From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: eric <ericvic@163.com>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai] x86 xenomai-2.6.4 linux-3.10.32 with i915 enble and CONFIG_PCI_MSI enble
Date: Tue, 11 Aug 2015 21:51:32 +0200 [thread overview]
Message-ID: <20150811195132.GD29076@hermes.click-hack.org> (raw)
In-Reply-To: <20150811194457.GC29076@hermes.click-hack.org>
On Tue, Aug 11, 2015 at 09:44:57PM +0200, Gilles Chanteperdrix wrote:
> On Tue, Aug 11, 2015 at 04:47:26PM +0800, eric wrote:
> > 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.
Sorry, you actually used the list. Seems like I just made a fool of
myself.
The answer is to use the I-pipe trace.
--
Gilles.
https://click-hack.org
prev parent reply other threads:[~2015-08-11 19:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-11 8:47 [Xenomai] x86 xenomai-2.6.4 linux-3.10.32 with i915 enble and CONFIG_PCI_MSI enble eric
2015-08-11 19:44 ` Gilles Chanteperdrix
2015-08-11 19:51 ` Gilles Chanteperdrix [this message]
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