linux-kernel - Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters

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Message-Id: <1156463572.19702.46.camel@linuxchandra>
Date:	Thu, 24 Aug 2006 16:52:52 -0700
From:	Chandra Seetharaman <sekharan@...ibm.com>
To:	rohitseth@...gle.com
Cc:	Rik van Riel <riel@...hat.com>, ckrm-tech@...ts.sourceforge.net,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andi Kleen <ak@...e.de>, Christoph Hellwig <hch@...radead.org>,
	Andrey Savochkin <saw@...ru>, devel@...nvz.org,
	hugh@...itas.com, Ingo Molnar <mingo@...e.hu>,
	Kirill Korotaev <dev@...ru>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Pavel Emelianov <xemul@...nvz.org>
Subject: Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters

On Thu, 2006-08-24 at 10:27 -0700, Rohit Seth wrote:

<snip>

> > What do you mean by "resource management part for non-container world
> > already exist ?
> > 
> > It does not. CKRM/Resource Groups is trying to do that, but is not in
> > Linus's tree.
> > 
> 
> Please, non-container is the environment that exist today in Linux.
> Actually cpuset does provide some part of it.  But beyond that no.  

cpuset provides resource _isolation_, not necessarily resource
management.

> 
> But then we are all using different terminology like beancounters,
> containers, resource groups and now non-containers...
> 

<snip>

> > > I'm sure when container support gets in then for the above scenario it
> > > will read -1 ...
> > 
> > So, how can one get the list of tasks belonging to a resource group in
> > that case ?
> > >
> 
> ...and that brings to the starting question...why do you need it?

Like I said earlier, there is _no_ other way to get the list of tasks
belonging to a resource group.

> Commands like ps and top will show appropriate container number for each
> task.

There is _no_ container number in the non-container environment (or it
will be same for _all_ tasks).

> 
> -rohit
> 
-- 

----------------------------------------------------------------------
    Chandra Seetharaman               | Be careful what you choose....
              - sekharan@...ibm.com   |      .......you may get it.
----------------------------------------------------------------------


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