Re: [PATCH v2] sched: Reduce contention in update_cfs_rq_blocked_load
From: Peter Zijlstra
Date: Wed Sep 03 2014 - 07:32:51 EST
On Tue, Sep 02, 2014 at 12:41:24AM -0700, Jason Low wrote:
> On Mon, 2014-09-01 at 14:55 +0200, Peter Zijlstra wrote:
> > But yes, unbounded errors here are a problem, sure relaxing the updates
> > makes things go fast, they also make things go skew.
> Okay. In that case, would you like to take our original patch which
> avoids unnecessary updates?
This seems a safe patch; yes I'll queue it while we think of smarter
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