iotune: Print parameters affecting the measurement results
iotune: Print parameters affecting the measurement results

When measuring the disk performance characteristics iotune collects
some parameters about the underlying disk. Sometimes the measured
results look suspicious, and it's very useful to know those parameters
to understand what's going on.

refs: scylladb/scylla#7146

Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@scylladb.com>
Message-Id: <20201222110723.24232-1-c9a32589e048e044184536f7ac71ef92fe82df3e@scylladb.com>

syuu1228/seastar,avikivity/seastar,cloudius-systems/seastar,syuu1228/seastar,syuu1228/seastar,scylladb/seastar,scylladb/seastar,cloudius-systems/seastar,avikivity/seastar,cloudius-systems/seastar,scylladb/seastar,avikivity/seastar