Dynamic djprobe (and summary of Q&A)

Frank Ch. Eigler fche@redhat.com
Fri Jul 29 19:27:00 GMT 2005


Hi -

Karim Yaghmour wrote:

> [...]  But let me take this even further. Say, after much
> discussion, those still interested in promoting this mechanism
> actually came up with a set of guidelines of where and when djprobe
> can or cannot be used.  [...]

Indeed.

> then how are messages such as "cannot insert probe point at address
> XYZ because of your architectures' limitations, please choose
> another location" going to be helpful to users?

But there does not have to be a message.  Depending on when the
failure of the applicability predicates becomes known (translation or
insertion time), the djprobe can be downgraded to a plain kprobe.


- FChE
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