Hi Christoph, Do you think this is still an issue that would be worth discsussing at the kernel summit as a technical topic? If so, would you be willing to be responsible for kicking off the discussion for this topic? Thanks, - Ted On Wed, Jul 15, 2015 at 05:07:08AM -0700, Christoph Hellwig wrote: > Many years ago we decided to move setting of IRQ to core affnities to > userspace with the irqbalance daemon. > > These days we have systems with lots of MSI-X vector, and we have > hardware and subsystem support for per-CPU I/O queues in the block > layer, the RDMA subsystem and probably the network stack (I'm not too > familar with the recent developments there). It would really help the > out of the box performance and experience if we could allow such > subsystems to bind interrupt vectors to the node that the queue is > configured on. > > I'd like to discuss if the rationale for moving the IRQ affinity setting > fully to userspace are still correct in todays world any any pitfalls > we'll have to learn from in irqbalanced and the old in-kernel affinity > code. > _______________________________________________ > Ksummit-discuss mailing list > Ksummit-discuss@xxxxxxxxxxxxxxxxxxxxxxxxx > https://lists.linuxfoundation.org/mailman/listinfo/ksummit-discuss -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
