PING: Make -Xprintflags always available

Vladimir Kozlov Vladimir.Kozlov at Sun.COM
Tue Jan 5 10:23:36 PST 2010


I looked through the flag's changes history and I don't see
anything which prevents it from work in product VM.

Gary, do you want PrintFlagsFinal also be a product flag?

Note:
  -Xprintflags prints default values and flags setting specified
on command line before it, after printing VM exit.
  -XX:+PrintFlagsFinal prints final state of all flags which could be
different from default due to ergonomic and platform specific settings,
after printing VM continue execution.

Thanks,
Vladimir

Christian Thalinger wrote:
> On Tue, 2010-01-05 at 10:45 +0000, Gary Benson wrote:
>> Hi all,
>>
>> I mailed this webrev to the list a month ago, and not one person
>> has commented.  Can somebody please look at this for me?
>>
>> Cheers,
>> Gary
>>
>> Gary Benson wrote:
>>> Hi,
>>>
>>> Did anyone have any thoughts on this?  It would be really helpful
>>> for IcedTea if OpenJDK did this generally.
>>>
>>> Cheers,
>>> Gary
>>>
>>> Gary Benson wrote:
>>>> Hi all,
>>>>
>>>> I've been working on a script to test HotSpot with non-standard
>>>> options.  The idea is to start the VM with -XX option and check
>>>> it doesn't crash or anything.
>>>>
>>>> One thing that's proving problematic is getting a list of all
>>>> the options.  We want to test product builds, but -Xprintflags
>>>> is only available on debug builds.
>>>>
>>>> Would it be possible to have -Xprintflags always available?
>>>> Something like this:
>>>>
>>>>   http://cr.openjdk.java.net/~gbenson/printflags-product/
> 
> I think this would be nice to have, but maybe there is a history behind
> that that I don't know.  Someone else has to jump in here.
> 
> -- Christian
> 


More information about the hotspot-dev mailing list