93285 -0300 committer Mauro Carvalho Chehab 1209056987 -0300 V4L/DVB (7699): pvrusb2: Implement statistics for USB I/O performance / tracking Implement a mechanism in the pvrusb2 driver for gathering statistics on the stream buffering, including bytes transferred, buffers handled, buffers in flight, etc. This is useful for debugging certain classes of streaming issues and for determining if the buffer pool size is generally correct for the driver. Signed-off-by: Mike Isely Signed-off-by: Mauro Carvalho Chehab N