linux-kernel - Re: [PATCH v8 3.2.0-rc5 9/9] perf: perf interface for uprobes

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Date:	Thu, 12 Jan 2012 23:50:23 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-mm <linux-mm@...ck.org>, Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Roland McGrath <roland@...k.frob.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Anton Arapov <anton@...hat.com>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	yrl.pp-manager.tt@...achi.com
Subject: Re: [PATCH v8 3.2.0-rc5 9/9] perf: perf interface for uprobes

Hi Srikar,

(2012/01/09 20:24), Srikar Dronamraju wrote:
>>
>>> +
>>> +static int convert_to_perf_probe_point(struct probe_trace_point *tp,
>>> +					struct perf_probe_point *pp)
>>> +{
>>> +	pp->function = strdup(tp->symbol);
>>> +	if (pp->function == NULL)
>>> +		return -ENOMEM;
>>> +	pp->offset = tp->offset;
>>> +	pp->retprobe = tp->retprobe;
>>> +
>>> +	return 0;
>>> +}
>>
>> This function could be used in kprobe_convert_to_perf_probe() too.
>> In that case, it will be separated as a cleanup from this.
> 
> Do you really want this in a separate patch, since it doesnt make too
> much sense without the uprobes code.

If so, breaking this big patch into small pieces helps
(at least) me to review/maintain the change :)

Thank you,

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