Fix a bug when '-f -H' is used and the target already exists. cpdup was
[dragonfly.git] / contrib / tcsh / sh.time.c
1 /* $Header: /src/pub/tcsh/sh.time.c,v 3.25 2002/06/25 19:02:11 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("$Id: sh.time.c,v 3.25 2002/06/25 19:02:11 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 __P((clock_t, clock_t));
56 # else /* ! POSIX */
57 static  void    pdtimet __P((time_t, time_t));
58 # endif /* ! POSIX */
59 #else /* BSDTIMES || _SEQUENT_ */
60 static  void    tvadd   __P((timeval_t *, timeval_t *));
61 static  void    pdeltat __P((timeval_t *, timeval_t *));
62 #endif /* BSDTIMES || _SEQUENT_ */
63
64 void
65 settimes()
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 #  ifndef COHERENT
87     time0 = times(&times0);
88 #  else /* !COHERENT */
89     time0 = HZ * seconds0;
90     times(&times0);
91 #  endif /* !COHERENT */
92     times0.tms_stime += times0.tms_cstime;
93     times0.tms_utime += times0.tms_cutime;
94     times0.tms_cstime = 0;
95     times0.tms_cutime = 0;
96 # endif /* _SEQUENT_ */
97 #endif /* BSDTIMES */
98 }
99
100 /*
101  * dotime is only called if it is truly a builtin function and not a
102  * prefix to another command
103  */
104 /*ARGSUSED*/
105 void
106 dotime(v, c)
107     Char **v;
108     struct command *c;
109 {
110 #ifdef BSDTIMES
111     timeval_t timedol;
112     struct sysrusage ru1, ruch;
113 #ifdef convex
114     memset(&ru1, 0, sizeof(ru1));
115     memset(&ruch, 0, sizeof(ruch));
116 #endif /* convex */
117
118     (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru1);
119     (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
120     ruadd(&ru1, &ruch);
121     (void) gettimeofday(&timedol, NULL);
122     prusage(&ru0, &ru1, &timedol, &time0);
123 #else
124 # ifdef _SEQUENT_
125     timeval_t timedol;
126     struct process_stats ru1, ruch;
127
128     (void) get_process_stats(&timedol, PS_SELF, &ru1, &ruch);
129     ruadd(&ru1, &ruch);
130     prusage(&ru0, &ru1, &timedol, &time0);
131 # else /* _SEQUENT_ */
132 #  ifndef POSIX
133     time_t  timedol;
134 #  else /* POSIX */
135     clock_t timedol;
136 #  endif /* POSIX */
137
138     struct tms times_dol;
139
140 #ifndef COHERENT
141     timedol = times(&times_dol);
142 #else
143     timedol = HZ * time(NULL);
144     times(&times_dol);
145 #endif
146     times_dol.tms_stime += times_dol.tms_cstime;
147     times_dol.tms_utime += times_dol.tms_cutime;
148     times_dol.tms_cstime = 0;
149     times_dol.tms_cutime = 0;
150     prusage(&times0, &times_dol, timedol, time0);
151 # endif /* _SEQUENT_ */
152 #endif /* BSDTIMES */
153     USE(c);
154     USE(v);
155 }
156
157 /*
158  * donice is only called when it on the line by itself or with a +- value
159  */
160 /*ARGSUSED*/
161 void
162 donice(v, c)
163     register Char **v;
164     struct command *c;
165 {
166     register Char *cp;
167     int     nval = 0;
168
169     USE(c);
170     v++, cp = *v++;
171     if (cp == 0)
172         nval = 4;
173     else if (*v == 0 && any("+-", cp[0]))
174         nval = getn(cp);
175 #ifdef BSDNICE
176     if (setpriority(PRIO_PROCESS, 0, nval) == -1 && errno)
