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Re: thread id and process id in 2.6 kernel

From: fche at redhat dot com (Frank Ch. Eigler)
To: Guang Lei Li <liguangl at cn dot ibm dot com>
Cc: systemtap at sources dot redhat dot com
Date: 09 Nov 2005 11:15:09 -0500
Subject: Re: thread id and process id in 2.6 kernel
References: <OFCB925148.E1828540-ON482570B4.002D036E-482570B4.002D6C59@cn.ibm.com>

Guang Lei Li <liguangl@cn.ibm.com> writes:

>   In the 2.6 kernel, we should use tgid in task_struct as the process id. 
> And pid in task_struct should be thread id, although in a single thread 
> application pid == tgid.
> [...]

You're exactly right.  When finding such bugs, it may be best to go
straight to bugzilla, and open a bug against the component in question
("tapset" in this case).  In this case, I'll commit your fix.

- FChE

References:
- thread id and process id in 2.6 kernel
  - From: Guang Lei Li

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