Have tasks in graph view show % of total execution time for that run?

[match-gabeflores]

Description

In graph view, show the % of that tasks' execution time compared to total execution time of the dagrun. I've also seen other cases where a small bar graph is shown in the task rectangle but I think % is probably good enough.

it would be really helpful to see at a glance from the graph view which tasks are taking the longest.

https://airflow.apache.org/docs/apache-airflow/stable/_images/dag_run_graph1.png

Use case/motivation

for quickly triaging a long running dagrun

Related issues

No response

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• Yes I am willing to submit a PR!

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