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    SubjectRe: [PATCH -tip] perf: x86, add SandyBridge support
    > +	[ C(OP_READ) ] = {
    > + [ C(RESULT_ACCESS) ] = 0x04d1, /* MEM_LOAD_UOPS_RETIRED.LLC_HIT */
    > + [ C(RESULT_MISS) ] = 0x0,
    > + },
    > + [ C(OP_WRITE) ] = {
    > + [ C(RESULT_ACCESS) ] = 0x0424, /* L2_RQSTS.RFO_HITS */
    > + [ C(RESULT_MISS) ] = 0x0824, /* L2_RQSTS.RFO_MISS */

    No! You really need offcore here. L2 is not LLC!!!
    See the offcore patchkit which fixes this for Nehalem.

    -Andi


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