linux-kernel - Re: [PATCH 0/4] Attempt to cleanup the HSW offcore bits

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Message-ID: <20141027144842.GG10501@worktop.programming.kicks-ass.net>
Date:	Mon, 27 Oct 2014 15:48:42 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Andi Kleen <ak@...ux.intel.com>
Cc:	Andi Kleen <andi@...stfloor.org>, mingo@...nel.org,
	tglx@...utronix.de, eranian@...gle.com, dzickus@...hat.com,
	jmario@...hat.com, acme@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] Attempt to cleanup the HSW offcore bits

On Mon, Oct 27, 2014 at 07:28:18AM -0700, Andi Kleen wrote:
> On Mon, Oct 27, 2014 at 02:07:12PM +0100, Peter Zijlstra wrote:
> > On Mon, Oct 27, 2014 at 01:23:40PM +0100, Andi Kleen wrote:
> > > On Thu, Oct 23, 2014 at 12:51:19PM +0200, Peter Zijlstra wrote:
> > > > So Don asked about offcore and because I forgot I looked at the code and found
> > > > the terrible mess Andi created with the HSW/BDW bits.
> > > > 
> > > > This series attempts to clean some of that up but seeing how it was all magic
> > > > numbers 
> > > 
> > > All the bits are documented. The actual definitions are available
> > > in the JSON offcore definitions at https://download.01.org/perfmon/
> > 
> > Yeah, no. That's not how we write code. Also, there's no actual JSON
> > offcore file for HSW only some TSV file, and I've no mind to go decode
> 
> https://download.01.org/perfmon/HSW/Haswell_matrix_V14.json
> https://download.01.org/perfmon/HSW/Haswell_matrix_bit_definitions_V14.json

So you expected me to somehow magically know it was not the file with
offcore in its name then?
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