Strace

strace is a diagnostic, debugging and instructional userspace utility for Linux that allows to trace system calls and signals.

Examples

• Strace ps command: strace -e open ps
• strace -p MY_PID_NUMBER

See also

• Monitoring and Performance
• perf
• Dtrace, use Dtrace to view syscalls inside a Docker container. https://blogs.oracle.com/linux/dtrace-a-docker-container
• SystemTap (2005)

http://man7.org/linux/man-pages/man1/strace.1.html