Dimitris Vyzovitis wrote:
> Hi,
> 
> I am trying to java -X in order to see the non-standard vm arguments,
> but it coredumps after printing the message!

Well, yes... but at least it happens *after* the message :-). If you want more 
detail on the profiling option (-Xrunhprof:help) you won't get a core dump. 
It's a bug, but not a very critical one.

Nathan

> 
> [dimitris@gauss dimitris]$ java -X
>     -Xbootclasspath:<directories and zip/jar files separated by :>
>                       set search path for bootstrap classes and
> resources
>     -Xnoclassgc       disable class garbage collection
>     -Xms<size>        set initial Java heap size
>     -Xmx<size>        set maximum Java heap size
>     -Xrs              reduce the use of OS signals
>     -Xcheck:jni       perform additional checks for JNI functions
>     -Xrunhprof[:help]|[:<option>=<value>, ...]
>                       perform heap, cpu, or monitor profiling
>     -Xdebug           enable remote debugging
> 
> The -X options are non-standard and subject to change without notice.
> Segmentation fault (core dumped)


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