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 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> std::char_traits, std::allocator >&, 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 > > >