From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Namhyung Kim <namhyung@kernel.org>,
Ingo Molnar <mingo@kernel.org>, Paul Mackerras <paulus@samba.org>,
Namhyung Kim <namhyung.kim@lge.com>,
LKML <linux-kernel@vger.kernel.org>, Jiri Olsa <jolsa@redhat.com>,
Adrian Hunter <adrian.hunter@intel.com>,
David Ahern <dsahern@gmail.com>
Subject: Re: [PATCH 1/3] perf tools: Allow vmlinux to fallback to kallsyms on NO_LIBELF=1
Date: Tue, 11 Nov 2014 10:03:26 -0300 [thread overview]
Message-ID: <20141111130326.GT18464@kernel.org> (raw)
In-Reply-To: <20141111102745.GJ10501@worktop.programming.kicks-ass.net>
Em Tue, Nov 11, 2014 at 11:27:45AM +0100, Peter Zijlstra escreveu:
> On Tue, Nov 11, 2014 at 01:24:38PM +0900, Namhyung Kim wrote:
> > > What I was saying, why not have a util/symbol.c change that disregards
> > > all DSOs with 0 symbols in.
> > The util/symbol.c doesn't need this because it can handle vmlinux
> > reliably. So after reading symbol table, it'll use the dso if it
> > actually contains symbols or fallback to next dso if it has 0 symbols.
> > IOW it already disregards all dsos with 0 symbols in.
> Well, it could not could it.. it readily proceeded with 0 symbols in my
> case. It did _not_ fallback to kallsyms.
Right, testing a fix for the problem I described on my last message.
- Arnaldo
next prev parent reply other threads:[~2014-11-11 13:03 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-07 5:20 Namhyung Kim
2014-11-07 5:20 ` [PATCH 2/3] perf symbol: Implement a very simple ELF symbol parser Namhyung Kim
2014-11-07 15:26 ` Arnaldo Carvalho de Melo
2014-11-10 6:36 ` Namhyung Kim
2014-11-10 12:09 ` Arnaldo Carvalho de Melo
2014-11-17 2:31 ` Namhyung Kim
2014-11-07 5:20 ` [PATCH 3/3] perf tools: Clean up libelf feature support code Namhyung Kim
2014-11-20 7:36 ` [tip:perf/core] " tip-bot for Namhyung Kim
2014-11-07 8:27 ` [PATCH 1/3] perf tools: Allow vmlinux to fallback to kallsyms on NO_LIBELF=1 Peter Zijlstra
2014-11-07 14:57 ` Namhyung Kim
2014-11-07 17:37 ` Peter Zijlstra
2014-11-10 6:33 ` Namhyung Kim
2014-11-10 12:11 ` Peter Zijlstra
2014-11-11 4:24 ` Namhyung Kim
2014-11-11 10:27 ` Peter Zijlstra
2014-11-11 13:03 ` Arnaldo Carvalho de Melo [this message]
2014-11-11 14:02 ` Arnaldo Carvalho de Melo
2014-11-11 17:19 ` Peter Zijlstra
2014-11-20 7:37 ` [tip:perf/core] perf symbols: Fallback to kallsyms when using the minimal 'ELF' loader tip-bot for Arnaldo Carvalho de Melo
2014-11-11 13:02 ` [PATCH 1/3] perf tools: Allow vmlinux to fallback to kallsyms on NO_LIBELF=1 Arnaldo Carvalho de Melo
2014-11-17 1:55 ` Namhyung Kim
2014-11-07 15:21 ` David Ahern
2014-11-10 7:40 ` Namhyung Kim
2014-11-10 14:20 ` David Ahern
2014-11-07 15:29 ` Arnaldo Carvalho de Melo
2014-11-10 6:53 ` Namhyung Kim
2014-11-10 12:11 ` Arnaldo Carvalho de Melo
2014-11-17 2:04 ` Namhyung Kim
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