linux-kernel - Re: [PATCH V5 1/3] perf & kvm: Enhance perf to collect KVM guest os statistics from host side

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Date:	Mon, 26 Apr 2010 14:11:44 +0800
From:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
To:	Avi Kivity <avi@...hat.com>
Cc:	Liu Yu-B13201 <B13201@...escale.com>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sheng Yang <sheng@...ux.intel.com>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Marcelo Tosatti <mtosatti@...hat.com>,
	oerg Roedel <joro@...tes.org>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	Gleb Natapov <gleb@...hat.com>,
	Zachary Amsden <zamsden@...hat.com>, zhiteng.huang@...el.com,
	tim.c.chen@...el.com, Arnaldo Carvalho de Melo <acme@...radead.org>
Subject: Re: [PATCH V5 1/3] perf & kvm: Enhance perf to collect KVM guest
 os statistics from host side

On Fri, 2010-04-23 at 13:50 +0300, Avi Kivity wrote:
> On 04/22/2010 01:27 PM, Liu Yu-B13201 wrote:
> >
> > I met this error when built kernel. Anything wrong?
> >
> >    CC      init/main.o
> > In file included from include/linux/ftrace_event.h:8,
> >                   from include/trace/syscall.h:6,
> >                   from include/linux/syscalls.h:75,
> >                   from init/main.c:16:
> > include/linux/perf_event.h: In function 'perf_register_guest_info_callbacks':
> > include/linux/perf_event.h:1019: error: parameter name omitted
> > include/linux/perf_event.h: In function 'perf_unregister_guest_info_callbacks':
> > include/linux/perf_event.h:1021: error: parameter name omitted
> > make[1]: *** [init/main.o] Error 1
> > make: *** [init] Error 2
> >    
> 
> I merged tip/perf/code which may fix this.  Find it in kvm.git next branch.
I downloaded the latest kvm.git tree and compilation is ok, including both enabling
FTRACE and disabling FTRACE.

Yanmin


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