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| Current File : //usr/src/contrib/tcsh/sh.time.c |
/* $Header: /p/tcsh/cvsroot/tcsh/sh.time.c,v 3.35 2010/12/09 15:39:29 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. 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 "sh.h"
RCSID("$tcsh: sh.time.c,v 3.35 2010/12/09 15:39:29 christos Exp $")
#ifdef SUNOS4
# include <machine/param.h>
#endif /* SUNOS4 */
/*
* 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 (clock_t, clock_t);
# else /* ! POSIX */
static void pdtimet (time_t, time_t);
# endif /* ! POSIX */
#else /* BSDTIMES || _SEQUENT_ */
static void tvadd (timeval_t *, timeval_t *);
static void pdeltat (timeval_t *, timeval_t *);
#endif /* BSDTIMES || _SEQUENT_ */
void
settimes(void)
{
#ifdef BSDTIMES
struct sysrusage ruch;
#ifdef convex
memset(&ru0, 0, sizeof(ru0));
memset(&ruch, 0, sizeof(ruch));
#endif /* convex */
(void) gettimeofday(&time0, NULL);
(void) getrusage(RUSAGE_SELF, (struct rusage *) &ru0);
(void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &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_ */
seconds0 = time(NULL);
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(Char **v, struct command *c)
{
#ifdef BSDTIMES
timeval_t timedol;
struct sysrusage ru1, ruch;
#ifdef convex
memset(&ru1, 0, sizeof(ru1));
memset(&ruch, 0, sizeof(ruch));
#endif /* convex */
(void) getrusage(RUSAGE_SELF, (struct rusage *) &ru1);
(void) getrusage(RUSAGE_CHILDREN, (struct rusage *) &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 */
USE(c);
USE(v);
}
/*
* donice is only called when it on the line by itself or with a +- value
*/
/*ARGSUSED*/
void
donice(Char **v, struct command *c)
{
Char *cp;
int nval = 0;
USE(c);
v++, cp = *v++;
if (cp == 0)
nval = 4;
else if (*v == 0 && any("+-", cp[0]))
nval = getn(cp);
#ifdef HAVE_SETPRIORITY
if (setpriority(PRIO_PROCESS, 0, nval) == -1 && errno)
stderror(ERR_SYSTEM, "setpriority", strerror(errno));
#else /* !HAVE_SETPRIORITY */
(void) nice(nval);
#endif /* HAVE_SETPRIORITY */
}
#ifdef BSDTIMES
void
ruadd(struct sysrusage *ru, struct sysrusage *ru2)
{
tvadd(&ru->ru_utime, &ru2->ru_utime);
tvadd(&ru->ru_stime, &ru2->ru_stime);
#ifndef _OSD_POSIX
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 /*bs2000*/
# ifdef convex
tvadd(&ru->ru_exutime, &ru2->ru_exutime);
ru->ru_utotal += ru2->ru_utotal;
ru->ru_usamples += ru2->ru_usamples;
ru->ru_stotal += ru2->ru_stotal;
ru->ru_ssamples += ru2->ru_ssamples;
# endif /* convex */
}
#else /* BSDTIMES */
# ifdef _SEQUENT_
void
ruadd(struct process_stats *ru, struct process_stats *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? */
#ifdef SUNOS4
# 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
#endif
/*
* if any other machines return wierd values in the ru_i* stuff, put
* the adjusting macro here:
*/
#ifdef SUNOS4
# define IADJUST(i) (pagetok(i)/2)
#else /* SUNOS4 */
# ifdef convex
/*
* convex has megabytes * CLK_TCK
* multiply by 100 since we use time in 100ths of a second in prusage
*/
# define IADJUST(i) (((i) << 10) / CLK_TCK * 100)
# else /* convex */
# define IADJUST(i) (i)
# endif /* convex */
#endif /* SUNOS4 */
void
prusage(struct sysrusage *r0, struct sysrusage *r1, timeval_t *e, timeval_t *b)
#else /* BSDTIMES */
# ifdef _SEQUENT_
void
prusage(struct process_stats *r0, struct process_stats *r1, timeval_t e,
timeval_t b)
# else /* _SEQUENT_ */
# ifndef POSIX
void
prusage(struct tms *bs, struct tms *es, time_t e, time_t b)
# else /* POSIX */
void
prusage(struct tms *bs, struct tms *es, clock_t e, clock_t b)
# endif /* POSIX */
# endif /* _SEQUENT_ */
#endif /* BSDTIMES */
{
#ifdef BSDTIMES
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_
