linux-kernel - Re: [PATCH 05/22] perf/x86: Support constraint ranges

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Date:   Tue, 19 Mar 2019 08:57:57 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kan.liang@...ux.intel.com, acme@...nel.org, mingo@...hat.com,
        linux-kernel@...r.kernel.org, tglx@...utronix.de, jolsa@...nel.org,
        eranian@...gle.com, alexander.shishkin@...ux.intel.com
Subject: Re: [PATCH 05/22] perf/x86: Support constraint ranges

> >  struct amd_nb {
> >  	int nb_id;  /* NorthBridge id */
> 
> That's all the code, how does that add up to 2k ?

Because the tables are bigger. There are much more tables than code.

In theory could use two kinds of tables, but that would complicate
the code quite a bit.

-Andi