On Sat, Mar 07, 2015 at 10:08:21AM -0800, Paul E. McKenney wrote: > The rest of this series looks promising, but I do have to ask... How have > you tested these? The most straightforward approach would be to find
I tried trees with 1,2 and 3 levels on a 160-CPU machine + dozens of kernel builds with 'make -j160'. I feel bit guilty I did not try the corner case with 4 levels, but run-time-wise it is not really differ from what I done. Do you expect the below is a better option? > a KVM-capable system with at least 16 CPUs and type the following from > the top-level directory: > > sh tools/testing/selftests/rcutorture/bin/kvm.sh --cpus 34 --duration 5 > > This will do a series of 16 build-boot-test cycles with various configs > (including various rcu_node tree shapes), and print a summary of the > outcome at the end. > > For these sorts of changes, I usually also do some user-level testing. -- Regards, Alexander Gordeev agord...@redhat.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
