, struct process_stats *r1, timeval_t e,
283 	timeval_t b)
284 
285 # else /* _SEQUENT_ */
286 #  ifndef POSIX
287 void
288 prusage(struct tms *bs, struct tms *es, time_t e, time_t b)
289 #  else	/* POSIX */
290 void
291 prusage(struct tms *bs, struct tms *es, clock_t e, clock_t b)
292 #  endif /* POSIX */
293 # endif	/* _SEQUENT_ */
294 #endif /* BSDTIMES */
295 {
296     int ohaderr = haderr;
297 #ifdef BSDTIMES
298     time_t t =
299     (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec)	* 100 +
300     (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
301     (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec)	* 100 +
302     (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
303 
304 #else
305 # ifdef	_SEQUENT_
306     time_t t =
307     (r1->ps_utime.tv_sec - r0->ps_utime.tv_sec)	* 100 +
308     (r1->ps_utime.tv_usec - r0->ps_utime.tv_usec) / 10000 +
309     (r1->ps_stime.tv_sec - r0->ps_stime.tv_sec)	* 100 +
310     (r1->ps_stime.tv_usec - r0->ps_stime.tv_usec) / 10000;
311 
312 # else /* _SEQUENT_ */
313 #  ifndef POSIX
314     time_t t =	(es->tms_utime - bs->tms_utime +
315 			 es->tms_stime - bs->tms_stime)	* 100 /	HZ;
316 
317 #  else	/* POSIX */
318     clock_t t = (es->tms_utime	- bs->tms_utime	+
319 			  es->tms_stime	- bs->tms_stime) * 100 / clk_tck;
320 
321 #  endif /* POSIX */
322 # endif	/* _SEQUENT_ */
323 #endif /* BSDTIMES */
324 
325     const char *cp;
326     long i;
327     struct varent *vp = adrof(STRtime);
328 
329 #ifdef BSDTIMES
330 # ifdef	convex
331     static struct system_information sysinfo;
332     long long memtmp;	/* let memory calculations exceede 2Gb */
333 # endif	/* convex */
334     int	    ms = (int)
335     ((e->tv_sec	- b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
336 
337     cp = "%Uu %Ss %E %P	%X+%Dk %I+%Oio %Fpf+%Ww";
338     haderr = 0;
339 #else /* !BSDTIMES */
340 # ifdef	_SEQUENT_
341     int	    ms = (int)
342     ((e->tv_sec	- b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
343 
344     cp = "%Uu %Ss %E %P	%I+%Oio	%Fpf+%Ww";
345     haderr = 0;
346 # else /* !_SEQUENT_ */
347 #  ifndef POSIX
348     time_t ms = ((time_t)((e - b) / HZ) * 100) +
349 		 (time_t)(((e - b) % HZ) * 100) / HZ;
350 #  else	/* POSIX */
351     clock_t ms = ((clock_t)((e - b) / clk_tck) * 100) +
352 		  (clock_t)(((e - b) % clk_tck) * 100) / clk_tck;
353 #  endif /* POSIX */
354 
355     cp = "%Uu %Ss %E %P";
356     haderr = 0;
357 
358     /*
359      * the tms stuff is	not very precise, so we	fudge it.
360      * granularity fix:	can't be more than 100%
361      * this breaks in multi-processor systems...
362      * maybe I should take it out and let people see more then 100%
363      * utilizations.
