Sorry, I was too quick to conclude the exact cause of error messages I saw in the GUI. When I saw those errors I cancelled the test, expecting no results at all - but trying more patiently to let it run its course I now see that output is generate (so something works) and those error messages are nicely emitted on console too (not only in GUI window), along with more details: ``` $ flent-gui Started Flent 1.3.2 using Python 3.9.1rc1. Initialised matplotlib v3.3.2 on numpy v1.19.4. GUI loaded. Running on PyQt v5.15.2. Starting rrul test. Expected run time: 70 seconds. WARNING: Program exited non-zero. Runner class: NetperfDemoRunner Command: /usr/bin/netperf -P 0 -v 0 -D -0.20 -4 -Y EF,EF -H XXXXX -p 12865 -t UDP_RR -l 70 -F /dev/urandom -- -e 2 -H XXXXX -k THROUGHPUT,LOCAL_CONG_CONTROL,REMOTE_CONG_CONTROL,TRANSPORT_MSS,LOCAL_TRANSPORT_RETRANS,REMOTE_TRANSPORT_RETRANS,LOCAL_SOCKET_TOS,REMOTE_SOCKET_TOS,DIRECTION,ELAPSED_TIME,PROTOCOL,LOCAL_SEND_SIZE,LOCAL_RECV_SIZE,REMOTE_SEND_SIZE,REMOTE_RECV_SIZE,LOCAL_BYTES_SENT,LOCAL_BYTES_RECVD,REMOTE_BYTES_SENT,REMOTE_BYTES_RECVD Return code: 1 Stdout: send_data: data send error: Invalid argument (errno 22) Stderr: netperf: send_omni: send_data failed: Invalid argument WARNING: Command produced no valid data. Runner class: NetperfDemoRunner Command: /usr/bin/netperf -P 0 -v 0 -D -0.20 -4 -Y EF,EF -H XXXXX -p 12865 -t UDP_RR -l 70 -F /dev/urandom -- -e 2 -H XXXXX -k THROUGHPUT,LOCAL_CONG_CONTROL,REMOTE_CONG_CONTROL,TRANSPORT_MSS,LOCAL_TRANSPORT_RETRANS,REMOTE_TRANSPORT_RETRANS,LOCAL_SOCKET_TOS,REMOTE_SOCKET_TOS,DIRECTION,ELAPSED_TIME,PROTOCOL,LOCAL_SEND_SIZE,LOCAL_RECV_SIZE,REMOTE_SEND_SIZE,REMOTE_RECV_SIZE,LOCAL_BYTES_SENT,LOCAL_BYTES_RECVD,REMOTE_BYTES_SENT,REMOTE_BYTES_RECVD Return code: 1 Stdout: send_data: data send error: Invalid argument (errno 22) Stderr: netperf: send_omni: send_data failed: Invalid argument WARNING: Program exited non-zero. Runner class: NetperfDemoRunner Command: /usr/bin/netperf -P 0 -v 0 -D -0.20 -4 -Y CS1,CS1 -H XXXXX -p 12865 -t UDP_RR -l 70 -F /dev/urandom -- -e 2 -H XXXXX -k THROUGHPUT,LOCAL_CONG_CONTROL,REMOTE_CONG_CONTROL,TRANSPORT_MSS,LOCAL_TRANSPORT_RETRANS,REMOTE_TRANSPORT_RETRANS,LOCAL_SOCKET_TOS,REMOTE_SOCKET_TOS,DIRECTION,ELAPSED_TIME,PROTOCOL,LOCAL_SEND_SIZE,LOCAL_RECV_SIZE,REMOTE_SEND_SIZE,REMOTE_RECV_SIZE,LOCAL_BYTES_SENT,LOCAL_BYTES_RECVD,REMOTE_BYTES_SENT,REMOTE_BYTES_RECVD Return code: 1 Stdout: send_data: data send error: Invalid argument (errno 22) Stderr: netperf: send_omni: send_data failed: Invalid argument WARNING: Command produced no valid data. Runner class: NetperfDemoRunner Command: /usr/bin/netperf -P 0 -v 0 -D -0.20 -4 -Y CS1,CS1 -H XXXXX -p 12865 -t UDP_RR -l 70 -F /dev/urandom -- -e 2 -H XXXXX -k