Date: Mon, 26 Mar 2012 10:03:51 +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-QhFYqO6Y_7%2BkO-NvugYR7XvGOUZaF86iqq2OqWciS%2BUQ@mail.gmail.com> In-Reply-To: <CAJ-VmomyKJujpp56_JYnRogj4OONp_kCG18aQ17=W1aeMHg6Ug@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> <CAEJYa-SgTmyX_DodPhcd9B2CYjFB5T0j10KpHX7MHD_g24jUAA@mail.gmail.com> <CAEJYa-R87JdeYg521toKf=wZR74e_W3pGXJKDsajhy9=E2CqXw@mail.gmail.com> <CAJ-VmomyKJujpp56_JYnRogj4OONp_kCG18aQ17=W1aeMHg6Ug@mail.gmail.com>
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On Mon, Mar 26, 2012 at 1:50 AM, Adrian Chadd <adrian.chadd@gmail.com> wrote: > On 25 March 2012 13:41, Lytochkin Boris <lytboris@gmail.com> wrote: >> It seems I found a solution, but not the problem :) > > Why oh why did you set.. > >> Reverting bintval to it's default value (1000 -> 100) helped a lot: > > Why'd you do this? > > 10 beacons a second is fine. 100 beacons a second ? bintval = 1000 is 1 beacon per second. Actually I was sure that Cisco AP have this setting at 3k. >> triangle-shaped ping disappeared. I wonder why that ever happen. >> The last thing to fix is idle pings. They are not so good: ~50ms (1ms >> while in transfer). > > That almost feels like some weird interrupt handling issue. Any ideas how to proove this theory? -- Boris Lytochkin
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