Adding entries to state timeline dashboard dynamically?

Hello guys,

I am trying to set up a dashboard to monitoring if my worker session is on or off. Like this:

Currently, I have to create 4 queries (session = backend_01; session = backend_02…), to show 4 backend timelines. But I will have maybe 64 backends in the future.

Is it possible to just use one query to group states by backend name here? Or any other dashboard can support this requirement?

Many thanks in advance.


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