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authorJoerg Roedel <joerg.roedel@amd.com>2009-10-09 16:08:31 +0200
committerAvi Kivity <avi@redhat.com>2009-12-03 09:32:16 +0200
commitec1ff79084fccdae0dca9b04b89dcdf3235bbfa1 (patch)
treefddd8cfce75d88116c2fbcb1cf15e70a3588dfbc /arch/x86/kvm
parent236649de3360916ef85f95c82723af17a25b9179 (diff)
KVM: SVM: Add tracepoint for invlpga instruction
This patch adds a tracepoint for the event that the guest executed the INVLPGA instruction. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/svm.c3
-rw-r--r--arch/x86/kvm/trace.h23
-rw-r--r--arch/x86/kvm/x86.c1
3 files changed, 27 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 78a391c60a75..ba18fb7d3657 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1976,6 +1976,9 @@ static int invlpga_interception(struct vcpu_svm *svm)
struct kvm_vcpu *vcpu = &svm->vcpu;
nsvm_printk("INVLPGA\n");
+ trace_kvm_invlpga(svm->vmcb->save.rip, vcpu->arch.regs[VCPU_REGS_RCX],
+ vcpu->arch.regs[VCPU_REGS_RAX]);
+
/* Let's treat INVLPGA the same as INVLPG (can be optimized!) */
kvm_mmu_invlpg(vcpu, vcpu->arch.regs[VCPU_REGS_RAX]);
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 3cc8f444be14..7e1f08e959bc 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -469,6 +469,29 @@ TRACE_EVENT(kvm_nested_intr_vmexit,
TP_printk("rip: 0x%016llx\n", __entry->rip)
);
+
+/*
+ * Tracepoint for nested #vmexit because of interrupt pending
+ */
+TRACE_EVENT(kvm_invlpga,
+ TP_PROTO(__u64 rip, int asid, u64 address),
+ TP_ARGS(rip, asid, address),
+
+ TP_STRUCT__entry(
+ __field( __u64, rip )
+ __field( int, asid )
+ __field( __u64, address )
+ ),
+
+ TP_fast_assign(
+ __entry->rip = rip;
+ __entry->asid = asid;
+ __entry->address = address;
+ ),
+
+ TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx\n",
+ __entry->rip, __entry->asid, __entry->address)
+);
#endif /* _TRACE_KVM_H */
/* This part must be outside protection */
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 2cf4146b425a..86596fc7941c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4988,3 +4988,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_vmrun);
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_vmexit);
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_vmexit_inject);
EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_intr_vmexit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_invlpga);