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Chart bug raise rate

Our process is to raise a bug in jira as a sub-task when a fault is found by a tester and is assigned to the developer responsible for the DUT.

As a tester - I would like to see how many bugs are raised per week on a DUT in the form of a line chart.

How do I chart the number of sub-tasks created under a specific task over a period of time?

1 answer

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I'm not sure what is a DUT, but you should be able to use a JQL like this to find the subtasks of a Jira issue:

parent = FOO-123

...where FOO-123 is the parent's key.

Then you could try use the Created vs. Resolved gadget fed by this query.

A DUT is a Design Under Test - the design task would be foo-123 and sub tasks are bugs found with the DUT.

When I try to use a created vs resolved gadget, it says no "No project or filter specified."  when I enter "parent = PER-1064" under the "Project or Saved Filter" field of the "Created vs Resolved Chart"

created vs resolved.png

It expects a saved filter there, not a JQL query string!

So create a saved filter with that JQL, give it a name, then it will appear in that drop-down as an option.

Like David_Amor likes this

Thanks for your help Aron, however this is showing the number of unresolved issues rather than the rate of issue creation.

created vs resolved not rate.png

I would like to see the first derivative of the created chart, is this possible?

Unless I'm mistaken, the "Collection Operation" parameter of the gadget serves that purpose.

Not really, the graph i'm looking for is issues raised per month like this:


or this



I've exported the data from the query and plotted it in excel.

This work around will do, but it would be nice to have this built into Jira.

If you use Excel to solve this, you should definitely check out our app called Better Excel Exporter.

It has a report template dedicated to created vs resolved pivot tables and pivot charts. Using this (or a customized version of this) you could reduce the manual work of re-creating the chart every time:


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