About
I’m Dudi Keleti. I work on .NET diagnostics at Datadog: CLR profiling, runtime instrumentation, and developer tooling.
Before Datadog I worked on OzCode, a .NET debugger. That work shaped much of what I write about: compilers, debuggers, and the internals of the CLR.
My main interests are CLR internals, profilers, performance analysis, dump investigation, and production debugging of .NET applications. I like understanding how the runtime and Windows behave underneath, and pushing systems to their limits.
I also explore AI-assisted development, especially coding agents for debugging: giving them runtime context, gathering evidence, building feedback loops, and validating results step by step.
From 2014 to 2022 I published my writing as My Coding Place on WordPress.com. Those articles are now in Writing, with their original publication dates.