On Thu, Nov 5, 2009 at 9:47 PM, Nenad Opsenica <ne...@panline.net> wrote: > Matteo, > > Try to turn off power savings feature on STA: > > iwconfig wlan0 power off > > What performance could you get after that? > > Regards, > > Nenad > > Matteo Croce wrote: >> Hi. >> >> i'm playing with ath9k and I get very poor performances. I noticed >> that I can send data fast to the AP but the AP is very slow to send, >> both devices are running openwrt trunk with latest ath9k from linville's >> tree. >> The card are Ubiquiti SR71-A MIMO 3x3 with and AR9160 chipset in it. >> The devices are close enough (not too much) and noone else is >> transmitting on the 5 GHz band >> here are some informations that could help: >> >> # client -> AP >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 0.0- 1.0 sec 7.58 MBytes 63.6 Mbits/sec 0.171 ms 490/ 5896 (8.3%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 1.0- 2.0 sec 7.78 MBytes 65.3 Mbits/sec 0.240 ms 379/ 5932 (6.4%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 2.0- 3.0 sec 7.71 MBytes 64.7 Mbits/sec 0.158 ms 436/ 5937 (7.3%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 3.0- 4.0 sec 7.48 MBytes 62.8 Mbits/sec 0.432 ms 593/ 5931 (10%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 4.0- 5.0 sec 7.39 MBytes 62.0 Mbits/sec 0.194 ms 258/ 5526 (4.7%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 5.0- 6.0 sec 7.08 MBytes 59.4 Mbits/sec 0.214 ms 605/ 5658 (11%) >> >> # AP -> client >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 0.0- 1.0 sec 574 KBytes 4.70 Mbits/sec 8.346 ms 108/ 508 (21%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 1.0- 2.0 sec 546 KBytes 4.47 Mbits/sec 0.877 ms 54/ 434 (12%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 2.0- 3.0 sec 894 KBytes 7.33 Mbits/sec 6.866 ms 48/ 671 (7.2%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 3.0- 4.0 sec 309 KBytes 2.53 Mbits/sec 1.564 ms 61/ 276 (22%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 4.0- 5.0 sec 702 KBytes 5.75 Mbits/sec 3.300 ms 27/ 516 (5.2%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 5.0- 6.0 sec 314 KBytes 2.58 Mbits/sec 8.627 ms 59/ 278 (21%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 6.0- 7.0 sec 296 KBytes 2.42 Mbits/sec 18.781 ms 25/ 231 (11%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 7.0- 8.0 sec 993 KBytes 8.14 Mbits/sec 2.878 ms 80/ 772 (10%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 8.0- 9.0 sec 706 KBytes 5.79 Mbits/sec 6.422 ms 58/ 550 (11%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 9.0-10.0 sec 334 KBytes 2.74 Mbits/sec 4.557 ms 42/ 275 (15%) >> [ ID] Interval Transfer Bandwidth Jitter Lost/Total >> Datagrams >> [ 3] 0.0-10.9 sec 5.57 MBytes 4.30 Mbits/sec 91.782 ms 568/ 4543 (13%) >> >> # ping 10.0.0.1 # client -> AP >> PING 10.0.0.1 (10.0.0.1): 56 data bytes >> 64 bytes from 10.0.0.1: seq=0 ttl=64 time=2.762 ms >> 64 bytes from 10.0.0.1: seq=1 ttl=64 time=3.866 ms >> 64 bytes from 10.0.0.1: seq=2 ttl=64 time=2.613 ms >> 64 bytes from 10.0.0.1: seq=3 ttl=64 time=2.777 ms >> ^C >> --- 10.0.0.1 ping statistics --- >> 4 packets transmitted, 4 packets received, 0% packet loss >> round-trip min/avg/max = 2.613/3.004/3.866 ms >> # ping 10.0.0.2 # AP -> client >> PING 10.0.0.2 (10.0.0.2): 56 data bytes >> 64 bytes from 10.0.0.2: seq=0 ttl=64 time=146.080 ms >> 64 bytes from 10.0.0.2: seq=1 ttl=64 time=55.668 ms >> 64 bytes from 10.0.0.2: seq=2 ttl=64 time=78.811 ms >> 64 bytes from 10.0.0.2: seq=3 ttl=64 time=102.908 ms >> 64 bytes from 10.0.0.2: seq=4 ttl=64 time=25.216 ms >> ^C >> --- 10.0.0.2 ping statistics --- >> 5 packets transmitted, 5 packets received, 0% packet loss >> round-trip min/avg/max = 25.216/81.736/146.080 ms >> >> # while sleep 1 ; do iw dev wlan0 link; done >> Connected to 00:15:6d:84:13:06 (on wlan0) >> SSID: OpenWrt >> freq: 5180 >> RX: 279472 bytes (1931 packets) >> TX: 822486078 bytes (536976 packets) >> signal: -18 dBm >> tx bitrate: 324.0 MBit/s MCS 28 40Mhz >> Connected to 00:15:6d:84:13:06 (on wlan0) >> SSID: OpenWrt >> freq: 5180 >> RX: 211507 bytes (1450 packets) >> TX: 423926440 bytes (276793 packets) >> signal: -18 dBm >> tx bitrate: MCS 36 40Mhz >> Connected to 00:15:6d:84:13:06 (on wlan0) >> SSID: OpenWrt >> freq: 5180 >> RX: 275354 bytes (1902 packets) >> TX: 797028834 bytes (520359 packets) >> signal: -18 dBm >> tx bitrate: 324.0 MBit/s MCS 28 40Mhz >> Connected to 00:15:6d:84:13:06 (on wlan0) >> SSID: OpenWrt >> freq: 5180 >> RX: 276632 bytes (1911 packets) >> TX: 806084486 bytes (526270 packets) >> signal: -18 dBm >> tx bitrate: 324.0 MBit/s MCS 28 40Mhz >> >> >> # cat /etc/hostapd.conf >> driver=nl80211 >> interface=wlan0 >> hw_mode=a >> >> >> ssid=OpenWrt >> wpa=0 >> >> country_code=US >> channel=36 >> ieee80211n=1 >> ht_capab=[SHORT-GI-40][HT40+] >> >> >> >> wme_enabled=1 >> wme_ac_bk_cwmin=4 >> wme_ac_bk_cwmax=10 >> wme_ac_bk_aifs=7 >> wme_ac_bk_txop_limit=0 >> wme_ac_bk_acm=0 >> wme_ac_be_aifs=3 >> wme_ac_be_cwmin=4 >> wme_ac_be_cwmax=10 >> wme_ac_be_txop_limit=0 >> wme_ac_be_acm=0 >> wme_ac_vi_aifs=2 >> wme_ac_vi_cwmin=3 >> wme_ac_vi_cwmax=4 >> wme_ac_vi_txop_limit=94 >> wme_ac_vi_acm=0 >> wme_ac_vo_aifs=2 >> wme_ac_vo_cwmin=2 >> wme_ac_vo_cwmax=3 >> wme_ac_vo_txop_limit=47 >> wme_ac_vo_acm=0 >> tx_queue_data3_aifs=7 >> tx_queue_data3_cwmin=15 >> tx_queue_data3_cwmax=1023 >> tx_queue_data3_burst=0 >> tx_queue_data2_aifs=3 >> tx_queue_data2_cwmin=15 >> tx_queue_data2_cwmax=63 >> tx_queue_data2_burst=0 >> tx_queue_data1_aifs=1 >> tx_queue_data1_cwmin=7 >> tx_queue_data1_cwmax=15 >> tx_queue_data1_burst=3.0 >> tx_queue_data0_aifs=1 >> tx_queue_data0_cwmin=3 >> tx_queue_data0_cwmax=7 >> tx_queue_data0_burst=1.5 >> >> # dmesg >> cfg80211: Calling CRDA to update world regulatory domain >> cfg80211: World regulatory domain updated: >> (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) >> (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) >> (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) >> (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) >> (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) >> (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) >> PCI: Enabling device 0000:00:11.0 (0000 -> 0002) >> phy0: Selected rate control algorithm 'ath9k_rate_control' >> Registered led device: ath9k-phy0::radio >> Registered led device: ath9k-phy0::assoc >> Registered led device: ath9k-phy0::tx >> Registered led device: ath9k-phy0::rx >> phy0: Atheros AR9160 MAC/BB Rev:0 AR5133 RF Rev:b0 mem=0xb0000000, irq=48 >> # hostapd -v >> hostapd v0.6.9 >> User space daemon for IEEE 802.11 AP management, >> IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator >> Copyright (c) 2002-2009, Jouni Malinen <j...@w1.fi> and contributors >> >> >> >> Cheers, >> Matteo Croce >> _______________________________________________ >> ath9k-devel mailing list >> ath9k-devel@lists.ath9k.org >> https://lists.ath9k.org/mailman/listinfo/ath9k-devel >> > > _______________________________________________ > ath9k-devel mailing list > ath9k-devel@lists.ath9k.org > https://lists.ath9k.org/mailman/listinfo/ath9k-devel >
Performances have some slowdowns even with PS: [ 3] local 10.0.0.1 port 5001 connected with 10.0.0.2 port 39945 [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0- 1.0 sec 1.19 MBytes 10.0 Mbits/sec 0.197 ms 0/ 850 (0%) [ 3] 1.0- 2.0 sec 1.19 MBytes 10.0 Mbits/sec 0.089 ms 0/ 850 (0%) [ 3] 2.0- 3.0 sec 1.19 MBytes 10.0 Mbits/sec 0.222 ms 0/ 851 (0%) [ 3] 3.0- 4.0 sec 1.19 MBytes 10.0 Mbits/sec 0.108 ms 0/ 850 (0%) [ 3] 4.0- 5.0 sec 1.19 MBytes 10.0 Mbits/sec 0.071 ms 0/ 850 (0%) [ 3] 5.0- 6.0 sec 1.19 MBytes 10.0 Mbits/sec 0.428 ms 0/ 851 (0%) [ 3] 6.0- 7.0 sec 144 KBytes 1.18 Mbits/sec 6.466 ms 0/ 100 (0%) [ 3] 7.0- 8.0 sec 1.46 MBytes 12.2 Mbits/sec 1.545 ms 0/ 1040 (0%) [ 3] 8.0- 9.0 sec 517 KBytes 4.23 Mbits/sec 21.016 ms 0/ 360 (0%) [ 3] 9.0-10.0 