Re: High CPU load when machine is idle (related to PROBLEM: Unusually high load average when idle in 2.6.35, 2.6.35.1 and later)

From: Valdis . Kletnieks
Date: Sun Nov 28 2010 - 13:08:30 EST


On Sun, 28 Nov 2010 12:40:27 +0100, Damien Wyart said:
> Hi,
>
> * Peter Zijlstra <peterz@xxxxxxxxxxxxx> [2010-11-27 21:15]:
> > How does this work for you? Its hideous but lets start simple.
> > [...]
>
> Doesn't give wrong numbers like initial bug and tentative patches, but
> feels a bit too slow when numbers go up and down. Correct values are
> reached when waiting long enough, but it feels slow.

Umm.. maybe the code still averages the 1/5/15 over that many minute's
worth of ticks, which may be longer for a tickless kernel?

Attachment: pgp00000.pgp
Description: PGP signature