
./ktrace --cpu 100 | \
sed 's/ret_from_sys_call +<6\/1f>/** SYSTEM EXIT **/g' | \
sed 's/ret_from_sys_call +<d\/1f>/** SYSTEM EXIT **/g' | \
sed 's/system_call +<39\/50>/** SYSTEM ENTRY **/g' | \
sed 's/system_call +<40\/50>/** SYSTEM ENTRY **/g'

