Precise timing of machine code with Linux perf. | EasyperfContents: Recap on LBR Getting cycles count with linux perf Application: estimating prefetch window Subscribe to my newsletter, support me on Patreon or by PayPal donation. I feel like writing these days, so powered by this feeling I decided to share another quite useful technique that I sometimes use. Today I will show how you can utilize Intel LBR (Last Branch Record) feature to do cycle-based t
