Research Article
Leveraging KVM Events to Detect Cache-Based Side Channel Attacks in a Virtualization Environment
Table 4
Fisher score for the evaluation on another host with different microarchitecture.
| | | Sequence | Fisher score |
| | Regular load | HLT:kvm_inj_virq: | 26.74 | | EXCEPTION_NMI:kvm_page_fault: kvm_inj_exception: | 26.18 | | MSR_WRITE:kvm_apic:kvm_msr: kvm_apic_accept_irq: | 24.43 | | HLT:kvm_eoi:kvm_pv_eoi:kvm_inj_virq: | 20.65 | | CR_ACCESS:kvm_cr: | 18.79 |
| | CPU-intensive load | EXCEPTION_NMI:kvm_fpu: | 9.13 | | EXTERNAL_INTERRUPT:kvm_fpu: | 6.76 | | EXTERNAL_INTERRUPT: kvm_apic_accept_irq: kvm_inj_virq: | 0.52 | | EXTERNAL_INTERRUPT: kvm_apic_accept_irq: | 0.51 | | PENDING_INTERRUPT:kvm_inj_virq: | 0.29 |
| | Memory intensive load | EXCEPTION_NMI:kvm_page_fault: kvm_inj_exception: | 91.42 | | EXCEPTION_NMI:kvm_page_fault: kvm_emulate_insn: | 75.46 | | EXCEPTION_NMI:kvm_page_fault: | 43.69 | | EXCEPTION_NMI:kvm_page_fault: kvm_inj_exception:kvm_apic_accept_irq: kvm_inj_exception: | 15.31 | | EXCEPTION_NMI:kvm_page_fault: kvm_apic_accept_irq:kvm_inj_virq: | 12.84 |
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