Jogging from the gmoccapy ui works as fast as I can click the on-screen button 
with the mouse.

So it’s not a userspace issue.

> On Jul 30, 2020, at 5:43 PM, Chris Albertson <albertson.ch...@gmail.com> 
> wrote:
> 
> I'm using an x-box gamepad to jog three-axis and it is 100% in user space.
> There is zero noticeable "lag" or delay.
> 
> If there is a lag then it's a bug and not just the way it is.   Even on a
> non-real-time system if something like a web server or a spreadsheet took 2
> seconds I'd say it was broken.   There is something wrong.      Debugging
> it will require a bit of data collection.
> 
> 
> 
>> On Thu, Jul 30, 2020 at 1:51 PM Gene Heskett <ghesk...@shentel.net> wrote:
>> 
>>> On Thursday 30 July 2020 16:12:09 andy pugh wrote:
>>> 
>>> On Thu, 30 Jul 2020 at 19:49, Thaddeus Waldner <thadw...@gmail.com>
>> wrote:
>>>> I’m having an issue with jog lag when using a matrix keypad.
>>>> Keys are connected via a 7i73 board. I have each Jog key mapped to
>>>> halui.axis pins. Eg. X- is mapped to halui.axis.x.minus Is this the
>>>> correct way to connect jog keys?
>>> 
>>> It's one way, that should work.
>>> 
>>> Halui is a userspace component, so has the possibility of lagging, but
>>> I am concerned that this might be an issue with the matrix-kb
>>> component.
>>> 
>>> Halscope should be able to determine if the jog pin and the jog move
>>> operate at the same time. If they do then that might indicate that
>>> there is a problem further upstream.
>>> 
>>> I use a 7i73 + jogwheels and see no lag, but jogwheels are realtime
>>> end-to-end.
>> 
>> Not sure how it would work with servo's Andy, but despite my jog dials on
>> the sheldon having to navigate thru the encoders to get back to motion's
>> jog inputs, they are as realtime as you can get when 90% of that signal
>> path is in a 200HZ thread, and I don't get anywhere near halui with any
>> of that.  Its real slow.  I am using it to stop and by way of halui,
>> unhome if a driver faults, and the halui action might be up to 2 seconds
>> after the machine stops before the home star dissapears.
>> 
>> Just saying...
>> 
>> Cheers, Gene Heskett
>> --
>> "There are four boxes to be used in defense of liberty:
>> soap, ballot, jury, and ammo. Please use in that order."
>> -Ed Howdershelt (Author)
>> If we desire respect for the law, we must first make the law respectable.
>> - Louis D. Brandeis
>> Genes Web page <http://geneslinuxbox.net:6309/gene>
>> 
>> 
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> 
> 
> -- 
> 
> Chris Albertson
> Redondo Beach, California
> 
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