shark-hprof/shark/GcRoot

GcRoot

sealed class GcRoot

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

Inheritors

Types

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

abstract val id: Long

The object id of the object that this gc root references.