1 /* $Header: /p/tcsh/cvsroot/tcsh/sh.time.c,v 3.33 2006/03/02 18:46:44 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. 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
35 RCSID("$tcsh: sh.time.c,v 3.33 2006/03/02 18:46:44 christos Exp $")
38 # include <machine/param.h>
42 * C Shell - routines handling process timing and niceing
46 # define RUSAGE_SELF 0
47 # define RUSAGE_CHILDREN -1
48 # endif /* RUSAGE_SELF */
53 #if !defined(BSDTIMES) && !defined(_SEQUENT_)
55 static void pdtimet (clock_t, clock_t);
57 static void pdtimet (time_t, time_t);
59 #else /* BSDTIMES || _SEQUENT_ */
60 static void tvadd (timeval_t *, timeval_t *);
61 static void pdeltat (timeval_t *, timeval_t *);
62 #endif /* BSDTIMES || _SEQUENT_ */
68 struct sysrusage ruch;
70 memset(&ru0, 0, sizeof(ru0));
71 memset(&ruch, 0, sizeof(ruch));
74 (void) gettimeofday(&time0, NULL);
75 (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru0);
76 (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
80 struct process_stats ruch;
82 (void) get_process_stats(&time0, PS_SELF, &ru0, &ruch);
84 # else /* _SEQUENT_ */
85 seconds0 = time(NULL);
86 time0 = times(×0);
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_ */
96 * dotime is only called if it is truly a builtin function and not a
97 * prefix to another command
101 dotime(Char **v, struct command *c)
105 struct sysrusage ru1, ruch;
107 memset(&ru1, 0, sizeof(ru1));
108 memset(&ruch, 0, sizeof(ruch));
111 (void) getrusage(RUSAGE_SELF, (struct rusage *) &ru1);
112 (void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &ruch);
114 (void) gettimeofday(&timedol, NULL);
115 prusage(&ru0, &ru1, &timedol, &time0);
119 struct process_stats ru1, ruch;
121 (void) get_process_stats(&timedol, PS_SELF, &ru1, &ruch);
123 prusage(&ru0, &ru1, &timedol, &time0);
124 # else /* _SEQUENT_ */
131 struct tms times_dol;
133 timedol = 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(×0, ×_dol, timedol, time0);
139 # endif /* _SEQUENT_ */
140 #endif /* BSDTIMES */
146 * donice is only called when it on the line by itself or with a +- value
150 donice(Char **v, struct command *c)
159 else if (*v == 0 && any("+-", cp[0]))
161 #ifdef HAVE_SETPRIORITY
162 if (setpriority(PRIO_PROCESS, 0, nval) == -1 && errno)
163 stderror(ERR_SYSTEM, "setpriority", strerror(errno));
164 #else /* !HAVE_SETPRIORITY */
166 #endif /* HAVE_SETPRIORITY */
171 ruadd(struct sysrusage *ru, struct sysrusage *ru2)
173 tvadd(&ru->ru_utime, &ru2->ru_utime);
174 tvadd(&ru->ru_stime, &ru2->ru_stime);
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;
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;
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 */
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) */
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? */
248 # define pagetok(size) ((size) << 1)
251 # define pagetok(size) ((size) << (PGSHIFT - LOG1024))
253 # define pagetok(size) ((size) >> (LOG1024 - PGSHIFT))
259 * if any other machines return wierd values in the ru_i* stuff, put
260 * the adjusting macro here:
263 # define IADJUST(i) (pagetok(i)/2)
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)
272 # define IADJUST(i) (i)
277 prusage(struct sysrusage *r0, struct sysrusage *r1, timeval_t *e, timeval_t *b)
282 prusage(struct process_stats *r0, struct process_stats *r1, timeval_t e,
285 # else /* _SEQUENT_ */
288 prusage(struct tms *bs, struct tms *es, time_t e, time_t b)
291 prusage(struct tms *bs, struct tms *es, clock_t e, clock_t b)
293 # endif /* _SEQUENT_ */
294 #endif /* BSDTIMES */
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;
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_ */
313 time_t t = (es->tms_utime - bs->tms_utime +
314 es->tms_stime - bs->tms_stime) * 100 / HZ;
317 clock_t t = (es->tms_utime - bs->tms_utime +
318 es->tms_stime - bs->tms_stime) * 100 / clk_tck;
321 # endif /* _SEQUENT_ */
322 #endif /* BSDTIMES */
326 struct varent *vp = adrof(STRtime);
330 static struct system_information sysinfo;
331 long long memtmp; /* let memory calculations exceede 2Gb */
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 */
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_ */
345 time_t ms = ((time_t)((e - b) / HZ) * 100) +
346 (time_t)(((e - b) % HZ) * 100) / HZ;
348 clock_t ms = ((clock_t)((e - b) / clk_tck) * 100) +
349 (clock_t)(((e - b) % clk_tck) * 100) / clk_tck;
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%
362 if (ms < t && ms != 0)
365 # endif /*! _SEQUENT_ */
366 #endif /* !BSDTIMES */
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);
