Re: Re: [PATCH v4 2/3] Support for perf to probe into SDT markers:

[Masami Hiramatsu]

(2013/10/29 2:31), Srikar Dronamraju wrote:
>>>
>>> But what if a system has both 32 bit libc and 64 bit libc?
>>> Wont we could end up with 2 libc:setjmp?
>>> Should we give some more intelligence into perf to choose the 64 bit
>>> libc over 32 bit one?
>>
>> You can just trace both of them by default, no?
>>
> 
> There has to be a one to one association with the event name and its
> mapping.  Every event name will finally map to a unique inode and an
> offset.
> 
> One option would be for perf to look at these markers and have a
> different event name for similar markers in different executables. 

Or, another idea is introducing hidden event group which
automatically merges those similar markers and shows
as one event alias name. :)

Thank you,

-- 
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@xxxxxxxxxxx


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