322 lines
8.2 KiB
C
322 lines
8.2 KiB
C
/*-
|
|
* Copyright (c) 1980, 1991, 1993
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)time.c 8.1 (Berkeley) 5/31/93";
|
|
#else
|
|
static const char rcsid[] =
|
|
"$Id: time.c,v 1.8 1997/08/07 21:42:17 steve Exp $";
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#if __STDC__
|
|
# include <stdarg.h>
|
|
#else
|
|
# include <varargs.h>
|
|
#endif
|
|
|
|
#include "csh.h"
|
|
#include "extern.h"
|
|
|
|
/*
|
|
* C Shell - routines handling process timing and niceing
|
|
*/
|
|
static void pdeltat __P((struct timeval *, struct timeval *));
|
|
|
|
void
|
|
settimes()
|
|
{
|
|
struct rusage ruch;
|
|
|
|
(void) gettimeofday(&time0, NULL);
|
|
(void) getrusage(RUSAGE_SELF, &ru0);
|
|
(void) getrusage(RUSAGE_CHILDREN, &ruch);
|
|
ruadd(&ru0, &ruch);
|
|
}
|
|
|
|
/*
|
|
* dotime is only called if it is truly a builtin function and not a
|
|
* prefix to another command
|
|
*/
|
|
void
|
|
/*ARGSUSED*/
|
|
dotime(v, t)
|
|
Char **v;
|
|
struct command *t;
|
|
{
|
|
struct timeval 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);
|
|
}
|
|
|
|
/*
|
|
* donice is only called when it on the line by itself or with a +- value
|
|
*/
|
|
void
|
|
/*ARGSUSED*/
|
|
donice(v, t)
|
|
Char **v;
|
|
struct command *t;
|
|
{
|
|
Char *cp;
|
|
int nval = 0;
|
|
|
|
v++, cp = *v++;
|
|
if (cp == 0)
|
|
nval = 4;
|
|
else if (*v == 0 && any("+-", cp[0]))
|
|
nval = getn(cp);
|
|
(void) setpriority(PRIO_PROCESS, 0, nval);
|
|
}
|
|
|
|
void
|
|
ruadd(ru, ru2)
|
|
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;
|
|
}
|
|
|
|
void
|
|
prusage(r0, r1, e, b)
|
|
struct rusage *r0, *r1;
|
|
struct timeval *e, *b;
|
|
{
|
|
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;
|
|
char *cp;
|
|
long i;
|
|
struct varent *vp = adrof(STRtime);
|
|
|
|
int ms =
|
|
(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";
|
|
|
|
if (vp && vp->vec[0] && vp->vec[1])
|
|
cp = short2str(vp->vec[1]);
|
|
|
|
for (; *cp; cp++)
|
|
if (*cp != '%')
|
|
(void) fputc(*cp, cshout);
|
|
else if (cp[1])
|
|
switch (*++cp) {
|
|
|
|
case 'U': /* user CPU time used */
|
|
pdeltat(&r1->ru_utime, &r0->ru_utime);
|
|
break;
|
|
|
|
case 'S': /* system CPU time used */
|
|
pdeltat(&r1->ru_stime, &r0->ru_stime);
|
|
break;
|
|
|
|
case 'E': /* elapsed (wall-clock) time */
|
|
pcsecs((long) ms);
|
|
break;
|
|
|
|
case 'P': /* percent time spent running */
|
|
/* check if it did not run at all */
|
|
i = (ms == 0) ? 0 : (t * 1000 / ms);
|
|
/* nn.n% */
|
|
(void) fprintf(cshout, "%ld.%01ld%%", i / 10, i % 10);
|
|
break;
|
|
|
|
case 'W': /* number of swaps */
|
|
i = r1->ru_nswap - r0->ru_nswap;
|
|
(void) fprintf(cshout, "%ld", i);
|
|
break;
|
|
|
|
case 'X': /* (average) shared text size */
|
|
(void) fprintf(cshout, "%ld", t == 0 ? 0L :
|
|
(r1->ru_ixrss - r0->ru_ixrss) / t);
