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

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Message-ID: <20150525124638.GB17970@kernel.org>
Date:	Mon, 25 May 2015 09:46:38 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	He Kuang <hekuang@...wei.com>, wangnan0@...wei.com,
	paulus@...ba.org, a.p.zijlstra@...llo.nl, mingo@...hat.com,
	namhyung@...nel.org, jolsa@...nel.org, ast@...mgrid.com,
	dsahern@...il.com, brendan.d.gregg@...il.com, daniel@...earbox.net,
	lizefan@...wei.com, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 09/15] perf probe: Support $params without
 debuginfo

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"

or, alternatively:

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

No?

- Arnaldo
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