Brendan Gregg

SEPTEMBER 25, 2021

[both hands]: /blog/2021-05-23/what-is-observability.html [What is Observability]: /blog/2021-05-23/what-is-observability.html [Ftrace version]: [link] [CPU flame graphs]: /FlameGraphs/cpuflamegraphs.html [Linux performance tools]: /linuxperf.html [Linux tunables]: /blog/2015-03-03/performance-tuning-linux-instances-on-ec2.html

Speed 126

Speed Java AWS Virtualization 126

Brendan Gregg

SEPTEMBER 25, 2021

[both hands]: /blog/2021-05-23/what-is-observability.html [What is Observability]: /blog/2021-05-23/what-is-observability.html [Ftrace version]: [link] [CPU flame graphs]: /FlameGraphs/cpuflamegraphs.html [Linux performance tools]: /linuxperf.html [Linux tunables]: /blog/2015-03-03/performance-tuning-linux-instances-on-ec2.html

Speed 40

Speed Java AWS Virtualization 40

Brendan Gregg

FEBRUARY 9, 2018

[Dave Hansen's kernel notes on the overhead]: [link] [Linux initial KPTI patch code]: [link] [KPTI changes]: [link] [Meltdown and Spectre]: [link] [Reading privileged memory with a side-channel]: [link] [Red Hat's guide to performance impacts]: [link] [PostgreSQL performance testing]: [link] [Meltdown Status in Linux by Greg Kroah-Hartman]: [link] (..)

Performance 75

Performance Benchmarking Cache Tuning 75

Brendan Gregg

FEBRUARY 8, 2018

[Dave Hansen's kernel notes on the overhead]: [link] [Linux initial KPTI patch code]: [link] [KPTI changes]: [link] [Meltdown and Spectre]: [link] [Reading privileged memory with a side-channel]: [link] [Red Hat's guide to performance impacts]: [link] [PostgreSQL performance testing]: [link] [Meltdown Status in Linux by Greg Kroah-Hartman]: [link] (..)

Performance 40

Performance Benchmarking Cache Tuning 40