linux-kernel - Re: [PATCH v2] printk: add console output tracing

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Message-ID: <1322244669.4123.9.camel@jlt3.sipsolutions.net>
Date:	Fri, 25 Nov 2011 19:11:09 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Christoph Hellwig <hch@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH v2] printk: add console output tracing

On Fri, 2011-11-25 at 18:43 +0100, Frederic Weisbecker wrote:

> > > So, in your tracepoint you can safely use "end - start" as a length for your
> > > dynamic array. But the rest of your tracepoint (all the fast assign part)
> > > still needs the masks as you did.
> > 
> > Oh, that's all you were trying to say?
> 
> Yeah I first thought my comment applied to all the mask game in the tracepoint but then
> I started to feel ashamed when I realized it was only on the dynamic array declaration :)

Well it did actually apply to the memcpy length in one of the cases
too :)

johannes

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