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authorSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>2019-11-14 23:15:07 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2020-02-05 17:17:41 +0300
commit24bbf74c0c36bfbaa276c9921b55b844018b241e (patch)
tree29e9c150ec2e0626b91aff77a1bc5eb44f7d7b2c /arch
parent8df14af42f00a434c492c9964a8095bf59831a45 (diff)
downloadlinux-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.h19
-rw-r--r--arch/x86/kvm/x86.c2
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);