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    SubjectRe: Dual XEON - >>SLOW<< on SMP
    > > I'm seeing this as well, but only with PIII Xeon systems, not PII
    > > Xeon. Every single timer interrupt on any CPU is accompanied by a NMI
    > > and LOC increment on every CPU.
    > >
    > > CPU0 CPU1
    > > 0: 146727 153389 IO-APIC-edge timer
    > > [...]
    > > NMI: 300035 300035
    > > LOC: 300028 300028
    >
    > You mean that isn't supposed to happen?
    >
    > CPU0 CPU1
    > 0: 8480192 7786028 IO-APIC-edge timer
    > 1: 3 1 IO-APIC-edge keyboard
    > 2: 0 0 XT-PIC cascade
    > 8: 0 0 IO-APIC-edge rtc
    > 13: 0 0 XT-PIC fpu
    > 23: 188915 191259 IO-APIC-level eth0
    > 28: 16 14 IO-APIC-level sym53c8xx
    > 29: 33655 33665 IO-APIC-level sym53c8xx
    > 30: 0 0 IO-APIC-level es1371
    > NMI: 16266140 16266140
    > LOC: 16266123 16266122
    > ERR: 0
    >
    > This machine isn't even a Xeon, just a PIII CuMine on a ServerWorks HeIII
    > chipset.

    [wakko@gohan:/home/wakko] cat /proc/interrupts
    CPU0 CPU1
    0: 15276613 18358687 IO-APIC-edge timer
    1: 391 455 IO-APIC-edge keyboard
    2: 0 0 XT-PIC cascade
    4: 1 0 IO-APIC-edge serial
    13: 1 0 XT-PIC fpu
    14: 3013 2422 IO-APIC-edge ide0
    16: 179450 191589 IO-APIC-level eth0
    17: 22 23 IO-APIC-level aic7xxx
    18: 17254 15655 IO-APIC-level es1371
    19: 11 10 IO-APIC-level aic7xxx
    NMI: 33635184 33635184
    LOC: 33636726 33636725
    ERR: 0
    [wakko@gohan:/home/wakko] cat /proc/mtrr

    I noticed it was a tad slow, but I figured it was the fact it was a netboot
    machine. It's a dual ppro 200 192mb ram.

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