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.
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 ...