Re: EVL 7.1 and below on armhf: System hang when running the testsuite under stress

[Philippe Gerum <rpm@xenomai.org>]

Philippe Gerum <rpm@xenomai.org> writes:

> Florian Bezdeka <florian.bezdeka@siemens.com> writes:
>
>>> 
>>> Since r58, we have the running_on_vm() predicate available to test code,
>>> which checks whether the "EVL_ON_VM" environment variable is set to
>>> 1/y/yes/Y/YES (unfortunately, I'm not aware of any way to detect this
>>> without user input like the valgrind vm allows via some hypercall).
>>
>> systemd-detect-virt implements a couple of mechanisms to detect a lot of
>> different hypervisors. Could we depend on it?
>>
>
> Yes, running_on_vm() could try this source if present, falling back to
> the envvar method if not.

Actually, having evl-test feed EVL_ON_VM would be better. This way we
could still control the vm detection by setting EVL_ON_VM as desired
before running the test manually (i.e. without evl-test). I'm preparing
a patch for this.

-- 
Philippe.