From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>, Jiri Olsa <jolsa@redhat.com>
Subject: Re: [RFC/PATCHSET 0/8] perf tools: Minimal build without libelf dependency (v2)
Date: Fri, 22 Jun 2012 13:14:49 -0300 [thread overview]
Message-ID: <20120622161449.GL17747@infradead.org> (raw)
In-Reply-To: <4FE490C9.1020903@gmail.com>
Em Fri, Jun 22, 2012 at 09:35:37AM -0600, David Ahern escreveu:
> On 6/22/12 9:30 AM, Namhyung Kim wrote:
> >>And build-id's are not required for report (-B option for record).
> >>Also, the intent is for a small footprint binary for embedded systems.
> >>On such a system I would expect binaries and libraries to be stripped,
> >>so no point in running perf-archive.
> >But is there a chance that binaries on host still contains symbol (and
> >debug) information even for those cases?
>
> AFAIK embedded systems do not have the luxury of symbols; the goal
> is as small as possible. All debugging information is left on the
> build servers for off line analysis. That's certainly true for the
> product I work on.
I think at least the .dymsym symbol table is present in DSOs, aka
libraries, otherwise how will they dynamicly link?
- Arnaldo
next prev parent reply other threads:[~2012-06-22 16:14 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-22 5:37 [RFC/PATCHSET 0/8] perf tools: Minimal build without libelf dependency (v2) Namhyung Kim
2012-06-22 5:37 ` [PATCH 1/8] perf evsel: Fix a build failure on cross compilation Namhyung Kim
2012-06-22 5:37 ` [PATCH 2/8] tools lib traceevent: Make dependency files regeneratable Namhyung Kim
2012-06-28 16:15 ` Arnaldo Carvalho de Melo
2012-07-06 10:52 ` [tip:perf/core] " tip-bot for Namhyung Kim
2012-06-22 5:37 ` [PATCH 3/8] tools lib traceevent: Detect build environment changes Namhyung Kim
2012-06-22 5:37 ` [PATCH 4/8] perf symbols: Introduce symbol__elf_init() Namhyung Kim
2012-06-22 5:37 ` [PATCH 5/8] perf symbols: Do not use ELF's symbol binding constants Namhyung Kim
2012-06-22 12:43 ` Arnaldo Carvalho de Melo
2012-06-22 15:19 ` Namhyung Kim
2012-06-22 15:29 ` Arnaldo Carvalho de Melo
2012-06-22 5:37 ` [PATCH 6/8] perf tools: Split out util/symbol-elf.c Namhyung Kim
2012-06-22 5:37 ` [PATCH 7/8] perf tools: Support minimal build without libelf Namhyung Kim
2012-06-22 5:37 ` [PATCH 8/8] perf symbols: Implement poor man's ELF parser Namhyung Kim
2012-06-22 9:47 ` [RFC/PATCHSET 0/8] perf tools: Minimal build without libelf dependency (v2) Peter Zijlstra
2012-06-22 15:05 ` Namhyung Kim
2012-06-22 15:18 ` David Ahern
2012-06-22 15:30 ` Namhyung Kim
2012-06-22 15:35 ` David Ahern
2012-06-22 16:14 ` Arnaldo Carvalho de Melo [this message]
2012-06-22 16:24 ` David Ahern
2012-06-25 0:51 ` Namhyung Kim
2012-06-22 15:32 ` Arnaldo Carvalho de Melo
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