/* $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 #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_ */