177         stderror(ERR_SYSTEM, "setpriority", strerror(errno));
178 #else /* BSDNICE */
179     (void) nice(nval);
180 #endif /* BSDNICE */
181 }
182
183 #ifdef BSDTIMES
184 void
185 ruadd(ru, ru2)
186     register struct sysrusage *ru,      *ru2;
187 {
188     tvadd(&ru->ru_utime, &ru2->ru_utime);
189     tvadd(&ru->ru_stime, &ru2->ru_stime);
190     if (ru2->ru_maxrss > ru->ru_maxrss)
191         ru->ru_maxrss = ru2->ru_maxrss;
192
193     ru->ru_ixrss += ru2->ru_ixrss;
194     ru->ru_idrss += ru2->ru_idrss;
195     ru->ru_isrss += ru2->ru_isrss;
196     ru->ru_minflt += ru2->ru_minflt;
197     ru->ru_majflt += ru2->ru_majflt;
198     ru->ru_nswap += ru2->ru_nswap;
199     ru->ru_inblock += ru2->ru_inblock;
200     ru->ru_oublock += ru2->ru_oublock;
201     ru->ru_msgsnd += ru2->ru_msgsnd;
202     ru->ru_msgrcv += ru2->ru_msgrcv;
203     ru->ru_nsignals += ru2->ru_nsignals;
204     ru->ru_nvcsw += ru2->ru_nvcsw;
205     ru->ru_nivcsw += ru2->ru_nivcsw;
206
207 # ifdef convex
208     tvadd(&ru->ru_exutime, &ru2->ru_exutime);
209     ru->ru_utotal += ru2->ru_utotal;
210     ru->ru_usamples += ru2->ru_usamples;
211     ru->ru_stotal += ru2->ru_stotal;
212     ru->ru_ssamples += ru2->ru_ssamples;
213 # endif /* convex */
214 }
215
216 #else /* BSDTIMES */
217 # ifdef _SEQUENT_
218 void
219 ruadd(ru, ru2)
220     register struct process_stats *ru, *ru2;
221 {
222     tvadd(&ru->ps_utime, &ru2->ps_utime);
223     tvadd(&ru->ps_stime, &ru2->ps_stime);
224     if (ru2->ps_maxrss > ru->ps_maxrss)
225         ru->ps_maxrss = ru2->ps_maxrss;
226
227     ru->ps_pagein += ru2->ps_pagein;
228     ru->ps_reclaim += ru2->ps_reclaim;
229     ru->ps_zerofill += ru2->ps_zerofill;
230     ru->ps_pffincr += ru2->ps_pffincr;
231     ru->ps_pffdecr += ru2->ps_pffdecr;
232     ru->ps_swap += ru2->ps_swap;
233     ru->ps_syscall += ru2->ps_syscall;
234     ru->ps_volcsw += ru2->ps_volcsw;
235     ru->ps_involcsw += ru2->ps_involcsw;
236     ru->ps_signal += ru2->ps_signal;
237     ru->ps_lread += ru2->ps_lread;
238     ru->ps_lwrite += ru2->ps_lwrite;
239     ru->ps_bread += ru2->ps_bread;
240     ru->ps_bwrite += ru2->ps_bwrite;
241     ru->ps_phread += ru2->ps_phread;
242     ru->ps_phwrite += ru2->ps_phwrite;
243 }
244
245 # endif /* _SEQUENT_ */
246 #endif /* BSDTIMES */
247
248 #ifdef BSDTIMES
249
250 /*
251  * PWP: the LOG1024 and pagetok stuff taken from the top command,
252  * written by William LeFebvre
253  */
254 /* Log base 2 of 1024 is 10 (2^10 == 1024) */
255 #define LOG1024         10
256
257 /* Convert clicks (kernel pages) to kbytes ... */
258 /* If there is no PGSHIFT defined, assume it is 11 */
259 /* Is this needed for compatability with some old flavor of 4.2 or 4.1? */
260 #ifdef SUNOS4
261 # ifndef PGSHIFT
262 #  define pagetok(size)   ((size) << 1)
263 # else
264 #  if PGSHIFT>10
265 #   define pagetok(size)   ((size) << (PGSHIFT - LOG1024))
266 #  else
267 #   define pagetok(size)   ((size) >> (LOG1024 - PGSHIFT))
268 #  endif
269 # endif
270 #endif
271
272 /*
273  * if any other machines return wierd values in the ru_i* stuff, put
274  * the adjusting macro here:
275  */
276 #ifdef SUNOS4
277 # define IADJUST(i)     (pagetok(i)/2)
