[lttng-dev] Prerequsites for adding perf context

Oestman, Fredrik Fredrik_Oestman at mentor.com
Fri Jun 15 04:23:51 EDT 2012


What exactly is needed on a system for

# lttng add-context -k -t perf:<something>

to work? Does perf have to be installed?

I have hw perfevents, but not perf, and get

hw perfevents: unable to reserve pmu


Fredrik Östman

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