Re: Re: [RFC PATCH v2 09/15] perf probe: Support $params without debuginfo

From: Masami Hiramatsu
Date: Mon May 25 2015 - 09:06:21 EST


On 2015/05/25 21:46, Arnaldo Carvalho de Melo wrote:
> Em Mon, May 25, 2015 at 09:22:50PM +0900, Masami Hiramatsu escreveu:
>> Actually, I'm working on the perf-probe cache enhancement (and it will be perf-cache)
>> which allows you to cache the result of debuginfo analysis under buildid-cache.
>> So, if the build-id is same on remote machines, you can transfer the cache to the
>> remote machine and reuse it.
>
>> This means you don't need debuginfo in the remote machine unless
>> you're using the same binary/bpf.
>
> I think this should read:
>
> "This means you don't need debuginfo in the remote machine unless you're
> using a _different_ binary/bpf"

Oops, right. unless different one, is correct.

>
> or, alternatively:
>
> "This means you don't need debuginfo in the remote machine _as long as_
> you're using the same binary bpf"

Yes, thanks!

>
> No?
>
> - Arnaldo
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--
Masami HIRAMATSU
Linux Technology Research Center, System Productivity Research Dept.
Center for Technology Innovation - Systems Engineering
Hitachi, Ltd., Research & Development Group
E-mail: masami.hiramatsu.pt@xxxxxxxxxxx
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