Re: [PATCH] Linux Kernel Markers 0.5 for Linux 2.6.17 (with probe management)

[Ingo Molnar]

* Mathieu Desnoyers <compudj@xxxxxxxxxxxxxxxxxx> wrote:

> >   "As an example, LTTng traces the page fault handler, when kprobes 
> >   just can't instrument it."
> > 
> > but tracing a raw pagefault at the arch level is a bad idea anyway, 
> > we want to trace __handle_mm_fault(). That way you can avoid having 
> > to modify every architecture's pagefault handler ...
> 
> Then you lose the ability to trace in-kernel minor page faults.

that's wrong, minor pagefaults go through __handle_mm_fault() just as 
much.

	Ingo
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