linux-kernel - Thread Affinity structure

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Message-ID: <AANLkTinbnrAMMKVZSBQChtZjUyw6Yk1otp8xmqJNvWm3@mail.gmail.com>
Date:	Fri, 4 Feb 2011 12:11:13 -0500
From:	Sri Ram Vemulpali <sri.ram.gmu06@...il.com>
To:	Kernel-newbies <kernelnewbies@...linux.org>,
	linux-kernel-mail <linux-kernel@...r.kernel.org>
Subject: Thread Affinity structure

Hi all,

    I have doubt regarding how the thread affinity (to processor) is
defined in a process (task). If there is only single thread in a
process, then when process calls itself on binding to a core, will let
run on that core forever. But, what if there are multiple threads, in
a process (task). If the main thread calls set affinity to a core, is
it going to get inherited to all other threads, or just the calling
thread in a task. What happens when forked a process with threads that
has affinity to a core. Please can anyone point me to the literature
on this. Thanks in advance.

-- 
Regards,
Sri.
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