Should container_cpu_usage_seconds_total rules require a container?

[snuggie12]

Looking at container_cpu_usage_seconds_total for a given pod I have 3 metrics. One is the container I specified, one is a pause container (which I recently discovered is hidden crictl,) and the third is seemingly the sum of the other two (I'll refer to it as the total container.)

If I apply {container!=""} this goes away since pause and total don't have a container listed.

Should this be checked in and merged for all? If not I presume there's some setup where this makes sense. Out of curiosity, what are those setups?

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