| Enum |
Readable |
Description |
| _no_gc |
No GC |
未发生过GC |
| _java_lang_system_gc |
System.gc() |
通过System.gc()触发的GC，在HotSpot虚拟机中该操作触发FullGC，通过-XX:-DisableExplicitGC可以禁止该操作触发FullGC |
| _full_gc_alot |
FullGCAlot |
|
| _scavenge_alot |
ScavengeAlot |
|
| _allocation_profiler |
Allocation Profiler |
|
| _jvmti_force_gc |
JvmtiEnv ForceGarbageCollection |
通过jvmti调用JvmtiEnv::ForceGarbageCollection()触发的强制GC |
| _allocation_failure |
Allocation Failure |
|
| _gc_locker |
GCLocker Initiated GC |
|
| _heap_inspection |
Heap Inspection Initiated GC |
在使用命令jmap -histo:live时触发的GC |
| _heap_dump |
Heap Dump Initiated GC |
在使用命令jmap -dump:live,时触发的GC |
| _tenured_generation_full |
Tenured Generation Full |
|
| _permanent_generation_full |
Permanent Generation Full |
|
| _cms_generation_full |
CMS Generation Full |
|
| _cms_initial_mark |
CMS Initial Mark |
|
| _cms_final_remark |
CMS Final Remark |
|
| _old_generation_expanded_on_last_scavenge |
Old Generation Expanded On Last Scavenge |
|
| _old_generation_too_full_to_scavenge |
Old Generation Too Full To Scavenge |
|
| _last_ditch_collection |
Last ditch collection |
|
| _last_gc_cause |
ILLEGAL VALUE - last gc cause - ILLEGAL VALUE |
|
| *other* |
unknown GCCause |
|