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Explanation of the HotSpot JVM -XX:+PrintCompilation Output (Doc ID 1448597.1)

Last updated on NOVEMBER 15, 2020

Applies to:

Java Platform, Standard Edition - Version 1.3.1 to 7 [Release 1.3 to 7]
Information in this document applies to any platform.


This document explains the format of the output of the -XX:+PrintCompilation flag.  The format was updated at 6u25.  Both old and new output formats are explained.


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In this Document
 The output format of -XX:+PrintCompilation on Java 2 1.3.1 up to JavaSE 6u24
 Java6 6u25 and later, and Java7
 Output when Tiered Compilation is enabled

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