//shark-hprof/shark/GcRoot

GcRoot

[jvm]
sealed class GcRoot

A GcRoot as identified by HprofRecord.HeapDumpRecord.GcRootRecord in the heap dump.

Types

Name	Summary
Debugger	[jvm] class Debugger(id: Long) : GcRoot An object held by a connected debugger
Finalizing	[jvm] class Finalizing(id: Long) : GcRoot An object that is in a queue, waiting for a finalizer to run.
InternedString	[jvm] class InternedString(id: Long) : GcRoot An interned string, see java.lang.String.intern.
JavaFrame	[jvm] class JavaFrame(id: Long, threadSerialNumber: Int, frameNumber: Int) : GcRoot A java local variable
JniGlobal	[jvm] class JniGlobal(id: Long, jniGlobalRefId: Long) : GcRoot A global variable in native code.
JniLocal	[jvm] class JniLocal(id: Long, threadSerialNumber: Int, frameNumber: Int) : GcRoot A local variable in native code.
JniMonitor	[jvm] class JniMonitor(id: Long, stackTraceSerialNumber: Int, stackDepth: Int) : GcRoot It's unclear what this is, documentation welcome.
MonitorUsed	[jvm] class MonitorUsed(id: Long) : GcRoot Everything that called the wait() or notify() methods, or that is synchronized.
NativeStack	[jvm] class NativeStack(id: Long, threadSerialNumber: Int) : GcRoot Input or output parameters in native code
ReferenceCleanup	[jvm] class ReferenceCleanup(id: Long) : GcRoot It's unclear what this is, documentation welcome.
StickyClass	[jvm] class StickyClass(id: Long) : GcRoot A system class
ThreadBlock	[jvm] class ThreadBlock(id: Long, threadSerialNumber: Int) : GcRoot
ThreadObject	[jvm] class ThreadObject(id: Long, threadSerialNumber: Int, stackTraceSerialNumber: Int) : GcRoot A thread.
Unknown	[jvm] class Unknown(id: Long) : GcRoot An unknown gc root.
Unreachable	[jvm] class Unreachable(id: Long) : GcRoot An object that is unreachable from any other root, but not a root itself.
VmInternal	[jvm] class VmInternal(id: Long) : GcRoot It's unclear what this is, documentation welcome.

Properties

Name	Summary
id	[jvm] 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