From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ming Zhang <blackmagic02881@gmail.com>
Date: Mon, 26 Mar 2007 02:40:19 +0000
Subject: how to understand the Q2Q in btt result?
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from btt user guide

"Q2Q which measures the time between queue traces in the system.
This provides some idea as to how quickly IOs are being handed to
the block IO layer."

does this mean the time between queuing N request and N
+1 request?

thanks!

Ming