The talk will give an overview of the processor tracing and how it is supported in perf. It will introduce the Intel Processor Trace (PT), that allows to trace program execution (every branch) with low overhead. The talk will describe its CPU specification, kernel design and show practical examples of its usage via perf tool.
Jiri works for RedHat full time on Linux as kernel generalist engineer in Brno office, Czech Republicech Republic. He currently divides his work time between upstream perf work and maintaining RHEL perf.
Saturday January 26, 2019 2:30pm - 2:55pm CET
A112