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Date:      Fri, 20 Mar 2015 14:42:28 +0000
From:      Miguel Clara <miguelmclara@gmail.com>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>
Subject:   Re: ath0 performence issues "ar9300_Stub_GetCTSTimeout" "ar9300_Stub_GetCTSTimeout
Message-ID:  <CADGo8CXeHiWypp3O6LT9x3aBwxHcUFGpfx0GpDJeE-OcG0YjgQ@mail.gmail.com>
In-Reply-To: <CADGo8CWDhwDfiJr=gDDvvpe7pX6ZJgUJhVxtDx6PEavSLzX7Ew@mail.gmail.com>
References:  <CADGo8CWitJUhU0%2BjDX59gv%2Bc-4uhpgf58=r_K%2Bfq=4acDTni8A@mail.gmail.com> <CAJ-VmonRS-ifM2YYUFn73g7xWSmpeqWYcK86h=RuYHtiRuyE%2Bg@mail.gmail.com> <CADGo8CVX50Zfypwzc-_tjcZ-ej41rmvU00N3g7Fjh9XFQyCVDA@mail.gmail.com> <CADGo8CXKQszJWgM46q8wRkMZjKSXgn9=iLqx3mUEc7htuNU1RQ@mail.gmail.com> <CAJ-VmokfdeCU528L135HKupJ0iJartBDbwjMoww_16Km8jeFrQ@mail.gmail.com> <CADGo8CUoJb_YxHHZP_z=2yEYU0=Sg_ULL4GiTPRZ1B2SLnheYA@mail.gmail.com> <CAJ-VmonXcVTa-h2T2uEoMtNbw4GnB3vZZTf9UrEC6XrPLGeiTg@mail.gmail.com> <CADGo8CXB6rK%2BCPZ9i=V48z3cTLw3Wah2w88bKVpxf4vOJPR=9Q@mail.gmail.com> <CADGo8CXZY3bzBq=MAMMDu1sJMyqScbvWj9NhYLzGnS%2Bw-VKL5Q@mail.gmail.com> <CAJ-VmokfXR8pL9P3c8C_yACLxddHW=7hFqM9YDYd6N2=pX8Wng@mail.gmail.com> <CADGo8CWbS3iSE=ssndfb_gSCxdRrx9-Ve9_nSbG6MdWmhj4a3Q@mail.gmail.com> <CADGo8CV%2BEiPXUF==c=1kMHQBxsCDmrAuj_wEiymeLu%2BaUukBrQ@mail.gmail.com> <CAJ-Vmok1xxeNrA=dX6SGgPNq5zOE_5a3_5QZgMt__u1nBV3qkw@mail.gmail.com> <CADGo8CURXQqh21SPdp%2B0BdE=7oksUMwM87PU3qKHszPd%2BMkfpA@mail.gmail.com> <CADGo8CX2hfKzA4ab7SUEFxoLzR=B5_533OzHHnAMUzHvA%2B_WuA@mail.gmail.com> <CADGo8CUO0fh=fBmZx%2BDt9wv54HOA92Yx5gKz2eUjGoG70ZMSdQ@mail.gmail.com> <CADGo8CWJFd0FoowS7O4G3yWwzbfkdmeQa=YwCt6F8yyUKZ6WCw@mail.gmail.com> <CAJ-Vmok50--g0xgHMzaWFJ0uF-T6Wxqs2A0ue2MxDRpLnvXMLA@mail.gmail.com> <CAJ-Vmok79b0U3185_ofGG8dpxqkxGod86LX_-ri%2BeVSv8rtLLw@mail.gmail.com> <CADGo8CUMzY7j6h55dscW5t0jm5Jb_yBRj56UfDei0oY1GpiWww@mail.gmail.com> <CADGo8CWDhwDfiJr=gDDvvpe7pX6ZJgUJhVxtDx6PEavSLzX7Ew@mail.gmail.com>

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On Fri, Mar 20, 2015 at 2:41 PM, Miguel Clara <miguelmclara@gmail.com>
wrote:

>
> On Fri, Mar 20, 2015 at 3:25 AM, Miguel Clara <miguelmclara@gmail.com>
> wrote:
>
>>
>> On Fri, Mar 20, 2015 at 3:20 AM, Adrian Chadd <adrian@freebsd.org> wrote:
>>
>>> What's the output of ifconfig -v wlan0 ?
