From: Adrian Hunter <adrian.hunter@intel.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-kernel@vger.kernel.org, David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Mike Galbraith <efault@gmx.de>, Namhyung Kim <namhyung@gmail.com>,
Paul Mackerras <paulus@samba.org>,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH V5 3/9] perf tools: workaround objdump difficulties with kcore
Date: Wed, 09 Oct 2013 10:33:25 +0300 [thread overview]
Message-ID: <525506C5.3020101@intel.com> (raw)
In-Reply-To: <20131008140236.GD1348@krava.redhat.com>
On 08/10/13 17:02, Jiri Olsa wrote:
> On Tue, Oct 08, 2013 at 11:45:50AM +0300, Adrian Hunter wrote:
>> objdump fails to annotate module symbols when looking
>> at kcore. Workaround this by extracting object code
>> from kcore and putting it in a temporary file for
>> objdump to use instead. The temporary file is created
>> to look like kcore but contains only the function
>> being disassembled.
>
> Excited to ses this one, but looks like I'm hitting some
> issue. All annotation starts for me like this:
>
> ▒
> │ Disassembly of section load0: ▒
> │ ▒
> │ ffffffff815eee80 <load0>: ◆
> 9.33 │ffffffff815eee80: data32 data32 data32 xchg %ax,%ax
>
>
> which does not seem right
Can you tell me the commits of the kernel and perf tools you
were using, plus the commands and what symbol it was?
next prev parent reply other threads:[~2013-10-09 7:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 8:45 [PATCH V5 0/9] perf tools: kcore improvements Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 1/9] perf tools: make a separate function to parse /proc/modules Adrian Hunter
2013-10-15 5:31 ` [tip:perf/core] perf symbols: Make a separate function to parse / proc/modules tip-bot for Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 2/9] perf tools: validate kcore module addresses Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 3/9] perf tools: workaround objdump difficulties with kcore Adrian Hunter
2013-10-08 14:02 ` Jiri Olsa
2013-10-09 7:33 ` Adrian Hunter [this message]
2013-10-09 10:12 ` Jiri Olsa
2013-10-09 10:38 ` Adrian Hunter
2013-10-09 12:16 ` Jiri Olsa
2013-10-09 12:43 ` Adrian Hunter
2013-10-08 15:56 ` Arnaldo Carvalho de Melo
2013-10-08 8:45 ` [PATCH V5 4/9] perf tools: add map__find_other_map_symbol() Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 5/9] perf tools: fix annotate_browser__callq() Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 6/9] perf tools: find kcore symbols on other maps Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 7/9] perf tools: add copyfile_mode() Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 8/9] perf buildid-cache: add ability to add kcore to the cache Adrian Hunter
2013-10-08 8:45 ` [PATCH V5 9/9] perf tools: add ability to find kcore in build-id cache Adrian Hunter
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