Johannes Buchner

Renice all emerge processes and subprocesses to a nice value:

ps -Ao pid,comm | \
grep emerge| \
sed 's/^ *//g' | \
cut -f 1 -d " "| \
while read line; do \
pstree -pl $line|\
grep -E "[0-9]{3,}" -o|\
while read pid; do renice 10 $pid; done
done

Easy to modify…