On Wed, Mar 05, 2014 at 09:16:45PM +0000, Li, Bin (Bin) wrote:
> Did you also find out here why this is the case?
> 
> Binl:
> Yes. The application running in our customized embedded OS is also real time 
> application which is timing sensitive. 
> The timing sensitive level varies among the applications.
> When I talking about different threshold, the assumption is using default 
> 4096 ple_window setting.
> If I set up the ple_window to 16384 or higher, there will be no problem for 
> our application. But the finial user could also run linux or window VM on 
> same hypervisor which would prefer default 4096 setting for linux and windows.

Then have per-VM PLE values?

> We are looking for a solution to be good for both linux / window and real 
> time application.
> The enhancement patch we proposed will satisfy both linux/window application 
> and real time embedded applications.
> 
> Paolo


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