2017 LLVM Developers’ Meeting: D. Michael “XRay in LLVM: Function Call Tracing and Analysis ”
Why the open web links it
Explains XRay, a function call tracing system for debugging high-performance C/C++ systems.
Linked by 2 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including torproject.org, llvm.org.