Messages in this thread | | | Date | Wed, 19 Feb 2014 07:40:36 -0800 | From | Andi Kleen <> | Subject | Re: x86 perf's dTLB-load-misses broken on IvyBridge? II |
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> > [ C(DTLB) ] = { > > [ C(OP_READ) ] = { > > [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOP_RETIRED.ALL_LOADS */ > > [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.CAUSES_A_WALK */ > > },
Actually I tested on the wrong system earlier, sorry The miss event code is wrong on IvyBridge, it should be 0x8108 (DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK), not 0x0108.
BTW that event only counts demand loads, no prefetches, that would be a separate event.
dTLB-loads works with and without PEBS.
-Andi
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