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gmane.comp.gdb.devel |
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<[email protected]> |
> On Oct 26, 2015, at 1:36 AM, Doug Evans <[email protected]> wrote:
>
> On Wed, Oct 14, 2015 at 12:58 PM, <[email protected]> wrote:
>> I'm doing some work on gdb and want to run the testsuites to confirm that I didn't mess it up.
>>
>> The problem is that a number of them seem to be quite unreliable. I've seen test runs where gdb.btrace/step.exp and/or stepi.exp have a pile of failures, but then when I rerun either just those tests, or the whole suite, they pass.
>>
>> Since I haven't a clue how the reverse execution stuff works, I don't know if this is expected. It seems strange. I also don't know what to do about it if it's not supposed to be like that. For now, I'm just running things a couple of times, and if they pass once, I call it good enough.
>
> Those particular tests don't fail for me, even with check-parallel,
> but then it could depend on the target.
> OTOH several tests *are* flaky, especially under load.
>
> What I normally do is for the failures,
> run just those tests one at a time (to reduce load induced failures).
> And do that in the before and after trees.
> If they fail in the before tree too, then don't worry about it.
Thanks. I've been doing this sort of thing as well, and that helps. Running just one test as a confirmation seems to be particularly effective.
paul