tcsh: fix warning to keep compiling with WARNS=2
[dragonfly.git] / contrib / tcsh-6 / sh.time.c
blobf8ff370cb051ec9cbfc8720414c307795f159d2d
1 /* $Header: /p/tcsh/cvsroot/tcsh/sh.time.c,v 3.33 2006/03/02 18:46:44 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.
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.
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.
33 #include "sh.h"
35 RCSID("$tcsh: sh.time.c,v 3.33 2006/03/02 18:46:44 christos Exp $")
37 #ifdef SUNOS4
38 # include <machine/param.h>
39 #endif /* SUNOS4 */
42 * C Shell - routines handling process timing and niceing
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 */
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_ */
64 void
65 settimes(void)
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 */
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;
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 */
96 * dotime is only called if it is truly a builtin function and not a
97 * prefix to another command
99 /*ARGSUSED*/
100 void
101 dotime(Char **v, struct command *c)
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 */
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;
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 */
131 struct tms times_dol;
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);
146 * donice is only called when it on the line by itself or with a +- value
148 /*ARGSUSED*/
149 void
150 donice(Char **v, struct command *c)
152 Char *cp;
153 int nval = 0;
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 #ifdef HAVE_SETPRIORITY
162 if (setpriority(PRIO_PROCESS, 0, nval) == -1 && errno)
163 stderror(ERR_SYSTEM, "setpriority", strerror(errno));
164 #else /* !HAVE_SETPRIORITY */
165 (void) nice(nval);
166 #endif /* HAVE_SETPRIORITY */
169 #ifdef BSDTIMES
170 void
171 ruadd(struct sysrusage *ru, struct sysrusage *ru2)
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;
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*/
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 */
203 #else /* BSDTIMES */
204 # ifdef _SEQUENT_
205 void
206 ruadd(struct process_stats *ru, struct process_stats *ru2)
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;
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;
231 # endif /* _SEQUENT_ */
232 #endif /* BSDTIMES */
234 #ifdef BSDTIMES
237 * PWP: the LOG1024 and pagetok stuff taken from the top command,
238 * written by William LeFebvre
240 /* Log base 2 of 1024 is 10 (2^10 == 1024) */
241 #define LOG1024 10
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
259 * if any other machines return wierd values in the ru_i* stuff, put
260 * the adjusting macro here:
262 #ifdef SUNOS4
263 # define IADJUST(i) (pagetok(i)/2)
264 #else /* SUNOS4 */
265 # ifdef convex
267 * convex has megabytes * CLK_TCK
268 * multiply by 100 since we use time in 100ths of a second in prusage
270 # define IADJUST(i) (((i) << 10) / CLK_TCK * 100)
271 # else /* convex */
272 # define IADJUST(i) (i)
273 # endif /* convex */
274 #endif /* SUNOS4 */
276 void
277 prusage(struct sysrusage *r0, struct sysrusage *r1, timeval_t *e, timeval_t *b)
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)
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 */
296 #ifdef BSDTIMES
297 time_t t =
298 (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 +
299 (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
300 (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 +
301 (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
303 #else
304 # ifdef _SEQUENT_
305 time_t t =
306 (r1->ps_utime.tv_sec - r0->ps_utime.tv_sec) * 100 +
307 (r1->ps_utime.tv_usec - r0->ps_utime.tv_usec) / 10000 +
308 (r1->ps_stime.tv_sec - r0->ps_stime.tv_sec) * 100 +
309 (r1->ps_stime.tv_usec - r0->ps_stime.tv_usec) / 10000;
311 # else /* _SEQUENT_ */
312 # ifndef POSIX
313 time_t t = (es->tms_utime - bs->tms_utime +
314 es->tms_stime - bs->tms_stime) * 100 / HZ;
316 # else /* POSIX */
317 clock_t t = (es->tms_utime - bs->tms_utime +
318 es->tms_stime - bs->tms_stime) * 100 / clk_tck;
320 # endif /* POSIX */
321 # endif /* _SEQUENT_ */
322 #endif /* BSDTIMES */
324 const char *cp;
325 long i;
326 struct varent *vp = adrof(STRtime);
328 #ifdef BSDTIMES
329 # ifdef convex
330 static struct system_information sysinfo;
331 long long memtmp; /* let memory calculations exceede 2Gb */
332 # endif /* convex */
333 int ms = (int)
334 ((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
336 cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww";
337 #else /* !BSDTIMES */
338 # ifdef _SEQUENT_
339 int ms = (int)
340 ((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
342 cp = "%Uu %Ss %E %P %I+%Oio %Fpf+%Ww";
343 # else /* !_SEQUENT_ */
344 # ifndef POSIX
345 time_t ms = ((time_t)((e - b) / HZ) * 100) +
346 (time_t)(((e - b) % HZ) * 100) / HZ;
347 # else /* POSIX */
348 clock_t ms = ((clock_t)((e - b) / clk_tck) * 100) +
349 (clock_t)(((e - b) % clk_tck) * 100) / clk_tck;
350 # endif /* POSIX */
352 cp = "%Uu %Ss %E %P";
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.
