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. Does USB subsystem provide any way to monitor current raw USB data transfer rate? -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
