Re: [PATCH v2 0/9] Extended H/W error log driver

Steven Rostedt
2013-10-16T16:56:49Z

On Wed, 16 Oct 2013 18:05:50 +0200
Borislav Petkov <bp@alien8.de> wrote:

> > For trace output format we still need further discussion. In the last
> > patch(support trace interface) I have to reserve previous Kconfig
> > format because I find once I put trace_event interface in the module,
> > it will not work. I will paste another trace patch(it only works when

What did not work?

> > acpi_extlog is builtin) for your answer.
>
> I think to be able to define TRACE_EVENTs in modules, you need
> https://lwn.net/Articles/383362/
>
> Steve, that still true?
>

Take a look at samples/trace_events/

That's a module that uses TRACE_EVENTs.

What exactly is the problem here?

-- Steve