How to Classify Intermittent Test Failures
joel at rtems.org
Mon Feb 1 17:31:33 UTC 2021
On Mon, Feb 1, 2021 at 11:14 AM Gedare Bloom <gedare at rtems.org> wrote:
> On Mon, Feb 1, 2021 at 9:42 AM Joel Sherrill <joel at rtems.org> wrote:
>> On the aarch64 qemu testing, we are seeing some tests which seem to pass
>> most of the time but fail intermittently. It appears to be based somewhat
>> on host load but there may be other factors.
> There does not appear to be a good test results state for these. Marking
>> them expected pass or fail means they will get flagged incorrectly
> Are they expected to pass every time?
Normally yes. But there appears to be some external factors particularly
load impacting qemu which lead to failures on target side code.
> Intermittent failures are suspicious, and there is limited value to
> running a test that has an "intermittent failure" state, since it will
> always be successful if you don't care if it passes or fails.
Yeah. No matter what you mark them, it sucks.
>> I don't see not running them as a good option. Beyond adding a new state
>> to reflect this oddity, any suggestions?
>> devel mailing list
>> devel at rtems.org
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