RFR(XS): 8134583: sun.management.HotspotCompilation should handle absence of per-thread perf counters

[Jaroslav Bachorik]

Hi,

On 27.8.2015 14:41, Claes Redestad wrote:
> Hi,
>
> please review this patch to clean up and make
> sun.management.HotspotCompilation
> behave nice if the VM would decide to no longer expose per-compiler
> thread perf counters:
>
> webrev: http://cr.openjdk.java.net/~redestad/jdk9/8134583/webrev.00/
> bug: https://bugs.openjdk.java.net/browse/JDK-8134583

When already changing this wouldn't it be easier to convert the 
'threads' variable to List<CompilerThreadStat> and only add the info for 
existing compilers threads (eg. not leaving NULL slots in the array).

In 'getCompilerThreadStats' method the 'threads' array is converted to a 
list anyway.

-JB-

>
> /Claes