linux-kernel - Re: [PATCH v3 3/5] perf tools: Fix dynamic sort keys to sort properly

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Message-ID: <20160107000726.GF8053@sejong>
Date:	Thu, 7 Jan 2016 09:07:26 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
CC:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	Wang Nan <wangnan0@...wei.com>
Subject: Re: [PATCH v3 3/5] perf tools: Fix dynamic sort keys to sort properly

On Wed, Jan 06, 2016 at 08:50:45PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Jan 06, 2016 at 08:31:49PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Thu, Jan 07, 2016 at 08:26:45AM +0900, Namhyung Kim escreveu:
> > > On Wed, Jan 06, 2016 at 08:06:43PM -0300, Arnaldo Carvalho de Melo wrote:
> > > > Em Wed, Jan 06, 2016 at 09:54:59AM +0900, Namhyung Kim escreveu:
> > > > > Currently, the dynamic sort keys compares trace data using memcmp().
> > > > > But for output sorting, it should check data size and compare by word.
> > > > > Also it sorted strings in reverse order, fix it.
> > > > 
> > > > Can this be broken down in two patches? This is complex code, lets try
> > > > to make it as bisectable as possible.
> > > 
> > > OK, I'll break out the string part then.  But I think it doesn't help
> > > much to reduce the complexity.
> > 
> > Well, number of patches is not a problem, everytime I see a "Also lets
> > do this other thing" I cringe, it is automatic, sorry :-\
> > 
> > For reviewing its soooo much better to see things nicely separated, and
> > sometimes I like one part but not the other, so I pick one and continue
> > discussion on the other, etc.
> 
> Ah, please rebase from my latest perf/core, I'm still holding on it
> since some 'perf test' entries are failing and I want to check first if
> its due to bugs introduced in this branch...

Will do!

Thanks,
Namhyung
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