linux-kernel - Re: [patch 2/8] 2.6.22-rc3 perfmon2 : Debug messages added

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Message-ID: <20070620203944.GB26200@frankl.hpl.hp.com>
Date:	Wed, 20 Jun 2007 13:39:44 -0700
From:	Stephane Eranian <eranian@....hp.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Robert Richter <robert.richter@....com>,
	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org
Subject: Re: [patch 2/8] 2.6.22-rc3 perfmon2 : Debug messages added

On Wed, Jun 20, 2007 at 01:28:50PM -0700, David Rientjes wrote:
> On Wed, 20 Jun 2007, Stephane Eranian wrote:
> 
> > > After commenting on your first set of patches, I've been using it a little 
> > > more.  In my use, these debugging messages weren't very helpful because 
> > > "pfm_file_ops" can indicate pfm_mmap, pfm_read, pfm_poll, etc.  Could 
> > > these be changed to be more specific based on the function they're in?
> > > 
> > the PFM_DBG() macro adds the CPU, function name and line number to the
> > printed string.
> > 
> 
> That's not the case in what I currently have in my tree, I'll go back and 
> see what I'm missing.

Bizarre. Becuase if you've disabled CONFIG_PERFMON_DEBUG, then all the PFM_DBG()
are removed. 

> 
> What's the current status of the perfmon2 patchset that Robert's work is 
> based on?

Well, I have been hacking on it a lot especially to allow Oprofile and
perfmon2 to co-exist (mutual-exclusion). I am hoping to release something
before I fly to OLS next week. I have started integrating  Robert's patches.
I also have to integrate IBM's Cell support patch.

-- 
-Stephane
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