Add an option to msc to print out a summary like so:

--------------------------------------------------
Summary: Test 0  100.00 MB
         min      | max      | mean     | variance
--------------------------------------------------
Write    32.30    | 33.58    | 32.95    | 0.07
Read     33.09    | 34.42    | 33.80    | 0.09

USB Tools v1.4

msc: compute throughput as a running average

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

USB Tools v1.2

USB Tolls v1.1

USB Tools v1.0

We're finally tagging a v1.0 release.