RFR (S): 8010294: Refactor HeapInspection to make it more reusable

[Bengt Rutisson]

Hi Erik,

Changes look good!

One minor nit. I think the test contains the wrong bug number:

* @bug 8004924

Bengt

On 3/25/13 9:32 AM, Erik Helin wrote:
> All,
>
> I have updated the change based on internal feedback.
>
> The changes between webrev.00 and webrev.01 are mostly in the test code:
> - The test uses correct @summary description
> - The test now uses the correct command line flags
> - The test is more documented to describe how the test code is run
>
> There is also a very minor change in the hotspot code. I am now using 
> the operator != instead of operator > when comparing the missed count. 
> This was done just to make the diff one line smaller :)
>
> Please see new webrev at:
> http://cr.openjdk.java.net/~ehelin/8010294/webrev.01/
>
> Thanks,
> Erik
>
> On 03/22/2013 10:06 AM, Erik Helin wrote:
>> Hi all,
>>
>> I have refactored the HeapInspection class to prepare for the
>> vm/gc/detailed/object_count_after_gc event.
>>
>> The refactoring mainly consists of breaking up the rather long
>> heap_inspect function to multiple small functions that can be reused.
>>
>> I also moved the public enums used to initialize KlassInfoTable and
>> KlassInfoHisto to private constants. Now they no longer have to be
>> passed as an argument to the constructor.
>>
>> I also added a test to ensure that my refactoring did not break anything
>> (the test is not that extensive but at least it ensures that the basic
>> stuff is working).
>>
>> Webrev:
>> http://cr.openjdk.java.net/~ehelin/8010294/webrev.00/
>>
>> Bug:
>> http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8010294
>>
>> Testing:
>> - JPRT
>> - A new jtreg test (see webrev)
>>
>> Thanks,
>> Erik
>

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