[LITMUS^RT] st-job-stats

[Björn Brandenburg]

> On 24. Sep 2018, at 10:31, Martinez Garcia Jorge Luis (PS-EC/ESB2) <JorgeLuis.MartinezGarcia at de.bosch.com> wrote:
> 
> How can I check if my trace buffers was actually incremented? 

IIRC dmesg or LITMUS^RT’s debug TRACE() should let you know how large a buffer was actually allocated. Actual buffer size depends on memory availability and the RPi is pretty small compared to x86 multicores. 

> By the way, do I have to recompile liblitmus and feather-trace-tool for the new kernel with larger trace buffer (CONFIG_SCHED_OVERHEAD_TRACE_SHIFT=25)?

No. This only affects the kernel.

Best,
Björn