278 #else /* SUNOS4 */
279 # ifdef convex
280    /*
281     * convex has megabytes * CLK_TCK
282     * multiply by 100 since we use time in 100ths of a second in prusage
283     */
284 #  define IADJUST(i) (((i) << 10) / CLK_TCK * 100)
285 # else /* convex */
286 #  define IADJUST(i)    (i)
287 # endif /* convex */
288 #endif /* SUNOS4 */
289
290 void
291 prusage(r0, r1, e, b)
292     register struct sysrusage *r0,      *r1;
293     timeval_t *e, *b;
294
295 #else /* BSDTIMES */
296 # ifdef _SEQUENT_
297 void
298 prusage(r0, r1, e, b)
299     register struct process_stats *r0, *r1;
300     timeval_t *e, *b;
301
302 # else /* _SEQUENT_ */
303 void
304 prusage(bs, es, e, b)
305     struct tms *bs, *es;
306
307 #  ifndef POSIX
308     time_t  e, b;
309
310 #  else /* POSIX */
311     clock_t e, b;
312
313 #  endif /* POSIX */
314 # endif /* _SEQUENT_ */
315 #endif /* BSDTIMES */
316 {
317 #ifdef BSDTIMES
318     register time_t t =
319     (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 +
320     (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
321     (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 +
322     (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
323
324 #else
325 # ifdef _SEQUENT_
326     register time_t t =
327     (r1->ps_utime.tv_sec - r0->ps_utime.tv_sec) * 100 +
328     (r1->ps_utime.tv_usec - r0->ps_utime.tv_usec) / 10000 +
329     (r1->ps_stime.tv_sec - r0->ps_stime.tv_sec) * 100 +
330     (r1->ps_stime.tv_usec - r0->ps_stime.tv_usec) / 10000;
331
332 # else /* _SEQUENT_ */
333 #  ifndef POSIX
334     register time_t t = (es->tms_utime - bs->tms_utime +
335                          es->tms_stime - bs->tms_stime) * 100 / HZ;
336
337 #  else /* POSIX */
338     register clock_t t = (es->tms_utime - bs->tms_utime +
339                           es->tms_stime - bs->tms_stime) * 100 / clk_tck;
340
341 #  endif /* POSIX */
342 # endif /* _SEQUENT_ */
343 #endif /* BSDTIMES */
344
345     register char *cp;
346     register long i;
347     register struct varent *vp = adrof(STRtime);
348
349 #ifdef BSDTIMES
350 # ifdef convex
351     static struct system_information sysinfo;
352     long long memtmp;   /* let memory calculations exceede 2Gb */
353 # endif /* convex */
354     int     ms = (int)
355     ((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
356
357     cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww";
358 #else /* !BSDTIMES */
359 # ifdef _SEQUENT_
360     int     ms = (int)
361     ((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
362
363     cp = "%Uu %Ss %E %P %I+%Oio %Fpf+%Ww";
364 # else /* !_SEQUENT_ */
365 #  ifndef POSIX
366     time_t ms = ((time_t)((e - b) / HZ) * 100) +
367                  (time_t)(((e - b) % HZ) * 100) / HZ;
368 #  else /* POSIX */
369     clock_t ms = ((clock_t)((e - b) / clk_tck) * 100) +
370                   (clock_t)(((e - b) % clk_tck) * 100) / clk_tck;
371 #  endif /* POSIX */
372
373     cp = "%Uu %Ss %E %P";
374
375     /*
376      * the tms stuff is not very precise, so we fudge it.
377      * granularity fix: can't be more than 100% 
378      * this breaks in multi-processor systems...
