]> git.baikalelectronics.ru Git - kernel.git/commit
kvm: svm: Introduce GA Log tracepoint for AVIC
authorSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Thu, 12 Mar 2020 10:39:28 +0000 (05:39 -0500)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 16 Mar 2020 16:58:56 +0000 (17:58 +0100)
commitd4a525b3e528c970742cffbf748c99c93c8d8c8b
treef53ecb06f2b89df2f127028342ff2abbd3250b1f
parent53abd86d48811d77b681da04f2c6db50c7ebe596
kvm: svm: Introduce GA Log tracepoint for AVIC

GA Log tracepoint is useful when debugging AVIC performance
issue as it can be used with perf to count the number of times
IOMMU AVIC injects interrupts through the slow-path instead of
directly inject interrupts to the target vcpu.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/svm.c
arch/x86/kvm/trace.h
arch/x86/kvm/x86.c