Performance of AR9287
Derrick Edwards
dantavious313 at gmail.com
Fri Sep 21 11:01:45 UTC 2012
On Friday, September 21, 2012 12:50:08 AM Adrian Chadd wrote:
> Which iperf is upload and which is download?
>
> Can you run athstats during the transfer?
>
> Adrian
>
> On Sep 20, 2012 8:57 PM, "Derrick Edwards" <dantavious313 at gmail.com> wrote:
> > Hi,
> >
> > I am utilizing an mini PCIE AR9287 mini PCI-E. It is not performing as
> > expected thus far. I utilized iperf to test speed from laptops (both
> > FreeBSD
> > and Windows) to local default gateway. The results are show below with
> > the first result being executed from the Windows Laptop and FreeBSD
> > afterwards. Are these results to be expected?
> >
> > Derrick
> >
> > Windows
> >
> > Server listening on TCP port 5001
> > TCP window size: 64.0 KByte (default)
> > ------------------------------------------------------------
> > [ 4] local 192.168.15.3 port 5001 connected with 192.168.15.153 port
> > 58137 ------------------------------------------------------------
> > Client connecting to 192.168.15.153, TCP port 5001
> > TCP window size: 56.5 KByte (default)
> > ------------------------------------------------------------
> > [ 6] local 192.168.15.3 port 49723 connected with 192.168.15.153 port
> > 5001 Waiting for server threads to complete. Interrupt again to force
> > quit. [ ID] Interval Transfer Bandwidth
> > [ 4] 0.0-10.0 sec 14.3 MBytes 12.0 Mbits/sec
> > [ 6] 0.0-10.0 sec 74.4 MBytes 62.4 Mbits/sec
> >
> >
> > FreeBSD 10.0-CURRENT #0: Thu Sep 20 16:22:56 EDT 2012
> >
> > Server listening on TCP port 5001
> > TCP window size: 64.0 KByte (default)
> > ------------------------------------------------------------
> > [ 4] local 192.168.15.3 port 5001 connected with 192.168.15.238 port
> > 44678 ------------------------------------------------------------
> > Client connecting to 192.168.15.238, TCP port 5001
> > TCP window size: 32.5 KByte (default)
> > ------------------------------------------------------------
> > [ 6] local 192.168.15.3 port 40554 connected with 192.168.15.238 port
> > 5001 Waiting for server threads to complete. Interrupt again to force
> > quit. [ ID] Interval Transfer Bandwidth
> > [ 4] 0.0-10.0 sec 74.4 MBytes 62.3 Mbits/sec
> > [ 6] 0.0-10.1 sec 9.87 MBytes 8.21 Mbits/sec
> >
> >
> >
> > wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
> > 1500
> >
> > ether 1c:65:9d:ab:18:6f
> > inet 192.168.15.238 netmask 0xffffff00 broadcast 192.168.15.255
> > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> > media: IEEE 802.11 Wireless Ethernet MCS mode 11ng
> > status: associated
> > ssid datdude channel 1 (2412 MHz 11g ht/40+) bssid
> >
> > 10:bf:48:d9:1e:a0
> >
> > regdomain FCC country US indoor ecm authmode WPA2/802.11i privacy
> >
> > ON
> >
> > deftxkey UNDEF AES-CCM 2:128-bit txpower 30 bmiss 7 scanvalid 60
> > protmode CTS ampdulimit 64k ampdudensity 8 shortgi wme burst
> > roaming MANUAL
> >
> > ./athstats
> > 495670 data frames received
> > 605640 data frames transmit
> > 1129 tx frames with an alternate rate
> > 21720 short on-chip tx retries
> > 15941 long on-chip tx retries
> > 34 tx failed 'cuz too many retries
> > 428 mib overflow interrupts
> > 9 tx linearized to cluster
> > MCS4 current transmit rate
> > 1 watchdog timeouts
> > 12 beacon miss interrupts
> > 37 tx failed 'cuz destination filtered
> > 21042 rx failed 'cuz of bad CRC
> > 7 rx failed 'cuz decryption
> > 5 rx failed 'cuz of PHY err
> >
> > 5 illegal service
> >
> > 354 periodic calibrations
> > -0/+0 TDMA slot adjust (usecs, smoothed)
> > 58 rssi of last ack
> > 48 avg recv rssi
> > -96 rx noise floor
> > 4 phantom beacon misses
> > 237 tx frames through raw api
> > 303067 A-MPDU sub-frames received
> > 136445 Half-GI frames received
> > 321349 40MHz frames received
> > 4339 CRC errors for non-last A-MPDU subframes
> > 179 CRC errors for last subframe in an A-MPDU
> > 128845 Frames transmitted with HT Protection
> > 69601 Number of frames retransmitted in software
> > 556475 A-MPDU sub-frame TX attempt success
> > 69579 A-MPDU sub-frame TX attempt failures
> > 6 A-MPDU TX frame failures
> > 2 first step level
> > 1 OFDM weak signal detect
> > 140 ANI increased noise immunity
> > 140 ANI decrease noise immunity
> > 1 ANI increased spur immunity
> > 1 ANI decrease spur immunity
> > 127 ANI disabled OFDM weak signal detect
> > 127 ANI disabled CCK weak signal threshold
> > 2 ANI increased first step level
> > 251877 cumulative OFDM phy error count
> > 348293 cumulative CCK phy error count
> > 431 ANI forced listen time to zero
> > 15583 missing ACK's
> > 23402 RTS without CTS
> > 94745 successful RTS
> > 77637 bad FCS
> > 102509 beacons received
> > 66 average rssi (beacons only)
> > 59 average rssi (all rx'd frames)
> > 60 average rssi (ACKs only)
> > Antenna profile:
> > [0] tx 87529 rx 100
> > [1] tx 0 rx 495570
> >
> >
> >
> > ath0 at pci0:2:0:0: class=0x028000 card=0x30a417aa chip=0x002e168c
> > rev=0x01 hdr=0x00
> >
> > vendor = 'Atheros Communications Inc.'