379      * maybe I should take it out and let people see more then 100% 
380      * utilizations.
381      */
382 #  if 0
383     if (ms < t && ms != 0)
384         ms = t;
385 #  endif
386 # endif /*! _SEQUENT_ */
387 #endif /* !BSDTIMES */
388 #ifdef TDEBUG
389     xprintf("es->tms_utime %lu bs->tms_utime %lu\n",
390             es->tms_utime, bs->tms_utime);
391     xprintf("es->tms_stime %lu bs->tms_stime %lu\n",
392             es->tms_stime, bs->tms_stime);
393     xprintf("ms %lu e %lu b %lu\n", ms, e, b);
394     xprintf("t %lu\n", t);
395 #endif /* TDEBUG */
396
397     if (vp && vp->vec && vp->vec[0] && vp->vec[1])
398         cp = short2str(vp->vec[1]);
399     for (; *cp; cp++)
400         if (*cp != '%')
401             xputchar(*cp);
402         else if (cp[1])
403             switch (*++cp) {
404
405             case 'U':           /* user CPU time used */
406 #ifdef BSDTIMES
407                 pdeltat(&r1->ru_utime, &r0->ru_utime);
408 #else
409 # ifdef _SEQUENT_
410                 pdeltat(&r1->ps_utime, &r0->ps_utime);
411 # else /* _SEQUENT_ */
412 #  ifndef POSIX
413                 pdtimet(es->tms_utime, bs->tms_utime);
414 #  else /* POSIX */
415                 pdtimet(es->tms_utime, bs->tms_utime);
416 #  endif /* POSIX */
417 # endif /* _SEQUENT_ */
418 #endif /* BSDTIMES */
419                 break;
420
421             case 'S':           /* system CPU time used */
422 #ifdef BSDTIMES
423                 pdeltat(&r1->ru_stime, &r0->ru_stime);
424 #else
425 # ifdef _SEQUENT_
426                 pdeltat(&r1->ps_stime, &r0->ps_stime);
427 # else /* _SEQUENT_ */
428 #  ifndef POSIX
429                 pdtimet(es->tms_stime, bs->tms_stime);
430 #  else /* POSIX */
431                 pdtimet(es->tms_stime, bs->tms_stime);
432 #  endif /* POSIX */
433 # endif /* _SEQUENT_ */
434 #endif /* BSDTIMES */
435                 break;
436
437             case 'E':           /* elapsed (wall-clock) time */
438 #ifdef BSDTIMES
439                 pcsecs((long) ms);
440 #else /* BSDTIMES */
441                 pcsecs(ms);
442 #endif /* BSDTIMES */
443                 break;
444
445             case 'P':           /* percent time spent running */
446                 /* check if the process did not run */
447 #ifdef convex
448                 /*
449                  * scale the cpu %- ages by the number of processors
450                  * available on this machine
451                  */
452                 if ((sysinfo.cpu_count == 0) &&
453                     (getsysinfo(SYSINFO_SIZE, &sysinfo) < 0))
454                     sysinfo.cpu_count = 1;
455                     i = (ms == 0) ? 0 : (t * 1000.0 / (ms * sysinfo.cpu_count));
456 #else /* convex */
457                 i = (ms == 0) ? 0 : (long)(t * 1000.0 / ms);
458 #endif /* convex */
459                 xprintf("%ld.%01ld%%", i / 10, i % 10); /* nn.n% */
460                 break;
461
462 #ifdef BSDTIMES
463             case 'W':           /* number of swaps */
464                 i = r1->ru_nswap - r0->ru_nswap;
465                 xprintf("%ld", i);
466                 break;
467  
468 #ifdef convex
469             case 'X':           /* (average) shared text size */
470                 memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_ixrss -
471                                  (long long)r0->ru_ixrss) /
472                          (long long)t);
473                 xprintf("%lu", (unsigned long)memtmp);
474                         
475                 break;
476
477             case 'D':           /* (average) unshared data size */
478                 memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_idrss +
479                                  (long long)r1->ru_isrss -
480                                  ((long long)r0->ru_idrss +
481                                   (long long)r0->ru_isrss)) /
