Re: [Xenomai] rt_e1000e driver issues

2015-09-01 Thread Gilles Chanteperdrix
On Mon, Aug 31, 2015 at 08:30:03PM +0200, Gilles Chanteperdrix wrote: > On Mon, Aug 31, 2015 at 04:04:18PM +0200, Stéphane ANCELOT wrote: > > Hi, > > > > I am checking timing issues of realtime rtnet frames in my application. > > Timing to send a frame is convenient. > > but I have some issues wi

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Jorge Ramirez Ortiz
On 08/24/2015 08:13 PM, Don Mahurin wrote: > Hi all, > > We would like to submit our current work on the arm64 port of > ipipe/xenomai. We hope that this contribution will encourage further > development of arm64 support in ipipe/xenomai. > > This port was largely developed on ipipe-3.10 as a bas

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Jorge Ramirez Ortiz
On 09/01/2015 02:27 PM, Dmitriy Cherkasov wrote: > We have seen this before, but so far have not found a way to consistently > reproduce it. > > There are some caveats with the current way context switching is done in > Xenomai. > > On armv7, there was a completely separate implementation of >

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Philippe Gerum
On 09/01/2015 09:11 PM, Jorge Ramirez Ortiz wrote: > On 09/01/2015 02:27 PM, Dmitriy Cherkasov wrote: >> We have seen this before, but so far have not found a way to consistently >> reproduce it. >> >> There are some caveats with the current way context switching is done in >> Xenomai. >> >> On ar

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Philippe Gerum
On 09/01/2015 09:11 PM, Jorge Ramirez Ortiz wrote: > On 09/01/2015 02:27 PM, Dmitriy Cherkasov wrote: >> We have seen this before, but so far have not found a way to consistently >> reproduce it. >> >> There are some caveats with the current way context switching is done in >> Xenomai. >> >> On ar

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Gilles Chanteperdrix
On Tue, Sep 01, 2015 at 03:11:05PM -0400, Jorge Ramirez Ortiz wrote: > On 09/01/2015 02:27 PM, Dmitriy Cherkasov wrote: > > We have seen this before, but so far have not found a way to consistently > > reproduce it. > > > > There are some caveats with the current way context switching is done in

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Jorge Ramirez Ortiz
>> >> Thanks Dimitry. >> I'll also try to look into this for this specific platform (however I am >> hopping >> that either Gilles or Philippe can spend some time on this soon) > > No arm64 hw here, so unless this is easily reproducible on a vm, I can > only help with code review. Did you enable

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Jorge Ramirez Ortiz
On 09/01/2015 03:30 PM, Philippe Gerum wrote: > On 09/01/2015 09:11 PM, Jorge Ramirez Ortiz wrote: >> On 09/01/2015 02:27 PM, Dmitriy Cherkasov wrote: >>> We have seen this before, but so far have not found a way to consistently >>> reproduce it. >>> >>> There are some caveats with the current way

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Hongfei Cheng
On Tue, Sep 1, 2015 at 1:14 PM, Jorge Ramirez Ortiz wrote: > > Don mentioned that the trace is not ready yet. We do have the ipipe tracer patch for arm64. We've been running it on a vendor-specific platform. Will send out the patch after testing it on QEMU. Hongfei _

Re: [Xenomai] xenomai/ipipe arm64 port

2015-09-01 Thread Don Mahurin
On Tue, Sep 1, 2015 at 1:14 PM, Jorge Ramirez Ortiz wrote: > > > > This latency seems high for such class of hardware, especially with no > > load. We'll need the tracer to dig this too. > > > > Don mentioned that the trace is not ready yet. > I updated the branches on our server: xenomai - arm6