364      */
365 #  if 0
366     if (ms < t && ms !=	0)
367 	ms = t;
368 #  endif
369 # endif	/*! _SEQUENT_ */
370 #endif /* !BSDTIMES */
371 #ifdef TDEBUG
372     xprintf("es->tms_utime %lu bs->tms_utime %lu\n",
373 	    (unsigned long)es->tms_utime, (unsigned long)bs->tms_utime);
374     xprintf("es->tms_stime %lu bs->tms_stime %lu\n",
375 	    (unsigned long)es->tms_stime, (unsigned long)bs->tms_stime);
376     xprintf("ms	%llu e %p b %p\n", (unsigned long long)ms, e, b);
377     xprintf("t %llu\n", (unsigned long long)t);
378 #endif /* TDEBUG */
379 
380     if (vp && vp->vec && vp->vec[0] && vp->vec[1])
381 	cp = short2str(vp->vec[1]);
382     for	(; *cp;	cp++)
383 	if (*cp	!= '%')
384 	    xputchar(*cp);
385 	else if	(cp[1])
386 	    switch (*++cp) {
387 
388 	    case 'U':		/* user	CPU time used */
389 #ifdef BSDTIMES
390 		pdeltat(&r1->ru_utime, &r0->ru_utime);
391 #else
392 # ifdef	_SEQUENT_
393 		pdeltat(&r1->ps_utime, &r0->ps_utime);
394 # else /* _SEQUENT_ */
395 #  ifndef POSIX
396 		pdtimet(es->tms_utime, bs->tms_utime);
397 #  else	/* POSIX */
398 		pdtimet(es->tms_utime, bs->tms_utime);
399 #  endif /* POSIX */
400 # endif	/* _SEQUENT_ */
401 #endif /* BSDTIMES */
402 		break;
403 
404 	    case 'S':		/* system CPU time used	*/
405 #ifdef BSDTIMES
406 		pdeltat(&r1->ru_stime, &r0->ru_stime);
407 #else
408 # ifdef	_SEQUENT_
409 		pdeltat(&r1->ps_stime, &r0->ps_stime);
410 # else /* _SEQUENT_ */
411 #  ifndef POSIX
412 		pdtimet(es->tms_stime, bs->tms_stime);
413 #  else	/* POSIX */
414 		pdtimet(es->tms_stime, bs->tms_stime);
415 #  endif /* POSIX */
416 # endif	/* _SEQUENT_ */
417 #endif /* BSDTIMES */
418 		break;
419 
420 	    case 'E':		/* elapsed (wall-clock)	time */
421 #ifdef BSDTIMES
422 		pcsecs((long) ms);
423 #else /* BSDTIMES */
424 		pcsecs(ms);
425 #endif /* BSDTIMES */
426 		break;
427 
428 	    case 'P':		/* percent time	spent running */
429 		/* check if the	process	did not	run */
430 #ifdef convex
431 		/*
432 		 * scale the cpu %- ages by the	number of processors
433 		 * available on	this machine
434 		 */
435 		if ((sysinfo.cpu_count == 0) &&
436 		    (getsysinfo(SYSINFO_SIZE, &sysinfo)	< 0))
437 		    sysinfo.cpu_count =	1;
438 		    i =	(ms == 0) ? 0 :	(t * 1000.0 / (ms * sysinfo.cpu_count));
439 #else /* convex	*/
440 		i = (ms	== 0) ?	0 : (long)(t * 1000.0 / ms);
441 #endif /* convex */
442 		xprintf("%ld.%01ld%%", i / 10, i % 10);	/* nn.n% */
443 		break;
444 
445 #ifdef BSDTIMES
446 	    case 'W':		/* number of swaps */
447 #ifdef _OSD_POSIX
448 		i = 0;
449 #else
450 		i = r1->ru_nswap - r0->ru_nswap;
451 #endif
452 		xprintf("%ld", i);
453 		break;
454 
455 #ifdef convex
456 	    case 'X':		/* (average) shared text size */
457 		memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_ixrss -
458 				 (long long)r0->ru_ixrss) /
459 			 (long long)t);
460 		xprintf("%lu", (unsigned long)memtmp);
461 		break;
462 
463 	    case 'D':		/* (average) unshared data size	*/
464 		memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_idrss +
465 				 (long long)r1->ru_isrss -
466 				 ((long	long)r0->ru_idrss +
467 				  (long	long)r0->ru_isrss)) /
468 			 (long long)t);
469 		xprintf("%lu", (unsigned long)memtmp);
470 		break;
471 
472 	    case 'K':		/* (average) total data	memory used  */
473 		memtmp = (t == 0 ? 0LL : IADJUST(((long	long)r1->ru_ixrss +
474 				  (long	long)r1->ru_isrss +
475 				  (long	long)r1->ru_idrss) -
