fix(profiling): Fix I/O profiling gotchas - #4156

Closed

realFlowControl wants to merge 9 commits into

florian/io-profiling-fixes

Commits on Sep 4, 2026

fix(profiling): correct poll event evaluation and nfds bounds check
realFlowControl
committed
dd7c8f8
fix(profiling): record bytes instead of item count in fread and fwrite
realFlowControl
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461d32f
fix(profiling): restore GNU_RELRO page protection after patching GOT entries
realFlowControl
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4dce09d
perf(profiling): optimize ELF relocation scan, bound dynamic loop, and cache base address
realFlowControl
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fa8178f
fix(profiling): mask local/abs symbol flags and bounds check Mach-O tables
realFlowControl
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333aa0a
refactor(profiling): call libc directly and eliminate static mut ORIG function pointers
realFlowControl
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012c2ad
perf(profiling): fast-path bypass on non-PHP threads for all IO hooks
realFlowControl
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3be9dc9
refactor(profiling): make ErrnoBackup::new safe and document safety invariants
realFlowControl
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5078e6d
fix(profiling): skip ld-musl dynamic linker when hooking ELF GOT
realFlowControl
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8d724d8