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I am on a Linux server with Xeon X7560 CPU.

How can I see the CPU L3 cache miss and hit ratio details?

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Which CPU model? Performance counters are not a standard CPU feature, and you do need hardware support for this. – MSalters Oct 7 '11 at 9:10
CPU Model : Intel(R) Xeon(R) CPU X7560 @ 2.27GHz – Nikesh PL Oct 7 '11 at 9:35
up vote 3 down vote accepted

Since it's an Intel CPU, you could try the Intel adaptor that plugs into the KDE utility ksysguard

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