Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 25 Apr 2011 21:53:22 +0800
From:      Adrian Chadd <adrian.chadd@gmail.com>
To:        freebsd-wireless@freebsd.org
Subject:   Re: ath: tx-rate stops adapting after a while
Message-ID:  <BANLkTiksp0dH9P2umQzN9V59TAm8iaB3Ow@mail.gmail.com>
In-Reply-To: <20110424175728.GA12886@pintail.smokva.net>
References:  <20110421222524.GA5730@pintail.smokva.net> <BANLkTimNZOjka0V3YgtkVYFONDwZWtJGuA@mail.gmail.com> <20110422090705.GA1183@pintail.smokva.net> <BANLkTinqWxtt57LboPmiCGXjtfc8=nwzHA@mail.gmail.com> <20110422153827.GA26063@pintail.smokva.net> <BANLkTikrphNg35odW2anDPjJj5r0pKzn_g@mail.gmail.com> <20110424175728.GA12886@pintail.smokva.net>

next in thread | previous in thread | raw e-mail | index | archive | help
hm. I have seen this at home but only in artificial setups. I am glad
you're seeing this.

The problem is that it isn't immediately obvious if it is a tx
problem, an rx problem or a bit of both.

Would you mind trying -head first? Just so you are running the same
code as i am?

On 25/04/2011, Petar Bogdanovic <petar@smokva.net> wrote:
> On Sat, Apr 23, 2011 at 01:14:43AM +0800, Adrian Chadd wrote:
>>
>> Do that when it's happy @ 54mbit, then when it isn't. Let's compare.
>
> Ok, here we go:
>
> (1) sample_stats after a few hours happiness only
>
>     [HWADDR-FREEBSD-AP] refcnt 5 static_rix 0 ratemask 0x0
>     [ 250] cur rix 0 since switch: packets 0 ticks 0
>     [ 250] last sample 0 cur sample 0 packets sent 0
>     [ 250] packets since sample 0 sample tt 0
>     [1600] cur rix 0 since switch: packets 0 ticks 0
>     [1600] last sample 0 cur sample 0 packets sent 0
>     [1600] packets since sample 0 sample tt 0
>
>     [HWADDR-NETBSD-STA] refcnt 3 static_rix -1 ratemask 0xfcf
>     [ 250] cur rix 10 since switch: packets 1 ticks 96635490
>     [ 250] last sample 11 cur sample -1 packets sent 2819633
>     [ 250] packets since sample 8 sample tt 444
>     [1600] cur rix 11 since switch: packets 2 ticks 96515658
>     [1600] last sample 10 cur sample -1 packets sent 5805129
>     [1600] packets since sample 2 sample tt 672
>     [ 1: 250]       24:24       (100%) T       24 F    0 avg  3216 last
> 169832
>     [ 1:1600]        5:5        (100%) T        6 F    0 avg 16940 last
> 9861244
>     [11:1600]        1:1        (100%) T        1 F    0 avg  2085 last
> 9867211
>     [12: 250]     1972:1972     (100%) T     2111 F    0 avg   673 last
> 3197972
>     [18: 250]     7173:7172     ( 99%) T     7737 F    0 avg   639 last
> 3177528
>     [18:1600]        3:2        ( 66%) T        8 F    1 avg  1820 last
> 8846212
>     [24: 250]    42567:42563    ( 99%) T    44791 F    0 avg   516 last
> 3175409
>     [24:1600]      927:923      ( 99%) T      992 F    0 avg  1102 last
> 3216447
>     [36: 250]   339953:339935   ( 99%) T   355486 F    0 avg   505 last
> 3161841
>     [36:1600]    12573:12555    ( 99%) T    13346 F    0 avg   850 last
> 3204473
>     [48: 250]   986272:986199   ( 99%) T  1030354 F    0 avg   448 last
> 240193
>     [48:1600]   896245:896161   ( 99%) T   927385 F    0 avg   768 last
> 3178500
>     [54: 250]  1441934:1441804  ( 99%) T  1505752 F    0 avg   477 last
> 360073
>     [54:1600]  4895676:4895500  ( 99%) T  5048083 F    0 avg   644 last
> 360095
>
>     [HWADDR-OSX106-STA] refcnt 3 static_rix -1 ratemask 0xfcf
>     [ 250] cur rix 11 since switch: packets 7 ticks 96872650
>     [ 250] last sample 8 cur sample -1 packets sent 268
>     [ 250] packets since sample 7 sample tt 492
>     [1600] cur rix 10 since switch: packets 128 ticks 96873953
>     [1600] last sample 11 cur sample -1 packets sent 19736
>     [1600] packets since sample 1 sample tt 644
>     [ 1: 250]        5:5        (100%) T        6 F    0 avg  3980 last
> 170183
>     [ 1:1600]        1:0        (  0%) T        3 F    1 avg 28642 last
> 62489
>     [12: 250]        8:8        (100%) T       11 F    0 avg  1195 last
> 214446
>     [12:1600]        2:2        (100%) T        2 F    0 avg  1480 last
> 57381
>     [18: 250]       12:12       (100%) T       14 F    0 avg   655 last
> 155966
>     [18:1600]      146:146      (100%) T      164 F    0 avg  1323 last
> 52414
>     [24: 250]       16:16       (100%) T       19 F    0 avg   631 last
> 18212
>     [24:1600]      905:904      ( 99%) T     1030 F    0 avg  1260 last 6699
>     [36: 250]        6:6        (100%) T        9 F    0 avg   829 last
> 143665
>     [36:1600]      605:603      ( 99%) T      681 F    0 avg   941 last 2139
>     [48: 250]       28:27       ( 96%) T       33 F    0 avg   635 last
> 18481
>     [48:1600]     5598:5595     ( 99%) T     6180 F    0 avg   771 last 1259
