[tools] tester: Remove hard coded time limits for SIS

Sebastian Huber sebastian.huber at embedded-brains.de
Tue Jul 5 06:29:11 UTC 2022

On 05/07/2022 08:23, Chris Johns wrote:
> On 5/7/2022 4:02 pm, Sebastian Huber wrote:
>> On 05/07/2022 07:14, Chris Johns wrote:
>>> On 5/7/2022 2:58 pm, Sebastian Huber wrote:
>>>> On 05/07/2022 03:08, Chris Johns wrote:
>>>>> On 5/7/2022 9:44 am, Joel Sherrill wrote:
>>>>>> The limit removed in sis and tsim is the simulated cpu time used. If not using
>>>>>> that, the behavior of the tester is to let the simulator run for so much real
>>>>>> processor time.
>>>>>> Replacing these with a command line argument is probably good but just
>>>>>> removing
>>>>>> these mean these simulators will just run much longer before being killed.
>>>>>> How best to capture the distinction between target run time and host run time?
>>>>> Thank you for the explanation. I was not sure how the option effected things
>>>>> and
>>>>> yes it does matter we have this set correctly.
>>>>> Options can be set in the $HOME/.rtemstesterrc is via the --user-config option.
>>>>> Maybe this can be used to control the time out for specific user tests?
>>>> I would not make this more complicated than necessary. We have a --timeout
>>>> command line option and the default timeout value can be set by *.ini files. The
>>>> simulator speed is just a detail similar to running a target at 100MHz or 1GHz.
>>> It is actually simpler to have this option and to measure time against the cpu
>>> time. The work loads on SMP hosts with qemu shows simulation timeouts are
>>> difficult to get right.
>> I don't know what is wrong with the patch. Overruling command line options is
>> just bad.
> It does not work that way. When simulating the timeout in the tester is a catch
> all. It may triggered if the simulator locks up. With real hardware it is the
> timeout but that is a different use case. A simulator timeout is preferred when
> available.

Ok, good. Who will fix this?

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