Brendan Gregg
Computer performance engineer working on datacenter performance at OpenAI, previously Netflix and Sun/Joyent. Author of Systems Performance and BPF Performance Tools, and creator of flame graphs.
Brendan Gregg did not write this page. What is this?
It collects the places they publish and what they have said there, each linked to the source. They have no account here. Is this you? Claim it, correct it, or ask us to remove it from ppll.
Where they publish
Brendan Gregg's BlogBlog His personal blog, separate from the reference pages on the same site.
Recent
- Why I joined OpenAI 6 Feb 2026
- Leaving Intel 4 Dec 2025
- On "AI Brendans" or "Virtual Brendans" 27 Nov 2025
Show 7 more
- Intel is listening, don't waste your shot 21 Nov 2025
- Third Stage Engineering 16 Nov 2025
- When to Hire a Computer Performance Engineering Team (2025) part 1 of 2 3 Aug 2025
- 3 Years of Extremely Remote Work 21 May 2025
- Doom GPU Flame Graphs 30 Apr 2025
- AI Flame Graphs 28 Oct 2024
- No More Blue Fridays 21 Jul 2024
Link verified 4 Sept 2026. Recent items update automatically from the channel.
@brendangreggx.com Posts about systems performance and eBPF.
Recent
- Huge news for Doctor Who fans: DMP 1 & 3 found! 13 Mar 2026
- New blog post: Why I joined OpenAI 7 Feb 2026
- New post: Leaving Intel 5 Dec 2025
Show 16 more
- new post: When to Hire a Computer Performance Engineering Team (2025) part 1 of 2 4 Aug 2025
- Had a great time at #srenext Tokyo 14 Jul 2025
- new blog post: 3 Years of Extremely Remote Work 22 May 2025
- New blog post: Doom GPU Flame Graphs, a fun demo of AI/GPU Flame Graphs and FlameScope, now open source 30 Apr 2025
- My website is back online https://t.co/1cRpD64hyP after migrating to a different provider (and https works again) 3 Mar 2025
- My website is online as http at https://t.co/1cRpD64hyP, but I just broke the https links, sorry. If you delete the "s" then the links should still work. 2 Mar 2025
- AI Flame Graphs: Showing what's actually running on the HW and how we got there. Uses Intel EU stall profiling and eBPF. 30 Oct 2024
- WSJ covering the eBPF "super revolutionary technology" 16 Aug 2024
- New post: No More Blue Fridays: How eBPF is already being adopted to prevent kernel crashes 22 Jul 2024
- New blog post: Linux crisis tools 24 Mar 2024
- New blog post: The Return of the Frame Pointers (Fedora, Ubuntu) 17 Mar 2024
- New blog post: eBPF Documentary 10 Mar 2024
- USENIX @SREcon APAC is only 5 weeks away! See you in Singapore 9 May 2023
- new post: eBPF Observability Tools are not Security Tools 28 Apr 2023
- Slides and video from my SREcon22 APAC keynote on computing performance futures https://t.co/slq6CP2Ygy #SREcon @usenix 1 Mar 2023
- USENIX @SREcon APAC CFP is due in two weeks (March 2nd): 17 Feb 2023
Link verified 4 Sept 2026. Recent items update automatically from the channel.
github.com/brendangreggGitHub FlameGraph, perf-tools, bpf-perf-tools-book and other performance tooling.
Recent
- FlameGraph — Stack trace visualizer 20 Oct 2024
- bpf-perf-tools-book — Official repository for the BPF Performance Tools book 30 Apr 2024
- perf-tools — Performance analysis tools based on Linux perf_events (aka perf) and ftrace 22 Nov 2023
Show 13 more
- GuessingGame — Guessing game written in many programming languages 21 Sept 2023
- BPF-tools — Performance Tools using Linux eBPF 29 Jul 2023
- FlameScope — coming soon 16 Apr 2022
- pmc-cloud-tools — PMC (Performance Monitoring Counter) tools for the cloud 14 Dec 2021
- HeatMap — Heat map generation tools 6 Oct 2021
- Chaosreader — An any-snarf program that processes application protocols (HTTP/FTP/...) from tcpdump or snoop files and stores session and file data 21 Aug 2021
- wss — Working Set Size tools 15 Aug 2021
- msr-cloud-tools — MSR Cloud Tools 29 Jul 2020
- bpf-perf-workshop 5 Apr 2020
- systemtap-lwtools — SystemTap Lightweight Tools 12 Jan 2020
- bpf-typewriter — BPF noisy typewriter (bpftrace) 22 Dec 2019
- Misc — Misc 19 Feb 2019
- wrmsrbench — WRMSR micro benchmark 19 Feb 2019
Link verified 4 Sept 2026. Recent items update automatically from the channel.
