Messages in this thread | | | Date | Tue, 22 May 2001 17:05:28 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [Patch] Output of L1,L2 and L3 cache sizes to /proc/cpuinfo |
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Martin Knoblauch wrote: > > > > If so, then that's their problem. We're not here to solve the problem of > > stupid system administrators. > > > > They may not be stupid, just mislead :-( When Intel created the "cpuid" > Feature some way along the P3 line, they gave a stupid reason for it and > created a big public uproar. As silly as I think that was (on both > sides), the term "cpuid" is tainted. Some people just fear it like hell. > Anyway. >
Ummm... CPUID has been around since the P5, and even if you have one with the serial-number feature, Linux disables it.
> > > - you would need a utility with root permission to analyze the cpuid > > > info. The > > > cahce info does not seem to be there in clear ascii. > > > > Bullsh*t. /dev/cpu/%d/cpuid is supposed to be mode 444 (world readable.) > > > > Thanks you :-) In any case, on my system (Suse 7.1) the files are mode > 400. >
It's pointless since you can execute CPUID directly in user space. The device is there just to support CPU selection in a multiprocessor system.
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