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 es->tms_utime, bs->tms_utime);
370 xprintf("es->tms_stime %lu bs->tms_stime %lu\n",
371 es->tms_stime, bs->tms_stime);
372 xprintf("ms %lu e %lu b %lu\n", ms, e, b);
373 xprintf("t %lu\n", t);
374 #endif /* TDEBUG */
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) {
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;
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;
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;
424 case 'P': /* percent time spent running */
425 /* check if the process did not run */
426 #ifdef convex
428 * scale the cpu %- ages by the number of processors
429 * available on this machine
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;
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;
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;
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;
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("%ld", t == 0 ? 0L :
484 IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t);
485 #endif
486 break;
488 case 'D': /* (average) unshared data size */
489 #ifdef _OSD_POSIX
490 xprintf("0",0);
491 #else
492 xprintf("%ld", t == 0 ? 0L :
493 IADJUST(r1->ru_idrss + r1->ru_isrss -
494 (r0->ru_idrss + r0->ru_isrss)) / t);
495 #endif
496 break;
498 case 'K': /* (average) total data memory used */
499 #ifdef _OSD_POSIX
500 xprintf("0",0);
501 #else
502 xprintf("%ld", 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", pagetok(r1->ru_maxrss));
511 #else
512 # ifdef convex
513 xprintf("%ld", r1->ru_maxrss * 4L);
514 # else /* !convex */
515 # ifdef _OSD_POSIX
516 xprintf("0",0);
517 # else
518 xprintf("%ld", r1->ru_maxrss / 2L);
519 # endif
520 # endif /* convex */
521 #endif /* SUNOS4 */
522 break;
524 case 'F': /* page faults */
525 #ifdef _OSD_POSIX
526 xprintf("0",0);
527 #else
528 xprintf("%ld", r1->ru_majflt - r0->ru_majflt);
529 #endif
530 break;
532 case 'R': /* page reclaims */
533 #ifdef _OSD_POSIX
534 xprintf("0",0);
535 #else
536 xprintf("%ld", r1->ru_minflt - r0->ru_minflt);
537 #endif
538 break;
540 case 'I': /* FS blocks in */
541 #ifdef _OSD_POSIX
542 xprintf("0",0);
543 #else
544 xprintf("%ld", r1->ru_inblock - r0->ru_inblock);
545 #endif
546 break;
548 case 'O': /* FS blocks out */
549 #ifdef _OSD_POSIX
550 xprintf("0",0);
551 #else
552 xprintf("%ld", r1->ru_oublock - r0->ru_oublock);
553 #endif
554 break;
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", r1->ru_msgrcv - r0->ru_msgrcv);
571 #endif
572 break;
574 case 's': /* PWP: socket messages sent */
575 #ifdef _OSD_POSIX
576 xprintf("0",0);
577 #else
578 xprintf("%ld", r1->ru_msgsnd - r0->ru_msgsnd);
579 #endif
580 break;
582 case 'k': /* PWP: signals received */
583 #ifdef _OSD_POSIX
584 xprintf("0",0);
585 #else
586 xprintf("%ld", r1->ru_nsignals - r0->ru_nsignals);
587 #endif
588 break;