476 				  ((long long)r0->ru_ixrss +
477 				   (long long)r0->ru_idrss +
478 				   (long long)r0->ru_isrss)) /
479 			 (long long)t);
480 		xprintf("%lu", (unsigned long)memtmp);
481 		break;
482 #else /* !convex */
483 	    case 'X':		/* (average) shared text size */
484 #ifdef _OSD_POSIX
485 		xprintf("0",0);
486 #else
487 		xprintf("%lld", (long long)(t == 0 ?	0L :
488 			IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t));
489 #endif
490 		break;
491 
492 	    case 'D':		/* (average) unshared data size	*/
493 #ifdef _OSD_POSIX
494 		xprintf("0",0);
495 #else
496 		xprintf("%lld", (long long)(t == 0 ?	0L :
497 			IADJUST(r1->ru_idrss + r1->ru_isrss -
498 				(r0->ru_idrss +	r0->ru_isrss)) / t));
499 #endif
500 		break;
501 
502 	    case 'K':		/* (average) total data	memory used  */
503 #ifdef _OSD_POSIX
504 		xprintf("0",0);
505 #else
506 		xprintf("%lld", (long long)(t == 0 ? 0L :
507 			IADJUST((r1->ru_ixrss +	r1->ru_isrss + r1->ru_idrss) -
508 			   (r0->ru_ixrss + r0->ru_idrss	+ r0->ru_isrss)) / t));
509 #endif
510 		break;
511 #endif /* convex */
512 	    case 'M':		/* max.	Resident Set Size */
513 #ifdef SUNOS4
514 		xprintf("%ld", (long)pagetok(r1->ru_maxrss));
515 #else
516 # ifdef	convex
517 		xprintf("%ld", (long)(r1->ru_maxrss * 4L));
518 # else /* !convex */
519 #  ifdef _OSD_POSIX
520 		xprintf("0",0);
521 #  else
522 		xprintf("%ld", (long)r1->ru_maxrss);
523 #  endif
524 # endif	/* convex */
525 #endif /* SUNOS4 */
526 		break;
527 
528 	    case 'F':		/* page	faults */
529 #ifdef _OSD_POSIX
530 		xprintf("0",0);
531 #else
532 		xprintf("%ld", (long)(r1->ru_majflt - r0->ru_majflt));
533 #endif
534 		break;
535 
536 	    case 'R':		/* page	reclaims */
537 #ifdef _OSD_POSIX
538 		xprintf("0",0);
539 #else
540 		xprintf("%ld", (long)(r1->ru_minflt - r0->ru_minflt));
541 #endif
542 		break;
543 
544 	    case 'I':		/* FS blocks in	*/
545 #ifdef _OSD_POSIX
546 		xprintf("0",0);
547 #else
548 		xprintf("%ld", (long)(r1->ru_inblock - r0->ru_inblock));
549 #endif
550 		break;
551 
552 	    case 'O':		/* FS blocks out */
553 #ifdef _OSD_POSIX
554 		xprintf("0",0);
555 #else
556 		xprintf("%ld", (long)(r1->ru_oublock - r0->ru_oublock));
557 #endif
558 		break;
559 
560 # ifdef	convex
561 	    case 'C':			/*  CPU	parallelization	factor */
562 		if (r1->ru_usamples	!= 0LL)	{
563 		    long long parr = ((r1->ru_utotal * 100LL) /
564 				      r1->ru_usamples);
565 		    xprintf("%d.%02d", (int)(parr/100), (int)(parr%100));
566 		} else
567 		    xprintf("?");
568 		break;
569 # endif	/* convex */
570 	    case 'r':		/* PWP:	socket messages	recieved */
571 #ifdef _OSD_POSIX
572 		xprintf("0",0);
573 #else
574 		xprintf("%ld", (long)(r1->ru_msgrcv - r0->ru_msgrcv));
575 #endif
576 		break;
577 
578 	    case 's':		/* PWP:	socket messages	sent */
579 #ifdef _OSD_POSIX
580 		xprintf("0",0);
581 #else
582 		xprintf("%ld", (long)(r1->ru_msgsnd - r0->ru_msgsnd));
583 #endif
584 		break;
585 
586 	    case 'k':		/* PWP:	signals	received */
587 #ifdef _OSD_POSIX
588 		xprintf("0",0);
589 #else
590 		xprintf("%ld", (long)(r1->ru_nsignals - r0->ru_nsignals));
591 #endif
592 		break;
593 
594 	    case 'w':		/* PWP:	voluntary context switches (waits) */
595 #ifdef _OSD_POSIX
596 		xprintf("0",0);
597 #else
598 		xprintf("%ld", (long)(r1->ru_nvcsw - r0->ru_nvcsw));
599 #endif
600 		break;
601 
602 	    case 'c':		/* PWP:	involuntary context switches */
603 #ifdef _OSD_POSIX
