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| author |   Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2020-03-12 05:39:28 -0500 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2020-03-16 17:58:56 +0100 |
| commit | ab56f8e62dafe4c9bec9fc236937c9884bd9966d (patch) | |
| tree | f53ecb06f2b89df2f127028342ff2abbd3250b1f /arch/x86/kvm/trace.h | |
| parent | KVM: Documentation: Update fast page fault for indirect sp (diff) | |
| download | linux-dev-ab56f8e62dafe4c9bec9fc236937c9884bd9966d.tar.xz linux-dev-ab56f8e62dafe4c9bec9fc236937c9884bd9966d.zip | |
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>
Diffstat (limited to 'arch/x86/kvm/trace.h')
| -rw-r--r-- | arch/x86/kvm/trace.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index f5b8814d9f83..6c4d9b4caf07 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1367,6 +1367,24 @@ TRACE_EVENT(kvm_avic_unaccelerated_access, __entry->vec) ); +TRACE_EVENT(kvm_avic_ga_log, + TP_PROTO(u32 vmid, u32 vcpuid), + TP_ARGS(vmid, vcpuid), + + TP_STRUCT__entry( + __field(u32, vmid) + __field(u32, vcpuid) + ), + + TP_fast_assign( + __entry->vmid = vmid; + __entry->vcpuid = vcpuid; + ), + + TP_printk("vmid=%u, vcpuid=%u", + __entry->vmid, __entry->vcpuid) +); + TRACE_EVENT(kvm_hv_timer_state, TP_PROTO(unsigned int vcpu_id, unsigned int hv_timer_in_use), TP_ARGS(vcpu_id, hv_timer_in_use), |