1 /* $Header: /src/pub/tcsh/sh.time.c,v 3.21 2000/01/14 22:57:29 christos Exp $ */
3 * sh.time.c: Shell time keeping and printing.
6 * Copyright (c) 1980, 1991 The Regents of the University of California.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 RCSID("$Id: sh.time.c,v 3.21 2000/01/14 22:57:29 christos Exp $")
42 # include <machine/param.h>
46 * C Shell - routines handling process timing and niceing
50 # define RUSAGE_SELF 0
51 # define RUSAGE_CHILDREN -1
52 # endif /* RUSAGE_SELF */
57 #if !defined(BSDTIMES) && !defined(_SEQUENT_)
59 static void pdtimet __P((clock_t, clock_t));
61 static void pdtimet __P((time_t, time_t));
63 #else /* BSDTIMES || _SEQUENT_ */
64 static void tvadd __P((timeval_t *, timeval_t *));
65 static void pdeltat __P((timeval_t *, timeval_t *));
66 #endif /* BSDTIMES || _SEQUENT_ */
72 struct sysrusage ruch;
74 memset(&ru0, 0, sizeof(ru0));
75 memset(&ruch, 0, sizeof(ruch));
78 (void) gettimeofday(&time0, NULL);
79 (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru0);
80 (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
84 struct process_stats ruch;
86 (void) get_process_stats(&time0, PS_SELF, &ru0, &ruch);
88 # else /* _SEQUENT_ */
89 seconds0 = time(NULL);
91 time0 = times(×0);
92 # else /* !COHERENT */
93 time0 = HZ * seconds0;
95 # endif /* !COHERENT */
96 times0.tms_stime += times0.tms_cstime;
97 times0.tms_utime += times0.tms_cutime;
98 times0.tms_cstime = 0;
99 times0.tms_cutime = 0;
100 # endif /* _SEQUENT_ */
101 #endif /* BSDTIMES */
105 * dotime is only called if it is truly a builtin function and not a
106 * prefix to another command
116 struct sysrusage ru1, ruch;
118 memset(&ru1, 0, sizeof(ru1));
119 memset(&ruch, 0, sizeof(ruch));
122 (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru1);
123 (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
125 (void) gettimeofday(&timedol, NULL);
126 prusage(&ru0, &ru1, &timedol, &time0);
130 struct process_stats ru1, ruch;
132 (void) get_process_stats(&timedol, PS_SELF, &ru1, &ruch);
134 prusage(&ru0, &ru1, &timedol, &time0);
135 # else /* _SEQUENT_ */
142 struct tms times_dol;
145 timedol = times(×_dol);
147 timedol = HZ * time(NULL);
150 times_dol.tms_stime += times_dol.tms_cstime;
151 times_dol.tms_utime += times_dol.tms_cutime;
152 times_dol.tms_cstime = 0;
153 times_dol.tms_cutime = 0;
154 prusage(×0, ×_dol, timedol, time0);
155 # endif /* _SEQUENT_ */
156 #endif /* BSDTIMES */
162 * donice is only called when it on the line by itself or with a +- value
177 else if (*v == 0 && any("+-", cp[0]))
180 (void) setpriority(PRIO_PROCESS, 0, nval);
189 register struct sysrusage *ru, *ru2;
191 tvadd(&ru->ru_utime, &ru2->ru_utime);
192 tvadd(&ru->ru_stime, &ru2->ru_stime);
193 if (ru2->ru_maxrss > ru->ru_maxrss)
194 ru->ru_maxrss = ru2->ru_maxrss;
196 ru->ru_ixrss += ru2->ru_ixrss;
197 ru->ru_idrss += ru2->ru_idrss;
198 ru->ru_isrss += ru2->ru_isrss;
199 ru->ru_minflt += ru2->ru_minflt;
200 ru->ru_majflt += ru2->ru_majflt;
201 ru->ru_nswap += ru2->ru_nswap;
202 ru->ru_inblock += ru2->ru_inblock;
203 ru->ru_oublock += ru2->ru_oublock;
204 ru->ru_msgsnd += ru2->ru_msgsnd;
205 ru->ru_msgrcv += ru2->ru_msgrcv;
206 ru->ru_nsignals += ru2->ru_nsignals;
207 ru->ru_nvcsw += ru2->ru_nvcsw;
208 ru->ru_nivcsw += ru2->ru_nivcsw;
211 tvadd(&ru->ru_exutime, &ru2->ru_exutime);
212 ru->ru_utotal += ru2->ru_utotal;
213 ru->ru_usamples += ru2->ru_usamples;
214 ru->ru_stotal += ru2->ru_stotal;
