src/utils/LogCompilation/README
author herrick
Wed, 20 Nov 2019 10:17:37 -0500
branchJDK-8200758-branch
changeset 59160 e90068e7afa1
parent 48170 3af0ab7d1d90
permissions -rw-r--r--
JDK-8234402: revert change that stopped providing JPackageToolProvider Reviewed-by: asemenyuk, almatvee, kcr
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This is a very rough tool for parsing -XX:+LogCompilation output.
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It's main purpose is to recreate output similar to
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-XX:+PrintCompilation -XX:+PrintInlining output from a debug JVM.  It
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requires a 1.5 JDK to build and simply typing make should build it.
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It produces a jar file, logc.jar, that can be run on the
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HotSpot log (by default, hotspot_pid{pid}.log) from LogCompilation output like this:
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  java -jar logc.jar hotspot_pid1234.log
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This will produce something like the normal PrintCompilation output.
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Adding the -i option with also report inlining like PrintInlining.
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More information about the LogCompilation output can be found at
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https://wiki.openjdk.java.net/display/HotSpot/LogCompilation+overview
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https://wiki.openjdk.java.net/display/HotSpot/PrintCompilation
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https://wiki.openjdk.java.net/display/HotSpot/LogCompilation+tool
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The project layout is now for Maven. To build the project with Maven do:
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  mvn clean install
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The build also copies the resulting target jar to ./logc.jar for easy 
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interop with the Makefile build.