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How to list syntax and available tags for -Xlog

Tags:

jvm

java-9

OpenJDK 9's new Unified JVM Logging can filter logs by tags, but the JEP does not provide a list of all available tags. How can I list all available arguments?

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the8472 Avatar asked Jan 16 '17 14:01

the8472


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1 Answers

java -Xlog:help prints the argument syntax, including the list of tags available in that particular version, which may change over time.

Note that logging with -Xlog:<tag> may not print everything related to that tag since it requires the log message to only have that tag. Use -Xlog:<tag>* instead to include messages containing multiple tags.

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the8472 Avatar answered Sep 23 '22 02:09

the8472