On Thu, 21 Feb 2008, Gregory Haskins wrote: > From: Peter W.Morreale <pmorreale@xxxxxxxxxx> > > In wakeup_next_waiter(), we take the pi_lock, and then find out whether > we have another waiter to add to the pending owner. We can reduce > contention on the pi_lock for the pending owner if we first obtain the > pointer to the next waiter outside of the pi_lock. > > This patch adds a measureable increase in throughput. I see how this may decrease contention (slightly less time in holding the pi_lock). But, please, when stating something like: "adds a measurable increase in throughput", show the benchmark numbers. -- Steve - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
