I'm trying to visualize my systems' current CPU usage which I receive through metricbeat. The field I'm interested in is system.cpu.system.norm.pct. As I can see in the discovery tab, the data is shipped correctly:
So this is an interesting one - I tried using your field and it didn't work.
Then I looked at metricbeats dashboards which are pre-built and we have a nice gauge chart which shows us the cpu usage. And those charts are using
Field system.cpu.user.pct
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