plockstat(1) plockstat(1)
NAME
plockstat - front-end to DTrace to print statistics about POSIX mutexes
and read/write locks
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
OPTIONS
-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
SEE ALSO
dtrace(1)
1.0 July 2007 plockstat(1)
Mac OS X 10.6 - Generated Thu Sep 17 20:08:50 CDT 2009