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Re: dtrace/systemtap options

From: olafBuddenhagen
Subject: Re: dtrace/systemtap options
Date: Mon, 26 May 2008 21:25:33 +0200
User-agent: Mutt/1.5.17+20080114 (2008-01-14)


On Fri, May 23, 2008 at 04:20:12PM -0400, Andrei Barbu wrote:

> I've been thinking about all of the various ways to get either Dtrace
> or SystemTap working. I've come up with 4 options:

> [...] On the downside this is inherently R/O, although that does
> increase security significantly.

I don't think this changes security properties in any way. A process
that can do such system tracing must be absolutely trusted anyways, RO
or RW all the same.

Maybe you actually mean that RW increases the risk of crashing?...
(Well, what fun would there be in system development, without the
prospect of regular crashes? ;-) )

I haven't yet formed an opinion on the other points.


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