From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:47978 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752450AbZIJNsC (ORCPT ); Thu, 10 Sep 2009 09:48:02 -0400 Message-ID: <4AA9038B.8090404@iki.fi> Date: Thu, 10 Sep 2009 16:47:55 +0300 From: Antti Palosaari MIME-Version: 1.0 To: "Aleksandr V. Piskunov" CC: Markus Rechberger , Devin Heitmueller , Clinton Meyer , Linux Media Subject: Re: LinuxTV firmware blocks all wireless connections / traffic References: <62013cda0909091443g72ebdf1bge3994b545a86c854@mail.gmail.com> <829197380909091459x5367e95dnbd15f23e8377cf33@mail.gmail.com> <20090910091400.GA15105@moon> <20090910124549.GA18426@moon> <20090910124807.GB18426@moon> <4AA8FB2F.2040504@iki.fi> <20090910134139.GA20149@moon> In-Reply-To: <20090910134139.GA20149@moon> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Aleksandr V. Piskunov wrote: > On Thu, Sep 10, 2009 at 04:12:15PM +0300, Antti Palosaari wrote: >> Aleksandr V. Piskunov wrote: >>>> Here is a test case: >>>> Two DVB-T USB adapters, dvb_usb_af9015 and dvb_usb_af9015. Different tuners, >>> Err, make it: dvb_usb_af9015 and dvb_usb_ce6230 >> Those both uses currently too small bulk urbs, only 512 bytes. I have >> asked suitable bulk urb size for ~20mbit/sec usb2.0 stream, but no-one >> have answered yet (search ml back week or two). I think will increase >> those to the 8k to reduce load. >> > > Nice, I'm ready to test if such change helps. OK, I will make test version in couple of hours. > Does USB subsystem provide any way to monitor current raw USB data transfer rate? I don't if there is tool for raw data analysis, but for DVB devices you can use dvbtraffic tool. Antti -- http://palosaari.fi/