376 if (vp && vp->vec && vp->vec[0] && vp->vec[1])
377 cp = short2str(vp->vec[1]);
384 case 'U': /* user CPU time used */
386 pdeltat(&r1->ru_utime, &r0->ru_utime);
389 pdeltat(&r1->ps_utime, &r0->ps_utime);
390 # else /* _SEQUENT_ */
392 pdtimet(es->tms_utime, bs->tms_utime);
394 pdtimet(es->tms_utime, bs->tms_utime);
396 # endif /* _SEQUENT_ */
397 #endif /* BSDTIMES */
400 case 'S': /* system CPU time used */
402 pdeltat(&r1->ru_stime, &r0->ru_stime);
405 pdeltat(&r1->ps_stime, &r0->ps_stime);
406 # else /* _SEQUENT_ */
408 pdtimet(es->tms_stime, bs->tms_stime);
410 pdtimet(es->tms_stime, bs->tms_stime);
412 # endif /* _SEQUENT_ */
413 #endif /* BSDTIMES */
416 case 'E': /* elapsed (wall-clock) time */
421 #endif /* BSDTIMES */
424 case 'P': /* percent time spent running */
425 /* check if the process did not run */
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));
436 i = (ms == 0) ? 0 : (long)(t * 1000.0 / ms);
438 xprintf("%ld.%01ld%%", i / 10, i % 10); /* nn.n% */
442 case 'W': /* number of swaps */
446 i = r1->ru_nswap - r0->ru_nswap;
452 case 'X': /* (average) shared text size */
453 memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_ixrss -
454 (long long)r0->ru_ixrss) /
456 xprintf("%lu", (unsigned long)memtmp);
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)) /
465 xprintf("%lu", (unsigned long)memtmp);
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)) /
476 xprintf("%lu", (unsigned long)memtmp);
479 case 'X': /* (average) shared text size */
483 xprintf("%ld", t == 0 ? 0L :
484 IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t);
488 case 'D': /* (average) unshared data size */
492 xprintf("%ld", t == 0 ? 0L :
493 IADJUST(r1->ru_idrss + r1->ru_isrss -
494 (r0->ru_idrss + r0->ru_isrss)) / t);
498 case 'K': /* (average) total data memory used */
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);
508 case 'M': /* max. Resident Set Size */
510 xprintf("%ld", pagetok(r1->ru_maxrss));
513 xprintf("%ld", r1->ru_maxrss * 4L);
518 xprintf("%ld", r1->ru_maxrss / 2L);
524 case 'F': /* page faults */
528 xprintf("%ld", r1->ru_majflt - r0->ru_majflt);
532 case 'R': /* page reclaims */
536 xprintf("%ld", r1->ru_minflt - r0->ru_minflt);
540 case 'I': /* FS blocks in */
544 xprintf("%ld", r1->ru_inblock - r0->ru_inblock);
548 case 'O': /* FS blocks out */
552 xprintf("%ld", r1->ru_oublock - r0->ru_oublock);
557 case 'C': /* CPU parallelization factor */
558 if (r1->ru_usamples != 0LL) {
559 long long parr = ((r1->ru_utotal * 100LL) /
561 xprintf("%d.%02d", (int)(parr/100), (int)(parr%100));
566 case 'r': /* PWP: socket messages recieved */
570 xprintf("%ld", r1->ru_msgrcv - r0->ru_msgrcv);
574 case 's': /* PWP: socket messages sent */
578 xprintf("%ld", r1->ru_msgsnd - r0->ru_msgsnd);
582 case 'k': /* PWP: signals received */
586 xprintf("%ld", r1->ru_nsignals - r0->ru_nsignals);
590 case 'w': /* PWP: voluntary context switches (waits) */
594 xprintf("%ld", r1->ru_nvcsw - r0->ru_nvcsw);
598 case 'c': /* PWP: involuntary context switches */
602 xprintf("%ld", r1->ru_nivcsw - r0->ru_nivcsw);
607 case 'W': /* number of swaps */
608 i = r1->ps_swap - r0->ps_swap;
613 xprintf("%ld", r1->ps_maxrss / 2);
617 xprintf("%ld", r1->ps_pagein - r0->ps_pagein);
621 xprintf("%ld", r1->ps_reclaim - r0->ps_reclaim);
625 xprintf("%ld", r1->ps_bread - r0->ps_bread);
629 xprintf("%ld", r1->ps_bwrite - r0->ps_bwrite);
633 xprintf("%ld", r1->ps_signal - r0->ps_signal);
637 xprintf("%ld", r1->ps_volcsw - r0->ps_volcsw);
641 xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw);
645 xprintf("%ld", r1->ps_zerofill - r0->ps_zerofill);
649 xprintf("%ld", r1->ps_pffincr - r0->ps_pffincr);
653 xprintf("%ld", r1->ps_pffdecr - r0->ps_pffdecr);
657 xprintf("%ld", r1->ps_syscall - r0->ps_syscall);
661 xprintf("%ld", r1->ps_lread - r0->ps_lread);
665 xprintf("%ld", r1->ps_lwrite - r0->ps_lwrite);
669 xprintf("%ld", r1->ps_phread - r0->ps_phread);
673 xprintf("%ld", r1->ps_phwrite - r0->ps_phwrite);
675 # endif /* _SEQUENT_ */
676 #endif /* BSDTIMES */
683 #if defined(BSDTIMES) || defined(_SEQUENT_)
685 pdeltat(timeval_t *t1, timeval_t *t0)
690 xprintf("%ld.%03ld", td.tv_sec, td.tv_usec / 1000L);
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;
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_ */
716 pdtimet(time_t eval, time_t bval)
719 pdtimet(clock_t eval, clock_t bval)
732 val = (eval - bval) * 100 / HZ;
734 val = (eval - bval) * 100 / clk_tck;
737 xprintf("%ld.%02ld", val / 100, val - (val / 100 * 100));
739 #endif /* BSDTIMES || _SEQUENT_ */