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SubjectRe: is it a timer bug?
On Mon, 15 Dec 2008 15:07:17 +0800
"Shi, Alex" <> wrote:

> I notice the timer interrupts is quit high on the 2.6.28-rc8 kernel
> in my Nehalem machine. A, 180+/second timer interrupts in my Nehalem
> machine with tickless enable. B, the timer interrupts reduce to
> 10-/second with tickless and highres enable. On 2.6.27 kernel, the
> timer interrupts can keep low with tickless kernel whenever the
> highres feature is enable or not. So it is timer bug on my machine?


can you give us the powertop output of these production Core i7
machines? That is the most likely way to get a clue about what is going

Arjan van de Ven

Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,

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