On Tue, Jun 16, 2020 at 03:38:26PM -0000, Christos Zoulas wrote:
> So we are saying that it is ok for process running with regular priority,
> to be able to starve another process at the same priority from getting
> any runtime for 21 seconds in a uniprocessor kernel, and this does not
> indicate any problem with the scheduler implementation? This would mean
> that for a HZ=100 kernel in 2100 rescheduling opportunities, the watchdog
> thread was never selected to run?

No, that is definitively not OK, which is what the PR is about.

It is not OK for a regular atf run to cause a reboot of the test machine
though, so this is a temporary hack around the issue (and admitedly a very
ugly hack).


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