On Thu, Jan 24, 2019 at 03:51:02PM +0100, Robert Swindells wrote:
> "Michael van Elst" <mlelstv%netbsd.org@localhost> wrote:
> > Module Name: src
> > Committed By: mlelstv
> > Date: Sat Jan 5 07:56:07 UTC 2019
> >
> > Modified Files:
> > src/sys/dev/usb: if_mue.c if_muevar.h
> >
> > Log Message:
> > Enable multiple outstanding transfers.
> >
> > iperf3 now shows 250MBit/s for sending and 225MBit/s for receiving.
>
> Which device was this tested on ?
>
> It doesn't work at all for me on a LAN7500.
Tested on an RPI3b+ which is LAN7800.
But I now see some inconsistent performance for receiving.
Example: client is netbsd-8/i386 re0, server is RPI3b+
% iperf3 -c jowlson
[ 6] local 10.28.5.2 port 54509 connected to 10.28.5.23 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 6] 0.00-1.00 sec 12.8 MBytes 107 Mbits/sec 0 55.1 KBytes
[ 6] 1.00-2.00 sec 23.7 MBytes 199 Mbits/sec 0 28.3 KBytes
[ 6] 2.00-3.00 sec 25.7 MBytes 216 Mbits/sec 0 41.0 KBytes
[ 6] 3.00-4.00 sec 25.6 MBytes 215 Mbits/sec 0 28.3 KBytes
[ 6] 4.00-5.00 sec 25.7 MBytes 215 Mbits/sec 0 52.3 KBytes
[ 6] 5.00-6.00 sec 25.6 MBytes 214 Mbits/sec 0 46.7 KBytes
[ 6] 6.00-7.00 sec 25.6 MBytes 215 Mbits/sec 0 53.7 KBytes
[ 6] 7.00-8.00 sec 25.7 MBytes 215 Mbits/sec 0 31.1 KBytes
[ 6] 8.00-9.00 sec 25.6 MBytes 215 Mbits/sec 0 31.1 KBytes
[ 6] 9.00-10.00 sec 25.7 MBytes 215 Mbits/sec 0 38.2 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 6] 0.00-10.00 sec 242 MBytes 203 Mbits/sec 0 sender
[ 6] 0.00-10.00 sec 241 MBytes 202 Mbits/sec receiver
Example2: client is netbsd-7/amd64 wm0
Connecting to host jowlson, port 5201
[ 6] local 10.28.5.19 port 64879 connected to 10.28.5.23 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 6] 0.00-1.00 sec 14.3 MBytes 120 Mbits/sec 0 2.83 KBytes
[ 6] 1.00-2.01 sec 12.1 MBytes 99.9 Mbits/sec 0 2.83 KBytes
[ 6] 2.01-3.00 sec 4.82 MBytes 41.0 Mbits/sec 1 41.0 KBytes
[ 6] 3.00-4.00 sec 17.5 MBytes 147 Mbits/sec 0 29.7 KBytes
[ 6] 4.00-5.00 sec 2.23 MBytes 18.6 Mbits/sec 0 2.83 KBytes
[ 6] 5.00-6.01 sec 8.12 MBytes 68.0 Mbits/sec 1 2.83 KBytes
[ 6] 6.01-7.00 sec 2.89 MBytes 24.4 Mbits/sec 1 24.0 KBytes
[ 6] 7.00-8.01 sec 6.67 MBytes 55.5 Mbits/sec 0 1.41 KBytes
[ 6] 8.01-9.00 sec 7.06 MBytes 59.7 Mbits/sec 4 4.24 KBytes
[ 6] 9.00-10.01 sec 6.43 MBytes 53.4 Mbits/sec 0 2.83 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 6] 0.00-10.01 sec 82.1 MBytes 68.8 Mbits/sec 7 sender
[ 6] 0.00-10.01 sec 82.0 MBytes 68.7 Mbits/sec receiver
notice the Retr column, somewhere packets get lost.
The reverse direction (-R) is fine in both setups.
Greetings,
--
Michael van Elst
Internet: mlel...@serpens.de
"A potential Snark may lurk in every tree."
