rmuir commented on pull request #295:
URL: https://github.com/apache/lucene/pull/295#issuecomment-917803069
If the user has java 16 or above, and we pass
`-XX:+UnlockDiagnosticVMOptions -XX:+DumpPerfMapAtExit
-XX:+PreserveFramePointer` to the JVM, we should get java symbol resolution
from `perf` subsystem? Will it help this profiler? I think we can just add
these args guarded by `if (rootProject.runtimeJavaVersion >=
JavaVersion.VERSION_16) {` so that older JVMs still work tool. See
https://bugs.openjdk.java.net/browse/JDK-8254723
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