sec 149 KBytes 1.22 Mbits/sec 20.680 ms 0/ 104 (0%) [ 3] 10.0-11.0 sec 122 KBytes 1000 Kbits/sec 5.827 ms 0/ 85 (0%) [ 3] 11.0-12.0 sec 703 KBytes 5.76 Mbits/sec 0.927 ms 2/ 492 (0.41%) [ 3] 12.0-13.0 sec 1.43 MBytes 12.0 Mbits/sec 0.118 ms 0/ 1023 (0%) [ 3] 13.0-14.0 sec 1.19 MBytes 10.0 Mbits/sec 0.397 ms 0/ 851 (0%) [ 3] 14.0-15.0 sec 1.19 MBytes 10.0 Mbits/sec 0.085 ms 0/ 850 (0%) [ 3] 15.0-16.0 sec 316 KBytes 2.59 Mbits/sec 3.155 ms 0/ 220 (0%) [ 3] 16.0-17.0 sec 0.00 Bytes 0.00 bits/sec 3.155 ms 0/ 0 (nan%) [ 3] 17.0-18.0 sec 0.00 Bytes 0.00 bits/sec 3.155 ms 0/ 0 (nan%) [ 3] 18.0-19.0 sec 0.00 Bytes 0.00 bits/sec 3.155 ms 0/ 0 (nan%) [ 3] 19.0-20.0 sec 0.00 Bytes 0.00 bits/sec 3.155 ms 0/ 0 (nan%) [ 3] 20.0-21.0 sec 1.44 KBytes 11.8 Kbits/sec 310.090 ms 0/ 1 (0%) [ 3] 21.0-22.0 sec 1.44 KBytes 11.8 Kbits/sec 341.837 ms 0/ 1 (0%) [ 3] 22.0-23.0 sec 0.00 Bytes 0.00 bits/sec 341.837 ms 0/ 0 (nan%) [ 3] 23.0-24.0 sec 0.00 Bytes 0.00 bits/sec 341.837 ms 0/ 0 (nan%) [ 3] 24.0-25.0 sec 2.87 KBytes 23.5 Kbits/sec 513.975 ms 0/ 2 (0%) [ 3] 25.0-26.0 sec 1.44 KBytes 11.8 Kbits/sec 542.056 ms 0/ 1 (0%) [ 3] 26.0-27.0 sec 0.00 Bytes 0.00 bits/sec 542.056 ms 0/ 0 (nan%) [ 3] 27.0-28.0 sec 1.44 KBytes 11.8 Kbits/sec 596.146 ms 0/ 1 (0%) [ 3] 28.0-29.0 sec 5.74 KBytes 47.0 Kbits/sec 549.782 ms 0/ 4 (0%) [ 3] 29.0-30.0 sec 2.87 KBytes 23.5 Kbits/sec 525.176 ms 0/ 2 (0%) [ 3] 30.0-31.0 sec 0.00 Bytes 0.00 bits/sec 525.176 ms 0/ 0 (nan%) [ 3] 31.0-32.0 sec 4.31 KBytes 35.3 Kbits/sec 551.230 ms 0/ 3 (0%) [ 3] 32.0-33.0 sec 0.00 Bytes 0.00 bits/sec 551.230 ms 0/ 0 (nan%) [ 3] 33.0-34.0 sec 0.00 Bytes 0.00 bits/sec 551.230 ms 0/ 0 (nan%) [ 3] 34.0-35.0 sec 0.00 Bytes 0.00 bits/sec 551.230 ms 0/ 0 (nan%) [ 3] 35.0-36.0 sec 7.18 KBytes 58.8 Kbits/sec 610.379 ms 0/ 5 (0%) [ 3] 36.0-37.0 sec 2.87 KBytes 23.5 Kbits/sec 579.865 ms 0/ 2 (0%) [ 3] 37.0-38.0 sec 4.31 KBytes 35.3 Kbits/sec 549.302 ms 0/ 3 (0%) [ 3] 38.0-39.0 sec 5.74 KBytes 47.0 Kbits/sec 475.786 ms 0/ 4 (0%) [ 3] 39.0-40.0 sec 4.31 KBytes 35.3 Kbits/sec 456.728 ms 0/ 3 (0%) [ 3] 40.0-41.0 sec 2.87 KBytes 23.5 Kbits/sec 462.889 ms 0/ 2 (0%) [ 3] 41.0-42.0 sec 8.61 KBytes 70.6 Kbits/sec 347.765 ms 0/ 6 (0%) [ 3] 42.0-43.0 sec 4.31 KBytes 35.3 Kbits/sec 325.989 ms 0/ 3 (0%) [ 3] 43.0-44.0 sec 8.61 KBytes 70.6 Kbits/sec 301.288 ms 0/ 6 (0%) [ 3] 44.0-45.0 sec 11.5 KBytes 94.1 Kbits/sec 207.483 ms 0/ 8 (0%) [ 3] 0.0-45.9 sec 14.4 MBytes 2.64 Mbits/sec 1711.079 ms 1/10291 (0.0097%) _______________________________________________ ath9k-devel mailing list ath9k-devel@lists.ath9k.org https://lists.ath9k.org/mailman/listinfo/ath9k-devel
