Yep. The system call is lwp_park(). Given that it's a blocking system call, the time a thread spends here is effectively unbounded.
Chad On Wed, Feb 3, 2010 at 3:47 PM, Jim Mauro <james.ma...@sun.com> wrote: > It's used to put threads to sleep that are blocking on user locks > (at least that's my recollection). > > Run "prstat -Lmp <PID_OF_APP) - what does the "LCK" column look like? > > Try running plockstat -A -p <PID_OF_APP>. > > Thanks, > /jim > > > Dtrace Email wrote: >> >> Hi, when doing dtrace on an appliction, __lwp_park() seems to be taking a >> lot of time. What does it really do? is it waiting for threads? >> >> Thanks, >> > > _______________________________________________ > dtrace-discuss mailing list > dtrace-discuss@opensolaris.org > _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