THROUGHPUT,LOCAL_CONG_CONTROL,REMOTE_CONG_CONTROL,TRANSPORT_MSS,LOCAL_TRANSPORT_RETRANS,REMOTE_TRANSPORT_RETRANS,LOCAL_SOCKET_TOS,REMOTE_SOCKET_TOS,DIRECTION,ELAPSED_TIME,PROTOCOL,LOCAL_SEND_SIZE,LOCAL_RECV_SIZE,REMOTE_SEND_SIZE,REMOTE_RECV_SIZE,LOCAL_BYTES_SENT,LOCAL_BYTES_RECVD,REMOTE_BYTES_SENT,REMOTE_BYTES_RECVD Return code: 1 Stdout: send_data: data send error: Invalid argument (errno 22) Stderr: netperf: send_omni: send_data failed: Invalid argument WARNING: Program exited non-zero. Runner class: NetperfDemoRunner Command: /usr/bin/netperf -P 0 -v 0 -D -0.20 -4 -H XXXXX -p 12865 -t UDP_RR -l 70 -F /dev/urandom -- -e 2 -H XXXXX -k THROUGHPUT,LOCAL_CONG_CONTROL,REMOTE_CONG_CONTROL,TRANSPORT_MSS,LOCAL_TRANSPORT_RETRANS,REMOTE_TRANSPORT_RETRANS,LOCAL_SOCKET_TOS,REMOTE_SOCKET_TOS,DIRECTION,ELAPSED_TIME,PROTOCOL,LOCAL_SEND_SIZE,LOCAL_RECV_SIZE,REMOTE_SEND_SIZE,REMOTE_RECV_SIZE,LOCAL_BYTES_SENT,LOCAL_BYTES_RECVD,REMOTE_BYTES_SENT,REMOTE_BYTES_RECVD Return code: 1 Stdout: send_data: data send error: Invalid argument (errno 22) Stderr: netperf: send_omni: send_data failed: Invalid argument WARNING: Command produced no valid data. Runner class: NetperfDemoRunner Command: /usr/bin/netperf -P 0 -v 0 -D -0.20 -4 -H XXXXX -p 12865 -t UDP_RR -l 70 -F /dev/urandom -- -e 2 -H XXXXX -k THROUGHPUT,LOCAL_CONG_CONTROL,REMOTE_CONG_CONTROL,TRANSPORT_MSS,LOCAL_TRANSPORT_RETRANS,REMOTE_TRANSPORT_RETRANS,LOCAL_SOCKET_TOS,REMOTE_SOCKET_TOS,DIRECTION,ELAPSED_TIME,PROTOCOL,LOCAL_SEND_SIZE,LOCAL_RECV_SIZE,REMOTE_SEND_SIZE,REMOTE_RECV_SIZE,LOCAL_BYTES_SENT,LOCAL_BYTES_RECVD,REMOTE_BYTES_SENT,REMOTE_BYTES_RECVD Return code: 1 Stdout: send_data: data send error: Invalid argument (errno 22) Stderr: netperf: send_omni: send_data failed: Invalid argument Summary of rrul test run from 2020-12-04 20:04:49.807272 avg median # data pts Ping (ms) ICMP : 40.35 41.60 ms 350 Ping (ms) UDP BE : No data. Ping (ms) UDP BK : No data. Ping (ms) UDP EF : No data. Ping (ms) avg : 40.35 N/A ms 350 TCP download BE : 0.82 0.77 Mbits/s 350 TCP download BK : 0.80 0.75 Mbits/s 350 TCP download CS5 : 0.79 0.75 Mbits/s 350 TCP download EF : 0.67 0.63 Mbits/s 350 TCP download avg : 0.77 N/A Mbits/s 350 TCP download sum : 3.08 N/A Mbits/s 350 TCP totals : 94.35 N/A Mbits/s 350 TCP upload BE : 23.03 23.02 Mbits/s 350 TCP upload BK : 22.70 22.67 Mbits/s 350 TCP upload CS5 : 22.87 22.91 Mbits/s 350 TCP upload EF : 22.67 23.21 Mbits/s 350 TCP upload avg : 22.82 N/A Mbits/s 350 TCP upload sum : 91.27 N/A Mbits/s 350 Data file written to /home/jonas/flent/rrul-2020-12-04T210449.807272.flent.gz. ``` Output graph for an RRUL test is missing the 3 UDP ping series, but all other series seem to have gotten through. Perhaps this is no issue in flent after all, just my cloud provider blocking UDP ping... -- You are receiving this because you are subscribed to this thread. 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