Top Calls by Memory

cat rphost*/*.log | grep -P ',CALL,.+,Context=' | sed -r 's/\xef\xbb\xbf//g; s/^.+,Context=//g; s/,MemoryPeak=.+$//g' | gawk -F',Memory=' '{{Memory[$1]+=$2}} END {for (Context in Memory) print Memory[Context] " " Context}' | sort -rnb | head -n 1000 > top-calls-by-memory.txt