Re: mailing list for trace users

From: Mike Galbraith
Date: Tue Sep 22 2009 - 07:47:32 EST


On Tue, 2009-09-22 at 14:34 +0300, Avi Kivity wrote:
> On 09/22/2009 02:28 PM, Mike Galbraith wrote:
> > On Tue, 2009-09-22 at 12:13 +0300, Avi Kivity wrote:
> >
> >
> >> $ perf annotate -k ~avi/kvm/linux-2.6/vmlinux -m vmx_vcpu_run
> >> Error: symbol 'vmx_vcpu_run' not present amongst the samples.
> >>
> >> builtin symbols work.
> >>
> > Ah. Did you reboot or unload/load the module between record and
> > annotate time? There is no support for that at the moment.
> >
>
> No. Still loaded and running.

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

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