lkml.org 
[lkml]   [2010]   [Mar]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: RFC: Ideal Adaptive Spinning Conditions
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


\
 
 \ /
  Last update: 2010-04-01 04:07    [W:0.400 / U:0.276 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site