From: Rick Jones <rick.jones2@hp.com>
To: Hariprasad Shenai <hariprasad@chelsio.com>, netdev@vger.kernel.org
Cc: davem@davemloft.net, leedom@chelsio.com, anish@chelsio.com,
nirranjan@chelsio.com, praveenm@chelsio.com, kumaras@chelsio.com
Subject: Re: [PATCH net-next] cxgb4: Add low latency socket busy_poll support
Date: Tue, 03 Feb 2015 08:45:53 -0800 [thread overview]
Message-ID: <54D0FB41.1030802@hp.com> (raw)
In-Reply-To: <1422940816-27402-1-git-send-email-hariprasad@chelsio.com>
On 02/02/2015 09:20 PM, Hariprasad Shenai wrote:
> cxgb_busy_poll, corresponding to ndo_busy_poll, gets called by the socket
> waiting for data.
>
> With busy_poll enabled, improvement is seen in latency numbers as observed by
> collecting netperf TCP_RR numbers.
Which, not surprisingly, leads to the question - how much improvement?
:) Extra credit for including the change in netperf-reported service
demands.
happy benchmarking,
rick jones
next prev parent reply other threads:[~2015-02-03 16:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-03 5:20 [PATCH net-next] cxgb4: Add low latency socket busy_poll support Hariprasad Shenai
2015-02-03 16:45 ` Rick Jones [this message]
2015-02-04 6:24 ` Kumar Sanghvi
2015-02-04 5:58 ` Eric Dumazet
2015-02-04 6:21 ` Kumar Sanghvi
2015-02-04 7:50 ` Eric Dumazet
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