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- /* $Header: /home/hyperion/mu/christos/src/sys/tcsh-6.00/RCS/sh.time.c,v 3.1 1991/07/15 19:37:24 christos Exp $ */
- /*
- * sh.time.c: Shell time keeping and printing.
- */
- /*-
- * Copyright (c) 1980, 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #include "config.h"
- RCSID("$Id: sh.time.c,v 3.1 1991/07/15 19:37:24 christos Exp $")
-
- #include "sh.h"
- #if defined(sun) && ! defined(MACH)
- # include <machine/param.h>
- #endif /* sun */
-
- /*
- * C Shell - routines handling process timing and niceing
- */
- #ifdef BSDTIMES
- # ifndef RUSAGE_SELF
- # define RUSAGE_SELF 0
- # define RUSAGE_CHILDREN -1
- # endif /* RUSAGE_SELF */
- #else /* BSDTIMES */
- struct tms times0;
-
- #endif /* BSDTIMES */
-
- #if !defined(BSDTIMES) && !defined(_SEQUENT_)
- #ifdef POSIX
- static void pdtimet __P((clock_t, clock_t));
- #else /* POSIX */
- static void pdtimet __P((time_t, time_t));
- #endif /* POSIX */
- #else
- static void pdeltat __P((timeval_t *, timeval_t *));
- #endif
-
- void
- settimes()
- {
- #ifdef BSDTIMES
- struct rusage ruch;
-
- (void) gettimeofday(&time0, NULL);
- (void) getrusage(RUSAGE_SELF, &ru0);
- (void) getrusage(RUSAGE_CHILDREN, &ruch);
- ruadd(&ru0, &ruch);
- #else
- # ifdef _SEQUENT_
- struct process_stats ruch;
-
- (void) get_process_stats(&time0, PS_SELF, &ru0, &ruch);
- ruadd(&ru0, &ruch);
- # else /* _SEQUENT_ */
- time0 = times(×0);
- times0.tms_stime += times0.tms_cstime;
- times0.tms_utime += times0.tms_cutime;
- times0.tms_cstime = 0;
- times0.tms_cutime = 0;
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
- }
-
- /*
- * dotime is only called if it is truly a builtin function and not a
- * prefix to another command
- */
- /*ARGSUSED*/
- void
- dotime(v, c)
- Char **v;
- struct command *c;
- {
- #ifdef BSDTIMES
- timeval_t timedol;
- struct rusage ru1, ruch;
-
- (void) getrusage(RUSAGE_SELF, &ru1);
- (void) getrusage(RUSAGE_CHILDREN, &ruch);
- ruadd(&ru1, &ruch);
- (void) gettimeofday(&timedol, NULL);
- prusage(&ru0, &ru1, &timedol, &time0);
- #else
- # ifdef _SEQUENT_
- timeval_t timedol;
- struct process_stats ru1, ruch;
-
- (void) get_process_stats(&timedol, PS_SELF, &ru1, &ruch);
- ruadd(&ru1, &ruch);
- prusage(&ru0, &ru1, &timedol, &time0);
- # else /* _SEQUENT_ */
- # ifndef POSIX
- time_t timedol;
- # else /* POSIX */
- clock_t timedol;
- # endif /* POSIX */
-
- struct tms times_dol;
-
- timedol = times(×_dol);
- times_dol.tms_stime += times_dol.tms_cstime;
- times_dol.tms_utime += times_dol.tms_cutime;
- times_dol.tms_cstime = 0;
- times_dol.tms_cutime = 0;
