7.8.3 -XX:[+|-]HitachiOutOfMemoryAbortThreadDumpWithJHeapProf

-XX:[+|-]HitachiOutOfMemoryAbortThreadDumpWithJHeapProf outputs class-wide statistics to the thread dump log file that is output when an OutOfMemoryError occurs.

Description

-XX:[+|-]HitachiOutOfMemoryAbortThreadDumpWithJHeapProf specifies whether to output class-wide statistics to the thread dump log file that is output when -XX:+HitachiOutOfMemoryAbortThreadDump is specified.

If G1GC is used, this functionality is disabled. If the option that enables this functionality is specified when G1GC is being used, the specification is not applied, and the functionality is disabled.

Prerequisite options

-XX:+HitachiOutOfMemoryAbort
-XX:+HitachiOutOfMemoryAbortThreadDump
-XX:+HitachiThreadDump

Syntax

-XX:[+|-]HitachiOutOfMemoryAbortThreadDumpWithJHeapProf

Specifiable values

Type: String

-XX:+HitachiOutOfMemoryAbortThreadDumpWithJHeapProf: Outputs class-wide statistics to the thread dump log file that is output when -XX:+HitachiOutOfMemoryAbortThreadDump is specified.
-XX:-HitachiOutOfMemoryAbortThreadDumpWithJHeapProf: Does not output class-wide statistics to the thread dump log file that is output when -XX:+HitachiOutOfMemoryAbortThreadDump is specified.

Default value

If the definition item is omitted:: -XX:-HitachiOutOfMemoryAbortThreadDumpWithJHeapProf

Example

Java Heap Profile
-----------------------
________________Size__Instances__Class________________
              856560          5 [Ljava.io.ObjectStreamField;
              113488          2 java.lang.ThreadGroup
              113280          2 [Ljava.lang.Thread;
              108264          2 java.io.PrintStream
...
                  64          1 classA
...
                  32          1 classB
...
                  16          1 classD
...
                  16          1 classC
...

To Page Top