Date: Sun, 25 Mar 2012 23:51:41 +0400 From: Lytochkin Boris <lytboris@gmail.com> To: Adrian Chadd <adrian.chadd@gmail.com> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: [ath][CURRENT] Triangle-shaped network performance Message-ID: <CAEJYa-SgTmyX_DodPhcd9B2CYjFB5T0j10KpHX7MHD_g24jUAA@mail.gmail.com> In-Reply-To: <CAJ-Vmom-cBgnuAdXCcH5iVkf32kU6O8T_T%2B==uGpNdBsGu3wOA@mail.gmail.com> References: <CAEJYa-QRx3XU6GjcWnJSTEON2QOUe_gA9Oh0Xo9Vk2ksm0pX%2Bg@mail.gmail.com> <4f6f67a7.4a0c440a.3941.ffffc865@mx.google.com> <CAEJYa-RPhRng5tDG88yM8Rx1QE-ttkcoanEH=vn-NN-kc9B6oQ@mail.gmail.com> <CAJ-Vmo=JuGc0XA_2-q8FB9SGK4kJcQwC3ry0wm7sRxKe8dHaTQ@mail.gmail.com> <CAEJYa-TKdEjynQnM8LTXM863vWWw518VXX_DGVEpw6OvMPzgig@mail.gmail.com> <CAJ-Vmom-cBgnuAdXCcH5iVkf32kU6O8T_T%2B==uGpNdBsGu3wOA@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Mar 25, 2012 at 11:36 PM, Adrian Chadd <adrian.chadd@gmail.com> wro= te: > Well, you changed both the OS _and_ the NIC. How are we supposed to > debug this? :-) Let's forget about past :) I would have to change my OS back unless this madness is fixed :( > >> =A0Some more facts: ping triangles for two laptops connected to server >> =A0are not synchronized and roll-over independently. > > I still don't know what's causing this. Try running athstats a little > more and try to correlate changes in latency with changes in the > output of athstats. Here it is. Transfer initiation (you can see when it boosts): >athstats 1 input output altrate short long xretry crcerr crypt phyerr rssi = rate 608153 1085770 74 0 30727 2591 2749 0 0 62 = MCS11 4 3 0 0 0 0 0 0 0 62 = MCS11 7 4 0 0 0 0 0 0 0 62 MCS11 <--- transfer initiated 4 5 0 0 0 0 0 0 0 61 = MCS11 4 4 0 0 0 0 0 0 0 62 = MCS11 7 8 0 0 0 0 0 0 0 59 = MCS15 9 8 0 0 14 3 0 0 0 54 = 48M 6 6 0 0 4 1 0 0 0 57 = 36M 21 17 0 0 78 15 0 0 0 54 = MCS11 8 6 0 0 0 0 0 0 0 55 = 36M 10 6 0 0 0 0 0 0 0 50 = 36M 12 8 0 0 0 0 0 0 0 59 = 36M 10 13 0 0 0 0 0 0 0 58 = 36M 7 8 0 0 1 0 0 0 0 60 = 36M 6 6 0 0 0 0 0 0 0 61 = 36M 5 5 0 0 0 0 0 0 0 61 = 36M 6 8 0 0 1 0 0 0 0 61 = 36M 8 7 0 0 1 0 0 0 0 59 = 54M 12 28 0 0 0 0 0 0 0 61 = 36M 26 31 0 0 5 0 0 0 0 57 = 36M 6 10 0 0 0 0 0 0 0 59 = 36M input output altrate short long xretry crcerr crypt phyerr rssi = rate 608336 1085966 74 0 30831 2610 2749 0 0 60 = 36M 6 6 0 0 0 0 0 0 0 65 = 36M 22 53 0 0 0 0 0 0 0 61 = 36M 28 48 0 0 0 0 0 0 0 61 = 36M 28 48 0 0 1 0 0 0 0 59 = 12M 28 49 0 0 8 0 0 0 0 59 = MCS12 30 49 0 0 2 0 0 0 0 62 = MCS12 29 49 0 0 5 0 0 0 0 59 = MCS12 24 39 0 0 1 0 0 0 0 60 = MCS12 33 45 0 0 1 0 0 0 0 58 = MCS12 31 52 0 0 3 0 0 0 0 59 = MCS11 32 52 0 0 2 0 0 0 0 66 = MCS11 28 51 0 0 1 0 0 0 0 59 = MCS11 29 50 0 0 3 0 0 0 0 60 = MCS12 28 53 0 0 3 0 0 0 0 57 = MCS11 28 50 0 0 1 0 0 0 0 60 = MCS12 37 56 0 0 3 0 0 0 0 58 = MCS11 36 50 0 0 0 0 0 0 0 63 = MCS11 31 55 0 0 2 0 0 0 0 65 = MCS11 31 54 0 0 3 0 0 0 0 62 = MCS12 35 51 0 0 3 0 0 0 0 60 = MCS12 input output altrate short long xretry crcerr crypt phyerr rssi = rate 608941 1086977 74 0 30875 2610 2749 0 0 59 = MCS11 29 52 0 0 1 0 0 0 0 62 = MCS12 28 50 0 0 3 0 0 0 0 61 = MCS12 28 50 0 0 0 0 0 0 0 62 = MCS11 32 58 0 0 7 0 0 0 0 57 = MCS12 