Re: One of these things (CONFIG_HZ) is not like the others..

From: Matt Sealey
Date: Mon Jan 21 2013 - 19:26:33 EST


On Mon, Jan 21, 2013 at 6:09 PM, Matt Sealey <matt@xxxxxxxxxxxxxx> wrote:

[LAKML: about lack of SCHED_HRTICK because we don't use
kernel/Kconfig.hz on ARM)]

> kind of leaves ARM in the doghouse.. who knows what weirdo scheduler
> reactions are related to it not being enabled. Maybe when it is, HZ
> *would* need to be allowed to be bumped when using this code path?

Or conversely maybe this is exactly why the Samsung maintainers
decided they need HZ=200, because SCHED_HRTICK isn't being enabled and
they're experiencing some multimedia lag because of it?

--
Matt Sealey <matt@xxxxxxxxxxxxxx>
Product Development Analyst, Genesi USA, Inc.
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