I don't know where the windows bot output is...  

Which tests are timing out?  

Maybe you ought to skip those tests on Windows for now to reduce the noise?

Jim


> On Aug 14, 2019, at 4:14 PM, Adrian McCarthy <amcca...@google.com> wrote:
> 
> 
> 
> On Wed, Aug 14, 2019 at 2:47 PM Jim Ingham <jing...@apple.com> wrote:
> 
> 
> > On Aug 14, 2019, at 1:41 PM, Adrian Prantl via lldb-dev 
> > <lldb-dev@lists.llvm.org> wrote:
> > 
> > 
> > 
> >> On Aug 14, 2019, at 11:26 AM, Adrian McCarthy via lldb-dev 
> >> <lldb-dev@lists.llvm.org> wrote:
> >> 
> >> A recent change is causing several LLDB tests on Windows to fail and 
> >> several more to time out, which I intend to look into.
> >> 
> >> It appears the timeout period is set to 600 seconds (10 minutes), which 
> >> seems excessive and causes the Windows build bot to spend lots of time 
> >> waiting.  (e.g., 
> >> http://lab.llvm.org:8011/builders/lldb-x64-windows-ninja/builds/7819/steps/test/logs/stdio)
> >> 
> >> Is there a reason why the timeouts are set that long?  What would be a 
> >> reasonable value?
> > 
> > I recently increased/unified several internal timeouts throughout LLDB 
> > (https://reviews.llvm.org/D60340) in reaction to bots failing randomly on 
> > heavily used machines, particularly when ASAN is enabled, which can cause 
> > surprisingly long delays.
> > 
> > Since the normal operation should be that no tests fail, waiting an extra 
> > 10 minutes in the exceptional case that a test does fail seems more 
> > desirable than the chance of a working test failing because of too-small 
> > timeout. Therefore, I'd rather pick an excessively large per-test timeout 
> > to be safe.
> 
> This is a little pedantic, but tests that fail some assert also won't trigger 
> the timeout.  It should only be tests that fail by stalling
> 
> FYI:  There are six tests stalling on Windows.  They've been doing it long 
> enough that the bot history no longer shows the last good build and the grid 
> view never shows anything other than "building" because it can no longer keep 
> up with the rate of submissions.
> 
> There are also many tests actually failing on Windows.  It's time consuming 
> to bisect when the timeouts add 10 minutes to every step.
>  
> - for instance you expected to hit a breakpoint but never did - that trigger 
> the timeout.  That should be even less frequent that just test failures.
> 
> Jim
> 
> > 
> > -- adrian
> > _______________________________________________
> > lldb-dev mailing list
> > lldb-dev@lists.llvm.org
> > https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev

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