60     _allocation_failure,
 61 
 62     /* implementation specific */
 63 
 64     _codecache_GC_threshold,
 65     _codecache_GC_aggressive,
 66     _metadata_GC_threshold,
 67     _metadata_GC_clear_soft_refs,
 68 
 69     _adaptive_size_policy,
 70 
 71     _g1_inc_collection_pause,
 72     _g1_compaction_pause,
 73     _g1_humongous_allocation,
 74     _g1_periodic_collection,
 75 
 76     _dcmd_gc_run,
 77 
 78     _shenandoah_stop_vm,
 79     _shenandoah_allocation_failure_evac,

 80     _shenandoah_concurrent_gc,
 81     _shenandoah_upgrade_to_full_gc,
 82 
 83     _z_timer,
 84     _z_warmup,
 85     _z_allocation_rate,
 86     _z_allocation_stall,
 87     _z_proactive,
 88     _z_high_usage,
 89 
 90     _last_gc_cause
 91   };
 92 
 93   inline static bool is_user_requested_gc(GCCause::Cause cause) {
 94     return (cause == GCCause::_java_lang_system_gc ||
 95             cause == GCCause::_dcmd_gc_run);
 96   }
 97 
 98   inline static bool is_explicit_full_gc(GCCause::Cause cause) {
 99     return (is_user_requested_gc(cause) ||

 60     _allocation_failure,
 61 
 62     /* implementation specific */
 63 
 64     _codecache_GC_threshold,
 65     _codecache_GC_aggressive,
 66     _metadata_GC_threshold,
 67     _metadata_GC_clear_soft_refs,
 68 
 69     _adaptive_size_policy,
 70 
 71     _g1_inc_collection_pause,
 72     _g1_compaction_pause,
 73     _g1_humongous_allocation,
 74     _g1_periodic_collection,
 75 
 76     _dcmd_gc_run,
 77 
 78     _shenandoah_stop_vm,
 79     _shenandoah_allocation_failure_evac,
 80     _shenandoah_humongous_allocation_failure,
 81     _shenandoah_concurrent_gc,
 82     _shenandoah_upgrade_to_full_gc,
 83 
 84     _z_timer,
 85     _z_warmup,
 86     _z_allocation_rate,
 87     _z_allocation_stall,
 88     _z_proactive,
 89     _z_high_usage,
 90 
 91     _last_gc_cause
 92   };
 93 
 94   inline static bool is_user_requested_gc(GCCause::Cause cause) {
 95     return (cause == GCCause::_java_lang_system_gc ||
 96             cause == GCCause::_dcmd_gc_run);
 97   }
 98 
 99   inline static bool is_explicit_full_gc(GCCause::Cause cause) {
100     return (is_user_requested_gc(cause) ||