Date: Thu, 30 Mar 2006 18:53:59 +0530
From: Dipankar Sarma <dipankar@in.ibm.com>
To: Andrew Morton <akpm@osdl.org>
Cc: balbir@in.ibm.com, nagar@watson.ibm.com, greg@kroah.com,
       arjan@infradead.org, hadi@cyberus.ca, ak@suse.de,
       linux-kernel@vger.kernel.org, lse-tech@lists.sourceforge.net
Subject: Re: [Lse-tech] Re: [Patch 0/8] per-task delay accounting
Message-ID: <20060330132359.GB1701@in.ibm.com>
Reply-To: dipankar@in.ibm.com
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On Wed, Mar 29, 2006 at 10:47:37PM -0800, Andrew Morton wrote:
> 
> Sounds fine to me, but I'm not a stakeholder.
> 
> Trolling back through lse-tech gives us:
> 
> Scalable statistics counters with /proc reporting:
>   Ravikiran G Thirumalai <kiran@in.ibm.com>
>   (Kiran feft IBM, but presumably the requirement lives on)

Not necessarily in that form. A lot of statistics has now become
per-cpu, something we wanted to achieve back then. Automatic
/proc reporting was an idea only tossed around, but /proc is now
deprecated for such things. There may be a need for fast export of 
counters to userspace, but those requirements are not yet clear.

This is different from per-task accounting infrastructure that
people are trying to develop.

Thanks
Dipankar
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