review for 7108242: jinfo -permstat shouldn't report interned strings as part of perm

Christian Thalinger christian.thalinger at oracle.com
Mon Nov 7 02:27:31 PST 2011


Looks good.  -- Chris

On Nov 4, 2011, at 9:09 PM, Tom Rodriguez wrote:

> 
> On Nov 4, 2011, at 10:29 AM, Tom Rodriguez wrote:
> 
>> That seems like a reasonable place to move it.  I'll do that and send out a new webrev.
> 
> I've moved it into HeapSummary.java so it will now be reported as part of jmap -heap.
> 
> tom
> 
> Parallel GC with 8 thread(s)
> 
> Heap Configuration:
>   MinHeapFreeRatio = 40
>   MaxHeapFreeRatio = 70
>   MaxHeapSize      = 1073741824 (1024.0MB)
>   NewSize          = 1048576 (1.0MB)
>   MaxNewSize       = 4294901760 (4095.9375MB)
>   OldSize          = 4194304 (4.0MB)
>   NewRatio         = 2
>   SurvivorRatio    = 8
>   PermSize         = 16777216 (16.0MB)
>   MaxPermSize      = 67108864 (64.0MB)
> 
> Heap Usage:
> PS Young Generation
> Eden Space:
>   capacity = 17301504 (16.5MB)
>   used     = 346136 (0.33010101318359375MB)
>   free     = 16955368 (16.169898986816406MB)
>   2.0006122011126894% used
> From Space:
>   capacity = 2883584 (2.75MB)
>   used     = 0 (0.0MB)
>   free     = 2883584 (2.75MB)
>   0.0% used
> To Space:
>   capacity = 2883584 (2.75MB)
>   used     = 0 (0.0MB)
>   free     = 2883584 (2.75MB)
>   0.0% used
> PS Old Generation
>   capacity = 44040192 (42.0MB)
>   used     = 0 (0.0MB)
>   free     = 44040192 (42.0MB)
>   0.0% used
> PS Perm Generation
>   capacity = 16777216 (16.0MB)
>   used     = 1952152 (1.8617172241210938MB)
>   free     = 14825064 (14.138282775878906MB)
>   11.635732650756836% used
> 
> 613 interned Strings occupying 37008 bytes.
> 
>> 
>> tom
>> 
>> On Nov 3, 2011, at 5:11 PM, Vladimir Kozlov wrote:
>> 
>>> Can you move it to HeapSummary.java?
>>> 
>>> Vladimir
>>> 
>>> Tom Rodriguez wrote:
>>>> http://cr.openjdk.java.net/~never/7108242
>>>> 38 lines changed: 0 ins; 38 del; 0 mod; 279 unchg
>>>> 7108242: jinfo -permstat shouldn't report interned strings as part of perm
>>>> Reviewed-by:
>>>> jinfo -permstat still reports interned strings as part of the perm gen
>>>> which is no longer true.  It should be dropped.
>> 
> 



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