This chapter contains an example of how to use the Linux performance tools to find and fix a performance problem in a latency-sensitive application.
After reading this chapter, you should be able to
oprofile to figure out where latency is being generated in a latency-sensitive application.
gdb to generate a stack trace for each call to a “hot” function.
Use performance tools to determine where time is spent for an application that uses many different shared libraries.
Use this chapter as a template to find the cause of high latency in a latency-sensitive application.
In this chapter, we investigate an application that is sensitive ...