215 ru->ru_ssamples += ru2->ru_ssamples;
223 register struct process_stats *ru, *ru2;
225 tvadd(&ru->ps_utime, &ru2->ps_utime);
226 tvadd(&ru->ps_stime, &ru2->ps_stime);
227 if (ru2->ps_maxrss > ru->ps_maxrss)
228 ru->ps_maxrss = ru2->ps_maxrss;
230 ru->ps_pagein += ru2->ps_pagein;
231 ru->ps_reclaim += ru2->ps_reclaim;
232 ru->ps_zerofill += ru2->ps_zerofill;
233 ru->ps_pffincr += ru2->ps_pffincr;
234 ru->ps_pffdecr += ru2->ps_pffdecr;
235 ru->ps_swap += ru2->ps_swap;
236 ru->ps_syscall += ru2->ps_syscall;
237 ru->ps_volcsw += ru2->ps_volcsw;
238 ru->ps_involcsw += ru2->ps_involcsw;
239 ru->ps_signal += ru2->ps_signal;
240 ru->ps_lread += ru2->ps_lread;
241 ru->ps_lwrite += ru2->ps_lwrite;
242 ru->ps_bread += ru2->ps_bread;
243 ru->ps_bwrite += ru2->ps_bwrite;
244 ru->ps_phread += ru2->ps_phread;
245 ru->ps_phwrite += ru2->ps_phwrite;
248 # endif /* _SEQUENT_ */
249 #endif /* BSDTIMES */
254 * PWP: the LOG1024 and pagetok stuff taken from the top command,
255 * written by William LeFebvre
257 /* Log base 2 of 1024 is 10 (2^10 == 1024) */
260 /* Convert clicks (kernel pages) to kbytes ... */
261 /* If there is no PGSHIFT defined, assume it is 11 */
262 /* Is this needed for compatability with some old flavor of 4.2 or 4.1? */
265 # define pagetok(size) ((size) << 1)
268 # define pagetok(size) ((size) << (PGSHIFT - LOG1024))
270 # define pagetok(size) ((size) >> (LOG1024 - PGSHIFT))
276 * if any other machines return wierd values in the ru_i* stuff, put
277 * the adjusting macro here:
280 # define IADJUST(i) (pagetok(i)/2)
284 * convex has megabytes * CLK_TCK
285 * multiply by 100 since we use time in 100ths of a second in prusage
287 # define IADJUST(i) (((i) << 10) / CLK_TCK * 100)
289 # define IADJUST(i) (i)
294 prusage(r0, r1, e, b)
295 register struct sysrusage *r0, *r1;
301 prusage(r0, r1, e, b)
302 register struct process_stats *r0, *r1;
305 # else /* _SEQUENT_ */
307 prusage(bs, es, e, b)
317 # endif /* _SEQUENT_ */
318 #endif /* BSDTIMES */
322 (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 +
323 (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
324 (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 +
325 (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
330 (r1->ps_utime.tv_sec - r0->ps_utime.tv_sec) * 100 +
331 (r1->ps_utime.tv_usec - r0->ps_utime.tv_usec) / 10000 +
332 (r1->ps_stime.tv_sec - r0->ps_stime.tv_sec) * 100 +
333 (r1->ps_stime.tv_usec - r0->ps_stime.tv_usec) / 10000;
335 # else /* _SEQUENT_ */
337 register time_t t = (es->tms_utime - bs->tms_utime +
338 es->tms_stime - bs->tms_stime) * 100 / HZ;
341 register clock_t t = (es->tms_utime - bs->tms_utime +
342 es->tms_stime - bs->tms_stime) * 100 / clk_tck;
345 # endif /* _SEQUENT_ */
346 #endif /* BSDTIMES */
350 register struct varent *vp = adrof(STRtime);
354 static struct system_information sysinfo;
355 long long memtmp; /* let memory calculations exceede 2Gb */
358 ((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
360 cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww";
361 #else /* !BSDTIMES */
364 ((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
366 cp = "%Uu %Ss %E %P %I+%Oio %Fpf+%Ww";
367 # else /* !_SEQUENT_ */
369 time_t ms = ((time_t)((e - b) / HZ) * 100) +
370 (time_t)(((e - b) % HZ) * 100) / HZ;
372 clock_t ms = ((clock_t)((e - b) / clk_tck) * 100) +
373 (clock_t)(((e - b) % clk_tck) * 100) / clk_tck;
376 cp = "%Uu %Ss %E %P";
379 * the tms stuff is not very precise, so we fudge it.
