Re: [Xenomai] x86 xenomai-2.6.4 linux-3.10.32 with i915 enble and CONFIG_PCI_MSI enble

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

On Tue, Aug 11, 2015 at 04:47:26PM +0800, eric wrote:
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> Content preview:  Hi Gilles£º I have a proble with Intel(R) Atom(TM) CPU E3827
>    @ 1.74GHz . We have fpga on pcie and fpga give 250us interrupt signal to
>   our task . The interrupt type is MSI .The proble is when we start gpu test
>    glxgears the task latency just 15us when we start without glxgears the latency
>    is about 120us . We tested a week¡®s time always the same situation. We don¡¯t
>    know why£¿ Thanks£¡£¡£¡ [...] 
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> Date: Tue, 11 Aug 2015 16:47:26 +0800 (CST)
> From: eric <ericvic@163.com>
> To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>,
>  xenomai@xenomai.org
> Subject: x86 xenomai-2.6.4 linux-3.10.32  with i915 enble  and
>  CONFIG_PCI_MSI enble
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> 
> Hi Gilles：I have a proble with Intel(R) Atom(TM) CPU E3827 @
>             1.74GHz . We have fpga on pcie and fpga give 250us
>             interrupt signal to our task . The interrupt type is
>             MSI .The proble is when we start gpu test glxgears the
>             task latency just 15us when we start without glxgears
>             the latency is about 120us . We tested a week‘s time
>             always the same situation. We don’t know why？
>             Thanks！！！

Hi, I do not answer for free to private support requests. If you
want support for free, then please use the mailing list. If you are
looking for consulting, then let us first agree on what you are
looking for exactly.

-- 
					    Gilles.
https://click-hack.org