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src/hotspot/share/gc/shared/gcCause.cpp

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rev 52572 : JDK-8212657: Implementation of JDK-8204089 Promptly Return Unused Committed Memory from G1
Summary: Issue optional, default enabled, concurrent cycles when the VM is idle to reclaim unused internal and Java heap memory.
Reviewed-by:
Contributed-by: Rodrigo Bruno <rbruno@gsd.inesc-id.pt>, Ruslan Synytsky <rs@jelastic.com>, Thomas Schatzl <thomas.schatzl@oracle.com>


  85       return "CMS Final Remark";
  86 
  87     case _cms_concurrent_mark:
  88       return "CMS Concurrent Mark";
  89 
  90     case _old_generation_expanded_on_last_scavenge:
  91       return "Old Generation Expanded On Last Scavenge";
  92 
  93     case _old_generation_too_full_to_scavenge:
  94       return "Old Generation Too Full To Scavenge";
  95 
  96     case _adaptive_size_policy:
  97       return "Ergonomics";
  98 
  99     case _g1_inc_collection_pause:
 100       return "G1 Evacuation Pause";
 101 
 102     case _g1_humongous_allocation:
 103       return "G1 Humongous Allocation";
 104 



 105     case _dcmd_gc_run:
 106       return "Diagnostic Command";
 107 
 108     case _z_timer:
 109       return "Timer";
 110 
 111     case _z_warmup:
 112       return "Warmup";
 113 
 114     case _z_allocation_rate:
 115       return "Allocation Rate";
 116 
 117     case _z_allocation_stall:
 118       return "Allocation Stall";
 119 
 120     case _z_proactive:
 121       return "Proactive";
 122 
 123     case _last_gc_cause:
 124       return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE";



  85       return "CMS Final Remark";
  86 
  87     case _cms_concurrent_mark:
  88       return "CMS Concurrent Mark";
  89 
  90     case _old_generation_expanded_on_last_scavenge:
  91       return "Old Generation Expanded On Last Scavenge";
  92 
  93     case _old_generation_too_full_to_scavenge:
  94       return "Old Generation Too Full To Scavenge";
  95 
  96     case _adaptive_size_policy:
  97       return "Ergonomics";
  98 
  99     case _g1_inc_collection_pause:
 100       return "G1 Evacuation Pause";
 101 
 102     case _g1_humongous_allocation:
 103       return "G1 Humongous Allocation";
 104 
 105     case _g1_periodic_collection:
 106       return "G1 Periodic Collection";
 107 
 108     case _dcmd_gc_run:
 109       return "Diagnostic Command";
 110 
 111     case _z_timer:
 112       return "Timer";
 113 
 114     case _z_warmup:
 115       return "Warmup";
 116 
 117     case _z_allocation_rate:
 118       return "Allocation Rate";
 119 
 120     case _z_allocation_stall:
 121       return "Allocation Stall";
 122 
 123     case _z_proactive:
 124       return "Proactive";
 125 
 126     case _last_gc_cause:
 127       return "ILLEGAL VALUE - last gc cause - ILLEGAL VALUE";
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