We were ignored --smp option taken from io.conf since iotune didn't supported it, but now it supported we can pass it. (We need to pass it because we need to measure io performance on same condition with scylla) Fixes #1768 Signed-off-by: Takuya ASADA <syuu@scylladb.com> Message-Id: <1478082591-27205-1-git-send-email-syuu@scylladb.com>