<div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi Brandon,</div><div class="gmail_default" style="font-family:tahoma,sans-serif">I was trying to see what exactly is happening on the setup and what is causing the problem.</div><div class="gmail_default" style="font-family:tahoma,sans-serif">But I will need your help to use the proper code and commands.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">I believe you run the testpmd command on io. And the trex is executed on rhea?</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Can you point me to the location of the code and the steps you are following while running the test?</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Thanks</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Ajit</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 11, 2020 at 10:47 AM Ajit Khaparde <<a href="mailto:ajit.khaparde@broadcom.com">ajit.khaparde@broadcom.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi Brandon,</div><div class="gmail_default" style="font-family:tahoma,sans-serif">I haven't. I tried to login as well. But I had some issues doing it from the office.</div><div class="gmail_default" style="font-family:tahoma,sans-serif">I just have to remind myself to try it again once I get home before I connect to the company VPN.</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Thanks for checking in. I will try to update you as soon as I can.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Thanks</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Ajit</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 11, 2020 at 10:46 AM Brandon Lo <<a href="mailto:blo@iol.unh.edu" target="_blank">blo@iol.unh.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Ajit,<div><br></div><div>I'm just checking in; have you heard of any updates on this issue?</div><div><br></div><div>Thanks,</div><div>Brandon</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 4, 2020 at 1:42 PM Brandon Lo <<a href="mailto:blo@iol.unh.edu" target="_blank">blo@iol.unh.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Ajit,<div><br></div><div>Yes, I believe the issue is coming from the trex/tester system with the 100G NIC.</div><div>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.</div><div><br></div><div>If you want to replicate it, here are the steps that I ran:</div><div><ol><li>(on io) cd /opt/dts</li><li>export DTS_CFG_FOLDER='conf_100g'</li><ul><li>conf_100g has the new configuration files to use the new PCI id and pktgen config file</li></ul><li>./dts -s</li></ol><div><br></div></div><div>Thanks for your help,</div><div>Brandon</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 4, 2020 at 12:38 PM Ajit Khaparde <<a href="mailto:ajit.khaparde@broadcom.com" target="_blank">ajit.khaparde@broadcom.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi Brandon,</div><div class="gmail_default" style="font-family:tahoma,sans-serif">No, I haven't seen or heard this before.<br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">But I will try to have someone run it again.</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Just to make sure -</div><div class="gmail_default" style="font-family:tahoma,sans-serif">You are running trex on the 100G NIC and the problem is encountered on that setup?</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Or is it the system that is running testpmd where you are running into the issue?</div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Thanks</div><div class="gmail_default" style="font-family:tahoma,sans-serif">Ajit</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 4, 2020 at 9:16 AM Brandon Lo <<a href="mailto:blo@iol.unh.edu" target="_blank">blo@iol.unh.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hi Ajit,</div><div><br></div><div>I'm running into a problem with trying to run nic_single_core_perf on the new NIC.</div><div>The current configuration uses trex version v2.82.</div><div>However, I'm running into an error when it tries to actually do a test case in the nic_single_core_perf.</div><div><br></div><div>The output looks like this when it reaches a test case:</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><font face="monospace">TestNicSingleCorePerf: Test running at parameters: framesize: 64, rxd/txd: 512<br> 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<br> dut.rhea: start<br> TestNicSingleCorePerf: Test Case test_perf_nic_single_core Result ERROR: Traceback (most recent call last):<br> File "/opt/dts/framework/test_case.py", line 316, in _execute_test_case<br> case_obj() <br> File "tests/TestSuite_nic_single_core_perf.py", line 198, in test_perf_nic_single_core<br> self.perf_test(self.nb_ports)<br> File "tests/TestSuite_nic_single_core_perf.py", line 259, in perf_test<br> _, packets_received = self.tester.pktgen.measure_throughput(stream_ids=streams, options=traffic_opt)<br> File "/opt/dts/framework/pktgen_base.py", line 245, in measure_throughput<br> self._prepare_transmission(stream_ids=stream_ids)<br> File "/opt/dts/framework/pktgen_trex.py", line 779, in _prepare_transmission<br> self._conn.reset(ports=self._ports)<br> File "/opt/v2.82/automation/trex_control_plane/interactive/trex/common/trex_api_annotators.py", line 51, in wrap2<br> ret = f(*args, **kwargs) <br> File "/opt/v2.82/automation/trex_control_plane/interactive/trex/stl/trex_stl_client.py", line 339, in reset<br> self.clear_stats(ports) <br> File "/opt/v2.82/automation/trex_control_plane/interactive/trex/common/trex_api_annotators.py", line 51, in wrap2<br> ret = f(*args, **kwargs) <br> File "/opt/v2.82/automation/trex_control_plane/interactive/trex/stl/trex_stl_client.py", line 1467, in clear_stats<br> self._clear_stats_common(ports, clear_global, clear_xstats)<br> File "/opt/v2.82/automation/trex_control_plane/interactive/trex/common/trex_client.py", line 2840, in _clear_stats_common<br> raise TRexError(rc) <br>trex.common.trex_exceptions.TRexError: *** [RPC] - Failed to get server response from tcp://<a href="http://127.0.0.1:4501" target="_blank">127.0.0.1:4501</a></font></blockquote><div><br></div><div>I have found one similar case on the github repository for trex, but the solution was vendor-specific: <a href="https://github.com/cisco-system-traffic-generator/trex-core/issues/147" target="_blank">https://github.com/cisco-system-traffic-generator/trex-core/issues/147</a>.</div><div>Have you ran into this issue before?</div><div><br></div><div>Thanks,</div><div>Brandon</div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><span></span></div></div></div></div></div> </blockquote></div> </blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><span><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Brandon Lo</span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">UNH InterOperability Laboratory</span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">21 Madbury Rd, Suite 100, Durham, NH 03824</span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="mailto:blo@iol.unh.edu" target="_blank">blo@iol.unh.edu</a></span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="http://www.iol.unh.edu/" target="_blank">www.iol.unh.edu</a></span></p></span></div></div></div></div> </blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><span><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Brandon Lo</span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">UNH InterOperability Laboratory</span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">21 Madbury Rd, Suite 100, Durham, NH 03824</span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="mailto:blo@iol.unh.edu" target="_blank">blo@iol.unh.edu</a></span></p><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:Arial;color:rgb(17,85,204);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="http://www.iol.unh.edu/" target="_blank">www.iol.unh.edu</a></span></p></span></div></div></div></div> </blockquote></div> </blockquote></div>