From: Eric Dumazet <eric.dumazet@gmail.com>
To: Shlomo Pongratz <shlomop@mellanox.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: RE: GRO aggregation
Date: Tue, 11 Sep 2012 21:01:53 +0200 [thread overview]
Message-ID: <1347390113.13103.660.camel@edumazet-glaptop> (raw)
In-Reply-To: <36F7E4A28C18BE4DB7C86058E7B607241E622022@MTRDAG01.mtl.com>
On Tue, 2012-09-11 at 18:49 +0000, Shlomo Pongratz wrote:
> I disabled the LRO. I actually tried the all the 4 options and found that LRO, GRO, LRO+GRO gives the same results for ixgbe w.r.t aggregation size (didn't check for throughput or latency).
> Is there a timeout that flushes the aggregated SKBs before 64K were aggregated?
At the end of NAPI run, we flush the gro state.
It basically means that an interrupt came, and we fetched 21 frames from
the NIC.
To get more packets per interrupt, you might try to slow down your
cpu ;)
But I dont get the point.
next prev parent reply other threads:[~2012-09-11 19:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-11 13:45 GRO aggregation Shlomo Pongartz
2012-09-11 18:20 ` Marcelo Ricardo Leitner
2012-09-11 18:41 ` Shlomo Pongratz
2012-09-11 18:48 ` Marcelo Ricardo Leitner
2012-09-11 18:51 ` Shlomo Pongratz
2012-09-11 18:33 ` Eric Dumazet
2012-09-11 18:49 ` Shlomo Pongratz
2012-09-11 19:01 ` Eric Dumazet [this message]
2012-09-11 19:24 ` Shlomo Pongratz
2012-09-11 19:35 ` David Miller
2012-09-11 19:35 ` Eric Dumazet
2012-09-12 9:23 ` Shlomo Pongartz
2012-09-12 9:33 ` Eric Dumazet
2012-09-12 14:41 ` Shlomo Pongartz
2012-09-12 16:23 ` Rick Jones
2012-09-12 16:34 ` Shlomo Pongartz
2012-09-12 16:52 ` Rick Jones
2012-09-13 6:36 ` Shlomo Pongartz
2012-09-13 8:11 ` Eric Dumazet
2012-09-13 9:59 ` Or Gerlitz
2012-09-13 12:05 ` Eric Dumazet
2012-09-13 12:34 ` Eric Dumazet
2012-09-13 12:47 ` Or Gerlitz
2012-09-13 13:22 ` 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=1347390113.13103.660.camel@edumazet-glaptop \
--to=eric.dumazet@gmail.com \
--cc=netdev@vger.kernel.org \
--cc=shlomop@mellanox.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox