linux-kernel - Re: [PATCH 6/7] perf data: Fix duplicate field names and avoid reserved keywords

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Message-ID: <20150420140238.GG11111@kernel.org>
Date:	Mon, 20 Apr 2015 11:02:38 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Jérémie Galarneau 
	<jeremie.galarneau@...icios.com>, Jiri Olsa <jolsa@...nel.org>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	He Kuang <hekuang@...wei.com>, Ingo Molnar <mingo@...nel.org>,
	Jeremie Galarneau <jgalar@...icios.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Tom Zanussi <tzanussi@...il.com>,
	Wang Nan <wangnan0@...wei.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/7] perf data: Fix duplicate field names and avoid
 reserved keywords

Em Sat, Apr 18, 2015 at 10:45:36PM +0200, Jiri Olsa escreveu:
> On Sat, Apr 18, 2015 at 02:56:00PM -0400, Jérémie Galarneau wrote:
> > On Sat, Apr 18, 2015 at 11:50 AM, Jiri Olsa <jolsa@...nel.org> wrote:
> > > From: Wang Nan <wangnan0@...wei.com>
> > >
> > > Some parameters of syscall tracepoints named as 'nr', 'event', etc.
> > > When dealing with them, perf convert to ctf meets some problem:
> > >
> > >  1. If a parameter with name 'nr', it will duplicate syscall's
> > >     common field 'nr'. One such syscall is io_submit().
> > >
> > >  2. If a parameter with name 'event', it is denied to be inserted
> > >     because 'event' is a babeltrace keywork. One such syscall is
> > >     epoll_ctl.
> > 
> > Minor nitpick: "event" is a reserved keyword in the CTF specification
> > [1], the rule is only enforced by Babeltrace. Also, keywork ->
> > keyword.
> 
> thanks,
> 
> Arnaldo, any chance you could change it? (with ack from

I'll do it

> He Kuang of course), or do you need a respin..
> 
> jirka
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