> -----Original Message----- > From: Toke Høiland-Jørgensen <toke@xxxxxxx> > Sent: Friday, August 10, 2018 9:18 PM > To: Wen Gong <wgong@xxxxxxxxxxxxxxxx>; Wen Gong > <wgong@xxxxxxxxxxxxxx>; ath10k@xxxxxxxxxxxxxxxxxxx; > johannes@xxxxxxxxxxxxxxxx > Cc: linux-wireless@xxxxxxxxxxxxxxx > Subject: RE: [PATCH v2 2/2] ath10k: Set sk_pacing_shift to 6 for 11AC WiFi > chips > > Wen Gong <wgong@xxxxxxxxxxxxxxxx> writes: > > >> > > Hi Toke, > > Could you give the command line for the latency test? > > https://flent.org/intro.html#quick-start > > I used the command but test failed: > > flent tcp_download -p 1 -l 60 -H 192.168.1.5 -t > > text-to-be-included-in-plot -o file1.png error loading plotter: unable to find > plot configuration "1" > > Try something like: > > > flent -H 192.168.1.5 -t "sk_pacing_shift 7" tcp_nup --test-parameter > upload_streams=1 > > > This will note the value of sk_pacing_shift you are testing in the data file (so > change that as appropriate), and you can vary the number of TCP streams by > changing the upload_streams parameter. > > Note that in this case I'm assuming you are running Flent on the device with > the kernel you are trying to test, so you want a TCP transfer going > *from* the device. If not, change "tcp_nup" to "tcp_ndown" and > "upload_streams" to "download_streams". Upload is netperf TCP_STREAM > test, and download is TCP_MAERTS. > > When running the above command you'll get a summary output on the > terminal that you can paste on the list; and also a data file to plot things form. > For instance, you can do something like 'flent -p ping_cdf *.flent.gz' to get a > CDF plot of all your test results afterwards. You are also very welcome to > send me the .flent.gz data files and I'll take a look to make sure everything > looks reasonable :) > > -Toke Hi Toke, I have tested with your method for shift 6/8/10/7 all twice time in open air environment. Shift 6: wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t "sk_pacing_shift6" tcp_nup --test-parameter upload_streams=1 Started Flent 1.2.2 using Python 2.7.12. Starting tcp_nup test. Expected run time: 70 seconds. Data file written to ./tcp_nup-2018-08-13T110414.699512.sk_pacing_shift6.flent.gz. Summary of tcp_nup test run 'sk_pacing_shift6' (at 2018-08-13 03:04:14.699512): avg median # data pts Ping (ms) ICMP : 9.91 4.99 ms 350 TCP upload avg : 242.48 262.43 Mbits/s 301 TCP upload sum : 242.48 262.43 Mbits/s 301 TCP upload::1 : 242.48 263.34 Mbits/s 271 wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t "sk_pacing_shift6" tcp_nup --test-parameter upload_streams=1 Started Flent 1.2.2 using Python 2.7.12. Starting tcp_nup test. Expected run time: 70 seconds. Data file written to ./tcp_nup-2018-08-13T113317.074077.sk_pacing_shift6.flent.gz. Summary of tcp_nup test run 'sk_pacing_shift6' (at 2018-08-13 03:33:17.074077): avg median # data pts Ping (ms) ICMP : 7.75 5.30 ms 350 TCP upload avg : 239.17 250.84 Mbits/s 301 TCP upload sum : 239.17 250.84 Mbits/s 301 TCP upload::1 : 239.17 255.03 Mbits/s 266 Shift 8: wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t "sk_pacing_shift8" tcp_nup --test-parameter upload_streams=1 Started Flent 1.2.2 using Python 2.7.12. Starting tcp_nup