Re: [RFC] another scheduler beater

From: Mike Galbraith
Date: Tue Apr 24 2007 - 00:37:03 EST


On Mon, 2007-04-23 at 17:55 -0400, Bill Davidsen wrote:

> Based on just this script as load I would say renice on X isn't a good
> thing. Based on one small test, I would say that renice of X in
> conjunction with heavy disk i/o and a single fast scrolling xterm (think
> kernel compile) seems to slow the raid6 thread measurably.

Yeah, I was testing a UP kernel yesterday. It doesn't take much renice
to severely injure the competition with them having no place else to go.
Nice -19 is definitely overkill.

-Mike

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