diff options
| author | Tom Lendacky <thomas.lendacky@amd.com> | 2020-12-10 11:09:48 -0600 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-12-15 05:20:49 -0500 |
| commit | d523ab6ba2753bd41b4447ae48024182cb4da94f (patch) | |
| tree | c1f09121606b98cebde52427aacd4287216a500a /arch/x86/kvm/trace.h | |
| parent | e1d71116b64a54c3948d2692d4338e643408c411 (diff) | |
| download | linux-d523ab6ba2753bd41b4447ae48024182cb4da94f.tar.bz2 | |
KVM: SVM: Create trace events for VMGEXIT processing
Add trace events for entry to and exit from VMGEXIT processing. The vCPU
id and the exit reason will be common for the trace events. The exit info
fields will represent the input and output values for the entry and exit
events, respectively.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Message-Id: <25357dca49a38372e8f483753fb0c1c2a70a6898.1607620209.git.thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/trace.h')
| -rw-r--r-- | arch/x86/kvm/trace.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index aef960f90f26..7da931a511c9 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1578,6 +1578,59 @@ TRACE_EVENT(kvm_hv_syndbg_get_msr, __entry->vcpu_id, __entry->vp_index, __entry->msr, __entry->data) ); + +/* + * Tracepoint for the start of VMGEXIT processing + */ +TRACE_EVENT(kvm_vmgexit_enter, + TP_PROTO(unsigned int vcpu_id, struct ghcb *ghcb), + TP_ARGS(vcpu_id, ghcb), + + TP_STRUCT__entry( + __field(unsigned int, vcpu_id) + __field(u64, exit_reason) + __field(u64, info1) + __field(u64, info2) + ), + + TP_fast_assign( + __entry->vcpu_id = vcpu_id; + __entry->exit_reason = ghcb->save.sw_exit_code; + __entry->info1 = ghcb->save.sw_exit_info_1; + __entry->info2 = ghcb->save.sw_exit_info_2; + ), + + TP_printk("vcpu %u, exit_reason %llx, exit_info1 %llx, exit_info2 %llx", + __entry->vcpu_id, __entry->exit_reason, + __entry->info1, __entry->info2) +); + +/* + * Tracepoint for the end of VMGEXIT processing + */ +TRACE_EVENT(kvm_vmgexit_exit, + TP_PROTO(unsigned int vcpu_id, struct ghcb *ghcb), + TP_ARGS(vcpu_id, ghcb), + + TP_STRUCT__entry( + __field(unsigned int, vcpu_id) + __field(u64, exit_reason) + __field(u64, info1) + __field(u64, info2) + ), + + TP_fast_assign( + __entry->vcpu_id = vcpu_id; + __entry->exit_reason = ghcb->save.sw_exit_code; + __entry->info1 = ghcb->save.sw_exit_info_1; + __entry->info2 = ghcb->save.sw_exit_info_2; + ), + + TP_printk("vcpu %u, exit_reason %llx, exit_info1 %llx, exit_info2 %llx", + __entry->vcpu_id, __entry->exit_reason, + __entry->info1, __entry->info2) +); + #endif /* _TRACE_KVM_H */ #undef TRACE_INCLUDE_PATH |