On Wednesday 2015-11-04 16:48 +0100, Michael Henretty wrote:
> On Wed, Nov 4, 2015 at 4:45 PM, Fabrice Desré <[email protected]> wrote:
> > Can we *right now* identify the worst offenders by looking at the tests
> > results/re-runs? You know that sheriffs will very quickly hide and
> > ignore tests that are really flaky.
> 
> Yes, that's an important point. The problem is that you have to actually
> look at the logs of an individual chunk to see which tests failed. If a
> certain Gij test passes at least 1 out of it's 5 given runs, it will not
> surface to Treeherder, which means we can't start it. Looking through each
> chunk log file (of which we have 40 per run) is doable, but more time
> consuming and error prone.

Can you write a script to gather the data?  Seems like you should be
able to get to it through various JSON files exposed for treeherder.

(The code in
https://hg.mozilla.org/users/dbaron_mozilla.com/buildbot-json-tools/
might not work anymore (although it might), but might provide some
useful hints on how to find the right logs.  Treeherder source
should provide better hints, but is larger.)

-David

-- 
𝄞   L. David Baron                         http://dbaron.org/   𝄂
𝄢   Mozilla                          https://www.mozilla.org/   𝄂
             Before I built a wall I'd ask to know
             What I was walling in or walling out,
             And to whom I was like to give offense.
               - Robert Frost, Mending Wall (1914)

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