590 case 'w': /* PWP: voluntary context switches (waits) */
591 #ifdef _OSD_POSIX
592 xprintf("0",0);
593 #else
594 xprintf("%ld", r1->ru_nvcsw - r0->ru_nvcsw);
595 #endif
596 break;
598 case 'c': /* PWP: involuntary context switches */
599 #ifdef _OSD_POSIX
600 xprintf("0",0);
601 #else
602 xprintf("%ld", 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", i);
610 break;
612 case 'M':
613 xprintf("%ld", r1->ps_maxrss / 2);
614 break;
616 case 'F':
617 xprintf("%ld", r1->ps_pagein - r0->ps_pagein);
618 break;
620 case 'R':
621 xprintf("%ld", r1->ps_reclaim - r0->ps_reclaim);
622 break;
624 case 'I':
625 xprintf("%ld", r1->ps_bread - r0->ps_bread);
626 break;
628 case 'O':
629 xprintf("%ld", r1->ps_bwrite - r0->ps_bwrite);
630 break;
632 case 'k':
633 xprintf("%ld", r1->ps_signal - r0->ps_signal);
634 break;
636 case 'w':
637 xprintf("%ld", r1->ps_volcsw - r0->ps_volcsw);
638 break;
640 case 'c':
641 xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw);
642 break;
644 case 'Z':
645 xprintf("%ld", r1->ps_zerofill - r0->ps_zerofill);
646 break;
648 case 'i':
649 xprintf("%ld", r1->ps_pffincr - r0->ps_pffincr);
650 break;
652 case 'd':
653 xprintf("%ld", r1->ps_pffdecr - r0->ps_pffdecr);
654 break;
656 case 'Y':
657 xprintf("%ld", r1->ps_syscall - r0->ps_syscall);
658 break;
660 case 'l':
661 xprintf("%ld", r1->ps_lread - r0->ps_lread);
662 break;
664 case 'm':
665 xprintf("%ld", r1->ps_lwrite - r0->ps_lwrite);
666 break;
668 case 'p':
669 xprintf("%ld", r1->ps_phread - r0->ps_phread);
670 break;
672 case 'q':
673 xprintf("%ld", r1->ps_phwrite - r0->ps_phwrite);
674 break;
675 # endif /* _SEQUENT_ */
676 #endif /* BSDTIMES */
677 default:
678 break;
680 xputchar('\n');
683 #if defined(BSDTIMES) || defined(_SEQUENT_)
684 static void
685 pdeltat(timeval_t *t1, timeval_t *t0)
687 timeval_t td;
689 tvsub(&td, t1, t0);
690 xprintf("%ld.%03ld", td.tv_sec, td.tv_usec / 1000L);
693 static void
694 tvadd(timeval_t *tsum, timeval_t *t0)
697 tsum->tv_sec += t0->tv_sec;
698 tsum->tv_usec += t0->tv_usec;
699 if (tsum->tv_usec >= 1000000)
700 tsum->tv_sec++, tsum->tv_usec -= 1000000;
703 void
704 tvsub(timeval_t *tdiff, timeval_t *t1, timeval_t *t0)
707 tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
708 tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
709 if (tdiff->tv_usec < 0)
710 tdiff->tv_sec--, tdiff->tv_usec += 1000000;
713 #else /* !BSDTIMES && !_SEQUENT_ */
714 static void
715 #ifndef POSIX
716 pdtimet(time_t eval, time_t bval)
718 #else /* POSIX */
719 pdtimet(clock_t eval, clock_t bval)
721 #endif /* POSIX */
723 #ifndef POSIX
724 time_t val;
726 #else /* POSIX */
727 clock_t val;
729 #endif /* POSIX */
731 #ifndef POSIX
732 val = (eval - bval) * 100 / HZ;
733 #else /* POSIX */
734 val = (eval - bval) * 100 / clk_tck;
735 #endif /* POSIX */
737 xprintf("%ld.%02ld", val / 100, val - (val / 100 * 100));
739 #endif /* BSDTIMES || _SEQUENT_ */