linux-kernel - Re: [RFC] [PATCH] To list all active probes in the system

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Message-ID: <20070206203638.GA23716@elte.hu>
Date:	Tue, 6 Feb 2007 21:36:38 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Srinivasa Ds <srinivasa@...ibm.com>, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, jkenisto@...ibm.com,
	anil.s.keshavamurthy@...el.com, prasanna@...ibm.com,
	ananth@...ibm.com
Subject: Re: [RFC] [PATCH] To list all active probes in the system


* Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Tue, 06 Feb 2007 15:25:35 +0530 Srinivasa Ds <srinivasa@...ibm.com> wrote:
> 
> >         I have developed a patch, that lists all active probes in 
> > the system.
> 
> userspace added the probes, so userspace should know where they all 
> are?

it's a kernel resource that user-space can influence so it's sensible to 
have some sort of visibility to them. For example if the userspace that 
has the 'info' crashes then another piece of user-space might want to 
recreate that info, to zap the probes.

also, this resource could leak, etc.

	Ingo
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