604 		xprintf("0",0);
605 #else
606 		xprintf("%ld", (long)(r1->ru_nivcsw - r0->ru_nivcsw));
607 #endif
608 		break;
609 #else /* BSDTIMES */
610 # ifdef	_SEQUENT_
611 	    case 'W':		/* number of swaps */
612 		i = r1->ps_swap	- r0->ps_swap;
613 		xprintf("%ld", (long)i);
614 		break;
615 
616 	    case 'M':
617 		xprintf("%ld", (long)r1->ps_maxrss);
618 		break;
619 
620 	    case 'F':
621 		xprintf("%ld", (long)(r1->ps_pagein - r0->ps_pagein));
622 		break;
623 
624 	    case 'R':
625 		xprintf("%ld", (long)(r1->ps_reclaim -	r0->ps_reclaim));
626 		break;
627 
628 	    case 'I':
629 		xprintf("%ld", (long)(r1->ps_bread - r0->ps_bread));
630 		break;
631 
632 	    case 'O':
633 		xprintf("%ld", (long)(r1->ps_bwrite - r0->ps_bwrite));
634 		break;
635 
636 	    case 'k':
637 		xprintf("%ld", (long)(r1->ps_signal - r0->ps_signal));
638 		break;
639 
640 	    case 'w':
641 		xprintf("%ld", (long)(r1->ps_volcsw - r0->ps_volcsw));
642 		break;
643 
644 	    case 'c':
645 		xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw);
646 		break;
647 
648 	    case 'Z':
649 		xprintf("%ld", (long)(r1->ps_zerofill - r0->ps_zerofill));
650 		break;
651 
652 	    case 'i':
653 		xprintf("%ld", (long)(r1->ps_pffincr - r0->ps_pffincr));
654 		break;
655 
656 	    case 'd':
657 		xprintf("%ld", (long)(r1->ps_pffdecr - r0->ps_pffdecr));
658 		break;
659 
660 	    case 'Y':
661 		xprintf("%ld", (long)(r1->ps_syscall - r0->ps_syscall));
662 		break;
663 
664 	    case 'l':
665 		xprintf("%ld", (long)(r1->ps_lread - r0->ps_lread));
666 		break;
667 
668 	    case 'm':
669 		xprintf("%ld", (long)(r1->ps_lwrite - r0->ps_lwrite));
670 		break;
671 
672 	    case 'p':
673 		xprintf("%ld", (long)(r1->ps_phread - r0->ps_phread));
674 		break;
675 
676 	    case 'q':
677 		xprintf("%ld", (long)(r1->ps_phwrite - r0->ps_phwrite));
678 		break;
679 # endif	/* _SEQUENT_ */
680 #endif /* BSDTIMES */
681 	    default:
682 		break;
683 	    }
684     xputchar('\n');
685     haderr = ohaderr;
686 }
687 
688 #if defined(BSDTIMES) || defined(_SEQUENT_)
689 static void
690 pdeltat(timeval_t *t1, timeval_t *t0)
691 {
692     timeval_t td;
693 
694     tvsub(&td, t1, t0);
695     xprintf("%lld.%03ld", (long long)td.tv_sec, (long)td.tv_usec / 1000L);
696 }
697 
698 static void
699 tvadd(timeval_t *tsum, timeval_t *t0)
700 {
701 
702     tsum->tv_sec += t0->tv_sec;
703     tsum->tv_usec += t0->tv_usec;
704     if (tsum->tv_usec >= 1000000)
705 	tsum->tv_sec++,	tsum->tv_usec -= 1000000;
706 }
707 
708 void
709 tvsub(timeval_t *tdiff, timeval_t *t1, timeval_t *t0)
710 {
711 
712     tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
713     tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
714     if (tdiff->tv_usec < 0)
715 	tdiff->tv_sec--, tdiff->tv_usec	+= 1000000;
716 }
717 
718 #else /* !BSDTIMES && !_SEQUENT_ */
719 static void
720 #ifndef	POSIX
721 pdtimet(time_t eval, time_t bval)
722 
723 #else /* POSIX */
724 pdtimet(clock_t eval, clock_t bval)
725 
726 #endif /* POSIX	*/
727 {
728 #ifndef	POSIX
729     time_t  val;
730 
731 #else /* POSIX */
732     clock_t val;
733 
734 #endif /* POSIX	*/
735 
736 #ifndef	POSIX
737     val	= (eval	- bval)	* 100 /	HZ;
738 #else /* POSIX */
739     val	= (eval	- bval)	* 100 /	clk_tck;
740 #endif /* POSIX	*/
741 
742     xprintf("%lld.%02ld", (long long)(val / 100),
743 	(long long)(val - (val / 100 * 100)));
744 }
745 #endif /* BSDTIMES || _SEQUENT_	*/
746