[LITMUS^RT] Tracing on overload

[Björn Brandenburg]

> On 02 Dec 2015, at 12:20, Yorick De Bock <yorickdebock4 at gmail.com> wrote:
> 
> I am executing real-time tasks on a VM with one dedicated VCPU in Xen, the total load is higher then 100% (to test a new scheduler in Xen) of the real-time task. The selected scheduling algorithm is GSN-EDF.
> 
> When using the litmus-rt 2014.2 version, feather-trace traces the events of the the real-time jobs (base_task) where the deadline is met and the jobs with a deadline miss.
> 
> When using the litmus-rt 2015.1 version, feather trace doesn't log the traces during the overload situation. I only see the tasks where the deadline is met (at the beginning).

Hi Yorick,

from the top of my head, I can’t think of a change that would cause this. Can you provide some more detail? Are you running ftcat as a real-time task? Is the Feather-Trace buffer filling up?

- Björn