From: Bernd Petrovitsch <bernd@firmix.at>
To: Xu Yang <risingsunxy@googlemail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: looking for a function
Date: Tue, 16 Sep 2008 16:00:32 +0200 [thread overview]
Message-ID: <1221573632.6103.83.camel@spike.firmix.at> (raw)
In-Reply-To: <ab40e9c0809160550q411507aeledae30a9f835d09d@mail.gmail.com>
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
--
Firmix Software GmbH http://www.firmix.at/
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Embedded Linux Development and Services
next prev parent reply other threads:[~2008-09-16 14:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-16 12:50 looking for a function Xu Yang
2008-09-16 14:00 ` Bernd Petrovitsch [this message]
2008-09-16 14:11 ` Xu Yang
2008-09-16 14:18 ` Arjan van de Ven
2008-09-16 14:32 ` Xu Yang
2008-09-16 14:29 ` Frédéric Weisbecker
2008-09-16 14:33 ` Xu Yang
2008-09-16 19:04 ` Chris Snook
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