From: Alan Jenkins <alan.christopher.jenkins@gmail.com>
To: Jonathan Morton <chromatix99@gmail.com>
Cc: cerowrt-devel <cerowrt-devel@lists.bufferbloat.net>
Subject: Re: [Cerowrt-devel] [Cake] openwrt build with latest cake and other qdiscs
Date: Thu, 14 May 2015 14:35:00 +0100 [thread overview]
Message-ID: <5554A484.1090201@gmail.com> (raw)
In-Reply-To: <C9572C04-26B7-4076-B9F2-5CD47AB4E39D@gmail.com>
On 14/05/15 14:14, Jonathan Morton wrote:
>
>>> This implies that adding GRO peeling to cake might be a worthwhile priority.
>>>
>>> - Jonathan Morton
>> Ah, not on my account, it seems.
>>
>> # tc -stat qdisc |grep maxpacket
>> maxpacket 590 drop_overlimit 0 new_flow_count 1 ecn_mark 0
>> maxpacket 256 drop_overlimit 0 new_flow_count 0 ecn_mark 0
>> ...
>> maxpacket 1696 drop_overlimit 0 new_flow_count 305 ecn_mark 0
>> maxpacket 1749 drop_overlimit 0 new_flow_count 274 ecn_mark 0
> A maxpacket of 1749 *does* imply that GRO or GSO is in use. Otherwise I’d expect to see 1514 or less.
>
> - Jonathan Morton
Look at the exact difference between the two maxpackets :p (without
getting into why it's there). It must be including all the ATM
estimation. For GSO we should be seeing 2x or more... not a multiplier
of 53/48.
Alan
next prev parent reply other threads:[~2015-05-14 13:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <554F64E1.6000609@gmail.com>
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[not found] ` <E30C4EBD-0094-4BDA-80D1-70EE9E954631@gmx.de>
[not found] ` <50DB1E31-61AE-4298-B80F-8C6F7487C99B@gmail.com>
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[not found] ` <002A5BFC-5511-4995-8785-370251F24083@gmx.de>
[not found] ` <CF5D7897-07DD-4041-884B-EB3B8440A4BC@gmail.com>
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[not found] ` <A258B156-577D-45C9-A17B-5F4E33E62F9E@gmail.com>
2015-05-14 13:09 ` Alan Jenkins
2015-05-14 13:14 ` Jonathan Morton
2015-05-14 13:35 ` Alan Jenkins [this message]
2015-05-14 13:48 ` Dave Taht
2015-05-14 14:34 ` Jonathan Morton
2015-05-14 13:49 ` Jonathan Morton
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