[mrayycombi]

Brendan Gregg's USE method is for performance troubleshooting but could work in any situation (broken is just the worst performance, right?)

https://www.brendangregg.com/usemethod.html

[ahoka]

He promotes many more methods , based on the exact needs:

https://www.brendangregg.com/methodology.html

[mrayycombi]

Totes