You want to monitor system call frequency using SystemTap. How can you write a script to count each syscall?
How do you determine the user responsible for high resource usage in top?
How can you collect a performance baseline for comparison using top and ps?
How do you attach Valgrind to an already running process?
How can you analyze malloc/free mismatches in an application using Valgrind?
How can you capture the duration of specific system calls using SystemTap?
