sudo compsize -x /
Processed 676372 files, 337256 regular extents (392340 refs), 384813 inline.
Type       Perc     Disk Usage   Uncompressed Referenced  
TOTAL       65%       17G          27G          32G       
none       100%       13G          13G          14G       
zstd        33%      4.8G          14G          17G       
prealloc   100%      860K         860K          27M

sudo compsize -x /home
Processed 1066691 files, 1324782 regular extents (1509117 refs), 352951 inline.
Type       Perc     Disk Usage   Uncompressed Referenced  
TOTAL       90%      341G         376G         375G       
none       100%      316G         316G         313G       
zstd        34%       18G          54G          55G       
prealloc   100%      6.5G         6.5G         6.9G