dtrace

It looks like in OS X 10.11 El Capitan, dtruss and dtrace can no longer do what they're meant to do. This is the error I get when I try to run sudo dtruss curl ... : dtrace: failed to execute curl: dtrace cannot control executables signed with restricted entitlements I've come across people noticing this problem but so far no solutions. Is there a way to fix this or work around this? Once you csrutil enable --without dtrace , there is an alternative to copying the binary: run the binary in one Terminal window and trace the Terminal process itself in another Terminal window. In the first

From what I can see, a DTrace implementation on Linux is held up by licensing and politics. What are the alternatives currently? Systemtap is designed to solve the same sort of problems as dtrace, and has a similar user interface – the user writes small scripts which attach actions to named probes. It is said to be unstable, it's not usually compiled into your kernel by default, but once I got it working I didn't have any problems. You can see how it compares to dtrace in this table on the systemtap website (May be partisan :-) Dtrace has been partly ported to Linux by Paul Fox, an enthusiast,

This is useful for debugging (hence programming related). On linux, we can use the command strace -feopen python myfile.py to figure out which python modules and shared objects are loaded. Is there an equivalent one-liner on macOS X? I suppose you meant strace -fetrace=open ? dtruss -f -t open python myfile.py 来源： https://stackoverflow.com/questions/1925978/equivalent-of-strace-feopen-command-on-mac-os-x