Re: [RFD] CAT user space interface revisited

From: Luiz Capitulino
Date: Thu Nov 19 2015 - 08:44:28 EST


On Thu, 19 Nov 2015 09:35:34 +0100 (CET)
Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> > Well any work on behalf of the important task, should have its cache
> > protected as well (example irq handling threads).
>
> Right, but that's nothing you can do automatically and certainly not
> from a random application.

Right and that's not a problem. For the use-cases CAT is intended to,
manual and per-workload system setup is very common. Things like
thread pinning, hugepages reservation, CPU isolation, nohz_full, etc
require manual setup too.
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