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Date:      Fri, 20 Mar 2015 14:41:46 +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:  <CADGo8CWDhwDfiJr=gDDvvpe7pX6ZJgUJhVxtDx6PEavSLzX7Ew@mail.gmail.com>
In-Reply-To: <CADGo8CUMzY7j6h55dscW5t0jm5Jb_yBRj56UfDei0oY1GpiWww@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>

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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

things look better, even 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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