Re: [RFC] perf-cache command interface design

[Namhyung Kim]

Hi Arnaldo,

On Mon, 17 Nov 2014 16:58:57 -0200, Arnaldo Carvalho de Melo wrote:
> Em Mon, Nov 17, 2014 at 12:08:59PM +0900, Namhyung Kim escreveu:
>> I prefer this too.  But I'd like make the 'add' part a subcommand rather
>> than option like we do in perf kmem/kvm/list/lock/mem/sched ...  And it
>> can handle multiple files at once.  What about this?
>  
>>   perf cache add [--elf|--sdt|--probe <spec>] <binary> [<binary>...]
>
> In the end we can have it both ways, i.e. if the user does just:
>
>     perf cache add something
>
> or:
>
>     perf cache add --elf something
>
> And 'something' is an ELF file, then in the first case (no --elf
> specified) it will figure it out (checking the magic number, etc) and do
> the right thing.
>
> In the second case since we're being more verbose and think we know what
> 'something' is (an ELF file) the tool can check if it indeed is an ELF
> file and if not, bail out.

Ah, that's possible.

I'm not sure what we can do if it's not an ELF file though. :)

Thanks,
Namhyung
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