Our Blog

Welcome to the Polar Signals blog where we write about profiling, performance, and company culture.

Python Zebra Stacks

Unwinding Deep PyTorch Training Stacks with eBPF

May 20, 2026 | Tommy Reilly

Autonomous Optimization with Claude Code

Optimize your infrastructure autonomously every day with Claude Code and Polar Signals

May 6, 2026 | Frederic Branczyk

Claude Code

Profiling

JavaScript Source Maps Support in Polar Signals Cloud

Polar Signals Cloud now resolves minified JavaScript and TypeScript profiles back to original source code using source maps.

April 15, 2026 | Manoj Vivek

OpenTelemetry Profiling goes Alpha

How to use it with Polar Signals & Parca

March 26, 2026 | Frederic Branczyk

Profiling Internals: Hardware Timers and eBPF

How Profilers Work: Part 2

March 25, 2026 | Brennan Vincent

eBPF

Parca Agent

Introducing the Polar Signals VS Code Extension

See CPU time, memory allocations, and other profiling metrics as inline annotations directly in your source code.

March 10, 2026 | Yomi Eluwande

Introducing IAM

Represent your organization in Polar Signals

February 24, 2026 | Frederic Branczyk

Call Stacks and Unwinding 101

How Profilers Work: Part 1

February 19, 2026 | Brennan Vincent