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    SubjectRe: [Patch] Output of L1,L2 and L3 cache sizes to /proc/cpuinfo
    "Martin.Knoblauch" wrote:
    >
    > >>
    > >> Hi,
    > >>
    > >> while trying to enhance a small hardware inventory script, I found that
    > >> cpuinfo is missing the details of L1, L2 and L3 size, although they may
    > >> be available at boot time. One could of cource grep them from "dmesg"
    > >> output, but that may scroll away on long lived systems.
    > >>
    > >
    > >Any particular reason this needs to be done in the kernel, as opposed
    > >to having your script read /dev/cpu/*/cpuid?
    > >
    > > -hpa
    >
    > terse answer: probably the same reason as for most stuff in
    > /proc/cpuinfo :-)
    >

    Terse but just plain wrong.

    Most stuff in /proc/cpuinfo is either hard (under some set of
    circumstances) for userspace to obtain, or it is used by the kernel
    itself anyway.

    -hpa

    --
    <hpa@transmeta.com> at work, <hpa@zytor.com> in private!
    "Unix gives you enough rope to shoot yourself in the foot."
    http://www.zytor.com/~hpa/puzzle.txt
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