File: //proc/self/root/proc/thread-self/root/proc/self/root/proc/self/root/proc/fs/ext4/md1/mb_groups
#group: free frags first [ 2^0 2^1 2^2 2^3 2^4 2^5 2^6 2^7 2^8 2^9 2^10 2^11 2^12 2^13 ]
#0 : 8092 28 4708 [ 16 16 15 16 13 11 6 8 5 3 1 1 0 0 ]
#1 : 25017 30 599 [ 9 10 5 5 12 9 10 10 4 4 5 3 0 1 ]
#2 : 15279 48 516 [ 23 24 24 25 58 5 6 3 5 1 1 1 2 0 ]
#3 : 4258 14 578 [ 0 3 1 1 5 6 0 5 5 2 1 0 0 0 ]
#4 : 3031 9 513 [ 5 3 3 4 4 3 2 1 2 0 2 0 0 0 ]
#5 : 18016 11 578 [ 4 4 5 2 7 2 4 1 2 1 2 1 1 1 ]
#6 : 23055 34 516 [ 9 13 9 3 17 7 7 4 2 1 2 3 1 1 ]
#7 : 16981 13 578 [ 1 2 2 1 4 4 2 6 6 2 3 1 0 1 ]