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| author |   Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2022-04-20 10:49:54 -0500 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2022-04-29 12:50:00 -0400 |
| commit | 9f084f7c2ed7e6b8cc3176b9ece2f6cb0641c385 (patch) | |
| tree | 130ad8349bc5454b75b4eb0e5159cf85b581cb42 /arch/x86/kvm/trace.h | |
| parent | KVM: SVM: Use target APIC ID to complete AVIC IRQs when possible (diff) | |
| download | linux-dev-9f084f7c2ed7e6b8cc3176b9ece2f6cb0641c385.tar.xz linux-dev-9f084f7c2ed7e6b8cc3176b9ece2f6cb0641c385.zip | |
KVM: SVM: Introduce trace point for the slow-path of avic_kic_target_vcpus
This can help identify potential performance issues when handles
AVIC incomplete IPI due vCPU not running.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220420154954.19305-3-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 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index e3a24b8f04be..de4762517569 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1459,6 +1459,26 @@ TRACE_EVENT(kvm_avic_ga_log, __entry->vmid, __entry->vcpuid) ); +TRACE_EVENT(kvm_avic_kick_vcpu_slowpath, + TP_PROTO(u32 icrh, u32 icrl, u32 index), + TP_ARGS(icrh, icrl, index), + + TP_STRUCT__entry( + __field(u32, icrh) + __field(u32, icrl) + __field(u32, index) + ), + + TP_fast_assign( + __entry->icrh = icrh; + __entry->icrl = icrl; + __entry->index = index; + ), + + TP_printk("icrh:icrl=%#08x:%08x, index=%u", + __entry->icrh, __entry->icrl, __entry->index) +); + 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), |