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PLOCKSTAT(1) BSD General Commands Manual PLOCKSTAT(1) NAME plockstat -- Trace pthread lock statistics using DTrace SYNOPSIS plockstat [-vACHV] [-n count] [-s depth] [-e secs] [-x opt=val] command [arg...] plockstat [-vACHV] [-n count] [-s depth] [-e secs] [-x opt=val] -p pid DESCRIPTION The plockstat utility traces pthread locks (mutexes and rwlocks) and prints statistics about them. You can use plockstat to investigate bot- tlenecks in your software. The following options are available: -v Be verbose. -A Print all statistics. -C Print commulative statistics (the default). -H Print a histogram. -V Print the DTrace script about to be used to stderr. -n count Set the aggregation count for the data set. -s depth Set the ustack (userland stack) caller depth. -e secs Does nothing at the moment. -x opt=val Specify DTrace options. See the dtrace(1) man page for more de- tails. EXIT STATUS The plockstat utility exits 0 on success, and >0 if an error occurs. SEE ALSO dtrace(1), pthread(3) HISTORY The plockstat utility comes from OpenSolaris and was first imported into FreeBSD 9.0. BSD September 13, 2010 BSD
NAME | SYNOPSIS | DESCRIPTION | EXIT STATUS | SEE ALSO | HISTORY
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