Re: [dpdk-ci] New 100G Broadcom NIC Ubuntu

[Ajit Khaparde <ajit.khaparde@broadcom.com>]

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Hi Brandon,
Thanks for this.
I have been stretched thin lately, and this will surely help.

Thanks
Ajit

On Tue, Sep 1, 2020 at 11:09 AM Brandon Lo <blo@iol.unh.edu> wrote:

> Hi Ajit,
>
> I'm going to re-enable the Broadcom 25G NIC in production performance
> and functional testing.
>
> If you would like to do testing/debugging on the machine, such as on
> the 100G NIC, then please disable these two pipelines on our Jenkins:
>
> https://dpdklab.iol.unh.edu/jenkins/job/Broadcom-25G-Functional-Test-Pipeline/
>
> https://dpdklab.iol.unh.edu/jenkins/job/Broadcom-25G-Performance-Test-Pipeline/
>
> You will need to sign in using the same credentials as your VPN.
>
> This will prevent any overlapping of DTS/TREX runs which is known to
> cause errors.
> Please let me know if you run into any issues.
>
> Thanks,
> Brandon
>
> On Wed, Aug 26, 2020 at 3:58 PM Ajit Khaparde
> <ajit.khaparde@broadcom.com> wrote:
> >
> > Not yet Brandon.
> > But I believe I might have to look at what trex is doing to make
> progress.
> > I will let you know if I need any help.
> >
> > Thanks
> > Ajit
> >
> > On Tue, Aug 25, 2020 at 1:13 PM Brandon Lo <blo@iol.unh.edu> wrote:
> >>
> >> Hi Ajit,
> >>
> >> Did you find anything of interest on the machine?
> >> I could help out if needed.
> >>
> >> Thanks,
> >> Brandon
> >>
> >> On Thu, Aug 20, 2020 at 5:07 PM Ajit Khaparde
> >> <ajit.khaparde@broadcom.com> wrote:
> >> >
> >> > Hi Brandon,
> >> > I do see some issues while running trex on this setup.
> >> > I will have to dig further. I will let you know once I find something
> or may be a fix.
> >> >
> >> > Thanks
> >> > Ajit
> >> >
> >> > On Thu, Aug 20, 2020 at 8:39 AM Brandon Lo <blo@iol.unh.edu> wrote:
> >> >>
> >> >> Hi Ajit,
> >> >>
> >> >> I believe DTS/TREX is run on the io machine as a tester. Rhea runs
> >> >> testpmd (through an ssh session from io --> rhea) to catch
> information
> >> >> as a DUT.
> >> >>
> >> >> The only commands that I run (on io) are:
> >> >> cd /opt/dts
> >> >> export DTS_CFG_FOLDER='conf_100g'
> >> >> ./dts -s
> >> >>
> >> >> The rest is managed by DTS itself.
> >> >> The issue occurs when DTS is trying to send packets to rhea from io
> on
> >> >> the new 100G NIC.
> >> >> It seems to happen after it tries to measure throughput using TREX's
> API.
> >> >>
> >> >> Thanks,
> >> >> Brandon
> >> >>
> >> >> On Thu, Aug 20, 2020 at 12:29 AM Ajit Khaparde
> >> >> <ajit.khaparde@broadcom.com> wrote:
> >> >> >
> >> >> > Hi Brandon,
> >> >> > I was trying to see what exactly is happening on the setup and
> what is causing the problem.
> >> >> > But I will need your help to use the proper code and commands.
> >> >> >
> >> >> > I believe you run the testpmd command on io. And the trex is
> executed on rhea?
> >> >> > Can you point me to the location of the code and the steps you are
> following while running the test?
> >> >> >
> >> >> > Thanks
> >> >> > Ajit
> >> >> >
> >> >> > On Tue, Aug 11, 2020 at 10:47 AM Ajit Khaparde <
> ajit.khaparde@broadcom.com> wrote:
> >> >> >>
> >> >> >> Hi Brandon,
> >> >> >> I haven't. I tried to login as well. But I had some issues doing
