From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: akataria@vmware.com
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
the arch/x86 maintainers <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: Default HZ value for X86
Date: Tue, 28 Apr 2009 00:34:54 +0100 [thread overview]
Message-ID: <20090428003454.08d1660c@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <1240873630.14713.25.camel@alok-dev1>
On Mon, 27 Apr 2009 16:07:10 -0700
Alok Kataria <akataria@vmware.com> wrote:
> Hi,
>
> I was wondering why do we still have the default HZ value as 1000 for
> the x86 kernels.
>
> arch/x86/configs/i386_defconfig:CONFIG_HZ=1000
> arch/x86/configs/x86_64_defconfig:CONFIG_HZ=1000
>
> With the highres timer implementation it was planned to move away from
> relying on high timer interrupt frequency for applications requiring
> precise high resolution timers.
With the tickless kernel does this really matter any more ? We might as
well keep a logical 1000 for convenience and accuracy.
Alan
next prev parent reply other threads:[~2009-04-27 23:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-27 23:07 Alok Kataria
2009-04-27 23:34 ` Alan Cox [this message]
2009-04-28 16:55 ` Alok Kataria
2009-04-30 17:27 ` Artur Skawina
2009-04-30 18:24 ` Alok Kataria
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