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bug#32548: Cuirass: Performance monitoring

From: zimoun
Subject: bug#32548: Cuirass: Performance monitoring
Date: Mon, 14 Sep 2020 16:10:14 +0200

Hi Mathieu,

Really cool!

On Mon, 14 Sep 2020 at 15:35, Mathieu Othacehe <othacehe@gnu.org> wrote:

> * Builds per day
> * Average evaluation speed per specification.

Something interesting could be: min and max (of 100 evaluations).
The standard error deviation too but I am not sure it is easy to
interpret with a quick look.  Instead, the median could be

For example, consider these 2 evaluations:


Well, if there is say 99 evaluations of first "kind" and 1 of second
kind, the average is:
(99*849 + 1_595_796_252) / 100 = 15_958_803.03
which does not really represent the effective workload.

Well, I will try to give a look if I can schedule a moment. :-)

> Those metrics can now be seen at:
> https://ci.guix.gnu.org/metrics

Nice plot!

> I plan to add more metrics such as:
> - Evaluation completion percentage.
> - Evaluation completion speed.
> - Failed evaluations percentage.
> - Pending builds per day.

Maybe time between commit time (not author time) and start of the build.


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