[RFC] perf-cache command interface design

[Namhyung Kim]

On Tue, 18 Nov 2014 07:09:02 +0900, Masami Hiramatsu wrote:
> (2014/11/17 12:17), Masami Hiramatsu wrote:
>> (2014/11/17 12:08), Namhyung Kim wrote:
>>> 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>...]
>> 
>> OK, that's good to me. And I think --elf/--sdt is meaningless.
>> Only --probe option is required, since we can scan the elf file to
>> add sdt cache when adding elf binary :)
>
> BTW, what should we do if we put the probe cache on current running kernel?
>
> perf cache add --probe <probe-spec>
>
> and have no binary argument, is it OK?

Hmm.. what about passing /proc/kallsyms and/or /boot/vmlinux for that?
Now I found that we need to special-case the kallsyms non-ELF file :)

Thanks,
Namhyung