[lldb-dev] What's the purpose of the TestStarted-XXX and TestFinished-XXX files?

[Adrian McCarthy via lldb-dev]

Thanks.  I have a patch out that removes the files that I'll probably
submit today.

On Thu, Mar 10, 2016 at 1:44 AM, Pavel Labath <labath at google.com> wrote:

> I don't think anyone is relying on these. We should just stop creating
> them altogether.
>
> We are using the *.log files to track test results over time, but we
> don't need these files there. You can detect crashing tests by the
> fact that the log files don't have a "TestResult-" (Success, Failure,
> Error, ...) prefix. We have a script for doing that here
> <
> https://android.googlesource.com/platform/external/lldb-utils/+/lldb-master-dev/buildbotScripts/logParser/doParse.py
> >,
> but it's very specific to our buildbot setup, so it may not be very
> useful to you...
>
>
>
> On 9 March 2016 at 23:04, Greg Clayton via lldb-dev
> <lldb-dev at lists.llvm.org> wrote:
> > I would be happy to see these files go away if no one is using them...
> >
> >> On Mar 9, 2016, at 2:32 PM, Adrian McCarthy via lldb-dev <
> lldb-dev at lists.llvm.org> wrote:
> >>
> >> The test traces directory tends to accumulate thousands and thousands
> of TestStarted-XXX and TestFinished-XXX files.  What purpose do they serve?
> >>
> >> I assume it's for trying to figure out why something went wrong.  If
> you have a TestStarted-123 without a corresponding TestFinished-123, then
> you can know that a test crashes and by looking inside the file, you can
> see which test and what the command was.
> >>
> >> If that's the case, then wouldn't it be cleaner to delete the
> TestStarted file when the test finishes rather than writing a second file?
> Then you can simply search for TestStarted files to see the ones that
> didn't finish successfully without the noise of thousands of others that
> did.
> >>
> >> I suppose it's also possible that some other process is looking at
> these files in order to collect statistics.  Is there such a beast and is
> it valuable?
> >>
> >> Adrian.
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