[Questions] How to run 'perf top' on ARM to profile kernel functions with modules loaded

Ming Lei tom.leiming at gmail.com
Thu Nov 11 05:03:35 EST 2010


>2010/11/11 Ingo Molnar <mingo at elte.hu>:
> Must be some bug in the ELF symbol handling code - we've had many cases of quirks
> and special cases there. Please run 'perf archive' and send the resulting
> perf.data.tar.bz2 to Arnaldo in private mail. (the file will be big)

Sent to Arnaldo already.

2010/11/11 Kyungmin Park <kmpark at infradead.org>:
>
> 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?

Cross-compiling perf tool is very painful, so I choose to compile
perf in Angstom on beagle-xm(ARM) directly, isn't it fun? :-)

thanks,
-- 
Lei Ming



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