diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/svm/sev.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/trace.h | 53 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
3 files changed, 61 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index db123562e7d5..089951cbe28e 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -15,10 +15,12 @@ #include <linux/pagemap.h> #include <linux/swap.h> #include <linux/processor.h> +#include <linux/trace_events.h> #include "x86.h" #include "svm.h" #include "cpuid.h" +#include "trace.h" static u8 sev_enc_bit; static int sev_flush_asids(void); @@ -1468,6 +1470,8 @@ static void pre_sev_es_run(struct vcpu_svm *svm) if (!svm->ghcb) return; + trace_kvm_vmgexit_exit(svm->vcpu.vcpu_id, svm->ghcb); + sev_es_sync_to_ghcb(svm); kvm_vcpu_unmap(&svm->vcpu, &svm->ghcb_map, true); @@ -1617,6 +1621,8 @@ int sev_handle_vmgexit(struct vcpu_svm *svm) svm->ghcb = svm->ghcb_map.hva; ghcb = svm->ghcb_map.hva; + trace_kvm_vmgexit_enter(svm->vcpu.vcpu_id, ghcb); + exit_code = ghcb_get_sw_exit_code(ghcb); ret = sev_es_validate_vmgexit(svm); 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 diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d88e334b19e7..10704bd8c38a 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -11314,3 +11314,5 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_unaccelerated_access); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_incomplete_ipi); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_avic_ga_log); EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_apicv_update_request); +EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_vmgexit_enter); +EXPORT_TRACEPOINT_SYMBOL_GPL(kvm_vmgexit_exit); |