Re: [PATCH] context_tracking: New context tracking susbsystem

From: Steven Rostedt
Date: Tue Nov 27 2012 - 20:51:27 EST


On Tue, 2012-11-27 at 16:59 -0800, Paul E. McKenney wrote:
> On Tue, Nov 27, 2012 at 07:33:25PM +0100, Frederic Weisbecker wrote:
> > Create a new subsystem that probes on kernel boundaries
> > to keep track of the transitions between level contexts
> > with two basic initial contexts: user or kernel.
> >
> > This is an abstraction of some RCU code that use such tracking
> > to implement its userspace extended quiescent state.
> >
> > We need to pull this up from RCU into this new level of indirection
> > because this tracking is also going to be used to implement an "on
> > demand" generic virtual cputime accounting. A necessary step to
> > shutdown the tick while still accounting the cputime.
>
> I have queued this, and if it passes tests and inspection will try
> pushing it for 3.8.
>

You can add my Reviewed-by: Steven Rostedt <rostedt@xxxxxxxxxxx> if you
like.

-- Steve


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