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Date:	Thu, 20 Dec 2012 12:13:13 +0100
From:	Jiri Olsa <>
To:	Andi Kleen <>
	Arnaldo Carvalho de Melo <>,
	Namhyung Kim <>,
	Corey Ashford <>,
	Frederic Weisbecker <>,
	Ingo Molnar <>, Paul Mackerras <>,
	Peter Zijlstra <>
Subject: Re: [PATCH 3/3] perf tool: Add non arch events for SandyBridge

On Wed, Dec 19, 2012 at 01:55:43PM -0800, Andi Kleen wrote:
> Jiri Olsa <> writes:
> > Adding non architectural event aliases for Sandy Bridge
> > microarchitecture.
> "SandyBridge" is not necessarily unique. There are flavours
> of sandy bridge with slightly different events (e.g. in offcore)
> Also there's uncores too, which are very different between
> different SandyBridges.
> I would merge all these little files into a single file.
> I don't think anyone wants hundreds of new files for this, 
> if you do it for multiple CPUs.

right, that's better

> Besides it would waste insane amounts of space on most file systems
> without tail packing -- each of your little files takes 4K plus an inode
> and directory entry.
> Intel normally uses a spreadsheet CSV format.

Is there anything in public I could download and check?

> Best would be probably to just teach perf about reading one of those
> standard formats, then they could be just downloaded somewhere.

so, when you say standard format.. CSV? like:


would be no big change for alias loader

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