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

From: Josh Triplett
Date: Mon May 02 2011 - 13:45:14 EST


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).

- Josh Triplett
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