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Optimizing Linux® Performance: A Hands-On Guide to Linux® Performance Tools by Phillip G. Ezolt

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Chapter 12. Performance Hunt 3: The System-Wide Slowdown (prelink)

This chapter contains an example of how to use the Linux performance tools to find and fix a performance problem that affects the entire system rather than a specific application.

After reading this chapter, you should be able to

  • Track down which individual process is causing the system to slow down.

  • Use strace to investigate the performance behavior of a process that is not CPU-bound.

  • Use strace to investigate how an application is interacting with the Linux kernel.

  • Submit bug reports that describe a performance problem so that an author or maintainer has enough information to fix the problem.

Investigating a System-Wide Slowdown

In this chapter, we investigate a system-wide slowdown. ...

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