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| author | Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2019-11-14 23:15:07 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-02-05 17:17:41 +0300 |
| commit | 24bbf74c0c36bfbaa276c9921b55b844018b241e (patch) | |
| tree | 29e9c150ec2e0626b91aff77a1bc5eb44f7d7b2c /arch | |
| parent | 8df14af42f00a434c492c9964a8095bf59831a45 (diff) | |
| download | linux-24bbf74c0c36bfbaa276c9921b55b844018b241e.tar.xz | |
kvm: x86: Add APICv (de)activate request trace points
Add trace points when sending request to (de)activate APICv.
Suggested-by: Alexander Graf <graf@amazon.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/trace.h | 19 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
2 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 7c741a0c5f80..f194dd058470 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1291,6 +1291,25 @@ TRACE_EVENT(kvm_hv_stimer_cleanup, __entry->vcpu_id, __entry->timer_index) ); +TRACE_EVENT(kvm_apicv_update_request, + TP_PROTO(bool activate, unsigned long bit), + TP_ARGS(activate, bit), + + TP_STRUCT__entry( + __field(bool, activate) + __field(unsigned long, bit) + ), + + TP_fast_assign( + __entry->activate = activate; + __entry->bit = bit; + ), + + TP_printk("%s bit=%lu", + __entry->activate ? "activate" : "deactivate", + __entry->bit) +); + /* * Tracepoint for AMD AVIC */ diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 616491c134ae..3ceb0bc7d3f2 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8044,6 +8044,7 @@ void kvm_request_apicv_update(struct kvm *kvm, bool activate, ulong bit) return; } + trace_kvm_apicv_update_request(activate, bit); kvm_make_all_cpus_request(kvm, KVM_REQ_APICV_UPDATE); } EXPORT_SYMBOL_GPL(kvm_request_apicv_update); @@ -10503,3 +10504,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_pml_full); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_pi_irte_update); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_unaccelerated_access); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_incomplete_ipi); +EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_apicv_update_request); |