3 papers
cs.CR2025
PMU-Data: Data Traces Could be Distinguished
Zhouyang Li, Pengfei Qiu, Yu Qing +4
Modern processors widely equip the Performance Monitoring Unit (PMU) to collect various architecture and microarchitecture events. Software developers often utilize the PMU to enha…
cs.CR2023
Exploration and Exploitation of Hidden PMU Events
Yihao Yang, Pengfei Qiu, Chunlu Wang +3
Performance Monitoring Unit (PMU) is a common hardware module in Intel CPUs. It can be used to record various CPU behaviors therefore it is often used for performance analysis and…
cs.CR2023
Timing the Transient Execution: A New Side-Channel Attack on Intel CPUs
Yu Jin, Pengfei Qiu, Chunlu Wang +3
The transient execution attack is a type of attack leveraging the vulnerability of modern CPU optimization technologies. New attacks surface rapidly. The side-channel is a key part…