Re: [RFC PATCH] perf report: add sort by file lines

[Masami Hiramatsu]

(2011/03/31 15:57), Lin Ming wrote:
>> So that what we need is a kind of the reverse compiler which generates
>> intermediate code (a sequence of register assignments) from
>> instruction code. That's not impossible task, but just hard and fun. :)
>> For that purpose, we'll need an instruction decoder and an evaluator
>> which allows us to trace the sequence of address dereferences.
> 
> I may borrow code from objdump to decode instruction.
> But not sure about the instruction evaluator, any hints?

I think using objdump is a fast path to make it.
But since we already have a decoder(insn.c) and an evaluator like code (in kvm)
inside the kernel, we'd better reuse it in user space tools too :)

Thank you,

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