ltrace — Display dynamic library calls of a process. More information: <https://manned.org/ltrace>.

Print (trace) library calls of a program binary

ltrace {{path/to/program}}

Count library calls. Print a handy summary at the bottom

ltrace -c {{path/to/program}}

Trace calls to malloc and free, omit those done by libc

ltrace -e malloc+free-@libc.so* {{path/to/program}}

Write to file instead of terminal

ltrace {{[-o|--output]}} {{file}} {{path/to/program}}