[lttng-dev] tracing page_faults with lttng?

[Milian Wolff]

On Samstag, 12. Oktober 2019 23:31:51 CET Milian Wolff via lttng-dev wrote:
> On Montag, 29. Mai 2017 10:44:50 CEST Milian Wolff wrote:
> > On Wednesday, May 24, 2017 6:26:38 PM CEST Francis Deslauriers wrote:
> > > Hi Milian,
> > > Are you running on an x86 processor?
> > 
> > Yes, Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz.
> > 
> > > The pagefault tracepoints are called : x86_exceptions_page_fault_user,
> > > x86_exceptions_page_fault_kernel
> > > Can you see those tracepoints when you run: lttng list --kernel
> > 
> > Yes:
> > 
> > $ lttng list --kernel | grep fault
> > 
> >       x86_exceptions_page_fault_user (loglevel: TRACE_EMERG (0)) (type:
> > tracepoint)
> > 
> >       x86_exceptions_page_fault_kernel (loglevel: TRACE_EMERG (0)) (type:
> > tracepoint)
> > 
> >       kvm_async_pf_doublefault (loglevel: TRACE_EMERG (0)) (type:
> > tracepoint)
> 
> Hey there,
> 
> a follow up to the above question: What about tracing page faults on ARM?
> Perf can do that, but I see no page_fault trace points in the output of
> `lttng list -k`?

ping?

-- 
Milian Wolff | milian.wolff at kdab.com | Senior Software Engineer
KDAB (Deutschland) GmbH, a KDAB Group company
Tel: +49-30-521325470
KDAB - The Qt, C++ and OpenGL Experts
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