To filter all metrics by a specific field value in Grafana 7.75, follow these steps:
Open the Grafana dashboard that contains the metrics you want to filter.
Click on the “Explore” button in the top menu bar.
In the Explore panel, select the data source you want to filter from the drop-down list.
Select the metric you want to filter by clicking on its name in the left-hand column.
In the query editor, add a filter by clicking on the “+” icon next to the Filters section.
Choose the field you want to filter by from the drop-down list under “Filter by Field”.
Enter the value you want to filter by in the text box next to “Equals”.
Click on the “Run Query” button to refresh the results with the filtered data.
You should now see only the metrics that match the field value you specified in the filter.