Recommends rcmnd
What they recommendrcmnd 22 things — each backed by an exact quote.
Compiled by rcmnd.app, not by them: the quotes are theirs, and each links to the post it was copied from.
Recent
The No Asshole Rule Recommends
The No Asshole Rule - Robert I. Sutton (Business Plus, 2010)
brendangregg.com 2025-05-24
affiliate link
The Worst Journey in the World Recommends
The Worst Journey in the World - Apsley Cherry-Garrard (Penguin, 2006/1922)
brendangregg.com 2025-05-24
affiliate link
Skunk Works Recommends
Skunk Works - Ben R. Rich & Leo Janos (Black Bay Books, 1996)
brendangregg.com 2025-05-24
affiliate link
Show 19 more
Where Wizards Stay Up Late Recommends
Where Wizards Stay Up Late - Katie Hafner, Matthew Lyon (Simon & Schuster, 1998)
brendangregg.com 2025-05-24
affiliate link
Just For Fun Recommends
UNIX: A History and a Memoir Recommends
UNIX: A History and a Memoir - Brian W Kernighan (independent, 2019)
brendangregg.com 2025-05-24
The AWK Programming Language Recommends
The AWK Programming Language - Alfred V. Aho, Brian W. Kernighan, Peter J. Weinberger (Addison Wesley, 1988)
brendangregg.com 2025-05-24
affiliate link
The C Programming Language, 2nd Ed. Recommends
The C Programming Language 2nd Ed. - Brian W. Kernighan, Dennis M. Ritchie (Prentice Hall, 1988)
brendangregg.com 2025-05-24
affiliate link
Expert C Programming Recommends
Expert C Programming - Peter van der Linden (Prentice Hall, 1994)
brendangregg.com 2025-05-24
affiliate link
The Mythical Man-Month Recommends
The Mythical Man-Month - Frederick P. Brooks (Addison-Wesley, 1995/1975)
brendangregg.com 2025-05-24
affiliate link
The Practice of Programming Recommends
The Practice of Programming - Brian Kernighan, Rob Pike (Addison-Wesley, 1999)
brendangregg.com 2025-05-24
The Art of Unix Programming Recommends
The Art of Unix Programming - Eric S. Raymond (Addison-Wesley, 2003)
brendangregg.com 2025-05-24
affiliate link
Applied Cryptography Recommends
Cryptonomicon Recommends
The Cuckoo's Egg Recommends
The Design of the Unix Operating System Recommends
The Design of the Unix Operating System - Maurice J. Bach (Prentice Hall, 1986)
brendangregg.com 2025-05-24
affiliate link
What others say about The Design of the Unix Operating System →
Understanding the Linux Kernel, 3rd Ed. Recommends
Understanding the Linux Kernel, 3rd Ed. - Daniel P. Bovet, Marco Cesati Ph.D. (O'Reilly, 2005)
brendangregg.com 2025-05-24
affiliate link
What others say about Understanding the Linux Kernel, 3rd Ed. →
Linux Kernel Development, 3rd Ed. Recommends
Linux Kernel Development, 3rd Ed. - Robert Love (Addison-Wesley, 2010)
brendangregg.com 2025-05-24
affiliate link
The Practical Performance Analyst Recommends
The Practical Performance Analyst - Neil Gunther (McGraw Hill, 1997)
brendangregg.com 2025-05-24
affiliate link
The Art of Capacity Planning Recommends
The Art of Capacity Planning - John Allspaw (O'Reilly, 2008)
brendangregg.com 2025-05-24
affiliate link
BPF Performance Tools Recommends
Systems Performance, 2nd edition Recommends
Systems Performance 2nd edition - Brendan Gregg (Addison-Wesley, 2021)
brendangregg.com 2025-05-24
their own
Latest
Full feed →Everything, newest firstFeed Posts, recommendations and repos from the cards above, in one stream.
