[Cake] cake flenter results round 2

[Georgios Amanakis]

@Pete I think you need to start netserver on the client first (in your
case, you are running flent on the server): "ip netns exec client netserver"

On Tue, Nov 28, 2017 at 7:16 PM, Pete Heist <peteheist at gmail.com> wrote:

>
> > On Nov 28, 2017, at 11:52 PM, Dave Taht <dave at taht.net> wrote:
> >
> > A diffserv 200Mbit result would be good.
> >
> > We are utterly out of cpu at 900mbits here.
> >
> > <not_winning_on_cpu.png>
>
> Wow, I see flent’s combination plots are handy though.
>
> Stuff to sort in irtt also. Merely setting the source IP of an outgoing
> packet doubles allocated heap when it calls into x/net code. Super.
>
> Ok, here’s a quick veth try but I gotta get to sleep so I’m not
> investigating much ’til later. I wonder if 4.9.0-4 is enough:
>
> root at apu2a:/home/sysadmin/src/veth# cat settings.example
> export HOSTS="server client delay mbox"
>
> # I’ve been a bad boy and did sudo make install in iproute2-cake-next
> export TC=/sbin/tc
> root at apu2a:/home/sysadmin/src/veth# ./vsetup.sh
> Cannot remove namespace file "/var/run/netns/server": No such file or
> directory
> Cannot remove namespace file "/var/run/netns/client": No such file or
> directory
> Cannot remove namespace file "/var/run/netns/delay": No such file or
> directory
> Cannot remove namespace file "/var/run/netns/mbox": No such file or
> directory
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1
> RTNETLINK answers: File exists
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1
> root at apu2a:/home/sysadmin/src/veth# ./vcake.sh
> root at apu2a:/home/sysadmin/src/veth# ip netns exec server flent -H
> 10.10.2.2 rrul_be
> Started Flent 1.1.1-git-5daa2b3 using Python 2.7.13.
> Starting rrul_be test. Expected run time: 70 seconds.
> WARNING: Program exited non-zero.
> Runner class: NetperfDemoRunner
> Command: /usr/bin/netperf -P 0 -v 0 -D -0.20 -4 -Y CS0,CS0 -H 10.10.2.2 -p
> 12865 -t UDP_RR -l 70 -F /dev/urandom    --   -H 10.10.2.2 -k
> THROUGHPUT,LOCAL_CONG_CONTROL,REMOTE_CONG_CONTROL,TRANSPORT_
> MSS,LOCAL_TRANSPORT_RETRANS,REMOTE_TRANSPORT_RETRANS,
> LOCAL_SOCKET_TOS,REMOTE_SOCKET_TOS,DIRECTION,ELAPSED_
> TIME,PROTOCOL,LOCAL_SEND_SIZE,LOCAL_RECV_SIZE,REMOTE_SEND_
> SIZE,REMOTE_RECV_SIZE
> Return code: 255
> Stdout: establish control: are you sure there is a netserver listening on
> 10.10.2.2 at port 12865?
> establish_control could not establish the control connection from 0.0.0.0
> port 0 address family AF_INET to 10.10.2.2 port 12865 address family AF_INET
>
> ...
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