Pre9 final decoded extent cache target-file syscall evidence
Date: 2026-08-13

4 KiB:
pread(3, ..., 4096, 0x0) = 4096 (0x1000)
output/source SHA-256: 1c3c59331a4849514667bbc51c078327577b98f75a62996bbc2fe310b014dd79

16 KiB:
pread(3, ..., 16384, 0x0) = 16384 (0x4000)
output/source SHA-256: 2433ce7c2ea151f487a319447ce4fe14e1a2c2af9f0e5113fe47fc74b6138eee

64 KiB:
pread(3, ..., 65536, 0x0) = 65536 (0x10000)
output/source SHA-256: 2bb87afd3b9fab420cbe55b782d69a7342150e8816a35efacf22d2ab3012815d

1 MiB:
pread(3, ..., 1048576, 0x0) = 1048576 (0x100000)
output/source SHA-256: 52e806509e5dfeb523904f167fca765d001ea749351ecf51738e61a5352a1ba3

Each trace contained exactly one pread() against the mounted target file.
Dynamic-loader pread() calls were excluded from this summary.