Messages in this thread | | | Date | Sat, 23 Sep 2006 12:51:35 -0400 | From | Mathieu Desnoyers <> | Subject | Re: [PATCH] Linux Kernel Markers 0.5 for Linux 2.6.17 (with probe management) |
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* Ingo Molnar (mingo@elte.hu) wrote: > 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 ... >
The problem with __handle_mm_fault() is that the struct pt_regs * is not passed to this function. An event containing both the address where the fault occurs and the instruction pointer that caused the fault is very useful.
Mathieu
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