usr/src/ucbcmd/rusage/rusage.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22
  23 /*
  24  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  25  * Use is subject to license terms.
  26  */
  27
  28 #pragma ident   "%Z%%M% %I%     %E% SMI"
  29
  30 /*
  31  * rusage
  32  */
  33
  34 #include <locale.h>
  35 #include <stdio.h>
  36 #include <sys/types.h>
  37 #include <sys/time.h>
  38 #include <sys/resource.h>
  39 #include <sys/wait.h>
  40 #include <signal.h>
  41
  42 void
  43 fprintt(s, tv)
  44         char *s;
  45         struct timeval *tv;
  46 {
  47
  48         (void) fprintf(stderr, gettext("%d.%02d %s "),
  49                 tv->tv_sec, tv->tv_usec/10000, s);
  50 }
  51
  52 int
  53 main(int argc, char **argv)
  54 {
  55         union wait status;
  56         int options = 0;
  57         int p;
  58         struct timeval before, after;
  59         struct rusage ru;
  60         struct timezone tz;
  61
  62         (void) setlocale(LC_ALL, "");
  63
  64 #if !defined(TEXT_DOMAIN)
  65 #define TEXT_DOMAIN "SYS_TEST"
  66 #endif
  67         (void) textdomain(TEXT_DOMAIN);
  68
  69         if (argc <= 1)
  70                 exit(0);
  71         (void) gettimeofday(&before, &tz);
  72
  73         /* fork a child process to run the command */
  74
  75         p = fork();
  76         if (p < 0) {
  77                 perror("rusage");
  78                 exit(1);
  79         }
  80
  81         if (p == 0) {
  82
  83                 /* exec the command specified */
  84
  85                 execvp(argv[1], &argv[1]);
  86                 perror(argv[1]);
  87                 exit(1);
  88         }
  89
  90         /* parent code - wait for command to complete */
  91
  92         (void) signal(SIGINT, SIG_IGN);
  93         (void) signal(SIGQUIT, SIG_IGN);
  94         while (wait3(&status.w_status, options, &ru) != p)
  95                 ;
  96
  97         /* get closing time of day */
  98         (void) gettimeofday(&after, &tz);
  99
 100         /* check for exit status of command */
 101
 102         if ((status.w_termsig) != 0)
 103                 (void) fprintf(stderr,
 104                     gettext("Command terminated abnormally.\n"));
 105
 106         /* print an accounting summary line */
 107
 108         after.tv_sec -= before.tv_sec;
 109         after.tv_usec -= before.tv_usec;
 110         if (after.tv_usec < 0) {
 111                 after.tv_sec--;
 112                 after.tv_usec += 1000000;
 113         }
 114         fprintt(gettext("real"), &after);
 115         fprintt(gettext("user"), &ru.ru_utime);
 116         fprintt(gettext("sys"), &ru.ru_stime);
 117         (void) fprintf(stderr, gettext("%d pf %d pr %d sw"),
 118                 ru.ru_majflt,
 119                 ru.ru_minflt,
 120                 ru.ru_nswap);
 121         (void) fprintf(stderr, gettext(" %d rb %d wb %d vcx %d icx"),
 122                 ru.ru_inblock,
 123                 ru.ru_oublock,
 124                 ru.ru_nvcsw,
 125                 ru.ru_nivcsw);
 126         (void) fprintf(stderr, gettext(" %d mx %d ix %d id %d is"),
 127                 ru.ru_maxrss,
 128                 ru.ru_ixrss,
 129                 ru.ru_idrss,
 130                 ru.ru_isrss);
 131
 132         (void) fprintf(stderr, "\n");
 133         return ((int)status.w_retcode);
 134 }