Re: [Linuxptp-users] Loss of sync with 25% of CPU load

[Diego G. P. <gpr...@un...>]

Sorry but I only have the ptp4l running and I want to add stress. I have 
not tuned it yet. I supposed that someone had done the same (ptp4l + 
stress) and experienced the same problems like me.

Thank you for your help. I apreciate it.

Diego


El 22/04/2021 a las 17:12, Richard Cochran escribió:
> On Thu, Apr 22, 2021 at 11:55:57AM +0200, Diego García Prieto wrote:
>> adding CPU load, suddenly I lose sync. I have to say that if I force ptp4l
>> and phc2sys to run in one core and the threads in other cores, everything is
>> OK,
> Ah, now you are getting somewhere!
>
> You are attempting to tune your system for your own performance
> requirements.  Sorry to say it, but there is no silver bullet, no
> magic wand, and we on the list don't have a crystal ball.
>
> Tuning your system is work that you have to do.
>
> BTW, if you don't have it already, here is a book that might interest you.
>
>      Brendan Gregg, Systems Performance: Enterprise and the Cloud, 2nd Edition
>      http://www.brendangregg.com/systems-performance-2nd-edition-book.html
>
> It won't solve your problem directly, but it might help along the way.
>
>
> Good luck,
>
> Richard