TIME
Section: User Commands (1)
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BSD mandoc
NAME
time
- time command execution
SYNOPSIS
[-lp
]
utility
DESCRIPTION
The
utility
executes and
times
utility
After the
utility
finishes,
writes the total time elapsed,
the time consumed by system overhead,
and the time used to execute
utility
to the standard error stream.
Times are reported in seconds.
Available options:
- -l
-
The contents of the
rusage
structure are printed.
- -p
-
The output is formatted as specified by
St -p1003.2-92 .
The
csh(1)
has its own and syntactically different builtin version of
The utility described here
is available as
/usr/bin/time
to
csh
users.
DIAGNOSTICS
The
utility shall exit with one of the following values:
- 1-125
-
An error occurred in the
utility.
- 126
-
The
utility
was found but could not be invoked.
- 127
-
The
utility
could not be found.
Otherwise, the exit status of
shall be that of
utility
SEE ALSO
csh(1),
getrusage(2)
FILES
- /usr/include/sys/resource.h
-
STANDARDS
The
utility conforms to
St -p1003.2-92 .
BUGS
The granularity of seconds on microprocessors is crude and
can result in times being reported for CPU usage which are too large by
a second.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- DIAGNOSTICS
-
- SEE ALSO
-
- FILES
-
- STANDARDS
-
- BUGS
-
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Time: 04:29:43 GMT, April 24, 2025