Pipeline job - how can I get the duration of stage?

[Ayellet]

Hi,

In my plugin , I try to get the data of pipeline job and its stages.

I need to know the duration of the stage in specific run, so I implemented this class:

org.jenkinsci.plugins.workflow.flow.GraphListener

But I can't get the stage's duration from the FlowNode.

When I call to getDuration - I get a strange results, sometimes it is not the same as in the UI (stage view).

My code:

StageNodeExt stageNode = StageNodeExt.create(flowNode);

stageNode getDurationMillis();

any idea?

thanks!!