In-Reply-To: <[email protected]>
On Mon, 11 Sep 2006 01:31:44 -0400, Dave Jones wrote:
> > > Is there a way for the Linux Kernel to know the cache line size of the
> > > CPU it's on, besides #define X86_CACHE_LINE_SZ 32 or whatnot?
> >
> > /sys/devices/system/cpu/cpu<N>/cache
>
> Hmm..
>
> $ find /sys/ -name cache
> $
>
> That's on 2.6.18rc6. Is this some -mm only feature?
Looks like it's only there on Intel CPUs with CPUID level >= 0x00000004
and AMD CPUs with extended CPUID level >= 0x80000006, like this one:
vendor_id : AuthenticAMD
cpu family : 15
model : 72
It's not there on:
vendor_id : GenuineIntel
cpu family : 6
model : 6
Oh well...
--
Chuck
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