Reduced java/tomcat performance 6-beta3 -> 6-stable ?

[Kris Kennaway]

On Tue, Nov 29, 2005 at 10:25:07AM +0100, Eirik ?verby wrote:
> 
> On Nov 29, 2005, at 10:15 , Kris Kennaway wrote:
> 
> >On Tue, Nov 29, 2005 at 09:46:09AM +0100, Eirik Oeverby wrote:
> >>
> >>
> >>On Mon, 28 Nov 2005, Kris Kennaway wrote:
> >>
> >>>On Mon, Nov 28, 2005 at 10:53:00PM +0100, Eirik ?verby wrote:
> >>>>Firmware versions are equal. BIOS settings are equal.
> >>>>However, a diff of the dmesgs show (apart from MAC address  
> >>>>differences):
> >>>>
> >>>>30c30
> >>>>< Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
> >>>>---
> >>>>>Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
> >>>>
> >>>>What on earth is that all about? The "slow" box has the ACPI-fast
> >>>>timecounter...
> >>>
> >>>Could be ACPI bugs on your system:
> >>
> >>Yes, but the other system is 100% equal - hardware, bios config,  
> >>bios and
> >>bootblock revision, controller bioses, etc. etc.
> >>It all matches.
> >
> >Clearly they're not 100% equal, but (100-epsilon)%.  Your job is to
> >identify the origin of the epsilon :-)
> 
> Yea yea ;) Working on it..
> Is there a way to force ACPI-safe on the slower system?

I think someone already mentioned this..see the
kern.timecounter.hardware and other kern.timecounter sysctls.

Kris
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