> it from the office.
> >> >> >> I just have to remind myself to try it again once I get home
> before I connect to the company VPN.
> >> >> >> Thanks for checking in. I will try to update you as soon as I can.
> >> >> >>
> >> >> >> Thanks
> >> >> >> Ajit
> >> >> >>
> >> >> >> On Tue, Aug 11, 2020 at 10:46 AM Brandon Lo <blo@iol.unh.edu>
> wrote:
> >> >> >>>
> >> >> >>> Hi Ajit,
> >> >> >>>
> >> >> >>> I'm just checking in; have you heard of any updates on this
> issue?
> >> >> >>>
> >> >> >>> Thanks,
> >> >> >>> Brandon
> >> >> >>>
> >> >> >>> On Tue, Aug 4, 2020 at 1:42 PM Brandon Lo <blo@iol.unh.edu>
> wrote:
> >> >> >>>>
> >> >> >>>> Hi Ajit,
> >> >> >>>>
> >> >> >>>> Yes, I believe the issue is coming from the trex/tester system
> with the 100G NIC.
> >> >> >>>> I'm not sure what causes this issue; if I run trex using the
> command "cd /opt/v2.82;./t-rex-64 -i --cfg /etc/trex_cfg_100g.yaml -c 7",
> which is the same command used in DTS, it seems to launch without failing.
> >> >> >>>>
> >> >> >>>> If you want to replicate it, here are the steps that I ran:
> >> >> >>>>
> >> >> >>>> (on io) cd /opt/dts
> >> >> >>>> export DTS_CFG_FOLDER='conf_100g'
> >> >> >>>>
> >> >> >>>> conf_100g has the new configuration files to use the new PCI id
> and pktgen config file
> >> >> >>>>
> >> >> >>>> ./dts -s
> >> >> >>>>
> >> >> >>>>
> >> >> >>>> Thanks for your help,
> >> >> >>>> Brandon
> >> >> >>>>
> >> >> >>>> On Tue, Aug 4, 2020 at 12:38 PM Ajit Khaparde <
> ajit.khaparde@broadcom.com> wrote:
> >> >> >>>>>
> >> >> >>>>> Hi Brandon,
> >> >> >>>>> No, I haven't seen or heard this before.
> >> >> >>>>> But I will try to have someone run it again.
> >> >> >>>>>
> >> >> >>>>> Just to make sure -
> >> >> >>>>> You are running trex on the 100G NIC and the problem is
> encountered on that setup?
> >> >> >>>>> Or is it the system that is running testpmd where you are
> running into the issue?
> >> >> >>>>>
> >> >> >>>>> Thanks
> >> >> >>>>> Ajit
> >> >> >>>>>
> >> >> >>>>> On Tue, Aug 4, 2020 at 9:16 AM Brandon Lo <blo@iol.unh.edu>
> wrote:
> >> >> >>>>>>
> >> >> >>>>>> Hi Ajit,
> >> >> >>>>>>
> >> >> >>>>>> I'm running into a problem with trying to run
> nic_single_core_perf on the new NIC.
> >> >> >>>>>> The current configuration uses trex version v2.82.
> >> >> >>>>>> However, I'm running into an error when it tries to actually
> do a test case in the nic_single_core_perf.
> >> >> >>>>>>
> >> >> >>>>>> The output looks like this when it reaches a test case:
> >> >> >>>>>>
> >> >> >>>>>>> TestNicSingleCorePerf: Test running at parameters:
> framesize: 64, rxd/txd: 512
> >> >> >>>>>>>                       dut.rhea:
> ./x86_64-native-linuxapp-gcc/app/testpmd -l 16,17 -n 4 -w 0000:81:00.0 -w
> 0000:81:00.1  --file-prefix=dpdk_11307_20200804160513    -- -i
> --portmask=0x3 --txd=512 --rxd=512
> >> >> >>>>>>>                       dut.rhea: start
> >> >> >>>>>>>          TestNicSingleCorePerf: Test Case
> test_perf_nic_single_core Result ERROR: Traceback (most recent call last):
> >> >> >>>>>>>   File "/opt/dts/framework/test_case.py", line 316, in
> _execute_test_case
> >> >> >>>>>>>     case_obj()
> >> >> >>>>>>>   File "tests/TestSuite_nic_single_core_perf.py", line 198,
