From: Eric Dumazet <eric.dumazet@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: Josh Clark <jcinma@gmail.com>, netdev <netdev@vger.kernel.org>
Subject: Re: qstats update in packet scheduling
Date: Mon, 24 Nov 2014 12:20:12 -0800 [thread overview]
Message-ID: <1416860412.17888.72.camel@edumazet-glaptop2.roam.corp.google.com> (raw)
In-Reply-To: <CAA93jw4URTCK_O5mrJB14qAraubqj4Y-pvWMFX7ts=BWSgd-Og@mail.gmail.com>
On Mon, 2014-11-24 at 11:01 -0800, Dave Taht wrote:
> On Mon, Nov 24, 2014 at 10:42 AM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
> > On Mon, 2014-11-24 at 13:17 -0500, Josh Clark wrote:
> >
> >> But I'm seeing no change at all in qlen. qlen and backlog are both
> >> zero, which results in zero qavg, meaning I can't test the RED
> >> functionality at all.
> >
> > Wait. If you use some kernel patch without giving it, I can not comment.
> >
> > If you use regular "tc -s qdisc ...", then you'll see non zero qlen
>
> Well, assuming you have BQL or a software rate limiter in place in
> front of it...
Hardly a matter, if you send _steady_ 12Mbit on a 10Mbit link, the
bottleneck should land on RED, BQL or not.
prev parent reply other threads:[~2014-11-24 20:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-24 17:06 qstats update in packet scheduling Josh Clark
2014-11-24 17:31 ` Eric Dumazet
2014-11-24 18:17 ` Josh Clark
2014-11-24 18:42 ` Eric Dumazet
2014-11-24 19:01 ` Dave Taht
2014-11-24 19:14 ` Josh Clark
2014-11-24 19:25 ` Dave Taht
2014-11-24 20:21 ` Eric Dumazet
2014-11-24 20:20 ` Eric Dumazet [this message]
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=1416860412.17888.72.camel@edumazet-glaptop2.roam.corp.google.com \
--to=eric.dumazet@gmail.com \
--cc=dave.taht@gmail.com \
--cc=jcinma@gmail.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