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SubjectRe: [PATCH 1/5] perf trace: add support for pagefault tracing
> > Also, have you considered using:
> >
> > [root@zoo ~]# perf list exceptions:page_fault*
> > exceptions:page_fault_user [Tracepoint event]
> > exceptions:page_fault_kernel [Tracepoint event]
> > [root@zoo ~]#
> >
> > Instead? I need to check if they're completely equivalent to what we
> > need here...
> Hm, didn't know there are two kinds of fault events :-/
> But it seems these are x86 only.
Maybe we can use these x86 only events to trace userspace fault duration?
It seems we can pair exceptions:page_fault_user and
context_tracking:user_enter. But it's just a theory, need to verify...


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