Everything you care about in one place

Follow feeds: blogs, news, RSS and more. An effortless way to read and digest content of your choice.

Get Feeder


Brendan Gregg's Blog

Get the latest updates from Brendan Gregg's Blog directly as they happen.

Follow now 210 followers

Latest posts

Last updated 20 days ago

ZFS Is Mysteriously Eating My CPU

21 days ago

A microservice team asked me for help with a mysterious issue. They...

Analyzing a High Rate of Paging

28 days ago

These are rough notes A service team was debugging a performance issue...

Slack's Secret STDERR Messages

about 1 month ago

These are rough notes I run the Slack messaging application on Ubuntu...

USENIX LISA2021 Computing Performance: On the Horizon

3 months ago

It's an exciting time for developments in computer performance, not just for...

How To Add eBPF Observability To Your Product

3 months ago

There's an arms race to add eBPF (BPF) to commercial observability products...

USENIX LISA2021 BPF Internals (eBPF)

3 months ago

For USENIX LISA2021 I gave a 40 minute deep dive talk on...

An Unbelievable Demo

4 months ago

This is the story of the most unbelievable demo I've been given...

Moving my US tech job to Australia

4 months ago

I've moved from the San Francisco Bay Area to Sydney, Australia, where...

What is Observability

4 months ago

It's a made-up computer word that my word processor decorates with a...

Poor Disk Performance

5 months ago

People often tell me they don't understand performance tool output because they...

BPF binaries: BTF, CO-RE, and the future of BPF perf tools

11 months ago

Two new technologies, BTF and CO-RE, are paving the way for BPF...

Systems Performance: Enterprise and the Cloud, 2nd Edition

about 1 year ago

Eight years ago I wrote _Systems Performance: Enterprise and the Cloud_ (aka...