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

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Chapter 9. Using Performance Tools to Find Problems

This chapter contains a method for using the previously presented performance tools together to narrow down the cause of a performance problem.

After reading this chapter, you should be able to

  • Start with a misbehaving system and use the Linux performance tools to track down the misbehaving kernel functions or applications.

  • Start with a misbehaving application and use the Linux performance tools to track down the misbehaving functions or source lines.

  • Track down excess usage of the CPU, memory, disk I/O, and network.

Not Always a Silver Bullet

This chapter assumes that it is possible to solve a performance problem by changing software. Tuning an application or system to achieve a target performance ...

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