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Dtruss: https://opensourcehacker.com/2011/12/02/osx-strace-equivalent-dtruss-seeing-inside-applications-what-they-do-and-why-they-hang/ https://opensourcehacker

Dtruss: https://opensourcehacker.com/2011/12/02/osx-strace-equivalent-dtruss-seeing-inside-applications-what-they-do-and-why-they-hang/ https://opensourcehacker.com/2011/12/02/osx-strace-equivalen... Also, on OSX you have access to (mostly) the full power of dtrace, so you can do diagnostics on closed-source, debug-stripped running programs that make strace look small by comparison.

slrz 9y ago
Just tried it on iTunes and it doesn't seem to work at all. I already allowed myself to debug my own system by disabling "System Integrity" in recovery mode.
- tim-- 9y ago
  A quick Google for `PT_DENY_ATTACH` and dtrace should solve that