Re: [PATCH 0/7] utrace/ptrace

[Andrew Morton]

On Fri, 18 Dec 2009 02:11:16 +0100
Oleg Nesterov <oleg@xxxxxxxxxx> wrote:

> Hello.
> 
> This is the new iteration of Roland's utrace patch, this time
> with "rewrite-ptrace-via-utrace" + cleanups in utrace core.
> 

So... should we merge this?

I'll confess that I've rather forgotten why we might want this.

> It allows for multiple separate tracing engines to work
> in parallel without interfering with each other.  Higher-level tracing
> facilities can be implemented as loadable kernel modules using this layer.

That's a bit brief.  Do you have a nicer sales brochure?  What are
these "separate tracing engines" and what is their merge status and why
would we want any of them, for what purpose?  etc.

IOW: give us a reason!
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