linux-kernel - Re: [PATCH 1/3] aerdrv: Trace Event for AER

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Message-ID: <20121130173635.GD23034@liondog.tnic>
Date:	Fri, 30 Nov 2012 18:36:35 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Lance Ortiz <lance.ortiz@...com>, bhelgaas@...gle.com,
	lance_ortiz@...mail.com, jiang.liu@...wei.com, tony.luck@...el.com,
	mchehab@...hat.com, linux-acpi@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] aerdrv: Trace Event for AER

On Fri, Nov 30, 2012 at 08:53:51AM -0500, Steven Rostedt wrote:
> On Fri, 2012-11-30 at 14:42 +0100, Borislav Petkov wrote:
> 
> > So, it sounds to me like we should we move all RAS-specific tracepoints
> > to <trace/events/ras.h> and then in each usage site do:
> 
> Note, the CREATE_TRACE_POINTS must only be done in one location. Not
> every place. It creates the code that does the work to make the
> tracepoints show up in /debug/tracing/events/* as well as the callback
> code and other such things. If you define it in more than one .c file,
> then you will have linker issues due to the functions being created more
> than once.
> 
> > 
> > #define CREATE_TRACE_POINTS
> > #include <trace/events/ras.h>
> > 
> > Correct?
> 
> That's the default way to do things.

Ok, cool.

Lance, care to move the TP to a new header called
include/trace/events/ras.h in your next iteration of the patches?

I'll later move the mc_event TP there too and drop the RAS-specific TP
header.

Thanks.

-- 
Regards/Gruss,
    Boris.
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