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- /*-
- * 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.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)time.c 5.15 (Berkeley) 7/19/91";
- #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;
- {
- register 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)
- 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;
- }
-
- void
- prusage(r0, r1, e, b)
- register struct rusage *r0, *r1;
- struct timeval *e, *b;
- {
- 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;
- register char *cp;
- register long i;
- register 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 recieved */
- (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 recieved */
- (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, "%d.%01d", td.tv_sec, td.tv_usec / 100000);
- }
-
- 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;
- {
- register 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;
- {
- register 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));
- }
-