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From: Jonathan Morton <chromatix99@gmail.com>
To: Hans-Kristian Bakke <hkbakke@gmail.com>
Cc: bloat@lists.bufferbloat.net
Subject: Re: [Bloat] Initial tests with BBR in kernel 4.9
Date: Wed, 25 Jan 2017 23:00:30 +0200	[thread overview]
Message-ID: <58D7E8D3-5661-4126-80D9-2F2D4E478B10@gmail.com> (raw)
In-Reply-To: <CAD_cGvFnUZenRUh_sOABCqzZejvG_UWw5v0WOwbedTT7f_gbxw@mail.gmail.com>


> On 25 Jan, 2017, at 22:54, Hans-Kristian Bakke <hkbakke@gmail.com> wrote:
> 
> 4. Do BBR _only_ work with fq pacing or could fq_codel be used as a replacement?

Without pacing, it is not BBR as specified.  Currently, only the fq qdisc implements pacing.

AFAIK, you need a working HPET for pacing to work correctly.  A low-precision timer would be a good explanation for low throughput under pacing.

 - Jonathan Morton


  reply	other threads:[~2017-01-25 21:00 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-25 20:54 Hans-Kristian Bakke
2017-01-25 21:00 ` Jonathan Morton [this message]
     [not found]   ` <CAD_cGvHKw6upOCzDbHLZMSYdyuBHGyo4baaPqM7r=VvMzRFVtg@mail.gmail.com>
2017-01-25 21:09     ` [Bloat] Fwd: " Hans-Kristian Bakke
     [not found]     ` <908CA0EF-3D84-4EB4-ABD8-3042668E842E@gmail.com>
2017-01-25 21:13       ` [Bloat] " Hans-Kristian Bakke
2017-01-25 21:17         ` Jonathan Morton
2017-01-25 21:20           ` Hans-Kristian Bakke
2017-01-25 21:26             ` Jonathan Morton
2017-01-25 21:29               ` Hans-Kristian Bakke
2017-01-25 21:31                 ` Hans-Kristian Bakke
2017-01-25 21:42                   ` Jonathan Morton
2017-01-25 21:48                   ` Eric Dumazet
2017-01-25 22:03                     ` Hans-Kristian Bakke
2017-01-25 21:03 ` Hans-Kristian Bakke
2017-01-25 22:01 ` Neal Cardwell
2017-01-25 22:02   ` Neal Cardwell
2017-01-25 22:12     ` Hans-Kristian Bakke
2017-01-25 22:06   ` Steinar H. Gunderson
2017-01-25 22:12     ` Eric Dumazet
2017-01-25 22:23       ` Steinar H. Gunderson
2017-01-25 22:27         ` Eric Dumazet
2017-01-25 22:38   ` Hans-Kristian Bakke
2017-01-25 22:48     ` Neal Cardwell
2017-01-25 23:04       ` Hans-Kristian Bakke
2017-01-25 23:31         ` Hans-Kristian Bakke
2017-01-25 23:33         ` Eric Dumazet
2017-01-25 23:41           ` Hans-Kristian Bakke
2017-01-25 23:46             ` Eric Dumazet
2017-01-25 23:47           ` Hans-Kristian Bakke
2017-01-25 23:53             ` Eric Dumazet
2017-01-25 23:56               ` Hans-Kristian Bakke
2017-01-26  0:10                 ` Eric Dumazet

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