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). Martin
