Duplicated metrics `chrony_tracking_stratum` in Grafana dashboard

[ggouzi]

Bug Description

Dashboard shows multiple times the same value for chrony_tracking_stratum

• If the value isn't supposed to change among the different units, it would be nice to display it only once.
• If having different values for the different units is possible, it would be nice to not use a stat but another type of dashboard to represent those values.

Edit: In production with tons of units it's even worse, the dashboards are not readable this is not manageable

To Reproduce

Assuming another cos model already runs

juju consume cos.grafana
juju consume cos.prometheus
juju consume cos.loki

juju deploy ubuntu --series=24.04
juju deploy chrony-client --channel=latest/edge --series=noble
juju deploy grafana-agent --channel=2/stable --series=noble

juju relate grafana-agent grafana
juju relate grafana-agent prometheus
juju relate grafana-agent loki
juju relate grafana-agent chrony-client
juju relate chrony-client ubuntu

Environment

• OS: 24.04
• Juju client/agent 3.6.12
• chrony-client rev 34 latest/edge
• grafana-agent 2/stable

Relevant log output

N/A

Additional context

No response

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Thank you for reporting your feedback to us!

The internal ticket has been created: https://warthogs.atlassian.net/browse/ISD-5088.

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