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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
Date: Thu, 30 Mar 2006 18:53:59 +0530	[thread overview]
Message-ID: <20060330132359.GB1701@in.ibm.com> (raw)
In-Reply-To: <20060329224737.071b9567.akpm@osdl.org>

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

  parent reply	other threads:[~2006-03-30 13:25 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-30  0:32 [Patch 0/8] per-task delay accounting Shailabh Nagar
2006-03-30  0:35 ` [Patch 1/8] Setup Shailabh Nagar
2006-03-30  5:03   ` Andrew Morton
2006-03-30 15:07     ` Shailabh Nagar
2006-03-30  0:37 ` [Patch 2/8] Block I/O, swapin delays Shailabh Nagar
2006-03-30  5:03   ` Andrew Morton
2006-03-30 15:21     ` Shailabh Nagar
2006-03-30  0:42 ` [Patch 3/8] cpu delays Shailabh Nagar
2006-03-30  5:03   ` Andrew Morton
2006-03-30 16:01     ` Shailabh Nagar
2006-03-30 16:00   ` Dave Hansen
2006-03-30 16:03     ` Shailabh Nagar
2006-03-30  0:48 ` [Patch 4/8] generic netlink utility functions Shailabh Nagar
2006-03-30  0:52 ` [Patch 5/8] generic netlink interface for delay accounting Shailabh Nagar
2006-03-30  5:04   ` Andrew Morton
2006-03-30  6:10     ` Balbir Singh
2006-03-30  6:26       ` Andrew Morton
2006-03-30  6:29         ` Balbir Singh
2006-03-30 16:24       ` Shailabh Nagar
2006-03-30  0:54 ` [Patch 6/8] virtual cpu run time Shailabh Nagar
2006-03-30  5:04   ` Andrew Morton
2006-03-30 16:10     ` Shailabh Nagar
2006-03-30  0:56 ` [Patch 7/8] proc interface for block I/O delays Shailabh Nagar
2006-03-30  5:04   ` Andrew Morton
2006-03-30  0:59 ` [Patch 8/8] documentation, userspace utility Shailabh Nagar
2006-03-30  5:03 ` [Patch 0/8] per-task delay accounting Andrew Morton
2006-03-30  6:23   ` Balbir Singh
2006-03-30  6:47     ` Andrew Morton
2006-03-30  9:55       ` Paul Jackson
2006-03-30 13:23       ` Dipankar Sarma [this message]
2006-03-30 17:23       ` Shailabh Nagar
2006-03-31  2:54         ` Peter Chubb
2006-03-31  5:27           ` Shailabh Nagar
2006-03-31  8:17             ` Peter Chubb
2006-03-31 16:03               ` Shailabh Nagar
     [not found]       ` <442CCF54.3000501@watson.ibm.com>
2006-03-31  7:31         ` Guillaume Thouvenin
2006-03-31 17:01           ` Shailabh Nagar
     [not found]         ` <442D8E39.8080606@engr.sgi.com>
     [not found]           ` <442DED81.5060009@engr.sgi.com>
2006-04-10 17:15             ` Jay Lan
2006-04-10 21:44               ` Shailabh Nagar
2006-04-10 22:33                 ` [Lse-tech] " Jay Lan

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