[alsa-devel] [PATCH v2 07/12] ASoC: SOF: Add DSP firmware trace event support

[Liam Girdwood]

On Mon, 2018-09-03 at 17:25 +0100, Mark Brown wrote:
> On Fri, Aug 31, 2018 at 04:19:05PM +0100, Liam Girdwood wrote:
> 
> > Add a trace event buffer that can be used by userspace to read DSP runtime
> > trace events alongside bespoke trace data in realtime for firmware debug.
> 
> Should this be integrated into the Linux trace event mechanism rather
> than open coded?  It would at least be nice to not call this a trace
> event buffer - when I initially read this I was expecting it to be for
> the standard Linux stuff which obviously it isn't.

Your right, I'll rename. The eventual aim is to make it more like Linux trace
but we are constrained somewhat as some DSPs only 96kB or instruction RAM, hence
it's a simple and raw trace infrastructure.

Liam