[Devel] Re: [Bugme-new] [Bug 16417] New: Slow context switches with SMP and CONFIG_FAIR_GROUP_SCHED

[Pierre Bourdon]

On Mon, 02 Aug 2010 10:58:41 +0200, Peter Zijlstra <peterz at infradead.org>
wrote:
> Does: echo NO_LB_SHARES_UPDATE > /debug/sched_features
> (or wherever you mounted debugfs) help things?

It does not, sorry. Latency with lat_ctx is still high, and CPU usage with
cat | pv is still high too.

Regards,
-- 
Pierre Bourdon
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