040000 tree ed35a17cda274ef565aa83958eb17f2c5b0315aa	cpu
040000 tree 9bb9fd689972495f2253cfa472f24476094c9fd2	os
040000 tree 8c993ed3b0948317256df19b4d7ddd9d060bde56	os_cpu
040000 tree b420303d1c8daed502f83be675ec8205f9e8e922	share