040000 tree 277214f0bbc4fed71ac58f4e7aebd4062c89c3a8	cpu
040000 tree a8f5248a75dea87515e0a7da41842a0f646df096	os
040000 tree da6b48e2673526f698c985c9ea8efab6ff92c91f	os_cpu
040000 tree 6b36b1538135f60acdb712de9adfb138d0f041e6	share