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.
strace to investigate the performance behavior of a process that is not CPU-bound.
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.
In this chapter, we investigate a system-wide slowdown. ...