[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1392066574.6615.57.camel@edumazet-glaptop2.roam.corp.google.com>
Date: Mon, 10 Feb 2014 13:09:34 -0800
From: Eric Dumazet <eric.dumazet@...il.com>
To: Thomas Glanzmann <thomas@...nzmann.de>
Cc: dev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] This extends tx_data and and iscsit_do_tx_data with the
additional parameter flags and avoids sending multiple TCP packets in
iscsit_fe_sendpage_sg
On Mon, 2014-02-10 at 13:01 -0800, Eric Dumazet wrote:
> On Mon, 2014-02-10 at 21:56 +0100, Thomas Glanzmann wrote:
> > Hello Nab,
> >
> > > This looks correct to me. Thomas, once your able to confirm please
> > > include your 'Tested-by' and I'll include for the next -rc3 PULL
> > > request.
> >
> > Eric is currently reviewing our latest iteration with MSG_MORE for
> > kernel_sendmsg and MSG_MORE | MSG_SENDPAGE_NOTLAST for sendpage. However
> > with the last iteration we had again a high RTT for some packets. But
> > than Eric let me tune net.ipv4.tcp_min_tso_segs to 8 and the RTT went
> > down to what it used before auto corking was enabled. At least almost.
> >
>
> Hmm.. I was not aware of high RTT for some packets.
>
> Can you spot this on the pcap you provided ?
offlist
Also please make sure you have this patch :
http://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=4a5ab4e224288403b0b4b6b8c4d339323150c312
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists