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lat_fcntl - fcntl file locking benchmark
lat_ctx [ -P <parallelism>
] [ -W <warmups> ] [ -N <repetitions> ]
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.
Funding for the development of
this tool was provided by Sun Microsystems Computer Corporation.
lmbench(8)
,
lat_fifo(8)
, lat_tcp(8)
, lat_udp(8)
, lat_unix(8)
.
Carl Staelin and
Larry McVoy
Comments, suggestions, and bug reports are always welcome.
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