Re: [RFC] tracing: Adding cgroup aware tracing functionality

From: Peter Zijlstra
Date: Fri Apr 08 2011 - 10:08:52 EST


On Fri, 2011-04-08 at 15:45 +0200, Frederic Weisbecker wrote:
>
> I bet this idea is not controversial. What has yet to be solved is
> the debate on the writers that can run in overwriting mode at the same
> time we have readers. Which comes along debates on using subbuffers,
> etc..
>
> But I guess we can solve that along the way?

Dunno, but the much larger point is how ftrace is going to want to do
multiple sessions and keep session context etc (what events to where).
I've only heard some vague hand waving there but never heard anything
concrete.


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