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 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 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 >> >> >>