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Date: Thu, 17 Jul 2014 14:59:26 +0800 From: Jason Wang <jasowang@...hat.com> To: David Miller <davem@...emloft.net> CC: rusty@...tcorp.com.au, mst@...hat.com, virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next V2 0/3] rx busy polling support for virtio-net On 07/17/2014 02:21 PM, David Miller wrote: > From: Jason Wang <jasowang@...hat.com> > Date: Wed, 16 Jul 2014 14:21:44 +0800 > >> Hi all: >> >> This series introduces the support for rx busy polling support. This >> was useful for reduing the latency for a kvm guest. Patch 1-2 >> introduces helpers which is used for rx busy polling. Patch 3 >> implement the main function. >> >> Test was done between a kvm guest and an external host. Two hosts were >> connected through 40gb mlx4 cards. With both busy_poll and busy_read are >> set to 50 in guest, 1 byte netperf tcp_rr shows 116% improvement: >> transaction rate was increased from 9151.94 to 19787.37. >> >> Changes from V1: >> - split the patch info smaller ones >> - add more details about test setup/configuration >> >> Please review. > Looks like you can make some minor adjustments based upon review, and > anyways I'd like to wait for Michael to get back and review a change > of this nature. > > Thanks. Ok, I will wait for Michael's comments and then post V3. Thanks -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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