-qfunctrace

In IBM® XL C/C++ for AIX® 16.1.0 or earlier releases, the -qfunctrace option calls the tracing routines to trace the entry and exit points of the specified functions in a compilation unit.

In IBM Open XL C/C++ for AIX 17.1.2, the -finstrument-functions option has a similar function, which generates calls to instrument entry and exit points of functions.

Related information

#pragma nofunctrace
The "Clang command line argument reference" section in the Clang documentation