diff options
| author |   Joerg Roedel <joerg.roedel@amd.com> | 2009-10-09 16:08:30 +0200 |
|---|---|---|
| committer |   Avi Kivity <avi@redhat.com> | 2009-12-03 09:32:16 +0200 |
| commit | 236649de3360916ef85f95c82723af17a25b9179 (patch) | |
| tree | 48cc0be4905254408ccac916dd4ca8205074a17f /arch | |
| parent | KVM: SVM: Add tracepoint for injected #vmexit (diff) | |
| download | linux-dev-236649de3360916ef85f95c82723af17a25b9179.tar.xz linux-dev-236649de3360916ef85f95c82723af17a25b9179.zip | |
KVM: SVM: Add tracepoint for #vmexit because intr pending
This patch adds a special tracepoint for the event that a
nested #vmexit is injected because kvm wants to inject an
interrupt into the guest.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/svm.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/trace.h | 18 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 1 |
3 files changed, 20 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 369eeb86e87c..78a391c60a75 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1390,7 +1390,7 @@ static inline int nested_svm_intr(struct vcpu_svm *svm) * the #vmexit here. */ svm->nested.exit_required = true; - nsvm_printk("VMexit -> INTR\n"); + trace_kvm_nested_intr_vmexit(svm->vmcb->save.rip); return 1; } diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index 4d6bb5ee39b5..3cc8f444be14 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -451,6 +451,24 @@ TRACE_EVENT(kvm_nested_vmexit_inject, __entry->exit_info1, __entry->exit_info2, __entry->exit_int_info, __entry->exit_int_info_err) ); + +/* + * Tracepoint for nested #vmexit because of interrupt pending + */ +TRACE_EVENT(kvm_nested_intr_vmexit, + TP_PROTO(__u64 rip), + TP_ARGS(rip), + + TP_STRUCT__entry( + __field( __u64, rip ) + ), + + TP_fast_assign( + __entry->rip = rip + ), + + TP_printk("rip: 0x%016llx\n", __entry->rip) +); #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 a522d9ba81b3..2cf4146b425a 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4987,3 +4987,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_cr); 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); |