Currently clhsdb commands like 'jhisto' do not work for ZGC. For this, we would need changes in share/classes/sun/jvm/hotspot/oops/ObjectHeap.java to the method collectLiveRegions(). This would need to include code to iterate through the Zpages, and collect the live regions.
            
- duplicates
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                    JDK-8207843 SA: Add support for Object Histogram with ZGC -           
- Closed
 
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- relates to
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                    JDK-8209163 SA: Show Object Histogram asserts with ZGC -           
- Resolved
 
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                    JDK-8207843 SA: Add support for Object Histogram with ZGC -           
- Closed
 
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