Subject: Re: Default HZ value for X86
From: Alok Kataria <akataria@vmware.com>
Reply-To: akataria@vmware.com
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>, the arch/x86 maintainers <x86@kernel.org>,
       LKML <linux-kernel@vger.kernel.org>
In-Reply-To: <1240873630.14713.25.camel@alok-dev1>
References: <1240873630.14713.25.camel@alok-dev1>
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Organization: VMware INC.
Date: Thu, 30 Apr 2009 11:24:24 -0700
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On Mon, 2009-04-27 at 16:07 -0700, Alok Kataria 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
> 
Ingo/Thomas,

I noticed that the default HZ value was switched back to 1000 (from 250)
about an year back. The commit log didn't have any details about the
switch, and I was wondering what prompted that change ?

-------------------------------------------------------------------------
commit 5cb04df8d3f03e37a19f2502591a84156be71772
    x86: defconfig updates

    refresh 32-bit defconfig too, and update the 64-bit configs as well,
    the defconfig should be much more useful by default, so most of the
    updates are the enabling of various options.
-------------------------------------------------------------------------

Thanks,
Alok

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