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Message-ID: <20140121141621.GC4559@gmail.com>
Date: Tue, 21 Jan 2014 15:16:21 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Namhyung Kim <namhyung@...nel.org>, Gaurav Jain <gjain@...com>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Paul Mackerras <paulus@...ba.org>,
Namhyung Kim <namhyung.kim@....com>,
LKML <linux-kernel@...r.kernel.org>,
Jiri Olsa <jolsa@...hat.com>, David Ahern <dsahern@...il.com>,
Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH] perf tools: Fix JIT profiling on heap
* Arnaldo Carvalho de Melo <acme@...stprotocols.net> wrote:
> > Right. But in this case we cannot determine whether a symbol in
> > the /tmp/perf-... file is a function or variable.
>
> That is why we would then need to have separate /tmp/perf-... files,
> disambiguated by an extension, one for text addresses, another for
> data ones.
>
> Or change the format to match /proc/kallsyms, which probably is what
> we should've done from day one...
Yeah. Using the same format would be lovely. The parser could try to
detect the new one and could fall back to the old format?
> Detecting the format change would be trivial, as we would find 3
> tokens in the new format, instead of the current 2.
Yeah!
Thanks,
Ingo
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