RFR: 8373096: JFR: Path-to-gc-roots search should be non-recursive [v3]

[Thomas Stuefe]

On Wed, 28 Jan 2026 20:36:34 GMT, Erik Gahlin <egahlin at openjdk.org> wrote:

>> Thomas Stuefe has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   dont incremement _num_objects_processed for follow-up chunks
>
> test/jdk/jdk/jfr/jcmd/TestJcmdDumpPathToGCRootsDFSBase.java line 67:
> 
>> 65:                 File recording = new File(jfrFileName + r.getId() + ".jfr");
>> 66:                 recording.delete();
>> 67:                 JcmdHelper.jcmd("JFR.dump", "name=dodo", pathToGcRoots, "filename=" + recording.getAbsolutePath());
> 
> Why do we need to do this using jcmd?

Hmm, I just followed the same approach as `TestJcmdDumpPathToGCRoots`. I guess the alternative would be to start a child process JVM with -XX:StartFlightRecording dumponexit=true?

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PR Review Comment: https://git.openjdk.org/jdk/pull/29382#discussion_r2741088293