On Tue, Jan 17, 2017 at 06:38:43PM +0200, Sagi Grimberg wrote: > > >Just for the record, all tests you've run are with the upper irq_poll_budget of > >256 [1]? > > Yes, but that's the point, I never ever reach this budget because > I'm only processing 1-2 completions per interrupt. > > >We (Hannes and me) recently stumbed accross this when trying to poll for more > >than 256 queue entries in the drivers we've been testing. s/stumbed/stumbled/ > > What do you mean by stumbed? irq-poll should be agnostic to the fact > that drivers can poll more than their given budget? So what you say is you saw a consomed == 1 [1] most of the time? [1] from http://git.infradead.org/nvme.git/commitdiff/eed5a9d925c59e43980047059fde29e3aa0b7836 -- Johannes Thumshirn Storage jthumshirn@xxxxxxx +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850 -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