- prusage(×0, ×_dol, timedol, time0);
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
- }
-
- /*
- * donice is only called when it on the line by itself or with a +- value
- */
- /*ARGSUSED*/
- void
- donice(v, c)
- register Char **v;
- struct command *c;
- {
- register Char *cp;
- int nval = 0;
-
- v++, cp = *v++;
- if (cp == 0)
- nval = 4;
- else if (*v == 0 && any("+-", cp[0]))
- nval = getn(cp);
- #ifdef BSDNICE
- (void) setpriority(PRIO_PROCESS, 0, nval);
- #else /* BSDNICE */
- (void) nice(nval);
- #endif /* BSDNICE */
- }
-
- #ifdef BSDTIMES
- void
- ruadd(ru, ru2)
- register struct rusage *ru, *ru2;
- {
- tvadd(&ru->ru_utime, &ru2->ru_utime);
- tvadd(&ru->ru_stime, &ru2->ru_stime);
- #ifndef __MINT__
- if (ru2->ru_maxrss > ru->ru_maxrss)
- ru->ru_maxrss = ru2->ru_maxrss;
-
- ru->ru_ixrss += ru2->ru_ixrss;
- ru->ru_idrss += ru2->ru_idrss;
- ru->ru_isrss += ru2->ru_isrss;
- ru->ru_minflt += ru2->ru_minflt;
- ru->ru_majflt += ru2->ru_majflt;
- ru->ru_nswap += ru2->ru_nswap;
- ru->ru_inblock += ru2->ru_inblock;
- ru->ru_oublock += ru2->ru_oublock;
- ru->ru_msgsnd += ru2->ru_msgsnd;
- ru->ru_msgrcv += ru2->ru_msgrcv;
- ru->ru_nsignals += ru2->ru_nsignals;
- ru->ru_nvcsw += ru2->ru_nvcsw;
- ru->ru_nivcsw += ru2->ru_nivcsw;
- #endif /* __MINT__ */
- }
-
- #else /* BSDTIMES */
- # ifdef _SEQUENT_
- void
- ruadd(ru, ru2)
- register struct process_stats *ru, *ru2;
- {
- tvadd(&ru->ps_utime, &ru2->ps_utime);
- tvadd(&ru->ps_stime, &ru2->ps_stime);
- if (ru2->ps_maxrss > ru->ps_maxrss)
- ru->ps_maxrss = ru2->ps_maxrss;
-
- ru->ps_pagein += ru2->ps_pagein;
- ru->ps_reclaim += ru2->ps_reclaim;
- ru->ps_zerofill += ru2->ps_zerofill;
- ru->ps_pffincr += ru2->ps_pffincr;
- ru->ps_pffdecr += ru2->ps_pffdecr;
- ru->ps_swap += ru2->ps_swap;
- ru->ps_syscall += ru2->ps_syscall;
- ru->ps_volcsw += ru2->ps_volcsw;
- ru->ps_involcsw += ru2->ps_involcsw;
- ru->ps_signal += ru2->ps_signal;
- ru->ps_lread += ru2->ps_lread;
- ru->ps_lwrite += ru2->ps_lwrite;
- ru->ps_bread += ru2->ps_bread;
- ru->ps_bwrite += ru2->ps_bwrite;
- ru->ps_phread += ru2->ps_phread;
- ru->ps_phwrite += ru2->ps_phwrite;
- }
-
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
-
- #ifdef BSDTIMES
-
- /*
- * PWP: the LOG1024 and pagetok stuff taken from the top command,
- * written by William LeFebvre
- */
- /* Log base 2 of 1024 is 10 (2^10 == 1024) */
- #define LOG1024 10
-
- /* Convert clicks (kernel pages) to kbytes ... */
- /* If there is no PGSHIFT defined, assume it is 11 */
- /* Is this needed for compatability with some old flavor of 4.2 or 4.1? */
- #ifndef PGSHIFT
- # define pagetok(size) ((size) << 1)
- #else