380 * granularity fix: can't be more than 100%
381 * this breaks in multi-processor systems...
382 * maybe I should take it out and let people see more then 100%
386 if (ms < t && ms != 0)
389 # endif /*! _SEQUENT_ */
390 #endif /* !BSDTIMES */
392 xprintf("es->tms_utime %lu bs->tms_utime %lu\n",
393 es->tms_utime, bs->tms_utime);
394 xprintf("es->tms_stime %lu bs->tms_stime %lu\n",
395 es->tms_stime, bs->tms_stime);
396 xprintf("ms %lu e %lu b %lu\n", ms, e, b);
397 xprintf("t %lu\n", t);
400 if (vp && vp->vec[0] && vp->vec[1])
401 cp = short2str(vp->vec[1]);
408 case 'U': /* user CPU time used */
410 pdeltat(&r1->ru_utime, &r0->ru_utime);
413 pdeltat(&r1->ps_utime, &r0->ps_utime);
414 # else /* _SEQUENT_ */
416 pdtimet(es->tms_utime, bs->tms_utime);
418 pdtimet(es->tms_utime, bs->tms_utime);
420 # endif /* _SEQUENT_ */
421 #endif /* BSDTIMES */
424 case 'S': /* system CPU time used */
426 pdeltat(&r1->ru_stime, &r0->ru_stime);
429 pdeltat(&r1->ps_stime, &r0->ps_stime);
430 # else /* _SEQUENT_ */
432 pdtimet(es->tms_stime, bs->tms_stime);
434 pdtimet(es->tms_stime, bs->tms_stime);
436 # endif /* _SEQUENT_ */
437 #endif /* BSDTIMES */
440 case 'E': /* elapsed (wall-clock) time */
445 #endif /* BSDTIMES */
448 case 'P': /* percent time spent running */
449 /* check if the process did not run */
452 * scale the cpu %- ages by the number of processors
453 * available on this machine
455 if ((sysinfo.cpu_count == 0) &&
456 (getsysinfo(SYSINFO_SIZE, &sysinfo) < 0))
457 sysinfo.cpu_count = 1;
458 i = (ms == 0) ? 0 : (t * 1000.0 / (ms * sysinfo.cpu_count));
460 i = (ms == 0) ? 0 : (t * 1000.0 / ms);
462 xprintf("%ld.%01ld%%", i / 10, i % 10); /* nn.n% */
466 case 'W': /* number of swaps */
467 i = r1->ru_nswap - r0->ru_nswap;
472 case 'X': /* (average) shared text size */
473 memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_ixrss -
474 (long long)r0->ru_ixrss) /
476 xprintf("%lu", (unsigned long)memtmp);
480 case 'D': /* (average) unshared data size */
481 memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_idrss +
482 (long long)r1->ru_isrss -
483 ((long long)r0->ru_idrss +
484 (long long)r0->ru_isrss)) /
486 xprintf("%lu", (unsigned long)memtmp);
489 case 'K': /* (average) total data memory used */
490 memtmp = (t == 0 ? 0LL : IADJUST(((long long)r1->ru_ixrss +
491 (long long)r1->ru_isrss +
492 (long long)r1->ru_idrss) -
493 ((long long)r0->ru_ixrss +
494 (long long)r0->ru_idrss +
495 (long long)r0->ru_isrss)) /
497 xprintf("%lu", (unsigned long)memtmp);
500 case 'X': /* (average) shared text size */
501 xprintf("%ld", t == 0 ? 0L :
502 IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t);
505 case 'D': /* (average) unshared data size */
506 xprintf("%ld", t == 0 ? 0L :
507 IADJUST(r1->ru_idrss + r1->ru_isrss -
508 (r0->ru_idrss + r0->ru_isrss)) / t);
511 case 'K': /* (average) total data memory used */
512 xprintf("%ld", t == 0 ? 0L :
513 IADJUST((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss) -
