On Tue, 2013-06-18 at 08:48 +0200, Mike Galbraith wrote: > On Sat, 2013-06-15 at 13:10 +0200, Manfred Spraul wrote: P.S.> > My current guess:> > sem_lock() somehow ends up in lock_array.Tracing shows that happens precisely one time, at end of benchmark.-Mike