Strace 4.5.15 - Tracks and displays system calls associated with a running process.

The strace program intercepts and records the system calls called and received by a running process. Strace can print a record of each system call, its arguments and its return value. Strace is useful for diagnosing problems and debugging, as well as for instructional purposes.

Install strace if you need a tool to track the system calls made and received by a process.