netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: hkchu@google.com
Cc: netdev@vger.kernel.org
Subject: Re: Socket buffer sizes with autotuning
Date: Tue, 06 May 2008 21:27:22 -0700 (PDT)	[thread overview]
Message-ID: <20080506.212722.225900091.davem@davemloft.net> (raw)
In-Reply-To: <d1c2719f0805062057q62decefcg7c3de96271c4b26d@mail.gmail.com>

From: "Jerry Chu" <hkchu@google.com>
Date: Tue, 6 May 2008 20:57:46 -0700

> I fail to see how adding shinfo->in_flight to count how many
> outstanding clones are there can help accounting for how many
> "host_inflight" pkts. Part of the problems, as you've mentioned
> before, is that the driver may not always get a clone.

Sure but it will get one %99.9999 of the time.

With TCP, as long as that clone is alive the driver has it.  And the
counter only counts the clones.

Anyways, did you even test my patch and try to use it for your needs
or is this analysis purely from your inspection of it? :-/


  reply	other threads:[~2008-05-07  4:27 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-23 23:29 Socket buffer sizes with autotuning Jerry Chu
2008-04-24 16:32 ` John Heffner
2008-04-25  0:49   ` Jerry Chu
2008-04-25  6:46     ` David Miller
2008-04-25 21:29       ` Jerry Chu
2008-04-25 21:35         ` David Miller
2008-04-28 18:30       ` Jerry Chu
2008-04-28 19:21         ` John Heffner
2008-04-28 20:44           ` Jerry Chu
2008-04-28 23:22             ` [PATCH 1/2] [NET]: Allow send-limited cwnd to grow up to max_burst when gso disabled John Heffner
2008-04-28 23:22               ` [PATCH 2/2] [NET]: Limit cwnd growth when deferring for GSO John Heffner
     [not found]           ` <d1c2719f0804281338j3984cf2bga31def0c2c1192a1@mail.gmail.com>
2008-04-28 23:28             ` Socket buffer sizes with autotuning John Heffner
2008-04-28 23:35               ` David Miller
2008-04-29  2:20               ` Jerry Chu
2008-04-25  7:05 ` David Miller
2008-05-07  3:57   ` Jerry Chu
2008-05-07  4:27     ` David Miller [this message]
2008-05-07 18:36       ` Jerry Chu
2008-05-07 21:18         ` David Miller
2008-05-08  1:37           ` Jerry Chu
2008-05-08  1:43             ` David Miller
2008-05-08  3:33               ` Jerry Chu
2008-05-12 22:22                 ` Jerry Chu
2008-05-12 22:29                   ` David Miller
2008-05-12 22:31                     ` David Miller
2008-05-13  3:56                       ` Jerry Chu
2008-05-13  3:58                         ` David Miller
2008-05-13  4:00                           ` Jerry Chu
2008-05-13  4:02                             ` David Miller
2008-05-17  1:13                               ` Jerry Chu
2008-05-17  1:29                                 ` David Miller
2008-05-17  1:47                                   ` Jerry Chu
2008-05-12 22:58                     ` Jerry Chu
2008-05-12 23:01                       ` David Miller
2008-05-07  4:28     ` David Miller
2008-05-07 18:54       ` Jerry Chu
2008-05-07 21:20         ` David Miller
2008-05-08  0:16           ` Jerry Chu
     [not found] <d1c2719f0804241829s1bc3f41ejf7ebbff73ed96578@mail.gmail.com>
2008-04-25  7:06 ` Andi Kleen
2008-04-25  7:28   ` David Miller
2008-04-25  7:48     ` Andi Kleen
  -- strict thread matches above, loose matches on Subject: below --
2008-04-23  0:38 Rick Jones
2008-04-23  2:17 ` John Heffner
2008-04-23  3:59   ` David Miller
2008-04-23 16:32     ` Rick Jones
2008-04-23 16:58       ` John Heffner
2008-04-23 17:24         ` Rick Jones
2008-04-23 17:41           ` John Heffner
2008-04-23 17:46             ` Rick Jones
2008-04-24 22:21     ` Andi Kleen
2008-04-24 22:39       ` John Heffner
2008-04-25  1:28       ` David Miller
     [not found]       ` <65634d660804242234w66455bedve44801a98e3de9d9@mail.gmail.com>
2008-04-25  6:36         ` David Miller
2008-04-25  7:42           ` Tom Herbert
2008-04-25  7:46             ` David Miller
2008-04-28 17:51               ` Tom Herbert

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=20080506.212722.225900091.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=hkchu@google.com \
    --cc=netdev@vger.kernel.org \
    /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;
as well as URLs for NNTP newsgroup(s).