Skip to main content

    Brendan Gregg

    Brendan Gregg is an expert in computer performance and eBPF, creator of flame graphs, and has worked at OpenAI and Netflix.

    #6 Systems performance engineering#8 Site Reliability Engineering#7 Observability
    30CiteRank

    Last updated 11 Nov 2026 · Named in 42 answers across 5 engines
    Bing AI Mode starts a separate baseline. Copilot remains a separate public engine and keeps its history; changes across the switch are not like-for-like growth.

    How AI engines see them

    Recognized by 5 of 5 measured engines. Updated 2026-10-26

    All five engines describe Brendan Gregg as a systems performance and observability expert whose methods help SREs during incidents. They agree on the USE Method. Copilot and Google AI Mode credit him with inventing flame graphs, and Copilot adds eBPF tracing. ChatGPT adds his Netflix on-call work and SREcon material on checklists. Gemini and Google AI Mode mention his Performance Architect title at Netflix and Sun Microsystems, while Perplexity adds Intel and his books. Cited pages come mostly from brendangregg.com, along with build5nines.com and antoinebuteau.com.

    • ChatGPTNamed in 15 answers

      ChatGPT says he connects incident symptoms to evidence from the operating system and applications, took part in Netflix on-call rotation and is known for the USE Method.

      Known for
      • The USE Method
      • Systems performance observability
      • Root-cause analysis from system internals
    • GeminiNamed in 13 answers

      Gemini says he is a systems performance expert and author whose USE Method and observability work help SREs diagnose production problems.

      Known for
      • Creating the USE Method
      • Systems performance analysis
      • Defining observability
    • Google AI ModeNamed in 6 answers

      Google AI Mode says he has been a Performance Architect at Netflix and Sun Microsystems and invented flame graphs and the USE Method for incident triage.

      Known for
      • The USE Method
      • Inventing flame graphs
      • Structured incident triage
    • PerplexityNamed in 2 answers

      Perplexity says he held roles at Netflix and Intel and authored major texts on performance analysis, with methods such as flame graphs, eBPF and the USE method.

      Known for
      • Flame graphs and eBPF
      • The USE method
      • Books on performance analysis
    • Bing AI ModeNot named

      No description yet.

    • CopilotNamed in 6 answers

      Copilot says he created the USE Method, invented flame graphs and popularized eBPF for low-overhead tracing, all useful for incident response.

      Known for
      • The USE Method
      • Inventing flame graphs
      • Popularizing eBPF tracing

    Top Segments

    • #6Systems performance engineeringof 28
      Named in 42 answers
    • #8Site Reliability Engineeringof 49
      Named in 12 answers
    • #7Observabilityof 36
      Named in 14 answers

    Top URLs

    1. 1
      Website and technical guides
      brendangregg.com11 citations
    2. 2
      Reliability Top 50 2026 | Rootly
      rootly.com9 citations
    3. 3
      https://townhall.hashnode.com/women-in-tech-liz-fong-jones
      townhall.hashnode.com9 citations

    Words engines use about Brendan

    • books are industry standards1 engine
    • canonical text systems performance1 engine

    Prompts where Brendan is named

    Run now opens the answer page for that prompt.

    • Who are the most influential voices in Systems performance engineering?

      Named by 1 engines

    • Who are the most influential voices in Observability & monitoring?

      Named by 1 engines

    Track Brendan

    Follow Brendan's measured AI visibility and see the questions where they rank.