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From: Ingo Molnar <mingo@elte.hu>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: jdike@addtoit.com, user-mode-linux-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org
Subject: Re: -rt doesn't compile for UML
Date: Wed, 28 Nov 2007 16:41:52 +0100	[thread overview]
Message-ID: <20071128154152.GA742@elte.hu> (raw)
In-Reply-To: <E1IxOzn-00075w-Gq@dorka.pomaz.szeredi.hu>


* Miklos Szeredi <miklos@szeredi.hu> wrote:

> > On Wed, Nov 28, 2007 at 02:09:45PM +0100, Miklos Szeredi wrote:
> > > kernel/latency_trace.c:28:21: error: asm/rtc.h: No such file or directory
> > 
> > For things like this, look at the host's asm/foo.h and see if it's
> > usable in UML (and contains things that you need).  If it is, just
> > make a asm-um/foo.h which just includes "asm/arch/foo.h".
> 
> Yeah, I know that trick :)
> 
> It doesn't help in this case.  I've gotten as far as realizing that 
> the latency tracer needs the irqflags tracing 
> (Documentation/irqflags-tracing.tx) and that UML doesn't yet support 
> that.

it doesnt need it - turn IRQOFF_TRACING off. You want FUNCTION_TRACING 
to work (and perhaps WAKEUP_TIMING) so that you can take a look at 
what's going on, right?

	Ingo

  reply	other threads:[~2007-11-28 15:42 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-28 12:47 -rt doesn't compile for UML Miklos Szeredi
2007-11-28 12:50 ` Ingo Molnar
2007-11-28 13:09   ` Miklos Szeredi
2007-11-28 13:15     ` Ingo Molnar
2007-11-28 13:15       ` Ingo Molnar
2007-11-28 13:24         ` Miklos Szeredi
2007-11-28 15:08     ` Jeff Dike
2007-11-28 15:38       ` Miklos Szeredi
2007-11-28 15:41         ` Ingo Molnar [this message]
2007-11-28 16:00           ` Miklos Szeredi
2007-11-28 16:05             ` Ingo Molnar
2007-11-28 16:57               ` Miklos Szeredi
2007-11-28 17:02                 ` Ingo Molnar
2007-11-28 17:02                 ` Miklos Szeredi
2007-11-28 17:24                   ` Ingo Molnar
2007-11-28 17:25                   ` Miklos Szeredi
2007-11-28 17:38         ` Jeff Dike
2007-11-28 15:06 ` Jeff Dike
2007-11-28 15:35   ` Miklos Szeredi
2007-11-28 18:29     ` Jeff Dike
2007-11-28 18:37       ` Ingo Molnar
2007-11-28 18:46       ` Miklos Szeredi
2007-11-29 10:19         ` scheduling anomaly on uml (was: -rt doesn't compile for UML) Miklos Szeredi
2007-11-29 10:57           ` Ingo Molnar
2007-11-29 11:36             ` Miklos Szeredi
2007-11-29 11:50               ` Ingo Molnar
2007-11-29 16:07             ` Miklos Szeredi
2007-11-29 16:25               ` Ingo Molnar
2007-11-29 18:05                 ` Miklos Szeredi
2007-11-29 19:26                   ` Ingo Molnar
2007-11-29 17:02           ` Jeff Dike
2007-11-29 17:16             ` Ingo Molnar
2007-11-29 17:58               ` Miklos Szeredi
2007-11-30 19:44             ` Miklos Szeredi

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