>     [54: 250]      199:199      (100%) T      214 F    0 avg   519 last 3158
>     [54:1600]    12488:12485    ( 99%) T    13925 F    0 avg   814 last 1307
>
>
> (2) sample_stats after a few hours being happy, then depressed.. for the
>     sake of comparison, I included the stats for an always happy OSX box
>
>     [HWADDR-FREEBSD-AP] refcnt 4 static_rix 0 ratemask 0x0
>     [ 250] cur rix 0 since switch: packets 0 ticks 0
>     [ 250] last sample 0 cur sample 0 packets sent 0
>     [ 250] packets since sample 0 sample tt 0
>     [1600] cur rix 0 since switch: packets 0 ticks 0
>     [1600] last sample 0 cur sample 0 packets sent 0
>     [1600] packets since sample 0 sample tt 0
>
>     [HWADDR-NETBSD-STA] refcnt 65 static_rix -1 ratemask 0xfcf
>     [ 250] cur rix 9 since switch: packets 2 ticks 84635202
>     [ 250] last sample 11 cur sample -1 packets sent 7530330
>     [ 250] packets since sample 6 sample tt 444
>     [1600] cur rix 3 since switch: packets 20 ticks 84658350
>     [1600] last sample 8 cur sample -1 packets sent 168841
>     [1600] packets since sample 2 sample tt 940
>     [ 1: 250]      546:545      ( 99%) T      717 F    0 avg  4149 last
> 20012
>     [ 1:1600]        1:0        (  0%) T        3 F    1 avg 14016 last
> 898932
>     [ 5: 250]       48:48       (100%) T       49 F    0 avg  1314 last
> 5066666
>     [11: 250]      373:373      (100%) T      429 F    0 avg  1374 last
> 6129628
>     [11:1600]   168619:168619   (100%) T   175842 F    0 avg  2142 last 323
>     [12: 250]    33141:33021    ( 99%) T    36265 F    0 avg   670 last
> 225657
>     [12:1600]      152:32       ( 21%) T      663 F  115 avg  2218 last
> 6130416
>     [18: 250]    56864:56664    ( 99%) T    63313 F    0 avg   633 last
> 224868
>     [18:1600]      216:16       (  7%) T     1360 F  185 avg  1286 last
> 3206776
>     [24: 250]   190793:190116   ( 99%) T   207079 F    0 avg   512 last
> 188474
>     [24:1600]      686:9        (  1%) T     5050 F  638 avg   940 last
> 1244466
>     [36: 250]   746945:746368   ( 99%) T   789265 F    0 avg   488 last
> 23353
>     [36:1600]      585:8        (  1%) T     4082 F  577 avg   892 last
> 289086
>     [48: 250]  2384880:2383906  ( 99%) T  2503980 F    0 avg   556 last
> 135017
>     [48:1600]     1006:32       (  3%) T     6951 F  970 avg   691 last
> 279662
>     [54: 250]  4124833:4121865  ( 99%) T  4326694 F    0 avg   513 last
> 66133
>     [54:1600]     3031:63       (  2%) T    21813 F 2960 avg   767 last
> 357176
>
>     [HWADDR-OSX106-STA] refcnt 7 static_rix -1 ratemask 0xfcf
>     [ 250] cur rix 10 since switch: packets 4 ticks 84656713
>     [ 250] last sample 11 cur sample -1 packets sent 110264
>     [ 250] packets since sample 2 sample tt 444
>     [1600] cur rix 11 since switch: packets 54 ticks 84657320
>     [1600] last sample 10 cur sample 10 packets sent 505325
>     [1600] packets since sample 3 sample tt 672
>     [ 1: 250]       20:17       ( 85%) T       27 F    0 avg  3977 last
> 20537
>     [ 1:1600]       17:12       ( 70%) T       36 F    0 avg 25887 last
> 115951
>     [ 5: 250]        2:2        (100%) T        2 F    0 avg  1295 last
> 5277352
>     [ 5:1600]        1:1        (100%) T        1 F    0 avg  3259 last
> 3356857
>     [11:1600]        4:4        (100%) T        7 F    0 avg  5426 last
> 115902
>     [12: 250]      581:581      (100%) T      585 F    0 avg   597 last
> 39452
>     [12:1600]        3:3        (100%) T        8 F    0 avg 13568 last
> 1076285
>     [18: 250]     1263:1262     ( 99%) T     1290 F    0 avg   600 last
> 159936
>     [18:1600]      817:816      ( 99%) T      847 F    0 avg  2927 last
> 356098
>     [24: 250]     3462:3461     ( 99%) T     3526 F    0 avg   509 last
> 35807
>     [24:1600]     8321:8317     ( 99%) T     8588 F    0 avg  1000 last
> 105002
>     [36: 250]    11383:11380    ( 99%) T    11578 F    0 avg   492 last 8258
>     [36:1600]     2220:2215     ( 99%) T     2402 F    0 avg   909 last
> 10730
>     [48: 250]    32340:32335    ( 99%) T    32821 F    0 avg   448 last 1812
>     [48:1600]    74473:74455    ( 99%) T    76257 F    0 avg   685 last 2116
>     [54: 250]    61249:61243    ( 99%) T    62101 F    0 avg   463 last 2078
>     [54:1600]   419600:419540   ( 99%) T   426599 F    0 avg   689 last 1233
> _______________________________________________
> freebsd-wireless@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-wireless
> To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.org"
>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?BANLkTiksp0dH9P2umQzN9V59TAm8iaB3Ow>