>>>
>>> and run athstats 1 for a while whilst doing traffic, say speedtest,
>>> and paste the results from there.
>>>
>>>
>>>
>>> ]# ifconfig -v wlan0
>>
>>
>> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
>> 1500
>>         ether e0:06:e6:aa:bf:5b
>>         inet 10.10.50.70 netmask 0xffffff00 broadcast 10.10.50.255
>>         nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>         media: IEEE 802.11 Wireless Ethernet MCS mode 11na
>>         status: associated
>>         ssid PissnLove5G channel 48 (5240 MHz 11a ht/40-) bssid
>> 60:a4:4c:28:13:c4
>>         regdomain 108 country DEBUG indoor ecm authmode WPA2/802.11i -wps
>>         -tsn privacy ON deftxkey UNDEF
>>         AES-CCM 2:128-bit
>>         AES-CCM 3:128-bit powersavemode OFF powersavesleep 100 txpower 30
>>         txpowmax 50.0 -dotd rtsthreshold 2346 fragthreshold 2346 bmiss 7
>>         11a     ucast NONE    mgmt  6 Mb/s mcast  6 Mb/s maxretry 6
>>         11b     ucast NONE    mgmt  1 Mb/s mcast  1 Mb/s maxretry 6
>>         11g     ucast NONE    mgmt  1 Mb/s mcast  1 Mb/s maxretry 6
>>         turboA  ucast NONE    mgmt  6 Mb/s mcast  6 Mb/s maxretry 6
>>         turboG  ucast NONE    mgmt  1 Mb/s mcast  1 Mb/s maxretry 6
>>         sturbo  ucast NONE    mgmt  6 Mb/s mcast  6 Mb/s maxretry 6
>>         11na    ucast NONE    mgmt 12 MCS  mcast 12 MCS  maxretry 6
>>         11ng    ucast NONE    mgmt  2 MCS  mcast  2 MCS  maxretry 6
>>         half    ucast NONE    mgmt  3 Mb/s mcast  3 Mb/s maxretry 6
>>         quarter ucast NONE    mgmt  1 Mb/s mcast  1 Mb/s maxretry 6
>>         scanvalid 60 -bgscan bgscanintvl 300 bgscanidle 250
>>         roam:11a     rssi    7dBm rate 12 Mb/s
>>         roam:11b     rssi    7dBm rate  1 Mb/s
>>         roam:11g     rssi    7dBm rate  5 Mb/s
>>         roam:turboA  rssi    7dBm rate 12 Mb/s
>>         roam:turboG  rssi    7dBm rate 12 Mb/s
>>         roam:sturbo  rssi    7dBm rate 12 Mb/s
>>         roam:11na    rssi    7dBm  MCS  1
>>         roam:11ng    rssi    7dBm  MCS  1
>>         roam:half    rssi    7dBm rate  6 Mb/s
>>         roam:quarter rssi    7dBm rate  3 Mb/s
>>         -pureg protmode CTS ht htcompat ampdu ampdulimit 64k ampdudensity
>> 4
>>         amsdu shortgi htprotmode RTSCTS -puren -smps -rifs wme burst -dwds
>>         roaming MANUAL bintval 100
>>         AC_BE cwmin  4 cwmax 10 aifs  3 txopLimit   0 -acm ack
>>               cwmin  4 cwmax 10 aifs  3 txopLimit   0 -acm
>>         AC_BK cwmin  4 cwmax 10 aifs  7 txopLimit   0 -acm ack
>>               cwmin  4 cwmax 10 aifs  7 txopLimit   0 -acm
>>         AC_VI cwmin  3 cwmax  4 aifs  2 txopLimit  94 -acm ack
>>               cwmin  3 cwmax  4 aifs  2 txopLimit  94 -acm
>>         AC_VO cwmin  2 cwmax  3 aifs  2 txopLimit  47 -acm ack
>>               cwmin  2 cwmax  3 aifs  2 txopLimit  47 -acm
>>         groups: wlan
>>
>> Going to recompile and I'll re-run athstats
>>
>
> Hum it seems that after the recompile/reboot things are a bit better...
>
> [miguelc@r2d2:~ ]% speedtest
> Retrieving speedtest.net configuration...
