[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Bug#820622: linux-image-4.5.0-trunk-armmp-lpae: raspberry pi 2: smsc95xx 1-1.1:1.0 eth0: kevent 2 may have been dropped



On 2016-05-02, Vagrant Cascadian wrote:
> On 2016-05-02, Ben Hutchings wrote:
>> On Sun, 2016-05-01 at 18:20 -0700, Vagrant Cascadian wrote:
>>> On 2016-04-28, Ben Hutchings wrote:
>>> > Could you test with turbo_mode re-enabled and with this patch applied?
>>> > 
>>> > Also could you test network receive throughput (e.g. with netperf -t
>>> > TCP_STREAM, sending *to* the RPi) in these three different
>>> > configurations:
>>> Ok, if I understood you correctly...
>>> 
>>> Installed netperf on another machine, and ran:
>>> 
>>>   netperf -t TCP_STREAM 10.0.0.50
>>
>> That is not correct syntax; you need to put a -H before the IP address.
>
> Ok. Never used netperf before... will try again!

Ok, this time with:

  netperf -l 60 -t TCP_STREAM -H 10.0.0.50

4.5.2-1, with turbo disabled:
  
  MIGRATED TCP STREAM TEST from 0.0.0.0 () port 0 AF_INET to 10.0.0.50 ()
  port 0 AF_INET : demo
  Recv   Send    Send
  Socket Socket  Message  Elapsed
  Size   Size    Size     Time     Throughput
  bytes  bytes   bytes    secs.    10^6bits/sec
  
   87380  16384  16384    60.04      93.95
  
4.5.2-1, with turbo enabled:
  
  MIGRATED TCP STREAM TEST from 0.0.0.0 () port 0 AF_INET to 10.0.0.50 ()
  port 0 AF_INET : demo
  Recv   Send    Send
  Socket Socket  Message  Elapsed
  Size   Size    Size     Time     Throughput
  bytes  bytes   bytes    secs.    10^6bits/sec
  
   87380  16384  16384    60.03      94.15
  
  
4.5.2, patched with turbo enabled:
  
  MIGRATED TCP STREAM TEST from 0.0.0.0 () port 0 AF_INET to 10.0.0.50 ()
  port 0 AF_INET : demo
  Recv   Send    Send
  Socket Socket  Message  Elapsed
  Size   Size    Size     Time     Throughput
  bytes  bytes   bytes    secs.    10^6bits/sec
  
   87380  16384  16384    60.04      94.15


live well,
  vagrant

Attachment: signature.asc
Description: PGP signature


Reply to: