Messages in this thread | | | Date | Wed, 31 Mar 2010 19:03:47 -0700 | From | Darren Hart <> | Subject | Re: RFC: Ideal Adaptive Spinning Conditions |
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Roland Dreier wrote: > > I'm looking at some adaptive spinning with futexes as a way to help > > reduce the dependence on sched_yield() to implement userspace > > spinlocks. Chris, I included you in the CC after reading your comments > > regarding sched_yield() at kernel summit and I thought you might be > > interested. > > I think you may have the wrong Chris. Chris Wright wasn't at the most > recent kernel summit and I do have a vague recollection of Chris Mason > mentioning that Oracle developers found that sched_yield() performed > better than futexes + kernel scheduling.
Oh bother, Sorry Chris! I even talked to Chris Wright about this already in person and he told me I probably was looking for Chris Mason, and I still got the last names crossed up!
-- Darren Hart IBM Linux Technology Center Real-Time Linux Team
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