Improved dead-pids handling during init of top-pids mode
Improved dead-pids handling during init of top-pids mode

Added 'valid' flag that indicates properly computed
cpu usage statistics for top-pids monitoring mode.

Change-Id: Ic11bfef5dc1958df418bfae7fa889087a045a1c5

01org/intel-cmt-cat,01org/intel-cmt-cat,01org/intel-cmt-cat