|
|
break;
|
|
|
|
case 'D': /* (average) unshared data size */
|
|
(void) fprintf(cshout, "%ld", t == 0 ? 0L :
|
|
(r1->ru_idrss + r1->ru_isrss -
|
|
(r0->ru_idrss + r0->ru_isrss)) / t);
|
|
break;
|
|
|
|
case 'K': /* (average) total data memory used */
|
|
(void) fprintf(cshout, "%ld", t == 0 ? 0L :
|
|
((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 */
|
|
(void) fprintf(cshout, "%ld", r1->ru_maxrss / 2L);
|
|
break;
|
|
|
|
case 'F': /* page faults */
|
|
(void) fprintf(cshout, "%ld", r1->ru_majflt - r0->ru_majflt);
|
|
break;
|
|
|
|
case 'R': /* page reclaims */
|
|
(void) fprintf(cshout, "%ld", r1->ru_minflt - r0->ru_minflt);
|
|
break;
|
|
|
|
case 'I': /* FS blocks in */
|
|
(void) fprintf(cshout, "%ld", r1->ru_inblock - r0->ru_inblock);
|
|
break;
|
|
|
|
case 'O': /* FS blocks out */
|
|
(void) fprintf(cshout, "%ld", r1->ru_oublock - r0->ru_oublock);
|
|
break;
|
|
|
|
case 'r': /* socket messages received */
|
|
(void) fprintf(cshout, "%ld", r1->ru_msgrcv - r0->ru_msgrcv);
|
|
break;
|
|
|
|
case 's': /* socket messages sent */
|
|
(void) fprintf(cshout, "%ld", r1->ru_msgsnd - r0->ru_msgsnd);
|
|
break;
|
|
|
|
case 'k': /* number of signals received */
|
|
(void) fprintf(cshout, "%ld", r1->ru_nsignals-r0->ru_nsignals);
|
|
break;
|
|
|
|
case 'w': /* num. voluntary context switches (waits) */
|
|
(void) fprintf(cshout, "%ld", r1->ru_nvcsw - r0->ru_nvcsw);
|
|
break;
|
|
|
|
case 'c': /* num. involuntary context switches */
|
|
(void) fprintf(cshout, "%ld", r1->ru_nivcsw - r0->ru_nivcsw);
|
|
break;
|
|
}
|
|
(void) fputc('\n', cshout);
|
|
}
|
|
|
|
static void
|
|
pdeltat(t1, t0)
|
|
struct timeval *t1, *t0;
|
|
{
|
|
struct timeval td;
|
|
|
|
tvsub(&td, t1, t0);
|
|
(void) fprintf(cshout, "%ld.%01ld", td.tv_sec, td.tv_usec / 100000L);
|
|
}
|
|
|
|
void
|
|
tvadd(tsum, t0)
|
|
struct timeval *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)
|
|
struct timeval *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;
|
|
}
|
|
|
|
#define P2DIG(i) (void) fprintf(cshout, "%d%d", (i) / 10, (i) % 10)
|
|
|
|
void
|
|
psecs(l)
|
|
long l;
|
|
{
|
|
int i;
|
|
|
|
i = l / 3600;
|
|
if (i) {
|
|
(void) fprintf(cshout, "%d:", i);
|
|
i = l % 3600;
|
|
P2DIG(i / 60);
|
|
goto minsec;
|
|
}
|
|
i = l;
|
|
(void) fprintf(cshout, "%d", i / 60);
|
|
minsec:
|
|
i %= 60;
|
|
(void) fputc(':', cshout);
|
|
P2DIG(i);
|
|
}
|
|
|
|
void
|
|
pcsecs(l) /* PWP: print mm:ss.dd, l is in sec*100 */
|
|
long l;
|
|
{
|
|
int i;
|
|
|
|
i = l / 360000;
|
|
if (i) {
|
|
(void) fprintf(cshout, "%d:", i);
|
|
i = (l % 360000) / 100;
|
|
P2DIG(i / 60);
|
|
goto minsec;
|
|
}
|
|
i = l / 100;
|
|
(void) fprintf(cshout, "%d", i / 60);
|
|
minsec:
|
|
i %= 60;
|
|
(void) fputc(':', cshout);
|
|
P2DIG(i);
|
|
(void) fputc('.', cshout);
|
|
P2DIG((int) (l % 100));
|
|
}
|