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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: balbir@in.ibm.com
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, lse-tech@lists.sourceforge.net,
	jlan@engr.sgi.com
Subject: Re: [Patch 2/8] Sync block I/O and swapin delay collection
Date: Wed, 10 May 2006 10:15:21 +1000	[thread overview]
Message-ID: <44613099.4020502@yahoo.com.au> (raw)
In-Reply-To: <20060509172716.GB10478@in.ibm.com>

Balbir Singh wrote:
> On Tue, May 09, 2006 at 06:20:12PM +1000, Nick Piggin wrote:

>>So... what are the consumers of this data going to be? That is my question.
> 
> 
> More details on the consumers of this data is available at
> http://lkml.org/lkml/2006/3/13/367

Profiling, monitoring, and control (workload management).

Sounds like something that at the moment, most users and most
applications will not use, most of the time.

I won't question the usefulness of the statistics to some
applications, but at the moment is it is reasonable to add this
overhead for everyone, or even for all tasks? Adding a bit more
work for those that want the stats won't be too bad.

Thanks,
Nick

-- 
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com 

  reply	other threads:[~2006-05-10  0:15 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-02  6:14 [Patch 2/8] Sync block I/O and swapin delay collection Balbir Singh
2006-05-08 21:19 ` Andrew Morton
2006-05-09  3:53   ` Balbir Singh
2006-05-09  4:23     ` Nick Piggin
2006-05-09  5:45       ` Balbir Singh
2006-05-09  5:57         ` Nick Piggin
2006-05-09  8:06           ` Balbir Singh
2006-05-09  8:20             ` Nick Piggin
2006-05-09 17:27               ` Balbir Singh
2006-05-10  0:15                 ` Nick Piggin [this message]
2006-05-10 10:20   ` [PATCH][delayacct] Add comments on units for the delay fields (was Re: [Patch 2/8] Sync block I/O and swapin delay collection) Balbir Singh
  -- strict thread matches above, loose matches on Subject: below --
2006-04-22  2:16 [Patch 0/8] per-task delay accounting Shailabh Nagar
2006-04-22  2:29 ` [Patch 2/8] Sync block I/O and swapin delay collection Shailabh Nagar

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