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From: Ingo Molnar <mingo@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org,
	Arnaldo Carvalho de Melo <acme@infradead.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Thomas Gleixner <tglx@linutronix.de>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [GIT PULL] perf changes for v3.12
Date: Thu, 5 Sep 2013 15:38:36 +0200	[thread overview]
Message-ID: <20130905133836.GA26634@gmail.com> (raw)
In-Reply-To: <20130903132933.GA24955@gmail.com>


* Ingo Molnar <mingo@kernel.org> wrote:

>    * 'perf report/top' enhancements:
> 
>         . Do annotation using /proc/kcore and /proc/kallsyms when 
>           available, removing the forced need for a vmlinux file kernel 
>           assembly annotation. This also improves this use case because 
>           vmlinux has just the initial kernel image, not what is actually 
>           in use after various code patchings by things like alternatives.
>           By Adrian Hunter.

Btw., this new feature is most noticeable if you run 'perf top' as root on 
any random box: you can annotate based on the live kernel image straight 
away, without having the vmlinux.

This works on various distro kernels as well.

Thanks,

	Ingo

  parent reply	other threads:[~2013-09-05 13:38 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-03 13:29 [GIT PULL] perf changes for v3.12 Ingo Molnar
2013-09-03 13:37 ` Arnaldo Carvalho de Melo
2013-09-03 13:43   ` Ingo Molnar
2013-09-03 17:02 ` Vince Weaver
2013-09-04 17:53 ` Linus Torvalds
2013-09-05 10:56   ` Ingo Molnar
2013-09-05 12:42     ` Frederic Weisbecker
2013-09-05 12:51       ` Ingo Molnar
2013-09-05 12:58         ` Frederic Weisbecker
2013-09-10  8:06       ` Namhyung Kim
2013-09-10 11:18         ` Frederic Weisbecker
2013-09-05 13:38 ` Ingo Molnar [this message]
2013-09-08  2:17 ` Linus Torvalds
2013-09-09 10:05   ` Peter Zijlstra
2013-09-10 11:28     ` Stephane Eranian
2013-09-10 11:53       ` PEBS bug on HSW: "Unexpected number of pebs records 10" (was: Re: [GIT PULL] perf changes for v3.12) Ingo Molnar
2013-09-10 12:32         ` Stephane Eranian
2013-09-10 12:42           ` Ramkumar Ramachandra
2013-09-10 12:51           ` Ramkumar Ramachandra
2013-09-10 12:55             ` Stephane Eranian
2013-09-10 13:22               ` Ingo Molnar
2013-09-10 13:38           ` Ingo Molnar
2013-09-10 14:15             ` Stephane Eranian
2013-09-10 14:29               ` Ingo Molnar
2013-09-10 14:34                 ` Stephane Eranian
2013-09-10 17:14                   ` Ingo Molnar
2013-09-16 11:07                     ` Stephane Eranian
2013-09-16 15:41                       ` Ingo Molnar
2013-09-16 16:29                         ` Peter Zijlstra
2013-09-17  7:00                           ` Ingo Molnar
2013-09-23 15:25                           ` Stephane Eranian
2013-09-23 15:33                             ` Peter Zijlstra
2013-09-23 17:11                               ` Stephane Eranian
2013-09-23 17:24                                 ` Peter Zijlstra
2013-09-10 15:28               ` Peter Zijlstra
2013-09-10 16:14                 ` Stephane Eranian

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