From: Ingo Molnar <mingo@elte.hu>
To: Miklos Szeredi <miklos@szeredi.hu>
Cc: jdike@addtoit.com, linux-kernel@vger.kernel.org,
user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] -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
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WARNING: multiple messages have this Message-ID (diff)
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
next prev parent reply other threads:[~2007-11-28 15:42 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-28 12:47 [uml-devel] -rt doesn't compile for UML Miklos Szeredi
2007-11-28 12:47 ` Miklos Szeredi
2007-11-28 12:50 ` [uml-devel] " Ingo Molnar
2007-11-28 12:50 ` Ingo Molnar
2007-11-28 13:09 ` [uml-devel] " Miklos Szeredi
2007-11-28 13:09 ` Miklos Szeredi
2007-11-28 13:15 ` [uml-devel] " Ingo Molnar
2007-11-28 13:15 ` Ingo Molnar
2007-11-28 13:15 ` [uml-devel] " Ingo Molnar
2007-11-28 13:15 ` Ingo Molnar
2007-11-28 13:24 ` [uml-devel] " Miklos Szeredi
2007-11-28 13:24 ` Miklos Szeredi
2007-11-28 15:08 ` [uml-devel] " Jeff Dike
2007-11-28 15:08 ` Jeff Dike
2007-11-28 15:38 ` [uml-devel] " Miklos Szeredi
2007-11-28 15:38 ` Miklos Szeredi
2007-11-28 15:41 ` Ingo Molnar [this message]
2007-11-28 15:41 ` Ingo Molnar
2007-11-28 16:00 ` [uml-devel] " Miklos Szeredi
2007-11-28 16:00 ` Miklos Szeredi
2007-11-28 16:05 ` [uml-devel] " Ingo Molnar
2007-11-28 16:05 ` Ingo Molnar
2007-11-28 16:57 ` [uml-devel] " Miklos Szeredi
2007-11-28 16:57 ` Miklos Szeredi
2007-11-28 17:02 ` [uml-devel] " Ingo Molnar
2007-11-28 17:02 ` Ingo Molnar
2007-11-28 17:02 ` [uml-devel] " Miklos Szeredi
2007-11-28 17:02 ` Miklos Szeredi
2007-11-28 17:24 ` [uml-devel] " Ingo Molnar
2007-11-28 17:24 ` Ingo Molnar
2007-11-28 17:25 ` [uml-devel] " Miklos Szeredi
2007-11-28 17:25 ` Miklos Szeredi
2007-11-28 17:38 ` [uml-devel] " Jeff Dike
2007-11-28 17:38 ` Jeff Dike
2007-11-28 15:06 ` [uml-devel] " Jeff Dike
2007-11-28 15:06 ` Jeff Dike
2007-11-28 15:35 ` [uml-devel] " Miklos Szeredi
2007-11-28 15:35 ` Miklos Szeredi
2007-11-28 18:29 ` [uml-devel] " Jeff Dike
2007-11-28 18:29 ` Jeff Dike
2007-11-28 18:37 ` [uml-devel] " Ingo Molnar
2007-11-28 18:37 ` Ingo Molnar
2007-11-28 18:46 ` [uml-devel] " Miklos Szeredi
2007-11-28 18:46 ` Miklos Szeredi
2007-11-29 10:19 ` [uml-devel] scheduling anomaly on uml (was: -rt doesn't compile for UML) Miklos Szeredi
2007-11-29 10:19 ` Miklos Szeredi
2007-11-29 10:57 ` [uml-devel] " Ingo Molnar
2007-11-29 10:57 ` Ingo Molnar
2007-11-29 11:36 ` [uml-devel] " Miklos Szeredi
2007-11-29 11:36 ` Miklos Szeredi
2007-11-29 11:50 ` [uml-devel] " Ingo Molnar
2007-11-29 11:50 ` Ingo Molnar
2007-11-29 16:07 ` [uml-devel] " Miklos Szeredi
2007-11-29 16:07 ` Miklos Szeredi
2007-11-29 16:25 ` [uml-devel] " Ingo Molnar
2007-11-29 16:25 ` Ingo Molnar
2007-11-29 18:05 ` [uml-devel] " Miklos Szeredi
2007-11-29 18:05 ` Miklos Szeredi
2007-11-29 19:26 ` [uml-devel] " Ingo Molnar
2007-11-29 19:26 ` Ingo Molnar
2007-11-29 17:02 ` [uml-devel] " Jeff Dike
2007-11-29 17:02 ` Jeff Dike
2007-11-29 17:16 ` [uml-devel] " Ingo Molnar
2007-11-29 17:16 ` Ingo Molnar
2007-11-29 17:58 ` [uml-devel] " Miklos Szeredi
2007-11-29 17:58 ` Miklos Szeredi
2007-11-30 19:44 ` [uml-devel] " Miklos Szeredi
2007-11-30 19:44 ` Miklos Szeredi
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