| | Subject | Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt | | From | Lee Revell <> | | Date | Thu, 14 Jul 2005 20:15:05 -0400 |
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On Fri, 2005-07-15 at 02:04 +0200, Jesper Juhl wrote: > While reading this thread it occoured to me that perhaps what we > really want (besides sub HZ timers) might be for the kernel to > auto-tune HZ? > > Would it make sense to introduce a new config option (say > CONFIG_HZ_AUTO) that when selected does something like this at boot: > > if (running_on_a_laptop()) { > set_HZ_to(250); > }
I don't think this will fly because we take a big performance hit by calculating HZ at runtime.
Lee
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