[PATCH 00/17] coresight: next v4.12-rc4

[Leo Yan]

Hi Kim,

On Tue, Jun 13, 2017 at 04:17:12PM -0500, Kim Phillips wrote:

[...]

> > > Also, do the current juno platforms not have CPU debug modules?  I'd
> > > like to test the new driver.
> > 
> > By all means - Leo pointed out the patch adding the CPU debug entries in
> > the DT  file for Juno.
> 
> Thanks, I applied it, was able to
> toggle /sys/kernel/debug/coresight_cpu_debug/enable, but wasn't sure
> how to trigger the cpu debug output...

You could trigger panic flow with command, then can see CPU debug output:
echo c > /proc/sysrq-trigger

Thanks,
Leo Yan