Re: Network performance degradation from 2.6.11.12 to 2.6.16.20

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On Tue, 4 Jul 2006, Andi Kleen wrote:

On Tuesday 04 July 2006 13:41, Jesper Dangaard Brouer wrote:

Actually the change happens between kernel version 2.6.15 and 2.6.16.

The timestamp optimizations are older. Don't remember the exact release,
but earlier 2.6.

What I'm saying is that, with the same Config file, some Kconfig option changed between 2.6.15 and 2.6.16, that made my system use pmtmr for high-res timesource instead of TSC.


And
is a result of Andi's changes to arch/x86_64/Kconfig and
drivers/acpi/Kconfig, which "allows/activates" the use of the timer on
x86_64.

Not sure what you mean here?

I think, that the changes you made to the files "arch/x86_64/Kconfig" and "drivers/acpi/Kconfig", caused this change...

commit: e78256b8f3e2850ad55c2d69e1429e6c2607afd3

http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.17.y.git;a=commitdiff;h=e78256b8f3e2850ad55c2d69e1429e6c2607afd3

and maybe
commit: 2eb1bdbad89b19c99f8ac1de1492cdabbff6b3d3

http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.17.y.git;a=commitdiff;h=2eb1bdbad89b19c99f8ac1de1492cdabbff6b3d3


Hilsen
  Jesper Brouer

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