> Retrieving speedtest.net server list...
> Testing from Vodafone Portugal (89.114.40.155)...
> Selecting best server based on latency...
> Hosted by Vodafone PT (Porto) [16.63 km]: 22.599 ms
> Testing download speed........................................
> Download: 91.17 Mbits/s
> Testing upload speed..................................................
> Upload: 9.48 Mbits/s
> [miguelc@r2d2:~ ]% speedtest
> Retrieving speedtest.net configuration...
> Retrieving speedtest.net server list...
> Testing from Vodafone Portugal (89.114.40.155)...
> Selecting best server based on latency...
> Hosted by Vodafone PT (Porto) [16.63 km]: 5.164 ms
> Testing download speed........................................
> Download: 93.21 Mbits/s
> Testing upload speed..................................................
> Upload: 10.65 Mbits/s
>
> ###########################################
> [ ID] Interval           Transfer     Bandwidth
> [  4]   0.00-1.01   sec  1.42 MBytes  11.8 Mbits/sec
> [  4]   1.01-2.00   sec  5.66 KBytes  46.7 Kbits/sec
> [  4]   2.00-3.00   sec  3.94 MBytes  33.1 Mbits/sec
> [  4]   3.00-4.00   sec  4.15 MBytes  34.8 Mbits/sec
> [  4]   4.00-5.00   sec  4.52 MBytes  37.9 Mbits/sec
> [  4]   5.00-6.00   sec  4.44 MBytes  37.3 Mbits/sec
> [  4]   6.00-7.00   sec  4.44 MBytes  37.3 Mbits/sec
> [  4]   7.00-8.00   sec  4.36 MBytes  36.6 Mbits/sec
> [  4]   8.00-9.00   sec  6.67 MBytes  55.9 Mbits/sec
> [  4]   9.00-10.00  sec  5.45 MBytes  45.7 Mbits/sec
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bandwidth
> [  4]   0.00-10.00  sec  39.4 MBytes  33.1 Mbits/sec
>  sender
> [  4]   0.00-10.00  sec  38.9 MBytes  32.6 Mbits/sec
>  receiver
>
> ( First Iperf was run on purpose in the middle of the first speedtest (and
> while runing athstats 1)
> [ ID] Interval           Transfer     Bandwidth
> [  4]   0.00-1.00   sec  6.20 MBytes  52.0 Mbits/sec
> [  4]   1.00-2.00   sec  6.46 MBytes  54.2 Mbits/sec
> [  4]   2.00-3.00   sec  6.55 MBytes  55.0 Mbits/sec
> [  4]   3.00-4.00   sec  8.64 MBytes  72.5 Mbits/sec
> [  4]   4.00-5.00   sec  8.50 MBytes  71.3 Mbits/sec
> [  4]   5.00-6.00   sec  8.81 MBytes  73.9 Mbits/sec
> [  4]   6.00-7.00   sec  9.24 MBytes  77.5 Mbits/sec
> [  4]   7.00-8.00   sec  8.87 MBytes  74.4 Mbits/sec
> [  4]   8.00-9.00   sec  8.68 MBytes  72.8 Mbits/sec
> [  4]   9.00-10.00  sec  8.94 MBytes  75.0 Mbits/sec
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bandwidth
> [  4]   0.00-10.00  sec  80.9 MBytes  67.8 Mbits/sec
>  sender
> [  4]   0.00-10.00  sec  80.6 MBytes  67.6 Mbits/sec
>  receiver
> ############################################################
>
> athstats ==> http://pastebin.com/zXhG6FWc
>
> typo:

> things look better, *I've* had better results before though, but I would
> still consider this ok if it keeps this state...
>
> -a
>>>
>>>
>>> On 19 March 2015 at 20:17, Adrian Chadd <adrian@freebsd.org> wrote:
>>> > Ah, add ATH_DEBUG, AH_DEBUG and AH_DIAGAPI to your kernel and
>>> recompile!
