From: Benjamin Herrenschmidt <benh@kernel.crashing.org> Date: 2017-02-02 04:42:30
On Wed, 2017-02-01 at 20:40 -0800, Eric Dumazet wrote:
A typical benchmark would be to use 200 concurrent netperf -t TCP_RR,
through a single qdisc (protected by a spinlock)
Non ticket/queued spinlocks behave quite bad in this scenario.
I can try this next week if you want.