[lldb-dev] increase timeout for tests?

Vedant Kumar via lldb-dev lldb-dev at lists.llvm.org
Wed Mar 14 12:18:55 PDT 2018

I got the 22 number from a command which may have counted too much:
find . -name \*TestMi\*.py -exec grep -E "(unittest2\.)?expectedFailure(All)?" {} \;  | wc -l

Some of the 'expectedFailureAll' decorators actually specified an OS list. I'm not planning on touching those.

There were a handful of lldb-mi tests that didn't appear to work at all, and I've filed bugs / deleted those in r327552. If you see something you feel really should stay in tree, we can bring it back.


> On Mar 14, 2018, at 11:27 AM, Ted Woodward via lldb-dev <lldb-dev at lists.llvm.org> wrote:
> I don't see 22 lldb-mi tests xfailed everywhere. I see a lot of tests skipped, but
> those are clearly marked as skip on Windows, FreeBSD, Darwin, Linux. I've got
> a good chunk of the lldb-mi tests running on Hexagon. I don’t want them deleted,
> since I use them.
> lldb-mi tests can be hard to debug, but I found that setting the lldb-mi log to be
> stdout helps a lot. In lldbmi_testcase.py, in spawnLldbMi, add this line:
>    self.child.logfile = sys.stdout
> --
> Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
>> -----Original Message-----
>> From: lldb-dev [mailto:lldb-dev-bounces at lists.llvm.org] On Behalf Of Vedant
>> Kumar via lldb-dev
>> Sent: Tuesday, March 13, 2018 7:48 PM
>> To: Davide Italiano <dccitaliano at gmail.com>
>> Cc: LLDB <lldb-dev at lists.llvm.org>
>> Subject: Re: [lldb-dev] increase timeout for tests?
>> As a first step, I think there's consensus on increasing the test timeout to ~3x
>> the length of the slowest test we know of. That test appears to be
>> TestDataFormatterObjC, which takes 388 seconds on Davide's machine. So I
>> propose 20 minutes as the timeout value.
>> Separately, regarding x-failed pexpect()-backed tests, I propose deleting them
>> if they've been x-failed for over a year. That seems like a long enough time to
>> wait for someone to step up and fix them given that they're a real
>> testing/maintenance burden. For any group of to-be-deleted tests, like the 22
>> lldb-mi tests x-failed in all configurations, I'd file a PR about potentially
>> bringing the tests back. Thoughts?
>> thanks,
>> vedant
>>> On Mar 13, 2018, at 11:52 AM, Davide Italiano <dccitaliano at gmail.com>
>> wrote:
>>> On Tue, Mar 13, 2018 at 11:26 AM, Jim Ingham <jingham at apple.com>
>> wrote:
>>>> It sounds like we timing out based on the whole test class, not the individual
>> tests?  If you're worried about test failures not hanging up the test suite the you
>> really want to do the latter.
>>>> These are all tests that contain 5 or more independent tests.  That's
>> probably why they are taking so long to run.
>>>> I don't object to having fairly long backstop timeouts, though I agree with
>> Pavel that we should choose something reasonable based on the slowest
>> running tests just so some single error doesn't cause test runs to just never
>> complete, making analysis harder.
>>> Vedant (cc:ed) is going to take a look at this as he's babysitting the
>>> bots for the week. I'll defer the call to him.
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