Re: Matching Java thread-ID to native Linux PID - Sun Java 1.5.x

Newsgroups	comp.lang.java.help
Date	2019-07-31 15:51 -0700
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Message-ID	<6dcd70bc-48b2-45e5-a2f3-10abe732bda2@googlegroups.com> (permalink)
Subject	Re: Matching Java thread-ID to native Linux PID - Sun Java 1.5.x
From	skelly@relianceco.com

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On Wednesday, November 24, 2010 at 5:03:31 PM UTC-8, markspace wrote:
> On 11/24/2010 10:57 AM, Federico Cozzi wrote:
> > I hoped that matching java thread-IDs to native linux PIDs was
> > easier...
> 
> 
> Just found this poking around late today.  It describes how to match a 
> Solaris thread to a Java thread.  I wonder if other 'nix are similar?
> 
> <http://www.camelrichard.org/matching-java-thread-nid-tid-solaris-10-threads-using-pstack>
> 
> It seems based on the "nid" of the Java thread dump.  nid = native ID 
> perhaps?

9 years later.... I just confirmed that yes: "nid" in jcmd threaddump output from JDK 1.8 is indeed a hex encoded value of the Linux system PID on an Ubuntu server. We had a thread in the threaddump nid=760 and this correlated to Linux PID 1888 correctly.

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Re: Matching Java thread-ID to native Linux PID - Sun Java 1.5.x skelly@relianceco.com - 2019-07-31 15:51 -0700

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