src/share/vm/gc/shared/gcCause.hpp

rev 8545 : 7012980: PSOldGen is increased if there is no space in Metaspace
Reviewed-by:
* * *
imported patch is_system_gc

*** 90,99 ****
--- 90,128 ----
      return (cause == GCCause::_jvmti_force_gc ||
              cause == GCCause::_heap_inspection ||
              cause == GCCause::_heap_dump);
    }
  
+   // Causes for collection of the tenured gernation
+   inline static bool is_tenured_allocation_failure_gc(GCCause::Cause cause) {
+     assert(cause != GCCause::_old_generation_too_full_to_scavenge &&
+       cause != GCCause::_old_generation_expanded_on_last_scavenge,
+       err_msg("This GCCause may be correct but is not expected yet: %s",
+       to_string(cause)));
+     // _tenured_generation_full or _cms_generation_full for full tenured generations
+     // _adaptive_size_policy for a full collection after a young GC
+     // _allocation_failure is the generic cause a collection which could result
+     // in the collection of the tenured generation if there is not enough space
+     // in the tenured generation to support a young GC.
+     // _last_ditch_collection is a collection done to include SoftReferences.
+     return (cause == GCCause::_tenured_generation_full ||
+             cause == GCCause::_cms_generation_full ||
+             cause == GCCause::_adaptive_size_policy ||
+             cause == GCCause::_allocation_failure ||
+             cause == GCCause::_last_ditch_collection);
+   }
+ 
+   // Causes for collection of the young generation
+   inline static bool is_allocation_failure_gc(GCCause::Cause cause) {
+     // _allocation_failure is the generic cause a collection for allocation failure
+     // _adaptive_size_policy is for a collecton done before a full GC
+     // _last_ditch_collection is a collection done to include SoftReferences.
+     return (cause == GCCause::_allocation_failure ||
+             cause == GCCause::_adaptive_size_policy ||
+             cause == GCCause::_last_ditch_collection);
+   }
+ 
    // Return a string describing the GCCause.
    static const char* to_string(GCCause::Cause cause);
  };
  
  // Helper class for doing logging that includes the GC Cause