Dear Alan, Do you have idea about parser of usbmon output? Since I just can see the timestamp about submit and complete. How to check the size the you montioned? Thanks a lot ! Best Regards, Soho 2011/6/1 Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>: > On Wed, 1 Jun 2011, Soho Soho123 wrote: > >> Dear Alan, >> >> Our platform : >> CPU 390MHz, RAM:32MB, >> When I reduce fps from 30 to 10, the issue is still occur. Do you mean >> "resolution" is key, right? > > I really meant total bandwidth. That depends partly on resolution and > partly on the frame rate. > >> Or could you kindly teach me to calculate the among of data traffic >> between USB and WiFi? >> Since I am new in IP Cam. The UVC and MJPG streamer is new for me. My >> experience (background) is in networking. Not a lot of knowledge about >> USB device (UVC) and EHCI Host. > > I don't know how uvcvideo works, and I don't know how much data it > wants to transfer. However I did notice in the usbmon logs you sent > earlier, although the host asks the device for 3072 bytes in each > transfer, the device sends only 18 bytes. > > Alan Stern > > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
