Messages in this thread | | | Subject | Re: [git pull] scheduler fixes | From | Mike Galbraith <> | Date | Sat, 17 Jan 2009 17:21:21 +0100 |
| |
On Sat, 2009-01-17 at 17:01 +0100, Ingo Molnar wrote: > * Mike Galbraith <efault@gmx.de> wrote: > > > On Sat, 2009-01-17 at 04:43 -0800, Andrew Morton wrote: > > > http://bugzilla.kernel.org/show_bug.cgi?id=12465 just popped up - another > > > scheduler regression. It has been bisected. > > > > Seems pretty clear. I'd suggest reverting it. > > We can revert it (and will revert it if no solution is found), but i'd > also like to understand why it happens, because that kind of regression > from this change is unexpected - we might be hiding some bug that could > pop up under less debuggable circumstances, so we need to understand it > while we have a chance.
Agree. However, with the sched_mc stuff, mysql+oltp now does better with NEWIDLE on than off as well, as does an nfs kbuild.
-Mike
| |