Using a custom Java-based Linux scheduler to reproduce a tricky concurrency bug in the OpenJDK's JFR CPU-time sampler.
A senior engineer reflects on his 3.5 years at Intel, highlighting contributions to AI flame graphs, eBPF, cloud strategy, and open-source performance tools.
Brendan Gregg discusses AI agents trained on his performance engineering work, their limitations, and the ethical implications of creating 'Virtual Brendans'.
Advice on when and why to form a computer performance engineering team, based on the author's experience at Netflix and Intel.
An engineer shares his 3-year experience of working remotely from Australia for a US firm, detailing the challenges of extreme timezone differences.
Analysis of Doom's gaming performance using GPU Flame Graphs and FlameScope for CPU/GPU correlation and shader compilation insights.
A technical blog post about writing an experimental Linux scheduler using eBPF and Java that dynamically allocates CPU cores based on system sound levels.
How eBPF technology can prevent system crashes like the massive July 2024 Windows outage caused by a faulty kernel driver update.
Blog post about the new eBPF documentary, which tells the story of how the revolutionary Linux kernel technology was developed and accepted.
Explores using network instrumentation and TCP file descriptor hijacking to analyze performance bottlenecks and improve GitHub's infrastructure.
Explains why eBPF observability tools, designed for low overhead, are not suitable for security monitoring due to evasion risks.
Brendan Gregg's SREcon22 APAC keynote on the future of computing performance, covering new developments and predictions.
An introduction to using Linux kernel probes (kprobes) with eBPF and BCC for dynamic kernel debugging and tracing.
An analysis of Sysdig's cloud-native monitoring solution, which uses eBPF for container security and performance insights.
