linux-kernel - Re: [ProbableSpam] Re: [RFC, PATCH 0/5] Going forward with Resource Management

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Message-Id: <1154966294.1174.38.camel@linuxchandra>
Date:	Mon, 07 Aug 2006 08:58:14 -0700
From:	Chandra Seetharaman <sekharan@...ibm.com>
To:	Paul Jackson <pj@....com>
Cc:	Kirill Korotaev <dev@...ru>, nagar@...son.ibm.com, akpm@...l.org,
	vatsa@...ibm.com, mingo@...e.hu, nickpiggin@...oo.com.au,
	sam@...ain.net, linux-kernel@...r.kernel.org, dev@...nvz.org,
	efault@....de, balbir@...ibm.com, haveblue@...ibm.com
Subject: Re: [ProbableSpam] Re: [RFC, PATCH 0/5] Going forward with
	Resource Management - A cpu  controller

On Mon, 2006-08-07 at 02:30 -0700, Paul Jackson wrote:
> Kirill wrote:
> > > A filesystem based interface is useful when you have hierarchies (as resource
> > > groups and cpusets do) since it naturally defines a convenient to use
> > > hierarchical namespace.
> > but it is not much convinient for applications then.
> 
> Is this simply a language issue?  File systems hierarchies
> are more easily manipulated with shell utilities (ls, cat,
> find, grep, ...) and system call API's are easier to access
> from C?
> 
> If so, then perhaps all that's lacking for convenient C access
> to a filesystem based interface is a good library, that presents
> an API convenient for use from C code, but underneath makes the
> necessary file system calls (open, read, diropen, stat, ...).
> 

I totally agree. 

When the difference comes to language issue, one advantage of filesystem
is that there is no need for a user space app to do simple management.
-- 

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


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