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From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-mm <linux-mm@kvack.org>, Andi Kleen <andi@firstfloor.org>,
	Christoph Hellwig <hch@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Roland McGrath <roland@hack.frob.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Arnaldo Carvalho de Melo <acme@infradead.org>,
	Anton Arapov <anton@redhat.com>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Jim Keniston <jkenisto@linux.vnet.ibm.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	yrl.pp-manager.tt@hitachi.com
Subject: Re: [PATCH v8 3.2.0-rc5 9/9] perf: perf interface for uprobes
Date: Thu, 12 Jan 2012 23:50:23 +0900	[thread overview]
Message-ID: <4F0EF32F.6060001@hitachi.com> (raw)
In-Reply-To: <20120109112427.GB10189@linux.vnet.ibm.com>

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@hitachi.com

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WARNING: multiple messages have this Message-ID (diff)
From: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux-mm <linux-mm@kvack.org>, Andi Kleen <andi@firstfloor.org>,
	Christoph Hellwig <hch@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Roland McGrath <roland@hack.frob.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Arnaldo Carvalho de Melo <acme@infradead.org>,
	Anton Arapov <anton@redhat.com>,
	Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
	Jim Keniston <jkenisto@linux.vnet.ibm.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>,
	yrl.pp-manager.tt@hitachi.com
Subject: Re: [PATCH v8 3.2.0-rc5 9/9] perf: perf interface for uprobes
Date: Thu, 12 Jan 2012 23:50:23 +0900	[thread overview]
Message-ID: <4F0EF32F.6060001@hitachi.com> (raw)
In-Reply-To: <20120109112427.GB10189@linux.vnet.ibm.com>

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@hitachi.com

  reply	other threads:[~2012-01-12 14:50 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-16 12:27 [PATCH v8 3.2.0-rc5 0/9] uprobes patchset Srikar Dronamraju
2011-12-16 12:27 ` Srikar Dronamraju
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 1/9] uprobes: Install and remove breakpoints Srikar Dronamraju
2011-12-16 12:28   ` Srikar Dronamraju
2012-01-04 16:49   ` Peter Zijlstra
2012-01-04 16:49     ` Peter Zijlstra
2012-01-06  6:14     ` Srikar Dronamraju
2012-01-06  6:14       ` Srikar Dronamraju
2012-01-06 10:57       ` Peter Zijlstra
2012-01-06 10:57         ` Peter Zijlstra
2012-01-06 11:08         ` Srikar Dronamraju
2012-01-06 11:08           ` Srikar Dronamraju
2012-01-04 16:51   ` Peter Zijlstra
2012-01-04 16:51     ` Peter Zijlstra
2012-01-04 17:12     ` Steven Rostedt
2012-01-04 17:12       ` Steven Rostedt
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 2/9] uprobes: handle breakpoint and signal step exception Srikar Dronamraju
2011-12-16 12:28   ` Srikar Dronamraju
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 3/9] uprobes: slot allocation Srikar Dronamraju
2011-12-16 12:28   ` Srikar Dronamraju
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 4/9] uprobes: counter to optimize probe hits Srikar Dronamraju
2011-12-16 12:28   ` Srikar Dronamraju
2011-12-16 12:28 ` [PATCH v8 3.2.0-rc5 5/9] tracing: modify is_delete, is_return from ints to bool Srikar Dronamraju
2011-12-16 12:28   ` Srikar Dronamraju
2011-12-16 12:29 ` [PATCH v8 3.2.0-rc5 6/9] tracing: Extract out common code for kprobes/uprobes traceevents Srikar Dronamraju
2011-12-16 12:29   ` Srikar Dronamraju
2011-12-16 12:29 ` [PATCH v8 3.2.0-rc5 7/9] tracing: uprobes trace_event interface Srikar Dronamraju
2011-12-16 12:29   ` Srikar Dronamraju
2011-12-16 12:29 ` [PATCH v8 3.2.0-rc5 8/9] perf: rename target_module to target Srikar Dronamraju
2011-12-16 12:29   ` Srikar Dronamraju
2011-12-16 12:29 ` [PATCH v8 3.2.0-rc5 9/9] perf: perf interface for uprobes Srikar Dronamraju
2011-12-16 12:29   ` Srikar Dronamraju
2012-01-06 10:51   ` Masami Hiramatsu
2012-01-06 10:51     ` Masami Hiramatsu
2012-01-09 11:22     ` Srikar Dronamraju
2012-01-09 11:22       ` Srikar Dronamraju
2012-01-13  1:56       ` Masami Hiramatsu
2012-01-13  1:56         ` Masami Hiramatsu
2012-01-13  5:14         ` Srikar Dronamraju
2012-01-13  5:14           ` Srikar Dronamraju
2012-01-13 14:02           ` Masami Hiramatsu
2012-01-13 14:02             ` Masami Hiramatsu
2012-01-16 14:21             ` [PATCH v9 3.2 " Srikar Dronamraju
2012-01-16 14:21               ` Srikar Dronamraju
2012-01-09 11:24     ` [PATCH v8 3.2.0-rc5 " Srikar Dronamraju
2012-01-09 11:24       ` Srikar Dronamraju
2012-01-12 14:50       ` Masami Hiramatsu [this message]
2012-01-12 14:50         ` Masami Hiramatsu

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