Date: Sun, 24 Apr 2011 19:57:28 +0200 From: Petar Bogdanovic <petar@smokva.net> To: freebsd-wireless@freebsd.org Subject: Re: ath: tx-rate stops adapting after a while Message-ID: <20110424175728.GA12886@pintail.smokva.net> In-Reply-To: <BANLkTikrphNg35odW2anDPjJj5r0pKzn_g@mail.gmail.com> 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>
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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
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