From mboxrd@z Thu Jan  1 00:00:00 1970
From: mathieu.desnoyers@efficios.com (Mathieu Desnoyers)
Date: Fri, 15 Jun 2012 11:13:42 -0400
Subject: [lttng-dev] Prerequsites for adding perf context
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Message-ID: <20120615151342.GB28295@Krystal>

* Oestman, Fredrik (Fredrik_Oestman at mentor.com) wrote:
> Hi,
> 
> 
> 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

CONFIG_PERF_EVENTS. And what version of kernel do you use ?

> 
> 
> cheers,
> 
> Fredrik ?stman
> 
> 
> _______________________________________________
> lttng-dev mailing list
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-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com