Module openj9.dtfj

Package com.ibm.j9ddr.vm29.view.dtfj.java

Class DTFJJavaRuntimeMemoryCategory

java.lang.Object

com.ibm.j9ddr.vm29.view.dtfj.java.DTFJJavaRuntimeMemoryCategory

All Implemented Interfaces:

JavaRuntimeMemoryCategory

public class DTFJJavaRuntimeMemoryCategory
extends Object
implements JavaRuntimeMemoryCategory

Constructor Summary

Constructors

Constructor	Description
DTFJJavaRuntimeMemoryCategory(JavaRuntime runtime, com.ibm.j9ddr.vm29.pointer.generated.OMRMemCategoryPointer category)

Method Summary

Modifier and Type	Method	Description
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.

Methods declared in class java.lang.Object

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

Constructor Details

DTFJJavaRuntimeMemoryCategory

public DTFJJavaRuntimeMemoryCategory(JavaRuntime runtime,
 com.ibm.j9ddr.vm29.pointer.generated.OMRMemCategoryPointer category)

Method Details

getChildren

public Iterator<?> getChildren()
                        throws CorruptDataException

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.

Throws:

CorruptDataException

getDeepAllocations

public long getDeepAllocations()
                        throws CorruptDataException

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.

Throws:

CorruptDataException

getDeepBytes

public long getDeepBytes()
                  throws CorruptDataException

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.

Throws:

CorruptDataException

getMemorySections

public Iterator<?> getMemorySections(boolean includeFreed)
                              throws CorruptDataException,
DataUnavailable

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

Throws:

CorruptDataException

DataUnavailable

See Also:

• CorruptData

getName

public String getName()
               throws CorruptDataException

Description copied from interface: JavaRuntimeMemoryCategory

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

Specified by:

getName in interface JavaRuntimeMemoryCategory

Returns:

Name string.

Throws:

CorruptDataException

getShallowAllocations

public long getShallowAllocations()
                           throws CorruptDataException

Description copied from interface: JavaRuntimeMemoryCategory

Gets number of allocations recorded against this category.

Specified by:

getShallowAllocations in interface JavaRuntimeMemoryCategory

Returns:

Allocation count.

Throws:

CorruptDataException

getShallowBytes

public long getShallowBytes()
                     throws CorruptDataException

Description copied from interface: JavaRuntimeMemoryCategory

Gets number of bytes allocated under this category.

Specified by:

getShallowBytes in interface JavaRuntimeMemoryCategory

Returns:

Number of bytes.

Throws:

CorruptDataException