Secure Access of Performance Monitoring Unit by User Space Profilers

Description

This paper proposes a software mechanism targeting performance profilers which would run at user space privilege to access performance monitoring hardware. The latter requires privileged access in kernel mode, in a secure manner without causing unintended interference to the software stack. For all Intel® 64 and IA-32 Architectures Software Developer Manuals, see: https://software.intel.com/content/www/us/en/develop/articles/intel-sdm.html