diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-10-09 16:08:28 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-12-03 09:32:15 +0200 |
| commit | d8cabddf7e8fbdced2dd668c98d7762c7ef75245 (patch) | |
| tree | 17d8f451b1bc9552cc09a3753d5e612f58c6f919 /arch/x86/kvm | |
| parent | 0ac406de8f3780c8e0801d5719e1ec531d4a6ec4 (diff) | |
KVM: SVM: Add tracepoint for nested #vmexit
This patch adds a tracepoint for every #vmexit we get from a
nested guest.
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.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/trace.h | 36 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 1 |
3 files changed, 43 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 907af3f3a7af..edf6e8b2b84e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2366,6 +2366,12 @@ static int handle_exit(struct kvm_vcpu *vcpu) if (is_nested(svm)) { int vmexit; + trace_kvm_nested_vmexit(svm->vmcb->save.rip, exit_code, + svm->vmcb->control.exit_info_1, + svm->vmcb->control.exit_info_2, + svm->vmcb->control.exit_int_info, + svm->vmcb->control.exit_int_info_err); + nsvm_printk("nested handle_exit: 0x%x | 0x%lx | 0x%lx | 0x%lx\n", exit_code, svm->vmcb->control.exit_info_1, svm->vmcb->control.exit_info_2, svm->vmcb->save.rip); diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index b5798e12182a..a7eb6299a261 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -382,6 +382,42 @@ TRACE_EVENT(kvm_nested_vmrun, __entry->npt ? "on" : "off") ); +/* + * Tracepoint for #VMEXIT while nested + */ +TRACE_EVENT(kvm_nested_vmexit, + TP_PROTO(__u64 rip, __u32 exit_code, + __u64 exit_info1, __u64 exit_info2, + __u32 exit_int_info, __u32 exit_int_info_err), + TP_ARGS(rip, exit_code, exit_info1, exit_info2, + exit_int_info, exit_int_info_err), + + TP_STRUCT__entry( + __field( __u64, rip ) + __field( __u32, exit_code ) + __field( __u64, exit_info1 ) + __field( __u64, exit_info2 ) + __field( __u32, exit_int_info ) + __field( __u32, exit_int_info_err ) + ), + + TP_fast_assign( + __entry->rip = rip; + __entry->exit_code = exit_code; + __entry->exit_info1 = exit_info1; + __entry->exit_info2 = exit_info2; + __entry->exit_int_info = exit_int_info; + __entry->exit_int_info_err = exit_int_info_err; + ), + TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx " + "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x\n", + __entry->rip, + ftrace_print_symbols_seq(p, __entry->exit_code, + kvm_x86_ops->exit_reasons_str), + __entry->exit_info1, __entry->exit_info2, + __entry->exit_int_info, __entry->exit_int_info_err) +); + #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 3ab2f9042dd0..192d58efc6dc 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4985,3 +4985,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_page_fault); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_msr); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_cr); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_vmrun); +EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_nested_vmexit); |