[PATCH] sptests/spsem04: new test case for PIP starvation

[Sebastian Huber]

On 20/12/17 17:02, Gedare Bloom wrote:
> On Wed, Dec 20, 2017 at 10:58 AM, Gedare Bloom <gedare at rtems.org> wrote:
>> On Wed, Dec 20, 2017 at 1:02 AM, Sebastian Huber
>> <sebastian.huber at embedded-brains.de> wrote:
>>> I think this is already covered by test_inherit_nested_vertical() in
>>> spmutex01.
>>>
>> Thanks for the pointer, you're correct. I need this kind of test for
>> some release/maintenance to fix PIP in 4.10 (and checking it on 4.11).
>>
> FYI: I have this spsem04 on 4.10 and 4.11, and it demonstrates the
> broken PIP we know and love.
>
>> I may try to unpack the parts of spmutex01 that are backward-compatible.
>>
> If I can't easily port backward spmutex01, I may like to add these
> tests to the release branches if acceptable.
>
> I intend to implement some solution similar to the one you suggested
> in https://devel.rtems.org/ticket/2412

I am not opposed to duplicated tests in general, but we should keep a 
bit the test run time in mind. Individual test programs require a boot 
cycle.

I don't care about the tests in 4.10 and 4.11 that much.

-- 
Sebastian Huber, embedded brains GmbH

Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone   : +49 89 189 47 41-16
Fax     : +49 89 189 47 41-09
E-Mail  : sebastian.huber at embedded-brains.de
PGP     : Public key available on request.

Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.