linux-kernel - Re: mailing list for trace users

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Message-ID: <4AB8BA37.4010305@redhat.com>
Date:	Tue, 22 Sep 2009 14:51:19 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Mike Galbraith <efault@....de>
CC:	rostedt@...dmis.org, LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	postmaster@...r.kernel.org
Subject: Re: mailing list for trace users

On 09/22/2009 02:47 PM, Mike Galbraith wrote:
>
> Hm, must me a problem with parsing then.  If you add -v -v to the
> command line it'll spit out debug data.  For vmx_vcpu_run you should see
> a line like so if the module was parsed.
>
> new symbol: ffffffffa0065a49 [00000466]: ahci_interrupt, hist: (nil), obj_start: 0x2a49
>
> 	-Mike
>
>    

$ perf annotate -v -v -k ~avi/kvm/linux-2.6/vmlinux -m vmx_vcpu_run  | 
grep vmx_vcpu_run
new symbol: ffffffffa006f596 [0000dead]: vmx_vcpu_run    [kvm_intel], 
hist: (nil), obj_start: (nil)
  ffffffffa006f596-ffffffffa006fb73 vmx_vcpu_run    [kvm_intel]
  Error: symbol 'vmx_vcpu_run' not present amongst the samples.

Looks like internal confusion.

-- 
error compiling committee.c: too many arguments to function

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