On Thu, Nov 05, 2015 at 10:46:05AM +0800, Bob Liu wrote: > > On 11/05/2015 10:43 AM, Konrad Rzeszutek Wilk wrote: > > On Mon, Nov 02, 2015 at 12:21:46PM +0800, Bob Liu wrote: > >> Make pool of persistent grants and free pages per-queue/ring instead of > >> per-device to get better scalability. > > > > How much better scalability do we get? > > > > Which already showed in [00/10], I paste them here: > > domU(orig) 4 queues 8 queues 16 queues > iops: 690k 1024k(+30%) 800k 750k > > > After patch 9 and 10: > domU(orig) 4 queues 8 queues 16 queues > iops: 690k 1600k(+100%) 1450k 1320k
And if you split it? As in only patch 9? If you could - please mention in the description that with 4 queues with this patch you get 100% increase in IOPS. > > Chart: https://www.dropbox.com/s/agrcy2pbzbsvmwv/iops.png?dl=0 -- 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/
