LU-9083: Add scripts to collect and analyze Lustre RPC traces

A set of scripts to collect and analyze RPC traces in a Lustre file system.
These scripts turn the Lustre debug-daemon on and off, before and after
launching a job respectively. They also allow users to parse and visualize
the logged RPC traces.

Test-Parameters: trivial
Change-Id: I6ee598ff6e49b2a7406354172b10bd295e801cb0
Signed-off-by: CongXu <cong.xu@intel.com>
Reviewed-on: https://review.whamcloud.com/25395


Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Omkar Kulkarni <omkar.kulkarni@intel.com>