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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=54D0FB41.1030802@hp.com \
--to=rick.jones2@hp.com \
--cc=anish@chelsio.com \
--cc=davem@davemloft.net \
--cc=hariprasad@chelsio.com \
--cc=kumaras@chelsio.com \
--cc=leedom@chelsio.com \
--cc=netdev@vger.kernel.org \
--cc=nirranjan@chelsio.com \
--cc=praveenm@chelsio.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.