Re: [PATCH -tip 0/8] perf-probe updates

From: Masami Hiramatsu
Date: Fri Dec 11 2009 - 16:16:24 EST


Arnaldo Carvalho de Melo wrote:
> Em Wed, Dec 09, 2009 at 04:41:39PM -0500, Masami Hiramatsu escreveu:
>> Masami Hiramatsu wrote:
>>>> Here the failure was because the symbol does not exist.
>>>
>>> Yeah, so that's what I'm expecting to be implemented with below item :-)
>>>
>>> - Symbol search by libelf/kallsyms
>>>
>>> I guess it will be done by using symbol.c.
>>> (Actually, current
>>
>> Oops, I might miss something, forgot it.
>> actually, current perf probe doesn't decode kallsyms/elf, it just depends on
>> kprobe-tracer. And kprobe-tracer will return -EINVAL not only if the symbol
>> was not found, but also other reasons.
>>
>> So, if we want to show below message, we need to decode elf or kallsyms.
>
> Should be easy now with my latest patch :-)

Thanks! that's looks very useful for me!


--
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@xxxxxxxxxx

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