GcRoot¶
sealed class GcRoot
A GcRoot as identified by HprofRecord.HeapDumpRecord.GcRootRecord in the heap dump.
Types¶
| Name | Summary |
|---|---|
| Debugger | class Debugger(val id: Long) : GcRoot An object held by a connected debugger |
| Finalizing | class Finalizing(val id: Long) : GcRoot An object that is in a queue, waiting for a finalizer to run. |
| InternedString | class InternedString(val id: Long) : GcRoot An interned string, see java.lang.String.intern. |
| JavaFrame | class JavaFrame(val id: Long, val threadSerialNumber: Int, val frameNumber: Int) : GcRoot A java local variable |
| JniGlobal | class JniGlobal(val id: Long, val jniGlobalRefId: Long) : GcRoot A global variable in native code. |
| JniLocal | class JniLocal(val id: Long, val threadSerialNumber: Int, val frameNumber: Int) : GcRoot A local variable in native code. |
| JniMonitor | class JniMonitor(val id: Long, val stackTraceSerialNumber: Int, val stackDepth: Int) : GcRoot It’s unclear what this is, documentation welcome. |
| MonitorUsed | class MonitorUsed(val id: Long) : GcRoot Everything that called the wait() or notify() methods, or that is synchronized. |
| NativeStack | class NativeStack(val id: Long, val threadSerialNumber: Int) : GcRoot Input or output parameters in native code |
| ReferenceCleanup | class ReferenceCleanup(val id: Long) : GcRoot It’s unclear what this is, documentation welcome. |
| StickyClass | class StickyClass(val id: Long) : GcRoot A system class |
| ThreadBlock | class ThreadBlock(val id: Long, val threadSerialNumber: Int) : GcRoot |
| ThreadObject | class ThreadObject(val id: Long, val threadSerialNumber: Int, val stackTraceSerialNumber: Int) : GcRoot A thread. |
| Unknown | class Unknown(val id: Long) : GcRoot An unknown gc root. |
| Unreachable | class Unreachable(val id: Long) : GcRoot An object that is unreachable from any other root, but not a root itself. |
| VmInternal | class VmInternal(val id: Long) : GcRoot It’s unclear what this is, documentation welcome. |
Properties¶
| Name | Summary |
|---|---|
| id | abstract val id: Long The object id of the object that this gc root references. |
Inheritors¶
| Name |
|---|
| Unknown |
| JniGlobal |
| JniLocal |
| JavaFrame |
| NativeStack |
| StickyClass |
| ThreadBlock |
| MonitorUsed |
| ThreadObject |
| ReferenceCleanup |
| VmInternal |
| JniMonitor |
| InternedString |
| Finalizing |
| Debugger |
| Unreachable |