Off-Cpu Analysis using pSnapper

Tanel Poder have just shared an awesome tool Linux Process Snapper 🙂 Which is as he described “a Linux /proc profiler that works by sampling Linux task states and other metrics from /proc/PID/task/TID pseudofiles” . What i like about the tool is the easy of use and also that it allow Off-Cpu  analysis  (For more info about Off-Cpu analysis please take a look at Brendan Gregg Blog )

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Oracle 19c Event mapping files

Here is the event mapping files for the new oracle 19c

As usual this include new added/removed events  :

Capture 01

19c on the left/18c on the right

As i showed in my previous blog post this event mapping files can be used in different use cases.Such as flame graph annotation :

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