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Annotation of src/usr.bin/time/time.1, Revision 1.1.1.1

1.1       deraadt     1: .\"    $NetBSD: time.1,v 1.5 1994/12/08 09:36:57 jtc Exp $
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                     34: .\"     @(#)time.1     8.1 (Berkeley) 6/6/93
                     35: .\"
                     36: .Dd June 6, 1993
                     37: .Dt TIME 1
                     38: .Os
                     39: .Sh NAME
                     40: .Nm time
                     41: .Nd time command execution
                     42: .Sh SYNOPSIS
                     43: .Nm time
                     44: .Op Fl lp
                     45: .Ar utility
                     46: .Sh DESCRIPTION
                     47: The
                     48: .Nm time
                     49: utility
                     50: executes and
                     51: times
                     52: .Ar utility .
                     53: After the
                     54: .Ar utility
                     55: finishes,
                     56: .Nm time
                     57: writes the total time elapsed,
                     58: the time consumed by system overhead,
                     59: and the time used to execute
                     60: .Ar utility
                     61: to the standard error stream.
                     62: Times are reported in seconds.
                     63: .Pp
                     64: Available options:
                     65: .Bl -tag -width Ds
                     66: .It Fl l
                     67: The contents of the
                     68: .Em rusage
                     69: structure are printed.
                     70: .It Fl p
                     71: The output is formatted as specified by
                     72: .St -p1003.2-92 .
                     73: .El
                     74: .Pp
                     75: The
                     76: .Xr csh 1
                     77: has its own and syntactically different builtin version of
                     78: .Nm time.
                     79: The utility described here
                     80: is available as
                     81: .Pa /usr/bin/time
                     82: to
                     83: .Xr csh
                     84: users.
                     85: .Sh DIAGNOSTICS
                     86: The
                     87: .Nm time
                     88: utility shall exit with one of the following values:
                     89: .Bl -tag -width indent
                     90: .It 1-125
                     91: An error occurred in the
                     92: .Nm time
                     93: utility.
                     94: .It 126
                     95: The
                     96: .Ar utility
                     97: was found but could not be invoked.
                     98: .It 127
                     99: The
                    100: .Ar utility
                    101: could not be found.
                    102: .El
                    103: .Pp
                    104: Otherwise, the exit status of
                    105: .Nm time
                    106: shall be that of
                    107: .Ar utility .
                    108: .Sh SEE ALSO
                    109: .Xr csh 1
                    110: .Sh FILES
                    111: .Bl -tag -width /usr/include/sys/h/resource.h -compact
                    112: .It Pa /usr/include/sys/h/resource.h
                    113: .El
                    114: .Sh STANDARDS
                    115: The
                    116: .Nm
                    117: utility conforms to
                    118: .St -p1003.2-92 .
                    119: .Sh BUGS
                    120: The granularity of seconds on microprocessors is crude and
                    121: can result in times being reported for CPU usage which are too large by
                    122: a second.