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
time_t t = (es->tms_utime - bs->tms_utime +
es->tms_stime - bs->tms_stime) * 100 / HZ;
# else /* POSIX */
clock_t t = (es->tms_utime - bs->tms_utime +
es->tms_stime - bs->tms_stime) * 100 / clk_tck;
# endif /* POSIX */
# endif /* _SEQUENT_ */
#endif /* BSDTIMES */
const char *cp;
long i;
struct varent *vp = adrof(STRtime);
#ifdef BSDTIMES
# ifdef convex
static struct system_information sysinfo;
long long memtmp; /* let memory calculations exceede 2Gb */
# endif /* convex */
int ms = (int)
((e->tv_sec - b->tv_sec) * 100 + (e->tv_usec - b->tv_usec) / 10000);
cp = "%Uu %Ss %E %P %X+%Dk %I+%Oio %Fpf+%Ww";
#else /* !BSDTIMES */
# ifdef _SEQUENT_
int ms = (int)
((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 = ((time_t)((e - b) / HZ) * 100) +
(time_t)(((e - b) % HZ) * 100) / HZ;
# else /* POSIX */
clock_t ms = ((clock_t)((e - b) / clk_tck) * 100) +
(clock_t)(((e - b) % clk_tck) * 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 0
if (ms < t && ms != 0)
ms = t;
# endif
# endif /*! _SEQUENT_ */
#endif /* !BSDTIMES */
#ifdef TDEBUG
xprintf("es->tms_utime %lu bs->tms_utime %lu\n",
(unsigned long)es->tms_utime, (unsigned long)bs->tms_utime);
xprintf("es->tms_stime %lu bs->tms_stime %lu\n",
(unsigned long)es->tms_stime, (unsigned long)bs->tms_stime);
xprintf("ms %llu e %p b %p\n", (unsigned long long)ms, e, b);
xprintf("t %llu\n", (unsigned long long)t);
#endif /* TDEBUG */
if (vp && vp->vec && 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 */
#ifdef convex
/*
* scale the cpu %- ages by the number of processors
* available on this machine
*/
if ((sysinfo.cpu_count == 0) &&
(getsysinfo(SYSINFO_SIZE, &sysinfo) < 0))
sysinfo.cpu_count = 1;
i = (ms == 0) ? 0 : (t * 1000.0 / (ms * sysinfo.cpu_count));
#else /* convex */
i = (ms == 0) ? 0 : (long)(t * 1000.0 / ms);
#endif /* convex */
xprintf("%ld.%01ld%%", i / 10, i % 10); /* nn.n% */
break;
#ifdef BSDTIMES
case 'W': /* number of swaps */
#ifdef _OSD_POSIX
i = 0;
#else
i = r1->ru_nswap - r0->ru_nswap;
#endif
xprintf("%ld", i);
break;
#ifdef convex
case 'X': /* (average) shared text size */
memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_ixrss -
(long long)r0->ru_ixrss) /
(long long)t);
xprintf("%lu", (unsigned long)memtmp);
break;
case 'D': /* (average) unshared data size */
memtmp = (t == 0 ? 0LL : IADJUST((long long)r1->ru_idrss +
(long long)r1->ru_isrss -
((long long)r0->ru_idrss +
(long long)r0->ru_isrss)) /
(long long)t);
xprintf("%lu", (unsigned long)memtmp);
break;
case 'K': /* (average) total data memory used */
memtmp = (t == 0 ? 0LL : IADJUST(((long long)r1->ru_ixrss +
(long long)r1->ru_isrss +
(long long)r1->ru_idrss) -
((long long)r0->ru_ixrss +
(long long)r0->ru_idrss +
(long long)r0->ru_isrss)) /
(long long)t);
xprintf("%lu", (unsigned long)memtmp);
break;
#else /* !convex */
case 'X': /* (average) shared text size */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%lld", (long long)(t == 0 ? 0L :
IADJUST(r1->ru_ixrss - r0->ru_ixrss) / t));
#endif
break;
case 'D': /* (average) unshared data size */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%lld", (long long)(t == 0 ? 0L :
IADJUST(r1->ru_idrss + r1->ru_isrss -
(r0->ru_idrss + r0->ru_isrss)) / t));
#endif
break;
case 'K': /* (average) total data memory used */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%lld", (long long)(t == 0 ? 0L :
IADJUST((r1->ru_ixrss + r1->ru_isrss + r1->ru_idrss) -
(r0->ru_ixrss + r0->ru_idrss + r0->ru_isrss)) / t));
#endif
break;
#endif /* convex */
case 'M': /* max. Resident Set Size */
#ifdef SUNOS4
xprintf("%ld", (long)pagetok(r1->ru_maxrss));
#else
