On Thu, 2 Jun 2011, Soho Soho123 wrote: > Dear Alan, > > We modify the code of USB Monitor for timestamp. The attached is the > output log and the code that we modified. we use ktime api to get > timestamp that showed in mon_text.c mon_get_timestamp() function > Is it possible the see the cause? No, the timestamps are still only accurate to within 10 ms. 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