Re: [PATCH tip/core/rcu 17/86] rcu: fix boost-tracing bug andupdate tracing documentation

From: Paul E. McKenney
Date: Mon May 02 2011 - 18:19:33 EST


On Mon, May 02, 2011 at 10:44:42AM -0700, Josh Triplett wrote:
> On Mon, May 02, 2011 at 01:33:01AM -0700, Paul E. McKenney wrote:
> > On Sun, May 01, 2011 at 08:43:10AM -0700, Josh Triplett wrote:
> > > Also, does rcu/rcutorture appear with rcutorture not loaded? Hopefully
> > > not, since rcutorture shouldn't take up any additional resources when
> > > not loaded.
> >
> > Not much choice, unfortunately. If I put the info into rcutorture, then
> > I lose it when rcutorture is unloaded. This is problematic in automated
> > tests that repeatedly load and unload rcutorture.
> >
> > But the amount of data is small, and I set things up so that TINY_RCU
> > can omit this. TREE_RCU is big enough that it doesn't really matter.
>
> You could omit it entirely if CONFIG_RCU_TORTURE_TEST=n (rather than
> =m).

I could, but it doesn't seem worth it. Of course, it might be just
the fact that I am writing this from the Toronto airport...

Thanx, Paul
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