Messages in this thread | | | Subject | Re: [LKP] [rcu] 00f5159aeb6: +55.3% will-it-scale.time.involuntary_context_switches | From | Mike Galbraith <> | Date | Wed, 21 Jan 2015 09:06:47 +0100 |
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On Tue, 2015-01-20 at 23:52 -0800, Paul E. McKenney wrote: > On Wed, Jan 21, 2015 at 03:32:44PM +0800, Huang Ying wrote: > > FYI, we noticed the below changes on > > > > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git stall.2015.01.06a > > commit 00f5159aeb68f08ce29597be86be87d6db0c1ba1 ("rcu: Run grace-period kthreads at real-time priority") > > Glad this helps!
The way I read it, it's hurting by increasing context switches... but if you'll need a boot param to turn it on in the future, this is moot :)
-Mike
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