Filter & sortAll sources · condensed
- Huge news for Doctor Who fans: DMP 1 & 3 found! 13 Mar
- New blog post: Why I joined OpenAI 7 Feb
- Why I joined OpenAI 6 Feb
- New post: Leaving Intel 5 Dec 2025
- Leaving Intel 4 Dec 2025
- On "AI Brendans" or "Virtual Brendans" 27 Nov 2025
Show 49 more
- Intel is listening, don't waste your shot 21 Nov 2025
- Third Stage Engineering 16 Nov 2025
- new post: When to Hire a Computer Performance Engineering Team (2025) part 1 of 2 4 Aug 2025
- When to Hire a Computer Performance Engineering Team (2025) part 1 of 2 3 Aug 2025
- Had a great time at #srenext Tokyo 14 Jul 2025 Quoting@pyama86今日もいい日だった #srenext
- Systems Performance, 2nd edition 24 May 2025 Recommendstheir own
- BPF Performance Tools 24 May 2025 Recommendstheir own
- The Art of Capacity Planning 24 May 2025 Recommendsaffiliate link
- The Practical Performance Analyst 24 May 2025 Recommendsaffiliate link
- Linux Kernel Development, 3rd Ed. 24 May 2025 Recommendsaffiliate link
- Understanding the Linux Kernel, 3rd Ed. 24 May 2025 Recommendsaffiliate link
- The Design of the Unix Operating System 24 May 2025 Recommendsaffiliate link
- The Cuckoo's Egg 24 May 2025 Recommendsaffiliate link
- Cryptonomicon 24 May 2025 Recommendsaffiliate link
- Applied Cryptography 24 May 2025 Recommendsaffiliate link
- The Art of Unix Programming 24 May 2025 Recommendsaffiliate link
- The Practice of Programming 24 May 2025 Recommends
- The Mythical Man-Month 24 May 2025 Recommendsaffiliate link
- Expert C Programming 24 May 2025 Recommendsaffiliate link
- The C Programming Language, 2nd Ed. 24 May 2025 Recommendsaffiliate link
- new blog post: 3 Years of Extremely Remote Work 22 May 2025
- 3 Years of Extremely Remote Work 21 May 2025
- New blog post: Doom GPU Flame Graphs, a fun demo of AI/GPU Flame Graphs and FlameScope, now open source 30 Apr 2025
- Doom GPU Flame Graphs 30 Apr 2025
- My website is back online https://t.co/1cRpD64hyP after migrating to a different provider (and https works again) 3 Mar 2025
- My website is online as http at https://t.co/1cRpD64hyP, but I just broke the https links, sorry. If you delete the "s" then the links should still work. 2 Mar 2025
- AI Flame Graphs: Showing what's actually running on the HW and how we got there. Uses Intel EU stall profiling and eBPF. 30 Oct 2024
- AI Flame Graphs 28 Oct 2024
- FlameGraph — Stack trace visualizer 20 Oct 2024
- WSJ covering the eBPF "super revolutionary technology" 16 Aug 2024
- New post: No More Blue Fridays: How eBPF is already being adopted to prevent kernel crashes 22 Jul 2024
- No More Blue Fridays 21 Jul 2024
- bpf-perf-tools-book — Official repository for the BPF Performance Tools book 30 Apr 2024
- New blog post: Linux crisis tools 24 Mar 2024
- New blog post: The Return of the Frame Pointers (Fedora, Ubuntu) 17 Mar 2024
- New blog post: eBPF Documentary 10 Mar 2024
- perf-tools — Performance analysis tools based on Linux perf_events (aka perf) and ftrace 22 Nov 2023
- GuessingGame — Guessing game written in many programming languages 21 Sept 2023
- BPF-tools — Performance Tools using Linux eBPF 29 Jul 2023
- FlameScope — coming soon 16 Apr 2022
- pmc-cloud-tools — PMC (Performance Monitoring Counter) tools for the cloud 14 Dec 2021
- HeatMap — Heat map generation tools 6 Oct 2021
- Chaosreader — An any-snarf program that processes application protocols (HTTP/FTP/...) from tcpdump or snoop files and stores session and file data 21 Aug 2021
- wss — Working Set Size tools 15 Aug 2021
- msr-cloud-tools — MSR Cloud Tools 29 Jul 2020
- bpf-perf-workshop 5 Apr 2020
- systemtap-lwtools — SystemTap Lightweight Tools 12 Jan 2020
- bpf-typewriter — BPF noisy typewriter (bpftrace) 22 Dec 2019
- Misc — Misc 19 Feb 2019