On 16/12/2022 08:25, Samie Mostafavi wrote:
Hi Wade,
Thanks for your answer. I figured out the problem. It was the switch
in between that I had to reboot. I had jumbo frame option enabled on
the switch but a reboot was needed. Now that I try it works:
host$ ping -M do -s 5850 10.40.3.1
PING 10.40.3.1 (10.40.3.1) 5850(5878) bytes of data.
5858 bytes from 10.40.3.1: icmp_seq=1 ttl=64 time=2.24 ms
5858 bytes from 10.40.3.1: icmp_seq=2 ttl=64 time=1.25 ms
5858 bytes from 10.40.3.1: icmp_seq=3 ttl=64 time=1.19 ms
5858 bytes from 10.40.3.1: icmp_seq=4 ttl=64 time=1.19 ms
host$ ./benchmark_rate --args
"mgmt_addr=10.10.3.1,addr=10.40.3.1,master_clock_rate=61.44e6"
--duration 60 --channels "0" --rx_rate 61.44e6 --rx_subdev "A:0"
--tx_rate 61.44e6 --tx_subdev "A:0" --rx_spp 1919 --tx_spp
1919--tx_stream_args "spp=1919" --rx_stream_args "spp=1919"
[INFO] [UHD] linux; GNU C++ version 9.4.0; Boost_107100;
UHD_4.3.0.HEAD-0-g1f8fd345
[00:00:00.000254] Creating the usrp device with:
mgmt_addr=10.10.3.1,addr=10.40.3.1,master_clock_rate=61.44e6...
[INFO] [MPMD] Initializing 1 device(s) in parallel with args:
mgmt_addr=10.10.3.1,type=e3xx,product=e320,serial=3238B97,name=ni-e320-3238B97,fpga=XG,claimed=False,addr=10.40.3.1,master_clock_rate=61.44e6
*[WARNING] [MPM.RPCServer] *A timeout event occured!
[INFO] [MPM.PeriphManager] init() called with device args
`fpga=XG,master_clock_rate=61.44e6,mgmt_addr=10.10.3.1,name=ni-e320-3238B97,product=e320'.
*[WARNING] [RFNOC::GRAPH] *One or more blocks timed out during flush!
[INFO] [0/Radio#0] Performing CODEC loopback test on channel 0 ...
[INFO] [0/Radio#0] CODEC loopback test passed
[INFO] [0/Radio#0] Performing CODEC loopback test on channel 1 ...
[INFO] [0/Radio#0] CODEC loopback test passed
[INFO] [0/DmaFIFO#0] BIST passed (Estimated Minimum Throughput: 1361 MB/s)
[INFO] [0/DmaFIFO#0] BIST passed (Estimated Minimum Throughput: 1361 MB/s)
Using Device: Single USRP:
Device: E300-Series Device
Mboard 0: e320
RX Channel: 0
RX DSP: 0
RX Dboard: A
RX Subdev: E3xx
TX Channel: 0
TX DSP: 0
TX Dboard: A
TX Subdev: E3xx
[00:00:05.502443989] Setting device timestamp to 0...
*Setting RX spp to 1919*
*Setting TX spp to 1916*
[00:00:05.512753951] Testing receive rate 61.440000 Msps on 1 channels
[00:00:05.554696549] Testing transmit rate 61.440000 Msps on 1 channels
[00:00:05.555824707] Detected Rx sequence error.
DU[00:01:05.558922952] Benchmark complete.
Benchmark rate summary:
Num received samples: 3686368018
Num dropped samples:3196728
Num overruns detected:0
Num transmitted samples:3686403160
Num sequence errors (Tx): 0
Num sequence errors (Rx): 1
Num underruns detected: 1
Num late commands:0
Num timeouts (Tx):0
Num timeouts (Rx):0
Done!
Best,
Samie
You might also try some of the things noted here:
https://kb.ettus.com/USRP_Host_Performance_Tuning_Tips_and_Tricks#Adjust_Network_Buffers
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