linux-kernel - Re: [PATCH 2/3] perf: Add support for extra parameters for raw events

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Date:	Thu, 11 Nov 2010 19:39:01 +0100
From:	Andi Kleen <ak@...ux.intel.com>
To:	Corey Ashford <cjashfor@...ux.vnet.ibm.com>
CC:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	fweisbec@...il.com, a.p.zijlstra@...llo.nl, mingo@...e.hu,
	acme@...hat.com, eranian@...gle.com
Subject: Re: [PATCH 2/3] perf: Add support for extra parameters for raw events


> It's not clear to me that a comma is the best character to use in this 
> instance, because multiple events can be listed after the -e separated 
> by commas as well, for example:  -e rXXXX,cycles.
> -e rXXXX,YYYY,cycles would be confusing to read.
>
> How about -e rXXXX[+YYYY]

That's a good point. The comma seems to work in my testing though for 
some reason, but I guess
I broke the multiple events case then. I'll switch over to +

-Andi

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