- # if PGSHIFT>10
- # define pagetok(size) ((size) << (PGSHIFT - LOG1024))
- # else
- # define pagetok(size) ((size) >> (LOG1024 - PGSHIFT))
- # endif
- #endif
-
- /*
- * if any other machines return wierd values in the ru_i* stuff, put
- * the adjusting macro here:
- */
- #ifdef sun
- # define IADJUST(i) (pagetok(i)/2)
- #else /* sun */
- # define IADJUST(i) (i)
- #endif /* sun */
-
- void
- prusage(r0, r1, e, b)
- register struct rusage *r0, *r1;
- timeval_t *e, *b;
-
- #else /* BSDTIMES */
- # ifdef _SEQUENT_
- void
- prusage(r0, r1, e, b)
- register struct process_stats *r0, *r1;
- timeval_t *e, *b;
-
- # else /* _SEQUENT_ */
- void
- prusage(bs, es, e, b)
- struct tms *bs, *es;
-
- # ifndef POSIX
- time_t e, b;
-
- # else /* POSIX */
- clock_t e, b;
-
- # endif /* POSIX */
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
- {
- #ifdef BSDTIMES
- register time_t t =
- (r1->ru_utime.tv_sec - r0->ru_utime.tv_sec) * 100 +
- (r1->ru_utime.tv_usec - r0->ru_utime.tv_usec) / 10000 +
- (r1->ru_stime.tv_sec - r0->ru_stime.tv_sec) * 100 +
- (r1->ru_stime.tv_usec - r0->ru_stime.tv_usec) / 10000;
-
- #else
- # ifdef _SEQUENT_
- register time_t t =
- (r1->ps_utime.tv_sec - r0->ps_utime.tv_sec) * 100 +
- (r1->ps_utime.tv_usec - r0->ps_utime.tv_usec) / 10000 +
- (r1->ps_stime.tv_sec - r0->ps_stime.tv_sec) * 100 +
- (r1->ps_stime.tv_usec - r0->ps_stime.tv_usec) / 10000;
-
- # else /* _SEQUENT_ */
- # ifndef POSIX
- register time_t t = (es->tms_utime - bs->tms_utime +
- es->tms_stime - bs->tms_stime) * 100 / HZ;
-
- # else /* POSIX */
- register clock_t t = (es->tms_utime - bs->tms_utime +
- es->tms_stime - bs->tms_stime) * 100 / CLK_TCK;
-
- # endif /* POSIX */
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
-
- register char *cp;
- register long i;
- register struct varent *vp = adrof(STRtime);
-
- #ifdef BSDTIMES
- int ms =
- (e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000;
-
- # ifdef __MINT__
- cp = "%Uu %Ss %E %P";
- # else
- cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww";
- # endif
- #else
- # ifdef _SEQUENT_
- int ms =
- (e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000;
-
- cp = "%Uu %Ss %E %P %I+%Oio %Fpf+%Ww";
- # else /* _SEQUENT_ */
- # ifndef POSIX
- time_t ms = (e - b) * 100 / HZ;
-
- # else /* POSIX */
- clock_t ms = (e - b) * 100 / CLK_TCK;
-
- # endif /* POSIX */
- cp = "%Uu %Ss %E %P";
-
- /*
- * the tms stuff is not very precise, so we fudge it.
- * granularity fix: can't be more than 100%
- * this breaks in multi-processor systems...
- * maybe I should take it out and let people see more then 100%
- * utilizations.
