From owner-freebsd-wireless@FreeBSD.ORG Fri Sep 9 15:33:33 2011 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0E679106566B; Fri, 9 Sep 2011 15:33:33 +0000 (UTC) (envelope-from lev@serebryakov.spb.ru) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 8AAD08FC12; Fri, 9 Sep 2011 15:33:32 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:14f9:cfdf:caf2:2c18]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPA id F08594AC58; Fri, 9 Sep 2011 19:33:30 +0400 (MSD) Date: Fri, 9 Sep 2011 19:33:26 +0400 From: Lev Serebryakov X-Priority: 3 (Normal) Message-ID: <192542574.20110909193326@serebryakov.spb.ru> To: Adrian Chadd In-Reply-To: References: <663133681.20110907193747@serebryakov.spb.ru> <437702009.20110907235248@serebryakov.spb.ru> <426917282.20110908125907@serebryakov.spb.ru> <4610390305.20110908154130@serebryakov.spb.ru> <1705262661.20110908180850@serebryakov.spb.ru> <458771414.20110908183656@serebryakov.spb.ru> <4910491962.20110908185213@serebryakov.spb.ru> <1273865639.20110908191303@serebryakov.spb.ru> <1607911768.20110909113824@serebryakov.spb.ru> <185315 4884.20110909145338@serebryakov.spb.ru> <140679489.20110909154614@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: quoted-printable Cc: freebsd-wireless@freebsd.org Subject: Re: AP performance (again): txpower regulation X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Sep 2011 15:33:33 -0000 Hello, Adrian. You wrote 9 =F1=E5=ED=F2=FF=E1=F0=FF 2011 =E3., 16:08:41: > * short retries are "I sent an RTS but didn't hear a CTS." > * long retries are "I sent the frame but didn't hear an ACK." Thanks for explanation. > Since the default athstats doesn't spit out the ofdm and cck errors, try = this: > athstats -o > input,output,altrate,short,long,xretry,crcerr,crypt,phyerr,rssi,ofdm,cck,= rate > 1 UDP Client -> Server, 20Mbit limited, from server's point of view: [ 3] 63.0-64.0 sec 1.30 MBytes 10.9 Mbits/sec 1.231 ms 0/ 927 (0%) [ 3] 64.0-65.0 sec 917 KBytes 7.51 Mbits/sec 9.829 ms 4/ 643 (0.6= 2%) [ 3] 65.0-66.0 sec 929 KBytes 7.61 Mbits/sec 4.200 ms 4/ 651 (0.6= 1%) [ 3] 66.0-67.0 sec 1.21 MBytes 10.1 Mbits/sec 1.662 ms 4/ 864 (0.4= 6%) [ 3] 67.0-68.0 sec 923 KBytes 7.56 Mbits/sec 1.172 ms 4/ 647 (0.6= 2%) [ 3] 68.0-69.0 sec 1.15 MBytes 9.68 Mbits/sec 1.116 ms 5/ 828 (0.6= %) [ 3] 69.0-70.0 sec 1.15 MBytes 9.65 Mbits/sec 0.889 ms 3/ 824 (0.3= 6%) [ 3] 70.0-71.0 sec 1.14 MBytes 9.58 Mbits/sec 1.073 ms 5/ 820 (0.6= 1%) athstat's point of view: input output altrate short long xretry crcerr crypt phyerr rssi = OFDM CCK rate 2734208 3163110 99418 0 2004400 60564 98493 0 2398 37 = 264025506 2028885 24M 563 7 0 0 1 0 246 0 0 37 = 13622 167 24M 910 10 0 0 13 3 186 0 1 36 = 8170 131 24M 699 9 0 0 8 2 221 0 2 36 = 11723 130 24M 795 9 0 0 6 1 221 0 2 37 = 10411 222 24M 846 9 0 0 8 1 175 0 0 36 = 8884 121 24M 872 11 0 0 12 1 199 0 1 36 = 9784 148 24M 947 8 0 0 0 0 153 0 2 36 = 7855 120 24M 883 8 0 0 6 1 129 0 0 37 = 8994 113 24M 836 9 0 0 8 2 195 0 0 36 = 9243 93 24M 912 5 0 0 6 1 213 0 2 36 = 10616 106 24M 1048 10 0 0 3 0 169 0 2 37 = 9601 93 24M 1047 10 0 0 6 1 148 0 0 37 = 10565 93 24M 685 12 0 0 20 5 233 0 0 36 = 12632 102 24M 719 9 0 0 4 1 255 0 0 36 = 12199 111 24M 854 8 0 0 1 0 183 0 0 36 = 10493 96 24M 907 6 0 0 3 0 198 0 0 36 = 9169 86 24M 848 8 0 0 4 0 190 0 0 36 = 11049 93 24M 444 8 0 0 4 1 189 0 0 37 = 14784 100 24M 604 9 0 0 0 0 156 0 0 35 = 12800 102 24M 1010 9 0 0 6 1 236 0 0 36 = 10268 86 24M --=20 // Black Lion AKA Lev Serebryakov