Carter Yagemann

Carter Yagemann

Assistant Professor of Computer Science and Engineering at the Ohio State University with interests in automated vulnerability discovery, root cause analysis, exploit prevention, and cyber-physical security.

#pt Articles

A Practical Beginner's Guide to Intel Processor Trace

Greetings, if you're reading this tutorial, chances are you have some interest in Intel Processor Trace (PT) and how it can improve your debugging or program analysis capabilities, but aren't sure how to get started. This is understandable, given that there aren't many practical tutorials on Intel PT and what …

Debian Apt Repo for libipt

As part of my Ph.D. research, I play around with Intel Processor Trace a lot. As a result, I frequently use libipt; both as a library for my own software and for the reference programs it includes. ptdump and ptxed are my goto utilities for quickly checking and manipulating …

Intel PT Data at Rest: A Compression Experiment

Full Disclosure: I am a researcher in Georgia Tech's ISTC-ARSA, which is funded by Intel. Although I reference two publications that share Xinyang Ge and Weidong Cui as authors, I am neither associated with them nor Microsoft Research at the time of writing. Intel Processor Trace (PT) is a powerful …

Intel Processor Trace, execvp, and ptrace

Lately, I've been playing around with Intel Processor Trace (PT); a x86 hardware feature that allows for complete tracing of process control flows. As part of my research, I've been developing my own Linux driver and user program to control PT. Tracing can be configured using a handful of model …