Re: New scheduler in 2.4. series?

From: Ingo Molnar (mingo@elte.hu)
Date: Wed Feb 06 2002 - 08:00:02 EST


On Wed, 6 Feb 2002, Kristian wrote:

> -K2 behaves much better as -J2 did. The system gets continuously
> responsive again. But with nicelevel -5 at the beginning of each 'tar`
> the systems stalls for 2 or 3 seconds.

yes, it takes 2-3 seconds for the system to notice that the 'tar' process
started from your interactive shell is in fact a 'CPU hog'. The system was
honoring root's request for CPU time.

this should not happen if you start it at nice -2, which should still give
'tar' enough of an advantage.

        Ingo

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