482                          (long long)t);
483                 xprintf("%lu", (unsigned long)memtmp);
484                 break;
485
486             case 'K':           /* (average) total data memory used  */
487                 memtmp = (t == 0 ? 0LL : IADJUST(((long long)r1->ru_ixrss +
488                                   (long long)r1->ru_isrss +
489                                   (long long)r1->ru_idrss) -
490                                   ((long long)r0->ru_ixrss +
491                                    (long long)r0->ru_idrss +
492                                    (long long)r0->ru_isrss)) /
493                          (long long)t);
494                 xprintf("%lu", (unsigned long)memtmp);
495                 break;
496 #else /* !convex */
497             case 'X':           /* (average) shared text size */
498                 xprintf("%ld", t == 0 ? 0L :
499                         IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t);
500                 break;
501
502             case 'D':           /* (average) unshared data size */
503                 xprintf("%ld", t == 0 ? 0L :
504                         IADJUST(r1->ru_idrss + r1->ru_isrss -
505                                 (r0->ru_idrss + r0->ru_isrss)) / t);
506                 break;
507
508             case 'K':           /* (average) total data memory used  */
509                 xprintf("%ld", t == 0 ? 0L :
510                         IADJUST((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss) -
511                            (r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss)) / t);
512                 break;
513 #endif /* convex */
514             case 'M':           /* max. Resident Set Size */
515 #ifdef SUNOS4
516                 xprintf("%ld", pagetok(r1->ru_maxrss));
517 #else
518 # ifdef convex
519                 xprintf("%ld", r1->ru_maxrss * 4L);
520 # else /* !convex */
521                 xprintf("%ld", r1->ru_maxrss / 2L);
522 # endif /* convex */
523 #endif /* SUNOS4 */
524                 break;
525
526             case 'F':           /* page faults */
527                 xprintf("%ld", r1->ru_majflt - r0->ru_majflt);
528                 break;
529
530             case 'R':           /* page reclaims */
531                 xprintf("%ld", r1->ru_minflt - r0->ru_minflt);
532                 break;
533
534             case 'I':           /* FS blocks in */
535                 xprintf("%ld", r1->ru_inblock - r0->ru_inblock);
536                 break;
537
538             case 'O':           /* FS blocks out */
539                 xprintf("%ld", r1->ru_oublock - r0->ru_oublock);
540                 break;
541
542 # ifdef convex
543             case 'C':                   /*  CPU parallelization factor */
544                 if (r1->ru_usamples     != 0LL) {
545                     long long parr = ((r1->ru_utotal * 100LL) /
546                                       r1->ru_usamples);
547                     xprintf("%d.%02d", (int)(parr/100), (int)(parr%100));
548                 } else
549                     xprintf("?");
550                 break;
551 # endif /* convex */
552             case 'r':           /* PWP: socket messages recieved */
553                 xprintf("%ld", r1->ru_msgrcv - r0->ru_msgrcv);
554                 break;
555
556             case 's':           /* PWP: socket messages sent */
557                 xprintf("%ld", r1->ru_msgsnd - r0->ru_msgsnd);
558                 break;
559
560             case 'k':           /* PWP: signals received */
561                 xprintf("%ld", r1->ru_nsignals - r0->ru_nsignals);
562                 break;
563
564             case 'w':           /* PWP: voluntary context switches (waits) */
565                 xprintf("%ld", r1->ru_nvcsw - r0->ru_nvcsw);
566                 break;
567
568             case 'c':           /* PWP: involuntary context switches */
