61     /* implementation specific */
  62 
  63     _tenured_generation_full,
  64     _metadata_GC_threshold,
  65     _metadata_GC_clear_soft_refs,
  66 
  67     _cms_generation_full,
  68     _cms_initial_mark,
  69     _cms_final_remark,
  70     _cms_concurrent_mark,
  71 
  72     _old_generation_expanded_on_last_scavenge,
  73     _old_generation_too_full_to_scavenge,
  74     _adaptive_size_policy,
  75 
  76     _g1_inc_collection_pause,
  77     _g1_humongous_allocation,
  78 
  79     _dcmd_gc_run,
  80 






  81     _last_gc_cause
  82   };
  83 
  84   inline static bool is_user_requested_gc(GCCause::Cause cause) {
  85     return (cause == GCCause::_java_lang_system_gc ||
  86             cause == GCCause::_dcmd_gc_run);
  87   }
  88 
  89   inline static bool is_serviceability_requested_gc(GCCause::Cause
  90                                                              cause) {
  91     return (cause == GCCause::_jvmti_force_gc ||
  92             cause == GCCause::_heap_inspection ||
  93             cause == GCCause::_heap_dump);
  94   }
  95 
  96   // Causes for collection of the tenured gernation
  97   inline static bool is_tenured_allocation_failure_gc(GCCause::Cause cause) {
  98     assert(cause != GCCause::_old_generation_too_full_to_scavenge &&
  99            cause != GCCause::_old_generation_expanded_on_last_scavenge,
 100            "This GCCause may be correct but is not expected yet: %s",

  61     /* implementation specific */
  62 
  63     _tenured_generation_full,
  64     _metadata_GC_threshold,
  65     _metadata_GC_clear_soft_refs,
  66 
  67     _cms_generation_full,
  68     _cms_initial_mark,
  69     _cms_final_remark,
  70     _cms_concurrent_mark,
  71 
  72     _old_generation_expanded_on_last_scavenge,
  73     _old_generation_too_full_to_scavenge,
  74     _adaptive_size_policy,
  75 
  76     _g1_inc_collection_pause,
  77     _g1_humongous_allocation,
  78 
  79     _dcmd_gc_run,
  80 
  81     _z_timer,
  82     _z_warmup,
  83     _z_allocation_rate,
  84     _z_allocation_stall,
  85     _z_proactive,
  86 
  87     _last_gc_cause
  88   };
  89 
  90   inline static bool is_user_requested_gc(GCCause::Cause cause) {
  91     return (cause == GCCause::_java_lang_system_gc ||
  92             cause == GCCause::_dcmd_gc_run);
  93   }
  94 
  95   inline static bool is_serviceability_requested_gc(GCCause::Cause
  96                                                              cause) {
  97     return (cause == GCCause::_jvmti_force_gc ||
  98             cause == GCCause::_heap_inspection ||
  99             cause == GCCause::_heap_dump);
 100   }
 101 
 102   // Causes for collection of the tenured gernation
 103   inline static bool is_tenured_allocation_failure_gc(GCCause::Cause cause) {
 104     assert(cause != GCCause::_old_generation_too_full_to_scavenge &&
 105            cause != GCCause::_old_generation_expanded_on_last_scavenge,
 106            "This GCCause may be correct but is not expected yet: %s",