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Date:      Tue, 8 Oct 1996 10:26:47 +0900 (JST)
From:      Michael Hancock <michaelh@cet.co.jp>
To:        FreeBSD Hackers <Hackers@FreeBSD.ORG>
Subject:   Determining L2 cache size
Message-ID:  <Pine.SV4.3.93.961008101431.19738A-100000@parkplace.cet.co.jp>
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Being able to probe for cache size would be a good thing for things like
page coloring, etc.

I've been looking around to see if it's being done elsewhere. 

I noticed UnixWare has a /system/processor fs which stores characteristics
of the CPU.  It has a field for cachesize.

I'm not sure if it's being used for the Intel architecture, I'll have to
probe a little bit...

typedef struct procfile {
        int status;
        int chip;
        int clockspeed; /* in MHz */
        int cachesize;  /* in Kbytes */
        int fpu;
        int bdrivers;
        timestruc_t modtime;
} procfile_t;


Regards,


Mike Hancock

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