Re: [PATCH] CFS: Fix missing digit off in wmult table

From: Roman Zippel
Date: Mon Jul 16 2007 - 10:03:25 EST


Hi,

On Mon, 16 Jul 2007, Ingo Molnar wrote:

> to sum it up: a nice +19 task (the most commonly used nice level in
> practice) gets 9.1%, 3.9%, 3.1% of CPU time on the old scheduler,
> depending on the value of HZ. This is quite inconsistent and illogical.

You're correct that you can find artifacts in the extreme cases, it's
subjective whether this is a serious problem.
It's nice that these artifacts are gone, but that still doesn't explain
why this ratio had to be increase that much from around 1:10 to 1:69.

bye, Roman
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