Add oom score tracking to procrank

procrank -o will sort by the oom score for each process, and show
cuumulative totals of memory stats for processes whose score is below
each lowmemorykiller oom score threshold.  This is particularly useful
with procrank -o -c to see the amount of page cache used lowmemorykiller

Change-Id: I26e290c0835472630f70ed933de43bfbfd7bdfb0
1 file changed