Our Blog

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

Call Stacks and Unwinding 101

How Profilers Work: Part 1

February 19, 2026 | Brennan Vincent

Profiling

.eh_frame

Frame Pointers

Parca Agent

Introducing Oauth for AI Agents

Use your favorite AI agent securely with Polar Signals Profiling

February 12, 2026 | Frederic Branczyk

Claude Code

Cursor

Gemini

Codex

Profiling Agent

Oauth

ICYMI: Polar Signals at FOSDEM

Recap of the talks we gave at FOSDEM developer conference

February 10, 2026 | Thor Hansen

FOSDEM

How to check your debuginfo status in Polar Signals Cloud

A faster and easier way to troubleshoot debuginfo processing in Polar Signals Cloud.

January 22, 2026 | Manoj Vivek

Debuginfo

Symbolization

Symbols

Introducing the Sandwich View

A new way to visualize a function’s callers and callees side by side.

January 8, 2026 | Yomi Eluwande

Data Visualization

Frontend

Profiling

Caller / Callee View

Sandwich View

Optimizing SLO Performance at Scale: How We Solved Pyrra’s Query Performance on Thanos

Learn how we optimized Pyrra’s SLO monitoring to handle high-cardinality metrics at scale, reducing cross-zone traffic and query times while maintaining 99% accuracy.

December 30, 2025 | Matthias Loibl

Performance

Observability

SLOs

Prometheus

Thanos

Profiling NVIDIA CUDA in Kubernetes

The easiest way to get started Profiling CUDA in Kubernetes

December 18, 2025 | Frederic Branczyk

CUDA

NVIDIA

Profiling

GPU

Kubernetes

USDT Probes: A Deep Dive

How we added USDT Probe support to Parca Agent

December 10, 2025 | Tommy Reilly

eBPF

Tracing

USDT