Module openj9.dtfj

Package com.ibm.dtfj.java.javacore

Class JCJavaRuntimeMemoryCategory

java.lang.Object

com.ibm.dtfj.java.javacore.JCJavaRuntimeMemoryCategory

All Implemented Interfaces:

JavaRuntimeMemoryCategory

public class JCJavaRuntimeMemoryCategory
extends Object
implements JavaRuntimeMemoryCategory

Constructor Summary

Constructors

Constructor	Description
JCJavaRuntimeMemoryCategory(String name, long deepBytes, long deepAllocations)

Method Summary

Modifier and Type	Method	Description
void	addChild(JavaRuntimeMemoryCategory child)
Iterator	getChildren()	Gets iterator of child categories.
long	getDeepAllocations()	Gets number of allocations recorded against this category, and all children of this category.
long	getDeepBytes()	Gets number of bytes recorded against this category, and all children of this category.
Iterator	getMemorySections(boolean includeFreed)	Gets iterator of memory sections allocated against this category.
String	getName()	Gets the name of this category.
long	getShallowAllocations()	Gets number of allocations recorded against this category.
long	getShallowBytes()	Gets number of bytes allocated under this category.
void	setShallowCounters(long shallowBytes, long shallowAllocations)

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

JCJavaRuntimeMemoryCategory

public JCJavaRuntimeMemoryCategory(String name,
 long deepBytes,
 long deepAllocations)

Method Details

getChildren

public Iterator getChildren()

Description copied from interface: JavaRuntimeMemoryCategory

Gets iterator of child categories.

Specified by:

getChildren in interface JavaRuntimeMemoryCategory

Returns:

Iterator of JavaRuntimeMemoryCategory objects that are immediate children of this category.

addChild

public void addChild(JavaRuntimeMemoryCategory child)

getDeepAllocations

public long getDeepAllocations()

Description copied from interface: JavaRuntimeMemoryCategory

Gets number of allocations recorded against this category, and all children of this category.

Specified by:

getDeepAllocations in interface JavaRuntimeMemoryCategory

Returns:

Allocation count.

getDeepBytes

public long getDeepBytes()

Description copied from interface: JavaRuntimeMemoryCategory

Gets number of bytes recorded against this category, and all children of this category.

Specified by:

getDeepBytes in interface JavaRuntimeMemoryCategory

Returns:

Number of bytes.

getMemorySections

public Iterator getMemorySections(boolean includeFreed)

Description copied from interface: JavaRuntimeMemoryCategory

Gets iterator of memory sections allocated against this category.

Specified by:

getMemorySections in interface JavaRuntimeMemoryCategory

Parameters:

includeFreed - If true, iterator will iterate over blocks of memory that have been freed, but haven't been re-used yet.

Returns:

Iterator of memory sections

See Also:

• CorruptData

getName

public String getName()

Description copied from interface: JavaRuntimeMemoryCategory

Gets the name of this category. E.g. "Classes".

Specified by:

getName in interface JavaRuntimeMemoryCategory

Returns:

Name string.

setShallowCounters

public void setShallowCounters(long shallowBytes,
 long shallowAllocations)

getShallowAllocations

public long getShallowAllocations()

Description copied from interface: JavaRuntimeMemoryCategory

Gets number of allocations recorded against this category.

Specified by:

getShallowAllocations in interface JavaRuntimeMemoryCategory

Returns:

Allocation count.

getShallowBytes

public long getShallowBytes()

Description copied from interface: JavaRuntimeMemoryCategory

Gets number of bytes allocated under this category.

Specified by:

getShallowBytes in interface JavaRuntimeMemoryCategory

Returns:

Number of bytes.