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From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Jim Keniston <jkenisto@linux.vnet.ibm.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-mm <linux-mm@kvack.org>, Oleg Nesterov <oleg@redhat.com>,
	Andi Kleen <andi@firstfloor.org>,
	Christoph Hellwig <hch@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Anton Arapov <anton@redhat.com>
Subject: Re: [PATCH] perf/probe: Provide perf interface for uprobes
Date: Fri, 13 Apr 2012 15:27:55 +0900	[thread overview]
Message-ID: <4F87C76B.10001@hitachi.com> (raw)
In-Reply-To: <20120412151037.GC21587@linux.vnet.ibm.com>

(2012/04/13 0:10), Srikar Dronamraju wrote:
>>  $ perf probe libc malloc
>>
>> 	Makes it even easier to use.
>>
>> 	Its just when one asks for something that has ambiguities that
>> the tool should ask the user to be a bit more precise to remove such
>> ambiguity.
>>
>> 	After all...
>>
> 
> Another case 
> perf probe do_fork clone_flags now looks for variable clone_flags in
> kernel function do_fork.
> 
> But if we allow to trace perf probe zsh zfree; then 
> 'perf probe do_fork clone_flags' should it check for do_fork executable
> or not? If it does check and finds one, and searches for clone_flags
> function and doesnt find, then should it continue with searching the
> kernel?
> 

Agree. I'd like to suggest you to start with only full path support,
and see, how we can handle abbreviations :)

Thank you,

-- 
Masami HIRAMATSU
Software Platform Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@hitachi.com

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  reply	other threads:[~2012-04-13  6:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-11 13:57 [PATCH] perf/probe: Provide perf interface for uprobes Srikar Dronamraju
2012-04-11 14:49 ` Arnaldo Carvalho de Melo
2012-04-11 17:12   ` Srikar Dronamraju
2012-04-11 18:17     ` Arnaldo Carvalho de Melo
2012-04-12  3:27       ` Masami Hiramatsu
2012-04-12 14:07         ` Arnaldo Carvalho de Melo
2012-04-12 14:41           ` Srikar Dronamraju
2012-04-12 15:56             ` Arnaldo Carvalho de Melo
2012-04-12 15:10           ` Srikar Dronamraju
2012-04-13  6:27             ` Masami Hiramatsu [this message]
2012-04-14  1:13               ` Arnaldo Carvalho de Melo
2012-04-16 12:27                 ` Srikar Dronamraju

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