linux-kernel - Re: looking for a function

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Message-Id: <1221573632.6103.83.camel@spike.firmix.at>
Date:	Tue, 16 Sep 2008 16:00:32 +0200
From:	Bernd Petrovitsch <bernd@...mix.at>
To:	Xu Yang <risingsunxy@...glemail.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: looking for a function

Hi!

On Tue, 2008-09-16 at 14:50 +0200, Xu Yang wrote:
> Hi guys,
> 
> I am looking for a function that can show me the current thread is
> running on which cpu.

> e.g I am using pthread to write a multithreaded program, in each
> thread I would like to insert such kind of function so that I can know
> on which cpu this thread is running on.

That doesn't make much sense as the same thread can run on a different
CPU after each scheduling decision. And - as it is in userspace -
scheduling can happen before any assembler op.

	Bernd
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