Re: [RT LATENCY] 249 microsecond latency caused by slub'sunfreeze_partials() code.

From: Steven Rostedt
Date: Mon Mar 25 2013 - 14:03:39 EST


On Mon, 2013-03-25 at 17:51 +0000, Christoph Lameter wrote:
> On Mon, 25 Mar 2013, Steven Rostedt wrote:
>
> > BTW, what impact does setting all cpu_partial files to zero have on the
> > system?
>
> Slight slowdown in kfree since the frees are less likely to be batched.

If this makes it more deterministic, and lower worse case latencies,
then it's definitely worth the price.

-- Steve


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