[Xenomai] memory allocation performance in kernel ipipe

Philippe Gerum rpm at xenomai.org
Wed Dec 7 17:16:32 CET 2016


On 12/07/2016 03:15 PM, Stéphane Ancelot wrote:
> Hi,
> 
> I noticed very bad memory allocation performance on some of my graphic
> programs (standard linux applications).
> 
> If you run any classic program, you won't sea any difference, but it has
> been visible in the following context :
> 
> I have an application that allocates thousends of graphic widgets,
> label, input fields  at startup (a data editor) .
> 
> Using the standard kernel, the applications starts very quickly. But 
> once the ipipe patch is applied to kernel, this application makes lot of
> seconds before appearing.
> 
> I am using a 3.18 kernel.
> 

Is there any question?

-- 
Philippe.



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