[dpdk-ci] [DPDKLAB] 25G Broadcom NIC in Arm hardware

David Liu dliu at iol.unh.edu
Thu Jan 14 20:12:10 CET 2021
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Yes, so this is the same NIC work on x86.
By seeing the link, I am assuming you mean the ports that are using for
Trex. If so they are UP before I start the Trex.

Thank,
David


On Thu, Jan 14, 2021 at 1:11 AM Ajit Khaparde <ajit.khaparde at broadcom.com>
wrote:

> Does the same NIC work on x86?
> Also do you see link before you start the trex? I am trying to see if the
> port failed to successfully come up
> or if there is a problem with the link. Can you check and tell?
>
> Thanks
> Ajit
>
> On Wed, Jan 13, 2021 at 4:20 PM David Liu <dliu at iol.unh.edu> wrote:
>
>> Hi Ajit,
>>
>> Thank you for helping out.
>>
>> We have it working on the x86, but not the Arm.
>>
>>
>> Thanks,
>> David
>>
>> On Wed, Jan 13, 2021 at 5:34 PM Ajit Khaparde <ajit.khaparde at broadcom.com>
>> wrote:
>>
>>> Hi David,
>>> I will take a look.
>>> Do you see similar issues on x86? I am asking because
>>> even I would start with that to create a baseline and then
>>> attempt on ARM.
>>>
>>> Thanks
>>> Ajit
>>>
>>> On Wed, Jan 13, 2021 at 12:08 PM David Liu <dliu at iol.unh.edu> wrote:
>>>
>>>> Hi Ajit,
>>>>
>>>> We have a 25G Broadcom NIC that is installed on an Arm machine.
>>>> And I am running into a problem when I try to run nic_single_core_perf
>>>> on the NIC.
>>>> Currently, we are using: Trex v2.86 and dts from
>>>> http://git.dpdk.org/tools/dts/
>>>> All the NICs are up and running when testing.
>>>>
>>>> The problem is an error when I try to run the test case inside
>>>> the nic_single_core_perf:
>>>>
>>>> TestNicSingleCorePerf: Test running at parameters: framesize: 64,
>>>>> rxd/txd: 512
>>>>>                dut.172.18.0.41:
>>>>> x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 32,33 -n 4
>>>>>  --file-prefix=dpdk_15311_20210113190237   -a 0000:93:00.0 -a 0000:93:00.1
>>>>> -- -i --portmask=0x3 --txd=512 --rxd=512 --nb-cores=1
>>>>>                dut.172.18.0.41: start
>>>>>          TestNicSingleCorePerf: Test Case test_perf_nic_single_core
>>>>> Result ERROR: Traceback (most recent call last):
>>>>>   File "/opt/dts/framework/test_case.py", line 319, in
>>>>> _execute_test_case
>>>>>     case_obj()
>>>>>   File "tests/TestSuite_nic_single_core_perf.py", line 196, in
>>>>> test_perf_nic_single_core
>>>>>     self.perf_test(self.nb_ports)
>>>>>   File "tests/TestSuite_nic_single_core_perf.py", line 270, 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 778, in
>>>>> _prepare_transmission
>>>>>     self._conn.reset(ports=self._ports)
>>>>>   File
>>>>> "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/common/trex_api_annotators.py",
>>>>> line 51, in wrap2
>>>>>     ret = f(*args, **kwargs)
>>>>>   File
>>>>> "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/stl/trex_stl_client.py",
>>>>> line 339, in reset
>>>>>     self.clear_stats(ports)
>>>>>   File
>>>>> "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/common/trex_api_annotators.py",
>>>>> line 51, in wrap2
>>>>>     ret = f(*args, **kwargs)
>>>>>   File
>>>>> "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/stl/trex_stl_client.py",
>>>>> line 1492, in clear_stats
>>>>>     self._clear_stats_common(ports, clear_global, clear_xstats)
>>>>>   File
>>>>> "/opt/trex/v2.86/automation/trex_control_plane/interactive/trex/common/trex_client.py",
>>>>> line 2876, in _clear_stats_common
>>>>>     raise TRexError(rc)
>>>>> trex.common.trex_exceptions.TRexError: *** [RPC] - Failed to get
>>>>> server response from tcp://172.18.0.40:4501
>>>>
>>>>
>>>> I also try to run TRex in stateless mode with./t-rex-64 -i --cfg
>>>> /etc/trex_cfg.yaml and  connect with ./trex-console
>>>>
>>>> Then start sending traffic with command
>>>>
>>>>> trex>start -f stl/imix.py
>>>>
>>>>
>>>> But this will cause an error to turn off Trex.
>>>>
>>>> trex>
>>>>> 2021-01-13 19:56:21 - [server][warning]  - Server has been shutdown -
>>>>> cause: 'WATCHDOG: task 'Trex DP core 1' has not responded for more than
>>>>> 1.00135 seconds - timeout is 1 seconds
>>>>> *** traceback follows ***
>>>>> 1       0x561be173cf5a ./_t-rex-64(+0x19af5a) [0x561be173cf5a]
>>>>> 2       0x7feea3ac0980 /lib/x86_64-linux-gnu/libpthread.so.0(+0x12980)
>>>>> [0x7feea3ac0980]
>>>>> 3       0x561be1a05a2a rte_delay_us_block + 106
>>>>> 4       0x561be16ce874 CCoreEthIF::send_burst(CCorePerPort*, unsigned
>>>>> short, CVirtualIFPerSideStats*) + 3220
>>>>> 5       0x561be16abf57 CCoreEthIF::flush_tx_queue() + 31
>>>>> 6       0x561be171e3d9
>>>>> CNodeGenerator::handle_maintenance(CFlowGenListPerThread*) + 265
>>>>> 7       0x561be171f7ec CNodeGenerator::handle_flow_sync(CGenNode*,
>>>>> CFlowGenListPerThread*, bool&) + 92
>>>>> 8       0x561be171fc98 CNodeGenerator::handle_slow_messages(unsigned
>>>>> char, CGenNode*, CFlowGenListPerThread*, bool) + 184
>>>>> 9       0x561be16cb5f1 int CNodeGenerator::flush_file_realtime<23,
>>>>> false>(double, double, CFlowGenListPerThread*, double&) + 881
>>>>> 10      0x561be1905212 TrexStatelessDpCore::start_scheduler() + 226
>>>>> 11      0x561be1883ae9 TrexDpCore::start() + 89
>>>>> 12      0x561be1714113
>>>>> CFlowGenListPerThread::start(std::__cxx11::basic_string<char,
>>>>> std::char_traits<char>, std::allocator<char> >&, CPreviewMode&) + 115
>>>>> 13      0x561be16af8dd CGlobalTRex::run_in_core(unsigned char) + 487
>>>>> 14      0x561be16d11ad ./_t-rex-64(+0x12f1ad) [0x561be16d11ad]
>>>>> 15      0x561be1a1dfaa eal_thread_loop + 426
>>>>> 16      0x7feea3ab56db /lib/x86_64-linux-gnu/libpthread.so.0(+0x76db)
>>>>> [0x7feea3ab56db]
>>>>> 17      0x7feea2a8571f clone + 63
>>>>>
>>>>> *** addr2line information follows ***
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> ??:0
>>>>> '
>>>>
>>>>
>>>> I believe if everything is working, this should not turn off trex but
>>>> please correct me if I am wrong.
>>>> I wonder if you have any suggestion of how I can approach this issue?
>>>>
>>>> Best,
>>>> David
>>>>
>>>>
>>>>
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