On Thu, Nov 11, 2010 at 4:52 PM, Ming Lei <tom.leiming@gmail.com> wrote:
quoted text > 2010/11/11 Ming Lei <tom.leiming@gmail.com>:
>> Hi,
>>
>> 'perf top' can't display any functions when modules are loaded on ARM.
>
> Sorry, should be can't display any kernel functions when modules are loaded
> on ARM.
>
> Also, when modules are loaded, 'perf report' can't display functions names,
> follows result of 'perf report':
>
Hi,
I tried to build the perf as static and build success on ARM. But
there's no display and no top results also.
How do you build the perf on ARM? any hints or clues?
Thank you,
Kyungmin Park
quoted text > root@beagleboard:~# perf report
> # Events: 4K cycles
> #
> # Overhead Command Shared Object Symbol
> # ........ ........... ................. ......................
> #
> 97.36% swapper [musb_hdrc] [k] 10466c4
> 2.19% perf [musb_hdrc] [k] 10da070
> 0.09% ksoftirqd/0 [musb_hdrc] [k] 10db998
> 0.06% perf libc-2.9.so [.] memchr
> 0.04% perf libc-2.9.so [.] 663c0
> 0.02% perf perf [.] 2e80
> 0.02% perf libc-2.9.so [.] closedir
> 0.02% perf libc-2.9.so [.] __read
> 0.02% flush-179:0 [musb_hdrc] [k] 10ff124
> 0.02% perf libc-2.9.so [.] memset
> 0.02% perf libc-2.9.so [.] __memcpy_chk
> 0.02% perf perf [.] event__synthesize_comm
> 0.02% perf ffff0fc4 [.] ffff0fc4
> 0.02% perf perf [.] hex2u64
> 0.02% perf libc-2.9.so [.] _IO_vfprintf
> 0.02% perf libc-2.9.so [.] fgets
> 0.02% perf libpthread-2.9.so [.] flockfile
> 0.02% perf perf [.] kallsyms__parse
> 0.02% perf libc-2.9.so [.] _IO_getline_info
>
> Any suggestions or comments?
>
> thanks,
> --
> Lei Ming
>
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Messages in current thread:
Re: [Questions] How to run 'perf top' on ARM to profile ke ... , Kyungmin Park , (Thu Nov 11, 1:34 am)