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how to show source code of jvm

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I am using vtune 2018 in ubuntu16.04 and running hotspots of spark application. After running, I can see function belong to module libjvm.so but can not see the source code of them  after double click it.

 

I tried serverl methods.

1. using openjdk and config source dir as below

-search-dir=/usr/lib/jvm/openjdk-8   -source-search-dir=/usr/lib/jvm/openjdk-8

but still did not show source code.

 

2.using -Xcomp -XX:-UseLoopCounter when launch spark application with amplxe-cl

no source code of libjvm also


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