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.