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Use a SystemTap example script to trace kernel code operation
SystemTap allows developers to add instrumentation to Linux systems to better understand the behavior of the kernel as well as userspace applications and libraries. This article, the first in a two-part series, shows how SystemTap can reveal potential performance problems down to individual lines of code. The second part of the series will describe how a SystemTap performance monitoring script was written. The SystemTap examples repository Writing a program from scratch in an unfamiliar language...