NAME

time — measure time used by a command

SYNOPSIS

DESCRIPTION

time measures the wall-clock time, user CPU time, system/kernel CPU time, used by command and outputs it to stderr.

OPTIONS

-p

(default) Output in POSIX format.

-v

Detailed output.

EXIT STATUS

If command is invoked, the exit status should be the one given by command. Otherwise, it will exit with the following values:

1-125

An error occurred in command

126

command was found but couldn't be invoked

127

command could not be found

SIGNALS

time propagates all signals to it's child process, allowing constructs like ‘timeout 1s time yes’ to work as expected.

SEE ALSO

getrusage(3), times(3)

STANDARDS

time should be compliant with the IEEE Std 1003.1-2024 (“POSIX.1”) specification.

AUTHORS

Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>