plockstat - front-end to DTrace to print statistics about POSIX mutexes and read/write locks

.fam C
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
.fam T

-v print a message when tracing starts

-A trace contention and hold events (same as -CH)

-C trace contention events for mutexes and rwlocks

-H trace hold events for mutexes and rwlocks

-V print the dtrace script to run

-n count display only 'count' entries for each event type

-s depth show stack trace upto 'depth' entries

-e secs exit after specified seconds

-x arg[=val] enable a DTrace runtime option or a D compiler option

-p pid attach and trace the specified process id

dtrace(1)