514 (r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss)) / t);
517 case 'M': /* max. Resident Set Size */
519 xprintf("%ld", pagetok(r1->ru_maxrss));
522 xprintf("%ld", r1->ru_maxrss * 4L);
524 xprintf("%ld", r1->ru_maxrss / 2L);
529 case 'F': /* page faults */
530 xprintf("%ld", r1->ru_majflt - r0->ru_majflt);
533 case 'R': /* page reclaims */
534 xprintf("%ld", r1->ru_minflt - r0->ru_minflt);
537 case 'I': /* FS blocks in */
538 xprintf("%ld", r1->ru_inblock - r0->ru_inblock);
541 case 'O': /* FS blocks out */
542 xprintf("%ld", r1->ru_oublock - r0->ru_oublock);
546 case 'C': /* CPU parallelization factor */
547 if (r1->ru_usamples != 0LL) {
548 long long parr = ((r1->ru_utotal * 100LL) /
550 xprintf("%d.%02d", (int)(parr/100), (int)(parr%100));
555 case 'r': /* PWP: socket messages recieved */
556 xprintf("%ld", r1->ru_msgrcv - r0->ru_msgrcv);
559 case 's': /* PWP: socket messages sent */
560 xprintf("%ld", r1->ru_msgsnd - r0->ru_msgsnd);
563 case 'k': /* PWP: signals received */
564 xprintf("%ld", r1->ru_nsignals - r0->ru_nsignals);
567 case 'w': /* PWP: voluntary context switches (waits) */
568 xprintf("%ld", r1->ru_nvcsw - r0->ru_nvcsw);
571 case 'c': /* PWP: involuntary context switches */
572 xprintf("%ld", r1->ru_nivcsw - r0->ru_nivcsw);
576 case 'W': /* number of swaps */
577 i = r1->ps_swap - r0->ps_swap;
582 xprintf("%ld", r1->ps_maxrss / 2);
586 xprintf("%ld", r1->ps_pagein - r0->ps_pagein);
590 xprintf("%ld", r1->ps_reclaim - r0->ps_reclaim);
594 xprintf("%ld", r1->ps_bread - r0->ps_bread);
598 xprintf("%ld", r1->ps_bwrite - r0->ps_bwrite);
602 xprintf("%ld", r1->ps_signal - r0->ps_signal);
606 xprintf("%ld", r1->ps_volcsw - r0->ps_volcsw);
610 xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw);
614 xprintf("%ld", r1->ps_zerofill - r0->ps_zerofill);
618 xprintf("%ld", r1->ps_pffincr - r0->ps_pffincr);
622 xprintf("%ld", r1->ps_pffdecr - r0->ps_pffdecr);
626 xprintf("%ld", r1->ps_syscall - r0->ps_syscall);
630 xprintf("%ld", r1->ps_lread - r0->ps_lread);
634 xprintf("%ld", r1->ps_lwrite - r0->ps_lwrite);
638 xprintf("%ld", r1->ps_phread - r0->ps_phread);
642 xprintf("%ld", r1->ps_phwrite - r0->ps_phwrite);
644 # endif /* _SEQUENT_ */
645 #endif /* BSDTIMES */
652 #if defined(BSDTIMES) || defined(_SEQUENT_)
660 xprintf("%ld.%03ld", td.tv_sec, td.tv_usec / 1000L);
665 timeval_t *tsum, *t0;
668 tsum->tv_sec += t0->tv_sec;
669 tsum->tv_usec += t0->tv_usec;
670 if (tsum->tv_usec >= 1000000)
671 tsum->tv_sec++, tsum->tv_usec -= 1000000;
676 timeval_t *tdiff, *t1, *t0;
679 tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
680 tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
681 if (tdiff->tv_usec < 0)
682 tdiff->tv_sec--, tdiff->tv_usec += 1000000;
685 #else /* !BSDTIMES && !_SEQUENT_ */
705 val = (eval - bval) * 100 / HZ;
707 val = (eval - bval) * 100 / clk_tck;
710 xprintf("%ld.%02ld", val / 100, val - (val / 100 * 100));
712 #endif /* BSDTIMES || _SEQUENT_ */