proposed instruction trace support in SystemTap

[Frank Ch. Eigler]

Hi -

On Wed, Aug 29, 2007 at 08:28:55AM -0700, Dave Nomura wrote:
> Would the performance of utrace be acceptable for doing instruction 
> tracing?  

Probably.

> It sounds like a lot of the signal overhead of ptrace is eliminated.

Yes.

> Would utrace only be useful for user-mode stepping, 

Yes.

> or could it somehow handle the in-kernel case?

No.

- FChE