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how to measure false sharing on intel xeon e7520 cpu

Xingjing_Lu
Beginner
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It is four-socket platform, and 32core in total with HT.

Now, I measure the false shring with Oprofile of event: MEM_UNCORE_RETIRED:6000:0x02:0:1 (MEM_UNCORE_RETIRED.OTHER_CORE_L2_HITM), but it seems this event only measures the false sharing within a socket.

Is it enough if I want to get the false sharing data among the entire system ?

Thanks!

Eric

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