$  ./lsfd /dev/null | head -3COMMAND             PID   USER ASSOC  XMODE TYPE SOURCE MNTID INODE NAMEpipewire          12620 yamato     0 r-----  CHR  mem:3    34     4 /dev/nullwireplumber       12621 yamato     0 r-----  CHR  mem:3    34     4 /dev/null$  ./lsfd -- /dev/null | head -3COMMAND             PID   USER ASSOC  XMODE TYPE SOURCE MNTID INODE NAMEpipewire          12620 yamato     0 r-----  CHR  mem:3    34     4 /dev/nullwireplumber       12621 yamato     0 r-----  CHR  mem:3    34     4 /dev/null$  ./lsfd -- /dev/zero | head -3COMMAND     PID   USER ASSOC  XMODE TYPE SOURCE MNTID INODE NAMEdd      2434997 yamato     0 r-----  CHR  mem:5    34     6 /dev/zero

# time ./lsfd | wc -l216088real0m4.811suser0m3.638ssys0m1.196s# time ./lsfd -Q 'NAME == "/dev/zero"' | wc -l5real0m1.605suser0m0.702ssys0m0.893s# time ./lsfd -- /dev/zero | wc -l5real0m0.977suser0m0.439ssys0m0.539s