Messages in this thread | | | Date | Wed, 25 Jun 2014 15:33:10 +0400 | From | Stanislav Fomichev <> | Subject | Re: [PATCH 1/5] perf trace: add support for pagefault tracing |
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> > 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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