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Question re: native threads and entires in coredump [message #1860892]

Thu, 07 September 2023 12:09

Richard Olson

Messages: 25
Registered: April 2010

Junior Member

Good morning,

Hoping someone may provide some guidance.
I'm troubleshooting an issue finding many native threadIds in the coredump via jdmpview info proc and info thread.

For example, info proc shows an id, 121860. info thread reports, thread id: 121860. I know by reading thread id: 121860's stack the actual object's a pool thread with a HEX address. The HEX address equates to the pool thread within the actual coredump.

The question, anyway to correlate native threads to objects found in a coredump read by MAT?

Thanks,
Rich

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Re: Question re: native threads and entires in coredump [message #1861045 is a reply to message #1860892]

Fri, 15 September 2023 09:39

Andrew Johnson

Messages: 205
Registered: July 2009

Senior Member

I don't know. From the thread overview the Native id comes as a string from com.ibm.dtfj.image.ImageThread.getID().
The Thread Details query will show you the native stack, if available in MAT from DTFJ.

The Eclipse Memory Analyzer Tool with DTFJ and IBM Extensions might show you more, and you will probably need that for dumps from Semeru VMs.

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