RE: [question] utrace user api / branch trace support

[Metzger, Markus T]

>-----Original Message-----
>From: Metzger, Markus T 
>Sent: Freitag, 28. März 2008 14:45
>To: 'Ingo Molnar'; 'roland@xxxxxxxxxx'

Resend...


>Ingo, Roland,
>
>I started looking into utrace. I found something at 
>.../git/frob/utrace.git.
>
>
>When I google for utrace, I find articles at lwn.net. One of 
>them (http://lwn.net/Articles/224772/) says "The core utrace 
>code does not interface with user space at all; instead, it is 
>an in-kernel API ....".
>
>That same article further says "Utrace replaces ptrace() 
>entirely, while maintaining the same interface to user space".
>
>
>I fail to understand the relation to Roland's comments that he 
>does not want further ptrace user API extensions. 
>
>Maybe these articles are outdated and there is meanwhile a 
>utrace user API. Would you please point me to some 
>documentation on how application debuggers will use utrace?
>
>
>thanks and regards,
>markus.
>
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