Re: x86_64 and AMD with C1E

From: Arjan van de Ven
Date: Mon Oct 01 2007 - 10:08:33 EST


On Mon, 1 Oct 2007 15:09:53 +0200

> There is normally a threshold above which you don't save significantly
> more power by doing less timer interrupts. You can test this
> by doing the CONFIG_HZ=100 above.

however the point you're describing tends to more be around 25ms to
50ms.... HZ=100 is only a first rough test (and HZ=100 does have
userspace visibility, multimedia playback suffers due to the decreased
accuracy)
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