> in test_perf_nic_single_core
> >> >> >>>>>>>     self.perf_test(self.nb_ports)
> >> >> >>>>>>>   File "tests/TestSuite_nic_single_core_perf.py", line 259,
> in perf_test
> >> >> >>>>>>>     _, packets_received =
> self.tester.pktgen.measure_throughput(stream_ids=streams,
> options=traffic_opt)
> >> >> >>>>>>>   File "/opt/dts/framework/pktgen_base.py", line 245, in
> measure_throughput
> >> >> >>>>>>>     self._prepare_transmission(stream_ids=stream_ids)
> >> >> >>>>>>>   File "/opt/dts/framework/pktgen_trex.py", line 779, in
> _prepare_transmission
> >> >> >>>>>>>     self._conn.reset(ports=self._ports)
> >> >> >>>>>>>   File
> "/opt/v2.82/automation/trex_control_plane/interactive/trex/common/trex_api_annotators.py",
> line 51, in wrap2
> >> >> >>>>>>>     ret = f(*args, **kwargs)
> >> >> >>>>>>>   File
> "/opt/v2.82/automation/trex_control_plane/interactive/trex/stl/trex_stl_client.py",
> line 339, in reset
> >> >> >>>>>>>     self.clear_stats(ports)
> >> >> >>>>>>>   File
> "/opt/v2.82/automation/trex_control_plane/interactive/trex/common/trex_api_annotators.py",
> line 51, in wrap2
> >> >> >>>>>>>     ret = f(*args, **kwargs)
> >> >> >>>>>>>   File
> "/opt/v2.82/automation/trex_control_plane/interactive/trex/stl/trex_stl_client.py",
> line 1467, in clear_stats
> >> >> >>>>>>>     self._clear_stats_common(ports, clear_global,
> clear_xstats)
> >> >> >>>>>>>   File
> "/opt/v2.82/automation/trex_control_plane/interactive/trex/common/trex_client.py",
> line 2840, in _clear_stats_common
> >> >> >>>>>>>     raise TRexError(rc)
> >> >> >>>>>>> trex.common.trex_exceptions.TRexError: *** [RPC] - Failed to
> get server response from tcp://127.0.0.1:4501
> >> >> >>>>>>
> >> >> >>>>>>
> >> >> >>>>>> I have found one similar case on the github repository for
> trex, but the solution was vendor-specific:
> https://github.com/cisco-system-traffic-generator/trex-core/issues/147.
> >> >> >>>>>> Have you ran into this issue before?
> >> >> >>>>>>
> >> >> >>>>>> Thanks,
> >> >> >>>>>> Brandon
> >> >> >>>>
> >> >> >>>>
> >> >> >>>>
> >> >> >>>> --
> >> >> >>>>
> >> >> >>>> Brandon Lo
> >> >> >>>>
> >> >> >>>> UNH InterOperability Laboratory
> >> >> >>>>
> >> >> >>>> 21 Madbury Rd, Suite 100, Durham, NH 03824
> >> >> >>>>
> >> >> >>>> blo@iol.unh.edu
> >> >> >>>>
> >> >> >>>> www.iol.unh.edu
> >> >> >>>
> >> >> >>>
> >> >> >>>
> >> >> >>> --
> >> >> >>>
> >> >> >>> Brandon Lo
> >> >> >>>
> >> >> >>> UNH InterOperability Laboratory
> >> >> >>>
> >> >> >>> 21 Madbury Rd, Suite 100, Durham, NH 03824
> >> >> >>>
> >> >> >>> blo@iol.unh.edu
> >> >> >>>
> >> >> >>> www.iol.unh.edu
> >> >>
> >> >>
> >> >>
> >> >> --
> >> >>
> >> >> Brandon Lo
> >> >>
> >> >> UNH InterOperability Laboratory
> >> >>
> >> >> 21 Madbury Rd, Suite 100, Durham, NH 03824
> >> >>
> >> >> blo@iol.unh.edu
> >> >>
> >> >> www.iol.unh.edu
> >>
> >>
> >>
> >> --
> >>
> >> Brandon Lo
> >>
> >> UNH InterOperability Laboratory
> >>
> >> 21 Madbury Rd, Suite 100, Durham, NH 03824
> >>
> >> blo@iol.unh.edu
> >>
> >> www.iol.unh.edu
>
>
>
> --
>
> Brandon Lo
>
> UNH InterOperability Laboratory
>
> 21 Madbury Rd, Suite 100, Durham, NH 03824
>
> blo@iol.unh.edu
>
> www.iol.unh.edu
>

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