Profiling improvements in Go 1.18 | Datadog

What this post added

This post details contributions to Go 1.18's CPU profiler, specifically addressing issues with setitimer(2) and timer_create(2) on Linux to improve CPU burst accuracy on multi-core systems. It also covers bug fixes for profiler labels in Go 1.18, enhancing the ability to associate arbitrary key/value pairs with goroutines for better profiling analysis.