Determine queue time using Groovy script

[Daniel Weber]

Hi all,

I was trying to write a small Groovy script that determines queue
times for builds. But somehow the results do
not match my observations. I definitively know that some builds had to
wait for > 10 minutes before an executor
was free. But the script only shows queue times of less than a second.
Here's the script:

jenkins.model.Jenkins jenkins = jenkins.model.Jenkins.instance
for (p in jenkins.projects) {
for (b in p.builds) {
long start = b.startTimeInMillis
long scheduled = b.timeInMillis
queueTime = start - scheduled
println (p.name + " (" + b + ") : " + queueTime + "ms")
}
}

I assumed startTimeMillis is the time when the build was actually
starting to run and timeInMillis is the time when
it was scheduled and entered the queue. Does this make sense?

Any feedback is appreciated :)
Thanks in advance,
Daniel

[Baptiste Mathus]

In your place I would write a small plugin implementing a http://javadoc.jenkins-ci.org/hudson/model/queue/QueueListener.html class to record time when builds enter and leave the queue.

Cheers

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