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Re:Measuring Latency in Linux (2014) by xakahnx on Friday February 28, 2020 @12:04AM (#22440645)
Cool! I looked up more info on this and ended up here, http://www.brendangregg.com/blog/2017-05-04/the-pmcs-of-ec2....

But I only skimmed this and I don't see that it mentions about migration across hosts. Only that the hypervisor is able to expose the MSRs or PMCs.

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