[vpp-dev] queue drain warning on calling vapi_disconnect()

2020-07-30 Thread Chinmaya Aggarwal 
Hi,
We are integrating VAPI in our application. We created connection to vapi using 
vapi_connect() and everything works fine for us. But during termination, when 
we call vapi_disconnect() we get the following warning in our logs multiple 
times :-

vl_client_disconnect:323: queue drain: 21
vl_client_disconnect:323: queue drain: 21
vl_client_disconnect:323: queue drain: 21

Can anyone suggest why this is happening?

Thanks and Regards,
Chinmaya Agarwal.
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Re: [vpp-dev]: Trouble shooting low bandwidth of memif interface

2020-07-30 Thread Jerome Tollet via lists.fd.io 
Hello Rajith,

  1.  are you making sure your vpp workers are not sharing same cores and are 
isolated?
  2.  host-interfaces are slower than vpp tapv2 interfaces. Maybe you should 
try them.
Jerome



De :  au nom de "Rajith PR via lists.fd.io" 

Répondre à : "raj...@rtbrick.com" 
Date : jeudi 30 juillet 2020 à 08:44
À : vpp-dev 
Objet : Re: [vpp-dev]: Trouble shooting low bandwidth of memif interface

Looks like the image is not visible. Resending the topology diagram for 
reference.


[cid:image001.png@01D66676.6DEB4E80]


On Thu, Jul 30, 2020 at 11:44 AM Rajith PR via lists.fd.io 
mailto:rtbrick@lists.fd.io>> wrote:
Hello Experts,

I am trying to measure the performance of memif interface and getting a very 
low bandwidth(652Kbytes/sec).  I am new to performance tuning and any help on 
troubleshooting the issue would be very helpful.

The test topology i am using is as below:

[Image supprimée par l'expéditeur.]


Basically, I have two lxc containers each hosting an instance of VPP. The VPP 
instances are connected using memif. On lxc-01 i run the iperf3 client that 
generates TCP traffic and on lxc-02 i run the iperf3 server. Linux veth pairs 
are used for interconnecting the iperf tool with VPP.

Test Environment:

CPU Details:

 *-cpu
  description: CPU
  product: Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
  vendor: Intel Corp.
  physical id: c
  bus info: cpu@0
  version: Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz
  serial: None
  slot: U3E1
  size: 3100MHz
  capacity: 3100MHz
  width: 64 bits
  clock: 100MHz
  capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce 
cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss 
ht tm pbe syscall nx pdpe1gb rdtscp constant_tsc art arch_perfmon pebs bts 
rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 
monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 
x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 
3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp 
tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 
erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 
xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear 
flush_l1d cpufreq
  configuration: cores=2 enabledcores=2 threads=4

VPP Configuration:

No workers. VPP main thread, iperf client and server are pinned to separate 
cores.

Test Results:

[11:36][ubuntu:~]$ iperf3 -s -B 200.1.1.1 -f K -A 3
---
Server listening on 5201
---
Accepted connection from 100.1.1.1, port 45188
[  5] local 200.1.1.1 port 5201 connected to 100.1.1.1 port 45190
[ ID] Interval   Transfer Bandwidth
[  5]   0.00-1.00   sec   154 KBytes   154 KBytes/sec
[  5]   1.00-2.00   sec   783 KBytes   784 KBytes/sec
[  5]   2.00-3.00   sec   782 KBytes   782 KBytes/sec
[  5]   3.00-4.00   sec   663 KBytes   663 KBytes/sec
[  5]   4.00-5.00   sec   631 KBytes   631 KBytes/sec
[  5]   5.00-6.00   sec   677 KBytes   677 KBytes/sec
[  5]   6.00-7.00   sec   693 KBytes   693 KBytes/sec
[  5]   7.00-8.00   sec   706 KBytes   706 KBytes/sec
[  5]   8.00-9.00   sec   672 KBytes   672 KBytes/sec
[  5]   9.00-10.00  sec   764 KBytes   764 KBytes/sec
[  5]  10.00-10.04  sec  21.2 KBytes   504 KBytes/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval   Transfer Bandwidth
[  5]   0.00-10.04  sec  0.00 Bytes  0.00 KBytes/sec  sender
[  5]   0.00-10.04  sec  6.39 MBytes   652 KBytes/sec  receiver
---
Server listening on 5201
---


[11:36][ubuntu:~]$ sudo iperf3 -c 200.1.1.1  -A 2
Connecting to host 200.1.1.1, port 5201
[  4] local 100.1.1.1 port 45190 connected to 200.1.1.1 port 5201
[ ID] Interval   Transfer Bandwidth   Retr  Cwnd
[  4]   0.00-1.00   sec   281 KBytes  2.30 Mbits/sec   44   2.83 KBytes
[  4]   1.00-2.00   sec   807 KBytes  6.62 Mbits/sec  124   5.66 KBytes
[  4]   2.00-3.00   sec   737 KBytes  6.04 Mbits/sec  136   5.66 KBytes
[  4]   3.00-4.00   sec   720 KBytes  5.90 Mbits/sec  130   5.66 KBytes
[  4]   4.00-5.00   sec   574 KBytes  4.70 Mbits/sec  134   5.66 KBytes
[  4]   5.00-6.00   sec   720 KBytes  5.90 Mbits/sec  120   7.07 KBytes
[  4]   6.00-7.00   sec   666 KBytes  5.46 Mbits/sec  134   5.66 KBytes
[  4]   7.00-8.00   sec   741 KBytes  6.07 Mbits/sec  124   5.66 KBytes
[  4]   8.00-9.00   sec   660 KBytes  5.41 Mbits/sec  128   4.24 KBytes
[  4]   9.00-10.00  sec   740 KBytes  6.05 Mbits/sec  130   4.24 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval