From: Ingo Molnar <mingo@elte.hu>
To: "Carlos R. Mafra" <crmafra2@gmail.com>
Cc: linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH] Remove timer frequency choice if tickless is enabled
Date: Mon, 14 Jan 2008 09:25:43 +0100 [thread overview]
Message-ID: <20080114082543.GC18296@elte.hu> (raw)
In-Reply-To: <20080112032718.GA3946@Pilar.socal.rr.com>
(lkml Cc:-ed)
* Carlos R. Mafra <crmafra2@gmail.com> wrote:
> choice
> prompt "Timer frequency"
> + depends on !NO_HZ
> default HZ_250
> help
> Allows the configuration of the timer frequency. It is customary
we are not there yet to be able to do this. With NO_HZ the tick is only
disabled when we go idle - but it still runs (and we rely on it, for
example in the scheduler code) while we are non-idle. Peter Zijlstra is
working on the 'high-res scheduler tick' feature to remove the scheduler
dependencies.
Ingo
next parent reply other threads:[~2008-01-14 8:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080112020026.GB5849@Pilar.physics.ucla.edu>
[not found] ` <20080112032718.GA3946@Pilar.socal.rr.com>
2008-01-14 8:25 ` Ingo Molnar [this message]
2008-01-14 8:28 ` Peter Zijlstra
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