linux-kernel - Re: [Patch] mm tracepoints

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Message-ID: <20090306180154.GA20292@elte.hu>
Date:	Fri, 6 Mar 2009 19:01:54 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Larry Woodman <lwoodman@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-kernel@...r.kernel.org, fweisbec@...il.com
Subject: Re: [Patch] mm tracepoints


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Fri, 2009-03-06 at 18:38 +0100, Peter Zijlstra wrote:
> > On Fri, 2009-03-06 at 18:10 +0100, Ingo Molnar wrote:
> > > Looks pretty good and useful to me. I've Cc:-ed more mm folks, 
> > > it would be nice to hear their opinion about these tracepoints.
> > > 
> > > Andrew, Nick, Peter, what do you think?
> > 
> > Bit sad we use the struct mm_struct * as mm identifier (little %lx vs %p
> > confusion there too), but I suppose there simply isn't anything better.
> 
> > Things missing, 
> 
> Why only anon and filemap, that misses out on all the funky 
> driver ->fault() handlers.

btw., does it include shm faults? I think all of this would be 
handled if the tracepoint was at handle_mm_fault(), right?

	Ingo
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