F16 slowness

Mike Chambers mike at miketc.net
Sat Sep 10 22:18:48 UTC 2011


On Sat, 2011-09-10 at 11:36 -0700, Adam Williamson wrote:

> I think Michael was testing the "slub_debug=-" parameter.
> 
> In the bug report, I noted that I recompiled rc5 with debugging disabled
> and it does indeed clear up all the performance problems. Seems like the
> debugging overhead got a lot heavier between 3.0 and 3.1, so you really
> see the sluggishness in 3.1 kernels. See
> https://bugzilla.redhat.com/show_bug.cgi?id=735268 for the numbers.

Must be doing it wrong, but I passed slub_debug=- paramater to grub when
booted with below kernel and still slow.  so =- with a - after the =
sign is correct?

kernel-3.1.0-0.rc4.git0.0.fc16.x86_64

-- 
Mike Chambers
Madisonville, KY

"The best town on Earth!"



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