linux-kernel - Re: [PATCH 9/9] perf, tools, record: Always allow to overide default period v2

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Message-ID: <20140515205123.GF1873@two.firstfloor.org>
Date:	Thu, 15 May 2014 22:51:23 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Namhyung Kim <namhyung@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>, acme@...radead.org,
	linux-kernel@...r.kernel.org, peterz@...radead.org,
	eranian@...gle.com, jolsa@...hat.com,
	Andi Kleen <ak@...ux.intel.com>, fweisbec@...il.com
Subject: Re: [PATCH 9/9] perf, tools, record: Always allow to overide
 default period v2

On Wed, May 14, 2014 at 02:50:47PM +0900, Namhyung Kim wrote:
> On Mon, 12 May 2014 15:51:14 -0700, Andi Kleen wrote:
> > From: Andi Kleen <ak@...ux.intel.com>
> >
> > Fix the logic to allow overriding event default periods with -c or -F
> > on the command line.  I'm not sure I understand this if() fully, but
> > this change makes all cases I tested work (tracepoint with default, default,
> > ,-c, -F)
> >
> > This fixed specifying -c / -F with json event list events,
> > which have a default period. It should do the same
> > for trace point events.
> 
> Hmm.. doesn't that require both -c and -F are given at the same time?

I don't think so.

> 
> Anyway, there was a similar discussion, but I suggested an other way.
> Please see the line below.

I had tried a couple of combinations earlier, this was the one that
worked in all cases.

-Andi
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