-XX:-PrintCompilation doesn't output

Y. Srinivas Ramakrishna Y.S.Ramakrishna at Sun.COM
Thu Nov 19 16:39:00 PST 2009


On 11/19/09 16:25, David Schlosnagle wrote:
> I wanted to pass on the following link as I know it has helped me in
> the past find the definitions for some of the more hidden HotSpot JVM
> options and which version they were introduced. If I get a chance I
> could take a stab at grepping out the new options for JDK 7.

Thanks for the link, i believe a rather popular one, as
yr favourite search engine will reveal. (Thank you Joe, hereby bcc'd,
for compiling & maintaining this!) An added plus would be to specify
for each of the "version" columns, also a default setting/value
may be? (Joe?)

> 
> http://blogs.sun.com/watt/resource/jvm-options-list.html
> 
> - Dave

-- ramki

> 
> 
> On Thu, Nov 19, 2009 at 7:08 PM, Y. Srinivas Ramakrishna
> <Y.S.Ramakrishna at sun.com> wrote:
>> On 11/19/09 16:01, Ulf Zibis wrote:
>>> I found out the reason, I should use "-XX:+PrintCompilation"
>>>
>>> Don't know, why '-' is stated here:
>>> http://java.sun.com/javase/technologies/hotspot/vmoptions.jsp#DebuggingOptions
>>
>> The "-" (read "minus") specifies the default status of this option (i.e.
>> off, disabled).
>> (For other options where you see a "+", the default setting is "on". I admit
>> this can be a somewhat confusing documentation convention, at least at first
>> glance,
>> and takes some getting used to.)
>>
>> -- ramki
>>
>>>
>>> -Ulf
>>>
>>> Am 19.11.2009 10:59, Ulf Zibis schrieb:
>>>> I've set "-XX:-PrintCompilation" on fastdebug-build jdk1.7.0_b76, but got
>>>> nothing than:
>>>>
>>>> VM option '-PrintCompilation'
>>>>
>>>> Any ideas ?
>>>>
>>>> -Ulf
>>>>
>>>>
>>>>
>>



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