X-Received: by 2002:a37:ac1a:: with SMTP id e26mr85046574qkm.231.1564613511596; Wed, 31 Jul 2019 15:51:51 -0700 (PDT) X-Received: by 2002:a5b:64a:: with SMTP id o10mr52132633ybq.188.1564613511440; Wed, 31 Jul 2019 15:51:51 -0700 (PDT) Path: csiph.com!weretis.net!feeder6.news.weretis.net!feeder.usenetexpress.com!feeder-in1.iad1.usenetexpress.com!border1.nntp.dca1.giganews.com!nntp.giganews.com!b26no22636qtq.0!news-out.google.com!a5ni703qtd.0!nntp.google.com!b26no22629qtq.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.java.help Date: Wed, 31 Jul 2019 15:51:50 -0700 (PDT) In-Reply-To: Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=2601:647:cc00:142c:556c:cd6b:86c8:ff7c; posting-account=UDw1TgoAAACHWK5Si0wloY-1miL74ahX NNTP-Posting-Host: 2601:647:cc00:142c:556c:cd6b:86c8:ff7c References: <912b915d-9ceb-402b-b0af-aaad1f7af3c0@w18g2000vbe.googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <6dcd70bc-48b2-45e5-a2f3-10abe732bda2@googlegroups.com> Subject: Re: Matching Java thread-ID to native Linux PID - Sun Java 1.5.x From: skelly@relianceco.com Injection-Date: Wed, 31 Jul 2019 22:51:51 +0000 Content-Type: text/plain; charset="UTF-8" Lines: 15 Xref: csiph.com comp.lang.java.help:4302 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? > > > > 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.