- */
- if (ms < t && ms != 0)
- ms = t;
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
- #ifdef TDEBUG
- xprintf("es->tms_utime %lu bs->tms_utime %lu\n",
- es->tms_utime, bs->tms_utime);
- xprintf("es->tms_stime %lu bs->tms_stime %lu\n",
- es->tms_stime, bs->tms_stime);
- xprintf("ms %lu e %lu b %lu\n", ms, e, b);
- xprintf("t %lu\n", t);
- #endif /* TDEBUG */
-
- if (vp && vp->vec[0] && vp->vec[1])
- cp = short2str(vp->vec[1]);
- for (; *cp; cp++)
- if (*cp != '%')
- xputchar(*cp);
- else if (cp[1])
- switch (*++cp) {
-
- case 'U': /* user CPU time used */
- #ifdef BSDTIMES
- pdeltat(&r1->ru_utime, &r0->ru_utime);
- #else
- # ifdef _SEQUENT_
- pdeltat(&r1->ps_utime, &r0->ps_utime);
- # else /* _SEQUENT_ */
- # ifndef POSIX
- pdtimet(es->tms_utime, bs->tms_utime);
- # else /* POSIX */
- pdtimet(es->tms_utime, bs->tms_utime);
- # endif /* POSIX */
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
- break;
-
- case 'S': /* system CPU time used */
- #ifdef BSDTIMES
- pdeltat(&r1->ru_stime, &r0->ru_stime);
- #else
- # ifdef _SEQUENT_
- pdeltat(&r1->ps_stime, &r0->ps_stime);
- # else /* _SEQUENT_ */
- # ifndef POSIX
- pdtimet(es->tms_stime, bs->tms_stime);
- # else /* POSIX */
- pdtimet(es->tms_stime, bs->tms_stime);
- # endif /* POSIX */
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
- break;
-
- case 'E': /* elapsed (wall-clock) time */
- #ifdef BSDTIMES
- pcsecs((long) ms);
- #else /* BSDTIMES */
- pcsecs(ms);
- #endif /* BSDTIMES */
- break;
-
- case 'P': /* percent time spent running */
- /* check if the process did not run */
- i = (ms == 0) ? 0 : (t * 1000 / ms);
- xprintf("%ld.%01ld%%", i / 10, i % 10); /* nn.n% */
- break;
-
- #if defined(BSDTIMES) && !defined(__MINT__)
- case 'W': /* number of swaps */
- i = r1->ru_nswap - r0->ru_nswap;
- xprintf("%ld", i);
- break;
-
- case 'X': /* (average) shared text size */
- xprintf("%ld", t == 0 ? 0L :
- IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t);
- break;
-
- case 'D': /* (average) unshared data size */
- xprintf("%ld", t == 0 ? 0L :
- IADJUST(r1->ru_idrss + r1->ru_isrss -
- (r0->ru_idrss + r0->ru_isrss)) / t);
- break;
-
- case 'K': /* (average) total data memory used */
- xprintf("%ld", t == 0 ? 0L :
- IADJUST((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss) -
- (r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss)) / t);
- break;
-
- case 'M': /* max. Resident Set Size */
- #ifdef sun
- /* xprintf("%ld", r1->ru_maxrss * 1024L/(long) getpagesize()); */
- xprintf("%ld", pagetok(r1->ru_maxrss));
- #else
- xprintf("%ld", r1->ru_maxrss / 2L);
- #endif /* sun */
- break;
-
- case 'F': /* page faults */
- xprintf("%ld", r1->ru_majflt - r0->ru_majflt);
- break;
-
- case 'R': /* page reclaims */
- xprintf("%ld", r1->ru_minflt - r0->ru_minflt);
- break;
-
- case 'I': /* FS blocks in */
- xprintf("%ld", r1->ru_inblock - r0->ru_inblock);
- break;
-
- case 'O': /* FS blocks out */
- xprintf("%ld", r1->ru_oublock - r0->ru_oublock);
- break;
-
- case 'r': /* PWP: socket messages recieved */
