FlameScope: Visualize CPU Samples from Go Execution Traces — FlameScope is a performance visualization tool from Netflix using flame graphs that can now be used with Go 1.19 thanks to a patch and this work from Felix. “Please note that this is still relatively experimental..”

Felix Geisendörfer

In other proposal related news, Russ also ticked the WebAssembly System Interface / WASI target proposal.

A Comprehensive Guide to Structured Logging in Go — Further to the recently accepted proposal (above), this post takes a practical approach comparing the structured logging approach to log, how slog addresses its limitations, how to get started with slog, as well as some alternatives you might still want to consider.

Better Stack Team

IN BRIEF:

• The Go Time Podcast tackles ▶️ the bits of Go we avoid (and why).

• Brandur Leach has a new policy around util packages – he doesn’t want to see a single, ‘catch all’ util package, but instead have multiple such packages oriented around common features.

Real World Go Concurrency Examples — Not sure we can ever have enough of these examples, and here you’ll see blocked select statements, time.Sleep deadlocks, and how easy the new atomic types can make your