A Linux Debug HUD overlay for the focused app (PID + CPU +RSS + quick diagnosis)

Posted by RK9_2006@reddit | sysadmin | View on Reddit | 2 comments

I built a small Linux debug overlay that just sits on top of your screen and tells you what your current app is doing. Basically:

shows PID + app name
CPU + memory (RSS)
detects stuff like high CPU, memory growing, disk pressure, logs, etc.
stays minimal when nothing’s happening
expands only when something looks wrong

The main idea was i didnt want to keep switching to top or htop every time something feels off. So this just sits there like a small HUD and tells you:
“yeah something is wrong here, go check this”

It works with multi-process apps like browsers too (tries to group them instead of showing useless child PIDs).

also many apps like chrome, cursor and heavy browsers and apps contain many child-process so what i have made it i have summed the memory it uses for each child process for the particular app and the %cpu it uses. You can diagnose the issue also when there is any abnormality.

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Repo - https://github.com/codeafridi/Debug-Overlay-App