# ifdef convex
xprintf("%ld", (long)(r1->ru_maxrss * 4L));
# else /* !convex */
# ifdef _OSD_POSIX
xprintf("0",0);
# else
xprintf("%ld", (long)r1->ru_maxrss);
# endif
# endif /* convex */
#endif /* SUNOS4 */
break;
case 'F': /* page faults */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_majflt - r0->ru_majflt));
#endif
break;
case 'R': /* page reclaims */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_minflt - r0->ru_minflt));
#endif
break;
case 'I': /* FS blocks in */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_inblock - r0->ru_inblock));
#endif
break;
case 'O': /* FS blocks out */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_oublock - r0->ru_oublock));
#endif
break;
# ifdef convex
case 'C': /* CPU parallelization factor */
if (r1->ru_usamples != 0LL) {
long long parr = ((r1->ru_utotal * 100LL) /
r1->ru_usamples);
xprintf("%d.%02d", (int)(parr/100), (int)(parr%100));
} else
xprintf("?");
break;
# endif /* convex */
case 'r': /* PWP: socket messages recieved */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_msgrcv - r0->ru_msgrcv));
#endif
break;
case 's': /* PWP: socket messages sent */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_msgsnd - r0->ru_msgsnd));
#endif
break;
case 'k': /* PWP: signals received */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_nsignals - r0->ru_nsignals));
#endif
break;
case 'w': /* PWP: voluntary context switches (waits) */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_nvcsw - r0->ru_nvcsw));
#endif
break;
case 'c': /* PWP: involuntary context switches */
#ifdef _OSD_POSIX
xprintf("0",0);
#else
xprintf("%ld", (long)(r1->ru_nivcsw - r0->ru_nivcsw));
#endif
break;
#else /* BSDTIMES */
# ifdef _SEQUENT_
case 'W': /* number of swaps */
i = r1->ps_swap - r0->ps_swap;
xprintf("%ld", (long)i);
break;
case 'M':
xprintf("%ld", (long)r1->ps_maxrss);
break;
case 'F':
xprintf("%ld", (long)(r1->ps_pagein - r0->ps_pagein));
break;
case 'R':
xprintf("%ld", (long)(r1->ps_reclaim - r0->ps_reclaim));
break;
case 'I':
xprintf("%ld", (long)(r1->ps_bread - r0->ps_bread));
break;
case 'O':
xprintf("%ld", (long)(r1->ps_bwrite - r0->ps_bwrite));
break;
case 'k':
xprintf("%ld", (long)(r1->ps_signal - r0->ps_signal));
break;
case 'w':
xprintf("%ld", (long)(r1->ps_volcsw - r0->ps_volcsw));
break;
case 'c':
xprintf("%ld", r1->ps_involcsw - r0->ps_involcsw);
break;
case 'Z':
xprintf("%ld", (long)(r1->ps_zerofill - r0->ps_zerofill));
break;
case 'i':
xprintf("%ld", (long)(r1->ps_pffincr - r0->ps_pffincr));
break;
case 'd':
xprintf("%ld", (long)(r1->ps_pffdecr - r0->ps_pffdecr));
break;
case 'Y':
xprintf("%ld", (long)(r1->ps_syscall - r0->ps_syscall));
break;
case 'l':
xprintf("%ld", (long)(r1->ps_lread - r0->ps_lread));
break;
case 'm':
xprintf("%ld", (long)(r1->ps_lwrite - r0->ps_lwrite));
break;
case 'p':
xprintf("%ld", (long)(r1->ps_phread - r0->ps_phread));
break;
case 'q':
xprintf("%ld", (long)(r1->ps_phwrite - r0->ps_phwrite));
break;
# endif /* _SEQUENT_ */
#endif /* BSDTIMES */
default:
break;
}
xputchar('\n');
}
#if defined(BSDTIMES) || defined(_SEQUENT_)
static void
pdeltat(timeval_t *t1, timeval_t *t0)
{
timeval_t td;
tvsub(&td, t1, t0);
xprintf("%lld.%03ld", (long long)td.tv_sec, (long)td.tv_usec / 1000L);
}
static void
tvadd(timeval_t *tsum, timeval_t *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(timeval_t *tdiff, timeval_t *t1, timeval_t *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
#ifndef POSIX
pdtimet(time_t eval, time_t bval)
#else /* POSIX */
pdtimet(clock_t eval, clock_t 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("%lld.%02ld", (long long)(val / 100),
(long long)(val - (val / 100 * 100)));
}
#endif /* BSDTIMES || _SEQUENT_ */