linux-kernel - Re: [PATCH 15/22] tools lib traceevent: Change pevent_parse

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Message-ID: <20131121134213.GA1465@krava.brq.redhat.com>
Date:	Thu, 21 Nov 2013 14:42:13 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 15/22] tools lib traceevent: Change pevent_parse_event to
 return event format

On Thu, Nov 21, 2013 at 08:28:41AM -0500, Steven Rostedt wrote:
> On Thu, 21 Nov 2013 12:01:13 +0100
> Jiri Olsa <jolsa@...hat.com> wrote:
> 
> > Changing pevent_parse_event to return 'struct event_format',
> > for the parsed event if the return pointer is specified.
> 
> Can we not change the API of pevent_parse_event(), I use it quite a bit.
> 
> And yes, I'm working hard to keep what's in trace-cmd and the kernel
> identical.
> 
> > 
> > This way we can remove pevent_parse_format which does the
> > same stuff just without 'struct pevent' object.
> 
> Actually, I don't use pevent_parse_format() at all. What about changing
> that one to include the pevent?
> 
> 
> > 
> > The ultimate goal is to always use pevent object when dealing
> > with traceevent library. The reason is that we might need
> > additional processing (like plugins), which is not possible
> > otherwise.
> 
> Right, so add a pevent to the pevent_parse_format() and leave the
> pevent_parse_event() alone. That should make everyone happy :-)

ook, np ;-)

thanks,
jirka
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