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8.3.1.1. gprof
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Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What does gprof do?
Hint
Think about how we analyze performance in applications.
- 2.
What command do you use to compile a program for profiling with gprof?
Hint
Remember the compilation flag for profiling!
- 3.
What is the main purpose of gprof?
- To compile code
- To profile user-space applications
- To generate core dumps
Hint
Think about tools that analyze application performance.
- 4.
True or False: gprof can be used to profile both user-space and kernel-space applications.
- True
- False
Hint
Consider the scope of gprof's functionality.
- 5.
You have an application that runs slower than expected. Explain how you would use gprof to diagnose and resolve the performance issues.
Hint
Consider the steps you learned regarding gprof usage.
- 6.
Discuss how you could use the metrics from gprof output to decide which functions to optimize and provide a strategy for optimizing them.
Hint
Think about why you analyze call frequency and execution time.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
2 more questions available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting