Re: [tip:perf/core] perf ui annotate browser: Allow toggling addr offset view
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- Subject: Re: [tip:perf/core] perf ui annotate browser: Allow toggling addr offset view
- From: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
- Date: Wed, 18 Apr 2012 09:43:29 +0900
- Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, hpa@xxxxxxxxx, paulus@xxxxxxxxx, eranian@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, efault@xxxxxx, namhyung@xxxxxxxxx, fweisbec@xxxxxxxxx, dsahern@xxxxxxxxx, tglx@xxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx, yrl.pp-manager.tt@xxxxxxxxxxx
- In-reply-to: <1334589710.28150.66.camel@twins>
- Organization: Hitachi, Ltd., Japan
- User-agent: Mozilla/5.0 (Windows NT 5.1; rv:11.0) Gecko/20120327 Thunderbird/11.0.1
(2012/04/17 0:21), Peter Zijlstra wrote:
> On Mon, 2012-04-16 at 08:02 -0700, Linus Torvalds wrote:
>>
>> It really would be *much* better if you could parse the
>> 'altinstructions' section. You already have a lot of ELF parsing code.
>>
> altinstructions, altinstr_replacement, smp_locks, __jump_table,
> parainstructions, __mcount_loc and maybe a few more.. and that doesn't
> allow for kprobes.
>
> But yeah, being able to grok some of that would be neat.
>
I sse. For the kprobes, at least live time, we can see where
kprobes are put via /sys/kernel/debug/kprobes/list.
Thank you,
--
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@xxxxxxxxxxx
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