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LAT_FCNTL(8)                        LMBENCH                       LAT_FCNTL(8)


NAME

       lat_fcntl - fcntl file locking benchmark


SYNOPSIS

       lat_ctx [ -P <parallelism> ] [ -W <warmups> ] [ -N <repetitions> ]


DESCRIPTION

       lat_fcntl is a client/server program that measures file locking
       latencies.  The benchmark alternately locks and unlocks files so that
       only one of the client or server is running at a time, similar to ``hot
       potato'' message passing benchmarks.  No other work is done in the
       processes.


ACKNOWLEDGEMENT

       Funding for the development of this tool was provided by Sun
       Microsystems Computer Corporation.


SEE ALSO

       lmbench(8), lat_fifo(8), lat_tcp(8), lat_udp(8), lat_unix(8).


AUTHOR

       Carl Staelin and Larry McVoy

       Comments, suggestions, and bug reports are always welcome.

(c)1994-2000 Carl Staelin and Larry McVoy
                                    $Date$                        LAT_FCNTL(8)

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