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Date: Tue, 16 Sep 2008 16:11:10 +0200 From: "Xu Yang" <risingsunxy@...glemail.com> To: "Bernd Petrovitsch" <bernd@...mix.at> Cc: linux-kernel@...r.kernel.org Subject: Re: looking for a function Hi Bernd, thanks for you reply. yes, I know the thread migrates all the time, this is exactly what I would like to observe. I would like to learn about the thread migration of some specific scheduling algorithm. so .... any idea about the function? Best regards, Yang 2008/9/16, Bernd Petrovitsch <bernd@...mix.at>: > 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/ > mobil: +43 664 4416156 fax: +43 1 7890849-55 > Embedded Linux Development and Services > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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