2.11BSD/src/bin/tcsh/sh.time.c
/* $Header: /home/hyperion/mu/christos/src/sys/tcsh-6.00/RCS/sh.time.c,v 3.0 1991/07/04 21:49:28 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"
#if !defined(lint) && !defined(pdp11)
static char *rcsid()
{ return "$Id: sh.time.c,v 3.0 1991/07/04 21:49:28 christos Exp $"; }
#endif
#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((tmval_t *, tmval_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 pro_stats ruch;
(void) get_pro_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
*/
void
dotime()
{
#ifdef BSDTIMES
tmval_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_
tmval_t timedol;
struct pro_stats ru1, ruch;
(void) get_pro_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
*/
void
donice(v)
register Char **v;
{
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);
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;
}
#else /* BSDTIMES */
# ifdef _SEQUENT_
void
ruadd(ru, ru2)
register struct pro_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;
tmval_t *e, *b;
#else /* BSDTIMES */
# ifdef _SEQUENT_
void
prusage(r0, r1, e, b)
register struct pro_stats *r0, *r1;
tmval_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
#ifdef pdp11
long ms =
#else
int ms =
#endif
(e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000;
#ifdef pdp11
cp = "%Uu %Ss %E %P %I+%Oio %Vov %Wsw";
#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;
#ifdef BSDTIMES
#ifdef pdp11
case 'V':
xprintf("%ld", r1->ru_ovly - r0->ru_ovly);
break;
#endif
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)
tmval_t *t1, *t0;
{
tmval_t td;
tvsub(&td, t1, t0);
xprintf("%d.%01d", td.tv_sec, td.tv_usec / 100000);
}
void
tvadd(tsum, t0)
tmval_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)
tmval_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_ */