>>> >
>>> >
>>> > -a
>>> >
>>> >
>>> > On 19 March 2015 at 19:32, Miguel Clara <miguelmclara@gmail.com>
>>> wrote:
>>> >>
>>> >> On Fri, Mar 20, 2015 at 2:11 AM, Miguel Clara <miguelmclara@gmail.com
>>> >
>>> >> wrote:
>>> >>>
>>> >>>
>>> >>> On Fri, Mar 20, 2015 at 1:55 AM, Miguel Clara <
>>> miguelmclara@gmail.com>
>>> >>> wrote:
>>> >>>>
>>> >>>>
>>> >>>> On Fri, Mar 20, 2015 at 1:18 AM, Miguel Clara <
>>> miguelmclara@gmail.com>
>>> >>>> wrote:
>>> >>>>>
>>> >>>>>
>>> >>>>> On Thu, Mar 19, 2015 at 9:49 PM, Adrian Chadd <adrian@freebsd.org>
>>> >>>>> wrote:
>>> >>>>>>
>>> >>>>>> Whilst running this, can you run 'athstats 1' on the freebsd box?
>>> >>>>>>
>>> >>>>>> i wonder what the signal level and retransmit rates are.
>>> >>>>>
>>> >>>>>
>>> >>>>> Not sure hwo to do that... do I need ath_debug?
>>> >>>>>
>>> >>>>> I did found '/usr/src/tools/tools/ath/athstats' and tried to "make"
>>> >>>>>
>>> >>>>> clang -O2 -pipe   -DATH_DEFAULT='"ath0"'
>>> >>>>> -I/usr/src/tools/tools/ath/athstats
>>> >>>>> -I/usr/src/tools/tools/ath/athstats/../common
>>> >>>>> -I/usr/src/tools/tools/ath/athstats/../../../../sys
>>> >>>>> -I/usr/src/tools/tools/ath/athstats/../../../../sys/dev/ath
>>> >>>>> -I/usr/src/tools/tools/ath/athstats/../../../../sys/dev/ath/ath_hal
>>> >>>>>
>>> -I/usr/src/tools/tools/ath/athstats/../../../../sys/contrib/dev/ath/ath_hal
>>> >>>>> -I/usr/src/tools/tools/ath/athstats -DATH_SUPPORT_ANI
>>> -DATH_SUPPORT_TDMA
>>> >>>>> -DATH_DEFAULT='"ath0"' -I/usr/src/tools/tools/ath/athstats
>>> >>>>> -I/usr/src/tools/tools/ath/athstats/../common
>>> >>>>> -I/usr/src/tools/tools/ath/athstats/../../../../sys
>>> >>>>> -I/usr/src/tools/tools/ath/athstats/../../../../sys/dev/ath
>>> >>>>> -I/usr/src/tools/tools/ath/athstats/../../../../sys/dev/ath/ath_hal
>>> >>>>>
>>> -I/usr/src/tools/tools/ath/athstats/../../../../sys/contrib/dev/ath/ath_hal
>>> >>>>> -I/usr/src/tools/tools/ath/athstats -std=gnu99 -fstack-protector
>>> >>>>> -fbracket-depth=512 -Qunused-arguments  -rpath /usr/lib/private -o
>>> athstats
>>> >>>>> main.o athstats.o -L/usr/src/lib/libbsdstat -lbsdstat
>>> >>>>> /usr/bin/ld: cannot find -lbsdstat
>>> >>>>> clang: error: linker command failed with exit code 1 (use -v to see
>>> >>>>> invocation)
>>> >>>>> *** Error code 1
>>> >>>>>
>>> >>>>> Stop.
>>> >>>>> make: stopped in /usr/src/tools/tools/ath/athstats
>>> >>>>>
>>> >>>>> I installed bsdstats but after make clean;make  I still get the
>>> same.
>>> >>>>
>>> >>>>
>>> >>>> Oh wait:
>>> >>>> -L/usr/src/lib/libbsdstat -lbsdstat
>>> >>>>
>>> >>>> /usr/bin/ld: cannot find -lbsdstat
>>> >>>>
>>> >>>> Should it look in /usr/private?