> > device = 'AR9287 Wireless Network Adapter (PCI-Express)'
> > class = network
> > bar [10] = type Memory, range 64, base 0xb8500000, size 65536,
> >
> > enabled
> >
> > cap 01[40] = powerspec 3 supports D0 D1 D3 current D0
> > cap 05[50] = MSI supports 1 message
> > cap 10[60] = PCI-Express 2 legacy endpoint max data 128(128) link
> >
> > x1(x1)
> > ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected
> > ecap 0002[140] = VC 1 max VC0
> > ecap 0003[160] = Serial 1 001517ffff241412
> > ecap 0004[170] = Power Budgeting 1
> >
> >
> > _______________________________________________
> > freebsd-wireless at freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless
> > To unsubscribe, send any mail to
> > "freebsd-wireless-unsubscribe at freebsd.org "
Thanks for the responce.
I did another test running athstats during transfer.
Upload Test Results:
iperf -c 192.168.15.3
------------------------------------------------------------
Client connecting to 192.168.15.3, TCP port 5001
TCP window size: 32.5 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.15.238 port 39474 connected with 192.168.15.3 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 69.1 MBytes 57.9 Mbits/sec
Athstats Results before, during, and after transfer with interval 1.
input output altrate short long xretry crcerr crypt phyerr rssi rate
67401 174480 225 6396 3064 0 3751 0 0 36MCS14
19 0 0 0 0 0 0 0 0 34 MCS14
20 0 0 0 0 0 0 0 0 34 MCS14
19 0 0 0 0 0 1 0 0 33 MCS14
18 0 0 0 0 0 0 0 0 35 MCS14
19 0 0 0 0 0 0 0 0 35 MCS14
19 0 0 0 0 0 0 0 0 34 MCS14
16 0 0 0 0 0 0 0 0 34 MCS14
18 0 0 0 0 0 1 0 0 34 MCS14
19 0 0 0 0 0 0 0 0 36 MCS14
563 2185 0 82 21 0 29 0 0 8 MCS9
794 2931 0 120 30 0 27 0 0 15 MCS9
1100 4100 0 139 33 0 99 0 0 -100 MCS11
1580 5989 1 150 44 0 209 0 0 18 MCS12
1367 5370 1 150 28 0 75 0 0 79 MCS13
1593 6222 7 134 135 0 35 0 0 52 MCS11
1393 5477 2 133 50 0 89 0 0 -62 MCS12
1432 5636 2 133 49 0 15 0 0 89 MCS11
1269 4840 13 142 151 0 50 0 0 21 MCS13
1552 6055 4 125 73 0 158 0 0 86 MCS12
427 1259 1 35 8 0 18 0 0 42 MCS14
input output altrate short long xretry crcerr crypt phyerr rssi rate
80652 224544 256 7739 3686 0 4557 0 0 39 MCS14
16 0 0 0 0 0 0 0 0 37 MCS14
18 0 0 0 0 0 0 0 0 35 MCS14
19 0 0 0 0 0 0 0 0 34 MCS14
13 0 0 0 0 0 0 0 0 38 MCS14
11 0 0 0 0 0 0 0 0 41 MCS14
15 0 0 0 0 0 0 0 0 34 MCS14
******************************************************************
Download Test Results:
iperf -s
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 64.0 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.15.238 port 5001 connected with 192.168.15.3 port 49841
[ ID] Interval Transfer Bandwidth
[ 4] 0.0-10.0 sec 54.6 MBytes 45.8 Mbits/sec
Athstats during Transfer:
input output altrate short long xretry crcerr crypt phyerr rssi rate
162138 246787 454 11290 5842 13 7390 0 1 50 MCS10
15 2 0 1 1 0 1 0 0 55 MCS10
14 0 0 0 0 0 0 0 0 54 MCS10
1963 1168 0 69 15 0 606 0 0 53 MCS10
5222 3225 2 170 51 0 1411 0 0 54 MCS12
5393 3337 3 199 69 0 1579 0 0 54 MCS14
2521 1516 1 70 26 0 553 2 0 54 MCS14
2736 1673 5 128 88 0 616 2 0 52 MCS15
1613 1050 2 88 21 0 296 0 0 53 MCS13
5309 3290 0 178 31 0 1105 0 0 53 MCS13
5602 3503 0 179 54 0 1133 0 0 54 MCS15
4101 2556 14 191 163 0 834 0 0 53 MCS14
5091 3199 3 207 120 1 1062 0 0 52 MCS15
2444 1522 15 82 119 0 530 0 0 53 MCS14
19 0 0 0 0 0 0 0 0 48 MCS14
18 0 0 0 0 0 0 0 0 50 MCS14
Let me know if you need anything else.
Derrick
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