test. Expected run time: 70 seconds. Data file written to ./tcp_nup-2018-08-13T121433.187781.sk_pacing_shift8.flent.gz. Summary of tcp_nup test run 'sk_pacing_shift8' (at 2018-08-13 04:14:33.187781): avg median # data pts Ping (ms) ICMP : 17.12 7.07 ms 350 TCP upload avg : 180.05 185.82 Mbits/s 301 TCP upload sum : 180.05 185.82 Mbits/s 301 TCP upload::1 : 180.05 189.41 Mbits/s 253 wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t "sk_pacing_shift8" tcp_nup --test-parameter upload_streams=1 Started Flent 1.2.2 using Python 2.7.12. Starting tcp_nup test. Expected run time: 70 seconds. Data file written to ./tcp_nup-2018-08-13T121602.382575.sk_pacing_shift8.flent.gz. Summary of tcp_nup test run 'sk_pacing_shift8' (at 2018-08-13 04:16:02.382575): avg median # data pts Ping (ms) ICMP : 13.90 5.89 ms 350 TCP upload avg : 207.56 228.16 Mbits/s 301 TCP upload sum : 207.56 228.16 Mbits/s 301 TCP upload::1 : 207.56 228.11 Mbits/s 259 Shift 10: wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t "sk_pacing_shift10" tcp_nup --test-parameter upload_streams=1 Started Flent 1.2.2 using Python 2.7.12. Starting tcp_nup test. Expected run time: 70 seconds. Data file written to ./tcp_nup-2018-08-13T121844.493498.sk_pacing_shift10.flent.gz. Summary of tcp_nup test run 'sk_pacing_shift10' (at 2018-08-13 04:18:44.493498): avg median # data pts Ping (ms) ICMP : 15.11 7.41 ms 350 TCP upload avg : 162.38 164.10 Mbits/s 301 TCP upload sum : 162.38 164.10 Mbits/s 301 TCP upload::1 : 162.38 165.47 Mbits/s 252 wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t "sk_pacing_shift10" tcp_nup --test-parameter upload_streams=1 Started Flent 1.2.2 using Python 2.7.12. Starting tcp_nup test. Expected run time: 70 seconds. Data file written to ./tcp_nup-2018-08-13T122108.347163.sk_pacing_shift10.flent.gz. Summary of tcp_nup test run 'sk_pacing_shift10' (at 2018-08-13 04:21:08.347163): avg median # data pts Ping (ms) ICMP : 13.69 7.48 ms 350 TCP upload avg : 171.11 170.52 Mbits/s 301 TCP upload sum : 171.11 170.52 Mbits/s 301 TCP upload::1 : 171.11 171.36 Mbits/s 258 Shift 7: wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t "sk_pacing_shift7" tcp_nup --test-parameter upload_streams=1 Started Flent 1.2.2 using Python 2.7.12. Starting tcp_nup test. Expected run time: 70 seconds. Data file written to ./tcp_nup-2018-08-13T122948.020974.sk_pacing_shift7.flent.gz. Summary of tcp_nup test run 'sk_pacing_shift7' (at 2018-08-13 04:29:48.020974): avg median # data pts Ping (ms) ICMP : 14.12 6.61 ms 350 TCP upload avg : 188.19 188.04 Mbits/s 301 TCP upload sum : 188.19 188.04 Mbits/s 301 TCP upload::1 : 188.19 190.88 Mbits/s 258 wgong@wgong-Latitude-E5440-1:~/flent$ flent -H 192.168.1.7 -t "sk_pacing_shift7" tcp_nup --test-parameter upload_streams=1 Started Flent 1.2.2 using Python 2.7.12. Starting tcp_nup test. Expected run time: 70 seconds. Data file written to ./tcp_nup-2018-08-13T123129.526514.sk_pacing_shift7.flent.gz. Summary of tcp_nup test run 'sk_pacing_shift7' (at 2018-08-13 04:31:29.526514): avg median # data pts Ping (ms) ICMP : 10.31 6.32 ms 350 TCP upload avg : 212.70 233.69 Mbits/s 301 TCP upload sum : 212.70 233.69 Mbits/s 301 TCP upload::1 : 212.70 237.65 Mbits/s 262