- xprintf("%ld", r1->ru_msgrcv - r0->ru_msgrcv);
- break;
-
- case 's': /* PWP: socket messages sent */
- xprintf("%ld", r1->ru_msgsnd - r0->ru_msgsnd);
- break;
-
- case 'k': /* PWP: number of signals recieved */
- xprintf("%ld", r1->ru_nsignals - r0->ru_nsignals);
- break;
-
- case 'w': /* PWP: num. voluntary context switches (waits) */
- xprintf("%ld", r1->ru_nvcsw - r0->ru_nvcsw);
- break;
-
- case 'c': /* PWP: num. involuntary context switches */
- xprintf("%ld", r1->ru_nivcsw - r0->ru_nivcsw);
- break;
- #else /* BSDTIMES */
- # ifdef _SEQUENT_
- case 'W': /* number of swaps */
- i = r1->ps_swap - r0->ps_swap;
- xprintf("%ld", i);
- break;
-
- case 'M':
- xprintf("%ld", r1->ps_maxrss / 2);
- break;
-
- case 'F':
- xprintf("%ld", r1->ps_pagein - r0->ps_pagein);
- break;
-
- case 'R':
- xprintf("%ld", r1->ps_reclaim - r0->ps_reclaim);
- break;
-
- case 'I':
- xprintf("%ld", r1->ps_bread - r0->ps_bread);
- break;
-
- case 'O':
- xprintf("%ld", r1->ps_bwrite - r0->ps_bwrite);
- break;
-
- case 'k':
- xprintf("%ld", r1->ps_signal - r0->ps_signal);
- break;
-
- case 'w':
- xprintf("%ld", r1->ps_volcsw - r0->ps_volcsw);
- break;
-
- case 'c':
- xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw);
- break;
-
- case 'Z':
- xprintf("%ld", r1->ps_zerofill - r0->ps_zerofill);
- break;
-
- case 'i':
- xprintf("%ld", r1->ps_pffincr - r0->ps_pffincr);
- break;
-
- case 'd':
- xprintf("%ld", r1->ps_pffdecr - r0->ps_pffdecr);
- break;
-
- case 'Y':
- xprintf("%ld", r1->ps_syscall - r0->ps_syscall);
- break;
-
- case 'l':
- xprintf("%ld", r1->ps_lread - r0->ps_lread);
- break;
-
- case 'm':
- xprintf("%ld", r1->ps_lwrite - r0->ps_lwrite);
- break;
-
- case 'p':
- xprintf("%ld", r1->ps_phread - r0->ps_phread);
- break;
-
- case 'q':
- xprintf("%ld", r1->ps_phwrite - r0->ps_phwrite);
- break;
- # endif /* _SEQUENT_ */
- #endif /* BSDTIMES */
- }
- xputchar('\n');
- }
-
- #if defined(BSDTIMES) || defined(_SEQUENT_)
- static void
- pdeltat(t1, t0)
- timeval_t *t1, *t0;
- {
- timeval_t td;
-
- tvsub(&td, t1, t0);
- xprintf("%d.%01d", td.tv_sec, td.tv_usec / 100000);
- }
-
- void
- tvadd(tsum, t0)
- timeval_t *tsum, *t0;
- {
-
- tsum->tv_sec += t0->tv_sec;
- tsum->tv_usec += t0->tv_usec;
- if (tsum->tv_usec > 1000000)
- tsum->tv_sec++, tsum->tv_usec -= 1000000;
- }
-
- void
- tvsub(tdiff, t1, t0)
- timeval_t *tdiff, *t1, *t0;
- {
-
- tdiff->tv_sec = t1->tv_sec - t0->tv_sec;
- tdiff->tv_usec = t1->tv_usec - t0->tv_usec;
- if (tdiff->tv_usec < 0)
- tdiff->tv_sec--, tdiff->tv_usec += 1000000;
- }
-
- #else /* !BSDTIMES && !_SEQUENT_ */
- static void
- pdtimet(eval, bval)
- #ifndef POSIX
- time_t eval, bval;
-
- #else /* POSIX */
- clock_t eval, bval;
-
- #endif /* POSIX */
- {
- #ifndef POSIX
- time_t val;
-
- #else /* POSIX */
- clock_t val;
-
- #endif /* POSIX */
-
- #ifndef POSIX
- val = (eval - bval) * 100 / HZ;
- #else /* POSIX */
- val = (eval - bval) * 100 / CLK_TCK;
- #endif /* POSIX */
-
- xprintf("%ld.%02ld", val / 100, val - (val / 100 * 100));
- }
-
- #endif /* BSDTIMES || _SEQUENT_ */
-