40 55 0 0 2 0 0 0 0 62 = MCS12 30 56 0 0 2 0 0 0 0 63 = MCS12 35 60 0 0 1 0 0 0 0 64 = MCS12 32 57 0 0 1 0 0 0 0 63 = MCS12 29 52 0 0 1 0 0 0 0 61 = MCS12 17 31 0 0 0 0 0 0 0 62 = 36M 33 53 0 0 3 0 0 0 0 63 = 18M 30 50 0 0 2 0 0 0 0 64 = 36M 31 50 0 0 2 0 0 0 0 63 = 36M 28 50 0 0 4 0 0 0 0 62 = 36M 29 52 0 0 3 0 0 0 0 62 = 36M 29 52 0 0 3 0 0 0 0 62 = 36M 37 55 0 0 2 0 0 0 0 56 = MCS11 30 54 0 0 3 0 0 0 0 60 = 36M 31 53 0 0 4 0 0 0 0 60 = 36M 36 55 0 0 1 0 0 0 0 63 = 36M input output altrate short long xretry crcerr crypt phyerr rssi = rate 609586 1088075 74 0 30923 2610 2749 0 0 54 = 36M 30 53 0 0 2 0 0 0 0 56 = 24M 34 56 0 0 3 0 0 0 0 51 = 36M 33 54 0 0 25 5 0 0 0 64 = 36M 32 53 0 0 2 0 0 0 0 54 = 36M 35 52 0 0 4 0 0 0 0 59 = MCS15 30 50 0 0 2 0 0 0 0 60 = MCS15 30 54 0 0 5 0 0 0 0 53 = MCS15 34 55 0 0 3 0 0 0 0 63 = MCS15 518 981 0 0 11 0 0 0 0 44 = MCS15 1398 2659 1 0 29 0 0 0 0 20 = MCS15 3051 5716 1 0 64 0 2 0 0 24 = MCS15 661 1210 1 0 43 3 0 0 0 27 = MCS15 563 1024 0 0 128 11 0 0 0 32 = MCS15 25 39 0 0 0 0 0 0 0 38 = MCS12 5 10 0 0 1 0 0 0 0 47 = 36M 7 10 0 0 0 0 0 0 0 49 = MCS12 8 6 0 0 0 0 0 0 0 56 = MCS11 63 26 0 0 1 0 0 0 0 44 = MCS11 1586 3000 0 0 37 0 0 0 0 20 = MCS12 2210 4150 0 0 61 0 0 0 0 15 = MCS12 input output altrate short long xretry crcerr crypt phyerr rssi = rate 622148 1111497 78 0 31400 2629 2751 0 0 22 = MCS12 2203 4145 0 0 63 2 0 0 0 23 = MCS12 2144 4022 0 0 64 2 0 0 0 23 = MCS12 2222 4169 0 0 45 0 0 0 0 18 = MCS12 2270 4245 0 0 45 0 0 0 0 27 = MCS12 2227 4150 0 0 62 0 0 0 0 25 = MCS12 2200 4120 0 0 56 0 0 0 0 27 = MCS12 2189 4122 0 0 59 0 0 0 0 21 = MCS12 2195 4136 0 0 57 0 0 0 0 24 = MCS12 2205 4146 0 0 55 0 0 0 0 23 = MCS12 2225 4187 0 0 63 0 2 0 0 31 = MCS12 2192 4114 0 0 48 0 0 0 0 26 = MCS12 2206 4150 0 0 47 0 1 0 0 30 = MCS12 Transfer abortion: 1551 2931 1 0 58 1 4 0 0 28 = MCS12 1657 3111 0 0 29 0 0 0 0 29 = MCS12 1361 2576 0 0 19 0 0 0 0 30 = MCS12 1564 2962 0 0 24 0 0 0 0 31 = MCS12 input output altrate short long xretry crcerr crypt phyerr rssi = rate 840750 1522646 89 0 36373 2664 2834 0 0 21 = MCS12 1623 3030 0 0 38 0 0 0 0 30 = MCS12 1497 2827 0 0 37 0 5 0 0 42 = MCS12 1450 2749 0 0 31 0 0 0 0 36 = MCS12 1381 2576 1 0 41 1 0 0 0 28 MCS12 <-- stop transfer, pings still are ok 119 201 0 0 11 1 0 0 0 47 = 1M 10 9 0 0 0 0 0 0 0 53 = 54M 5 4 0 0 0 0 0 0 0 56 = 54M 21 18 0 0 1 0 0 0 0 59 = MCS15 5 3 0 0 0 0 0 0 0 58 = 54M 6 4 0 0 0 0 0 0 0 59 = 54M 13 13 0 0 0 0 0 0 0 54 = 54M 8 8 0 0 8 2 0 0 0 56 = 54M 3 3 0 0 0 0 0 0 0 57 = 54M 5 5 0 0 0 0 0 0 0 58 = 54M 8 7 0 0 1 0 0 0 0 59 = 54M 8 6 0 0 0 0 0 0 0 60 = 54M 3 3 0 0 0 0 0 0 0 60 = 54M 6 6 0 0 1 0 0 0 0 60 = MCS15 3 3 0 0 0 0 0 0 0 61 = 54M 7 7 0 0 0 0 0 0 0 62 = 54M input output altrate short long xretry crcerr crypt phyerr rssi = rate 846937 1534134 90 0 36542 2668 2839 0 0 62 = MCS15 5 5 0 0 0 0 0 0 0 62 = MCS15 6 5 0 0 0 0 0 0 0 62 = MCS15 6 6 0 0 0 0 0 0 0 62 MCS12 <-- ping triangles start 7 6 0 0 0 0 0 0 0 62 = MCS15 6 9 0 0 1 0 0 0 0 66 = MCS12 11 8 0 0 0 0 0 0 0 62 = 48M --=20 Boris Lytochkin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAEJYa-SgTmyX_DodPhcd9B2CYjFB5T0j10KpHX7MHD_g24jUAA>