8.3.2.2 - Key Features
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Practice Questions
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What is the primary use of ftrace in kernel profiling?
💡 Hint: Think about what tracing function calls accomplish.
Name one command used to view the output of ftrace.
💡 Hint: Consider how you would check log outputs in a system.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does ftrace primarily facilitate in kernel-space?
💡 Hint: Consider what aspect of the kernel ftrace is targeting.
True or False: perf is used exclusively for user-space profiling.
💡 Hint: Think about the versatility of profiling tools.
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Challenge Problems
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Write an analysis plan using both ftrace and perf tools to diagnose performance issues in a Linux kernel application.
💡 Hint: Consider how both tools provide different dimensions of analysis.
Imagine you are tasked with improving the performance of a kernel module. How would you use SystemTap to assist your optimization process?
💡 Hint: Focus on the real-time data capture aspects that SystemTap provides for iterative improvements.
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