netdev - Re: Difficulties to get 1Gbps on be2net ethernet card

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Message-ID: <CAL8zT=i6zruaa0-bc-MG4FyhdM8RDtARd2E_o0+G-=p7RsJdGw@mail.gmail.com>
Date:	Fri, 8 Jun 2012 16:53:23 +0200
From:	Jean-Michel Hautbois <jhautbois@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Sathya.Perla@...lex.com, netdev@...r.kernel.org
Subject: Re: Difficulties to get 1Gbps on be2net ethernet card

2012/6/8 Eric Dumazet <eric.dumazet@...il.com>:
> On Fri, 2012-06-08 at 10:14 +0200, Jean-Michel Hautbois wrote:
>> 2012/6/8 Eric Dumazet <eric.dumazet@...il.com>:
>> > On Thu, 2012-06-07 at 14:54 +0200, Jean-Michel Hautbois wrote:
>> >
>> >> eth1      Link encap:Ethernet  HWaddr 68:b5:99:b9:8d:d4
>> >>           UP BROADCAST RUNNING SLAVE MULTICAST  MTU:4096  Metric:1
>> >>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>> >>           TX packets:15215387 errors:0 dropped:0 overruns:0 carrier:0
>> >>           collisions:0 txqueuelen:1000
>> >>           RX bytes:0 (0.0 B)  TX bytes:61476524359 (57.2 GiB)
>> >
>> >> qdisc mq 0: dev eth1 root
>> >>  Sent 61476524359 bytes 15215387 pkt (dropped 45683472, overlimits 0
>> >> requeues 17480)
>> >
>> > OK, and "tc -s -d cl show dev eth1"
>> >
>> > (How many queues are really used)
>> >
>> >
>> >
>>
>> tc -s -d cl show dev eth1
>> class mq :1 root
>>  Sent 9798071746 bytes 2425410 pkt (dropped 3442405, overlimits 0 requeues 2747)
>>  backlog 0b 0p requeues 2747
>> class mq :2 root
>>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>  backlog 0b 0p requeues 0
>> class mq :3 root
>>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>  backlog 0b 0p requeues 0
>> class mq :4 root
>>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>  backlog 0b 0p requeues 0
>> class mq :5 root
>>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>  backlog 0b 0p requeues 0
>> class mq :6 root
>>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>  backlog 0b 0p requeues 0
>> class mq :7 root
>>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>  backlog 0b 0p requeues 0
>> class mq :8 root
>>  Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
>>  backlog 0b 0p requeues 0
>
>
> Do you have the same distribution on old kernels as well ?
> (ie only queue 0 is used)
>
>
>

On the old kernel, there is nothing returned by this command.

JM
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