569                 xprintf("%ld", r1->ru_nivcsw - r0->ru_nivcsw);
570                 break;
571 #else /* BSDTIMES */
572 # ifdef _SEQUENT_
573             case 'W':           /* number of swaps */
574                 i = r1->ps_swap - r0->ps_swap;
575                 xprintf("%ld", i);
576                 break;
577
578             case 'M':
579                 xprintf("%ld", r1->ps_maxrss / 2);
580                 break;
581
582             case 'F':
583                 xprintf("%ld", r1->ps_pagein - r0->ps_pagein);
584                 break;
585
586             case 'R':
587                 xprintf("%ld", r1->ps_reclaim - r0->ps_reclaim);
588                 break;
589
590             case 'I':
591                 xprintf("%ld", r1->ps_bread - r0->ps_bread);
592                 break;
593
594             case 'O':
595                 xprintf("%ld", r1->ps_bwrite - r0->ps_bwrite);
596                 break;
597
598             case 'k':
599                 xprintf("%ld", r1->ps_signal - r0->ps_signal);
600                 break;
601
602             case 'w':
603                 xprintf("%ld", r1->ps_volcsw - r0->ps_volcsw);
604                 break;
605
606             case 'c':
607                 xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw);
608                 break;
609
610             case 'Z':
611                 xprintf("%ld", r1->ps_zerofill - r0->ps_zerofill);
612                 break;
613
614             case 'i':
615                 xprintf("%ld", r1->ps_pffincr - r0->ps_pffincr);
616                 break;
617
618             case 'd':
619                 xprintf("%ld", r1->ps_pffdecr - r0->ps_pffdecr);
620                 break;
621
622             case 'Y':
623                 xprintf("%ld", r1->ps_syscall - r0->ps_syscall);
624                 break;
625
626             case 'l':
627                 xprintf("%ld", r1->ps_lread - r0->ps_lread);
628                 break;
629
630             case 'm':
631                 xprintf("%ld", r1->ps_lwrite - r0->ps_lwrite);
632                 break;
633
634             case 'p':
635                 xprintf("%ld", r1->ps_phread - r0->ps_phread);
636                 break;
637
638             case 'q':
639                 xprintf("%ld", r1->ps_phwrite - r0->ps_phwrite);
640                 break;
641 # endif /* _SEQUENT_ */
642 #endif /* BSDTIMES */
643             default:
644                 break;
645             }
646     xputchar('\n');
647 }
648
649 #if defined(BSDTIMES) || defined(_SEQUENT_)
650 static void
651 pdeltat(t1, t0)
652     timeval_t *t1, *t0;
653 {
654     timeval_t td;
655
656     tvsub(&td, t1, t0);
657     xprintf("%ld.%03ld", td.tv_sec, td.tv_usec / 1000L);
658 }
659
660 static void
661 tvadd(tsum, t0)
662     timeval_t *tsum, *t0;
663 {
664
665     tsum->tv_sec += t0->tv_sec;
666     tsum->tv_usec += t0->tv_usec;
667     if (tsum->tv_usec >= 1000000)
668         tsum->tv_sec++, tsum->tv_usec -= 1000000;
669 }
670
671 void
672 tvsub(tdiff, t1, t0)
673     timeval_t *tdiff, *t1, *t0;
674 {
675
676     tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
677     tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
678     if (tdiff->tv_usec < 0)
679         tdiff->tv_sec--, tdiff->tv_usec += 1000000;
680 }
681
682 #else /* !BSDTIMES && !_SEQUENT_ */
683 static void
684 pdtimet(eval, bval)
685 #ifndef POSIX
686     time_t  eval, bval;
687
688 #else /* POSIX */
689     clock_t eval, bval;
690
691 #endif /* POSIX */
692 {
693 #ifndef POSIX
694     time_t  val;
695
696 #else /* POSIX */
697     clock_t val;
698
699 #endif /* POSIX */
700
701 #ifndef POSIX
702     val = (eval - bval) * 100 / HZ;
703 #else /* POSIX */
704     val = (eval - bval) * 100 / clk_tck;
705 #endif /* POSIX */
706
707     xprintf("%ld.%02ld", val / 100, val - (val / 100 * 100));
708 }
709 #endif /* BSDTIMES || _SEQUENT_ */