Thank you for your prompt responses Florin.
I'm taking over from Shankar here.
I re-built the environment with v22.02
Here is the output from show error:
It seems okay to me.
I'm running vpp and iperf3 on the same numa node (but separate CPUs).
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Also, I do believe that write combining is enabled based on:
$ lspci -v -s 00:06.0
00:06.0 Ethernet controller: Amazon.com, Inc. Elastic Network Adapter (ENA)
Physical Slot: 6
Flags: bus master, fast devsel, latency 0
Memory at febf8000 (32-bit, non-prefetchable) [size=16K]
Memory at fe90 (32-
Thanks Florin.
I've attached output from the console of the iperf3 server and client.
I don't know what I should be looking for.
Can you please provide some pointers?
Many thanks,
Kunal
root@ip-10-21-120-175:~# vppctl show session verbose 2
[0:0][CT:T] 0.0.0.0:5201->0.0.0.0:0
Hi Florian,
Confirming that rx/tx descriptors are set to 256.
However, bitrate is still at 3.78 Gbits/sec with VPP vs 11.9 Gbits/sec without
VPP
>
> Beyond that, the only thing I’m noticing is that the client is very
> bursty, i.e., sends up to 42 packets / dispatch but the receiver only gets
:(
Same outcome.
Added tcp { no-csum-offload } to /etc/vpp/startup.conf
Tested with and without tx-checksum-offload.
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Attaching diagnostics.
root@ip-10-21-120-238:~# vppctl show session verbose 2
Thread 0: no sessions
Thread 1: no sessions
root@ip-10-21-120-238:~# vppctl show session verbose 2
Thread 0: no sessions
[1:0][T] 10.21.120.187:46669->10.21.120.133:5201ESTABLISHED
index: 0 cfg: No csum offlo
Diagnostics produced using -b 5g
>
> taskset --cpu-list 10-15 iperf3 -4 -c 10.21.120.133 -b 5g -t 30
root@ip-10-21-120-238:~# vppctl clear errors; vppctl clear run
root@ip-10-21-120-238:~# vppctl show run
Thread 0 vpp_main (lcore 1)
Time 6.1, 10 sec internal node vector rate 0.00 loops/sec 171189
Many thanks for looking into this Florin.
I'll investigate DPDK PMD tests to see if checksum offloading can be enabled
outside of VPP.
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Hello!
Has anyone attempted to (rpm) install VPP on Amazon Linux 2?
I've added the repo, but latest RPMs for VPP are not available at
https://packagecloud.io/fdio/release
TIA,
Kunal
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Thanks Ray, I tried building from source too, but ran into some dependency
issues.
I'll post back if I have some success.
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Hi Florin
Following is the output from
>
> vppctl show hardware-interfaces
>
> Name Idx Link Hardware
> local0 0 down local0
> Link speed: unknown
> local
> vpp0 1 up vpp0
> Link speed: unknown
> RX Queues:
>
Hi Folks,
I want visualize the latency profile of VCL HostStack.
I am using netperf and am receiving this error on the server:
Issue receiving request on control connection. Errno 19 (No such device)
Detailed logs attached.
root@ip-10-21-120-191:~# netperf -d -H 10.21.120.48 -l -1000 -t TCP_RR
I am using LD_PRELOAD
Is there a particular example of netperf flags you can recommend for measuring
per packet latency?
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Hi,
I want to gauge if the plan for LDP is to be similar to OpenOnload (
https://github.com/Xilinx-CNS/onload )
We use OpenOnload with SolarFlare cards with great success.
It doesn't require us to change our code while getting the benefits of kernel
bypass (and hardware acceleration from Solar
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