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SubjectRe: [patch] Re: [perf] Finding uninstalled modules Was Re: mailing list for trace users
On 09/23/2009 02:31 PM, Mike Galbraith wrote:
>
> You can't annotate module symbols without -m. If you don't provide -k,
> annotate will look for vmlinux in cwd. If there's one there, it'll
> silently parse it. For a module symbol, no -m means no symbol.
>
> marge:/root/tmp # perf annotate -v -v -m ext3_mark_iloc_dirty 2>&1| grep ext3_mark_iloc_dirty
> new symbol: ffffffffa005f8cf [0000dead]: ext3_mark_iloc_dirty [ext3], hist: (nil), obj_start: (nil)
> ffffffffa005f8cf-ffffffffa005fc20 ext3_mark_iloc_dirty [ext3]
> Error: symbol 'ext3_mark_iloc_dirty' not present amongst the samples.
>
> With -k -m it works here.
>
>


Not for me. 'perf report', for example, shows

63.08% qemu-system-x86
[kernel] [k] packet_exit
4.71% qemu-system-x86
[kernel] [k] hpet_next_event
4.38% init
[kernel] [k]
mwait_idle_with_hints

While 'perf top' still shows vmx_vcpu_run.

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



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