>>> >>>>
>>> >>>> Or maybe not... I saw this:
>>> >>>> ######################
>>> >>>> commit 050d4409aa855fa1f82f6ca0dbb7e0c865c05e32
>>> >>>> Author: bapt <bapt@FreeBSD.org>
>>> >>>> Date:   Tue Nov 25 22:37:27 2014 +0000
>>> >>>>
>>> >>>>     Convert to LIBADD
>>> >>>>
>>> >>>> Notes:
>>> >>>>     svn path=/head/; revision=275084
>>> >>>>
>>> >>>> diff --git a/tools/tools/ath/athstats/Makefile
>>> >>>> b/tools/tools/ath/athstats/Makefile
>>> >>>> index 8d1bfa6..a7ff43b 100644
>>> >>>> --- a/tools/tools/ath/athstats/Makefile
>>> >>>> +++ b/tools/tools/ath/athstats/Makefile
>>> >>>> @@ -23,9 +23,7 @@ CFLAGS+=-DATH_SUPPORT_TDMA
>>> >>>>
>>> >>>>  CFLAGS.clang+= -fbracket-depth=512
>>> >>>>
>>> >>>> -USEPRIVATELIB= bsdstat
>>> >>>> -
>>> >>>> -LDADD= ${LDBSDSTAT}
>>> >>>> +LIBADD=        bsdstat
>>> >>>>
>>> >>>>  opt_ah.h:
>>> >>>>         echo "#define AH_DEBUG 1" > opt_ah.h
>>> >>>> #################
>>> >>>>
>>> >>>> reverting gives me this:
>>> >>>>
>>> >>>> [...]ib/private -rpath /usr/lib/private -o athstats main.o
>>> athstats.o
>>> >>>> athstats.o: In function `athstats_new':
>>> >>>> athstats.c:(.text+0x3e): undefined reference to `bsdstat_init'
>>> >>>> clang: error: linker command failed with exit code 1 (use -v to see
>>> >>>> invocation)
>>> >>>>
>>> >>>> If I can get around this I'd love to post those stats
>>> >>>>
>>> >>>
>>> >>> Sadly I'm no C expert... I'm not even a coder but "bsdstat_init"
>>> defiantly
>>> >>> exists and the include bsdstat.h is in athstats.h...
>>> >>> makes no sense (to me) :|
>>> >>>
>>> >>
>>> >> In the mean time I checked out a version before bsdstat and I was
>>> able to
>>> >> complie, output follows
>>> >> % sudo athstats
>>> >> athstats: ioctl: ath0: Invalid argument <------------------ Is this
>>> >> expected?
>>> >> athstats: ioctl: ath0: Invalid argument
>>> >> 990785       data frames received
>>> >> 559194       data frames transmit
>>> >> 7602         tx frames with an alternate rate
>>> >> 27634        short on-chip tx retries
>>> >> 100075       long on-chip tx retries
>>> >> 374          tx failed 'cuz too many retries
>>> >> 24           mib overflow interrupts
>>> >> 3            tx linearized to cluster
>>> >> MCS3         current transmit rate
>>> >> 17           beacon miss interrupts
>>> >> 31173        rx failed 'cuz of bad CRC
>>> >> 114          rx failed 'cuz of PHY err
>>> >>     5            OFDM restart
>>> >>     109          CCK restart
>>> >> 247          periodic calibrations
>>> >> -0/+0        TDMA slot adjust (usecs, smoothed)
>>> >> 28           rssi of last ack
>>> >> 40           avg recv rssi
>>> >> -96          rx noise floor
>>> >> 614          tx frames through raw api
>>> >> 601749       A-MPDU sub-frames received
>>> >> 187766       Half-GI frames received
>>> >> 443941       40MHz frames received
>>> >> 12776        CRC errors for non-last A-MPDU subframes
>>> >> 198          CRC errors for last subframe in an A-MPDU
>>> >> 558554       Frames transmitted with HT Protection
>>> >> 169          TX Timeout
>>> >> Antenna profile:
>>> >> [0] tx   558817 rx    36629
>>> >> [1] tx        0 rx   772652
>>> >> [2] tx        0 rx    26737
>>> >> [3] tx        0 rx    30276
>>> >> [4] tx        0 rx    28833
>>> >> [5] tx        0 rx    25606
>>> >> [6] tx        0 rx    30300
>>> >> [7] tx        0 rx    39752
>>> >>
>>> >>
>>> >>
>>> >>>
>>> >>>
>>> >>>>
>>> >>>>>
>>> >>>>>> Thanks,
>>> >>>>>>
>>> >>>>>>
>>> >>>>>> -a
>>> >>>>>
>>> >>>>>
>>> >>>>
>>> >>>
>>> >>
>>>
>>
>>
>



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