I'm playing with perf in vm and getting inconsistent result. But I wonder if it's a kvm, ovirt or hardware problem.
On a ovirt's vm: $ sudo perf list | grep Hardware | wc -l 1 $ lscpu ... Model name: Intel Core Processor (Haswell, no TSX) On another ovirt's vm: $ sudo perf list | grep Hardware | wc -l 27 $ lscpu ... Model name: AMD Opteron 23xx (Gen 3 Class Opteron) On a libvirtm vm: sudo perf list | grep Hardware | wc -l 1 lscpu ... Model name: Westmere E56xx/L56xx/X56xx (Nehalem-C) ... Look's like intel CPU don't expose hardware events. Is there an option on kvm or ovirt to help that ?
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