> On February 03, 2016 5:48, Gavin Lambert replied:
>
> On 3 February 2016 21:02, quoth Tillman, Scott:
> > Since you brought up the typical process cycle: I have been using a
> > process similar the second one you describe.
[...]
> > As it is the double buffering is the same
> > idea, but causes
om: Graeme Foot [mailto:graeme.f...@touchcut.com]
> Sent: Thursday, 4 February 2016 12:21
> To: Gavin Lambert ; 'Tillman, Scott'
> ; Dr.-Ing. Matthias Schöpfer
> ; etherlab-dev@etherlab.org
> Subject: RE: [etherlab-dev] Possible Realtime Issues with Ethercat Master and
>
a.m.
To: 'Tillman, Scott'; Graeme Foot; Dr.-Ing. Matthias Schöpfer;
etherlab-dev@etherlab.org
Subject: RE: [etherlab-dev] Possible Realtime Issues with Ethercat Master and
RT Preempt Kernel
On 3 February 2016 21:02, quoth Tillman, Scott:
> Since you brought up the typical process cycle
On 3 February 2016 21:02, quoth Tillman, Scott:
> Since you brought up the typical process cycle: I have been using a process
> similar the second one you describe. I was very surprised when I was doing my
> initial development that the output frame and the return frame were overlaid,
> requiring
lman, Scott [mailto:scott.till...@bhemail.com]
Sent: Wednesday, 3 February 2016 9:02 p.m.
To: Graeme Foot; Dr.-Ing. Matthias Schöpfer; etherlab-dev@etherlab.org
Subject: RE: [etherlab-dev] Possible Realtime Issues with Ethercat Master and
RT Preempt Kernel
Hi Graeme,
Since you brought up the typi
-
> From: etherlab-dev [mailto:etherlab-dev-boun...@etherlab.org] On
> Behalf Of Dr.-Ing. Matthias Schöpfer
> Sent: 26. januar 2016 14:22
> To: etherlab-dev@etherlab.org
> Subject: [etherlab-dev] Possible Realtime Issues with Ethercat Master
> and RT Preempt Kernel
>
>
erlab-dev [mailto:etherlab-dev-boun...@etherlab.org] On
> Behalf Of Dr.-Ing. Matthias Schöpfer
> Sent: 26. januar 2016 14:22
> To: etherlab-dev@etherlab.org
> Subject: [etherlab-dev] Possible Realtime Issues with Ethercat Master
> and RT Preempt Kernel
>
> Hi!
>
> We started
half Of Dr.-Ing. Matthias Schöpfer
Sent: 26. januar 2016 14:22
To: etherlab-dev@etherlab.org
Subject: [etherlab-dev] Possible Realtime Issues with Ethercat Master
and RT Preempt Kernel
Hi!
We started using etherlab/ethercat and are quite impressed. Nice work!
We are running Linux with a RT_PREEM
>> Which version of kernel are you using?
>>>
>>> Best regard,
>>>
>>> Thomas Winding
>>>
>>> -Original Message-
>>> From: etherlab-dev [mailto:etherlab-dev-boun...@etherlab.org] On
>>> Behalf Of Dr.-Ing. Matthias Sch
mas Winding
-Original Message-
From: etherlab-dev [mailto:etherlab-dev-boun...@etherlab.org] On Behalf Of
Dr.-Ing. Matthias Schöpfer
Sent: 26. januar 2016 14:22
To: etherlab-dev@etherlab.org
Subject: [etherlab-dev] Possible Realtime Issues with Ethercat Master and RT
Preempt Kernel
Hi!
Schöpfer
> Sent: 26. januar 2016 14:22
> To: etherlab-dev@etherlab.org
> Subject: [etherlab-dev] Possible Realtime Issues with Ethercat Master and RT
> Preempt Kernel
>
> Hi!
>
> We started using etherlab/ethercat and are quite impressed. Nice work!
>
> We are running Linux
are you using?
Best regard,
Thomas Winding
-Original Message-
From: etherlab-dev [mailto:etherlab-dev-boun...@etherlab.org] On Behalf Of
Dr.-Ing. Matthias Schöpfer
Sent: 26. januar 2016 14:22
To: etherlab-dev@etherlab.org
Subject: [etherlab-dev] Possible Realtime Issues with Ethercat
Hi!
We started using etherlab/ethercat and are quite impressed. Nice work!
We are running Linux with a RT_PREEMPT Kernel and e1000e ethercat
driver. We have to run at a cycle time of 1ms and we have jitter from
clock_nanosleep of about 15 microsecs max.
Nevertheless, we suffer from time to time
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