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Diffstat (limited to 'contrib/tcsh/sh.time.c')
| -rw-r--r-- | contrib/tcsh/sh.time.c | 711 |
1 files changed, 711 insertions, 0 deletions
diff --git a/contrib/tcsh/sh.time.c b/contrib/tcsh/sh.time.c new file mode 100644 index 0000000..f670fdc --- /dev/null +++ b/contrib/tcsh/sh.time.c @@ -0,0 +1,711 @@ +/* $Header: /src/pub/tcsh/sh.time.c,v 3.20 1998/11/24 18:17:38 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 "sh.h" + +RCSID("$Id: sh.time.c,v 3.20 1998/11/24 18:17:38 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 __P((clock_t, clock_t)); +# else /* ! POSIX */ +static void pdtimet __P((time_t, time_t)); +# endif /* ! POSIX */ +#else /* BSDTIMES || _SEQUENT_ */ +static void tvadd __P((timeval_t *, timeval_t *)); +static void pdeltat __P((timeval_t *, timeval_t *)); +#endif /* BSDTIMES || _SEQUENT_ */ + +void +settimes() +{ +#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_ */ +# ifndef COHERENT + time0 = times(×0); +# else /* !COHERENT */ + time0 = HZ * time(NULL); + times(×0); +# endif /* !COHERENT */ + 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 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; + +#ifndef COHERENT + timedol = times(×_dol); +#else + timedol = HZ * time(NULL); + times(×_dol); +#endif + 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(v, c) + register Char **v; + struct command *c; +{ + register 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 BSDNICE + (void) setpriority(PRIO_PROCESS, 0, nval); +#else /* BSDNICE */ + (void) nice(nval); +#endif /* BSDNICE */ +} + +#ifdef BSDTIMES +void +ruadd(ru, ru2) + register struct sysrusage *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; + +# 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(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? */ +#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(r0, r1, e, b) + register struct sysrusage *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 +# 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", + 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 */ +#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 / (ms * sysinfo.cpu_count)); +#else /* convex */ + i = (ms == 0) ? 0 : (t * 1000 / ms); +#endif /* convex */ + xprintf("%ld.%01ld%%", i / 10, i % 10); /* nn.n% */ + break; + +#ifdef BSDTIMES + case 'W': /* number of swaps */ + i = r1->ru_nswap - r0->ru_nswap; + 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 */ + 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; +#endif /* convex */ + case 'M': /* max. Resident Set Size */ +#ifdef SUNOS4 + xprintf("%ld", pagetok(r1->ru_maxrss)); +#else +# ifdef convex + xprintf("%ld", r1->ru_maxrss * 4L); +# else /* !convex */ + xprintf("%ld", r1->ru_maxrss / 2L); +# endif /* convex */ +#endif /* SUNOS4 */ + 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; + +# 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 */ + 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: signals received */ + xprintf("%ld", r1->ru_nsignals - r0->ru_nsignals); + break; + + case 'w': /* PWP: voluntary context switches (waits) */ + xprintf("%ld", r1->ru_nvcsw - r0->ru_nvcsw); + break; + + case 'c': /* PWP: 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 */ + default: + break; + } + xputchar('\n'); +} + +#if defined(BSDTIMES) || defined(_SEQUENT_) +static void +pdeltat(t1, t0) + timeval_t *t1, *t0; +{ + timeval_t td; + + tvsub(&td, t1, t0); + xprintf("%ld.%03ld", td.tv_sec, td.tv_usec / 1000L); +} + +static 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_ */ |
