Default value for -with_native_debug_symbols on Windows useful?

[Thomas Stüfe]

Hi Erik,

On Fri, Nov 10, 2017 at 12:52 AM, Erik Joelsson <erik.joelsson at oracle.com>
wrote:

> Hello,
>
> On 2017-11-09 15:26, Thomas Stüfe wrote:
>
> Do you think this for all platforms or just for Windows? With removed, do
> you really mean the feature removed, not just the default changed?
>
> I mean for all platforms. I don't see any point in the build wasting time
> on zipping up the debug symbols which also makes them unusable. If someone
> cries out we could leave the feature in, but I would much rather not. Note
> that the bundle target has to unzip them again to put them in the symbols
> bundle, which is the final deliverable of the symbols.
>
> Historically there have been various reasons for this zipping internally
> to Oracle, but I don't think any of those reasons hold up anymore in our
> current JDK 10 infrastructure.
>

I am all for it. We never really used that feature.

Best Regards, Thomas


>
>
> /Erik
>
> Thomas
>
> On Thu 9. Nov 2017 at 19:58, Erik Joelsson <erik.joelsson at oracle.com>
> wrote:
>
>> I agree that the zipped debug symbols are just annoying and should be
>> removed.
>>
>> /Erik
>>
>>
>> On 2017-11-08 22:32, Thomas Stüfe wrote:
>> > Hi all,
>> >
>> > I could reframe the subject matter as "how do you internally at Oracle
>> > build the Windows JDK"?
>> >
>> > I had several discussions with people from Oracle about missing
>> callstacks
>> > in hs-err files on Windows generated in tests which run at Oracle.
>> >
>> > I recently did JDK-8185712, which improves the Windows symbol decoder,
>> so I
>> > feel somewhat responsible. However, I was never able to reproduce
>> anything
>> > - here at SAP, we get nice callstacks and all works well.
>> >
>> > A simple explanation may be that you at Oracle either remove the debug
>> info
>> > (pdb files) from the images before testing and/or build
>> > with -with_native_debug_symbols=zipped . The latter zips the pdb files,
>> > which in that form are useless. Which is it?
>> >
>> > For that matter, do you think -with_native_debug_symbols=zipped makes
>> sense
>> > on Windows? Would it not make more sense to make the default
>> > -with_native_debug_symbols=external on Windows, to have pdb files
>> ready for
>> > debugging and testing?
>> >
>> > Thanks, Thomas
>>
>>
>