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From: Ingo Molnar <mingo@elte.hu>
To: Anton Blanchard <anton@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Paul Mackerras <paulus@samba.org>,
	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf annotate: Add config option for additional objdump arguments
Date: Sat, 16 Apr 2011 09:54:15 +0200	[thread overview]
Message-ID: <20110416075415.GB19063@elte.hu> (raw)
In-Reply-To: <20110416164022.4ee0f8aa@kryten>


* Anton Blanchard <anton@samba.org> wrote:

> 
> We sometimes need to pass arguments to objdump, for example to
> specify a particular machine type. In the case below I am profiling
> on POWER7 and perf annotate is unable to decode a POWER7 specific
> instruction:
> 
> c000000000008ff0:       7f 45 26 98     .long 0x7f452698
> 
> With the patch below and the following in ~/.perfconfig:
> 
> [objdump]
> 	options = -Mpower7

Hm, could we please detect the required flags automatically and pass them along 
without forcing people into twiddling their ~/.perfconfig?

I don't mind the options patch either - but please first automate it, *then* 
add this as a quick fix for similar future problems.

Thanks,

	Ingo

  reply	other threads:[~2011-04-16  7:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-16  6:40 [PATCH] perf annotate: Add config option for additional objdump arguments Anton Blanchard
2011-04-16  7:54 ` Ingo Molnar [this message]
2011-04-24  1:49   ` Anton Blanchard

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