8.3. System Profiling in Linux

Try these first

1. 1.

   What is the primary purpose of system profiling?

   Hint

   Think about how profiling helps performance.

2. 2.

   Name one tool used for profiling user-space applications.

   Hint

   Consider popular tools for measuring performance.

3. 3.

   What does gprof help you analyze?

   • Memory usage
   • CPU cycles
   • Function execution time
   • Network traffic

   Hint

   Consider what profiling focuses on in programming.

4. 4.

   True or False: Valgrind can only profile user-space applications.

   • True
   • False

   Hint

   Think about the versatility and capabilities of Valgrind.

5. 5.

   You have a C program that runs too slowly. Describe how you would use gprof to identify performance bottlenecks.

   Hint

   Recall the steps for using gprof from class.

6. 6.

   Your kernel module has performance issues. Explain how to use ftrace to analyze its performance.

   Hint

   Think about how to activate tracing for monitoring function calls.