[Bug 44709] New: Take live/regular screenshots

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=44709

            Bug ID: 44709
           Summary: Take live/regular screenshots
           Product: Wine-Testbot
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: unknown
          Assignee: wine-bugs at winehq.org
          Reporter: fgouget at codeweavers.com
      Distribution: ---

The TestBot used to have a 'live screenshot' feature. This feature had to be
disabled due to Libvirt/QEmu issues and because it required the TestBot server
to make a long blocking call.

It would be nice to bring back this feature in some form.

However it may be even better to bring it in a different form and simply take
screenshots every 10 or 30 seconds and timestamp them. For a lot of tests the
screenshots are likely to all be identical so this could be used for
deduplication so that the storage footprint would not be too large. Then the
JobDetails.pl page would allow the user to browse through the screenshots for
each test run (making this nice would likely require some JavaScript).

>From a technical standpoint an advantage of taking regular screenshots is that
it would not involve the web server. Instead it would happen in a separate
thread or a fork of WineRunTask.pl (see TakeScreenshot()). So this would
side-step the blocking call issue.

>From a developer point of view, all long-running tests would have multiple
screenshots, even after they are completed (which is not the case for 'live
screenshots').

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