linux-kernel - Re: [PATCH 2/5] perf probe: Attach trace_probe_event with perf_probe

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Message-ID: <20150904115236.GA11132@danjae.kornet>
Date:	Fri, 4 Sep 2015 20:52:36 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	平松雅巳 / HIRAMATU，MASAMI 
	<masami.hiramatsu.pt@...achi.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Wang Nan <wangnan0@...wei.com>,
	"pi3orama@....com" <pi3orama@....com>,
	sysp-manager <cti.systems-productivity-manager.ts@...achi.com>
Subject: Re: [PATCH 2/5] perf probe: Attach trace_probe_event with
 perf_probe_event

On Fri, Sep 04, 2015 at 11:36:56AM +0000, 平松雅巳 / HIRAMATU，MASAMI wrote:
> > From: Namhyung Kim [mailto:namhyung@...nel.org]

Oh, this patch is came from Wang Nan.  I missed to update the author,
will change in v2.


> > 
> > This patch drops struct __event_package structure.  Instead, it adds
> > trace_probe_event into 'struct perf_probe_event'.
> > 
> > trace_probe_event information gives further patches a chance to access
> > actual probe points and actual arguments.  Using them, perf probe can
> > get whole list of added probes and print them at once.
> > 
> > Other users like upcoming bpf_loader will be able to attach one bpf
> > program to different probing points of an inline functions (which has
> > multiple probing points) and glob functions.  Moreover, by reading
> > arguments information, bpf code for reading those arguments can be
> > generated.
> 
> Looks good to me.
> 
> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>

Thanks
Namhyung
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