[PATCH 5/7] KVM: x86: Add macro wrapper for defining kvm_exit tracepoint

Sean Christopherson
2020-07-18T06:39:28Z

Macrofy the definition of kvm_exit so that the definition can be reused
verbatim by kvm_nested_vmexit.

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
arch/x86/kvm/trace.h | 69 +++++++++++++++++++++++---------------------
1 file changed, 36 insertions(+), 33 deletions(-)

diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 4192b72c72fd8..6cb75ba494fcd 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -235,42 +235,45 @@ TRACE_EVENT(kvm_apic,
(isa == KVM_ISA_VMX) ? \
__print_flags(exit_reason & ~0xffff, " ", VMX_EXIT_REASON_FLAGS) : ""

+#define TRACE_EVENT_KVM_EXIT(name) \
+TRACE_EVENT(name, \
+ TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa), \
+ TP_ARGS(exit_reason, vcpu, isa), \
+ \
+ TP_STRUCT__entry( \
+ __field( unsigned int, exit_reason ) \
+ __field( unsigned long, guest_rip ) \
+ __field( u32, isa ) \
+ __field( u64, info1 ) \
+ __field( u64, info2 ) \
+ __field( u32, intr_info ) \
+ __field( u32, error_code ) \
+ __field( unsigned int, vcpu_id ) \
+ ), \
+ \
+ TP_fast_assign( \
+ __entry->exit_reason = exit_reason; \
+ __entry->guest_rip = kvm_rip_read(vcpu); \
+ __entry->isa = isa; \
+ __entry->vcpu_id = vcpu->vcpu_id; \
+ kvm_x86_ops.get_exit_info(vcpu, &__entry->info1, \
+ &__entry->info2, \
+ &__entry->intr_info, \
+ &__entry->error_code); \
+ ), \
+ \
+ TP_printk("vcpu %u reason %s%s%s rip 0x%lx info1 0x%016llx " \
+ "info2 0x%016llx intr_info 0x%08x error_code 0x%08x", \
+ __entry->vcpu_id, \
+ kvm_print_exit_reason(__entry->exit_reason, __entry->isa), \
+ __entry->guest_rip, __entry->info1, __entry->info2, \
+ __entry->intr_info, __entry->error_code) \
+)
+
/*
* Tracepoint for kvm guest exit:
*/
-TRACE_EVENT(kvm_exit,
- TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu, u32 isa),
- TP_ARGS(exit_reason, vcpu, isa),
-
- TP_STRUCT__entry(
- __field( unsigned int, exit_reason )
- __field( unsigned long, guest_rip )
- __field( u32, isa )
- __field( u64, info1 )
- __field( u64, info2 )
- __field( u32, intr_info )
- __field( u32, error_code )
- __field( unsigned int, vcpu_id )
- ),
-
- TP_fast_assign(
- __entry->exit_reason = exit_reason;
- __entry->guest_rip = kvm_rip_read(vcpu);
- __entry->isa = isa;
- __entry->vcpu_id = vcpu->vcpu_id;
- kvm_x86_ops.get_exit_info(vcpu, &__entry->info1,
- &__entry->info2,
- &__entry->intr_info,
- &__entry->error_code);
- ),
-
- TP_printk("vcpu %u reason %s%s%s rip 0x%lx info1 0x%016llx "
- "info2 0x%016llx intr_info 0x%08x error_code 0x%08x",
- __entry->vcpu_id,
- kvm_print_exit_reason(__entry->exit_reason, __entry->isa),
- __entry->guest_rip, __entry->info1, __entry->info2,
- __entry->intr_info, __entry->error_code)
-);
+TRACE_EVENT_KVM_EXIT(kvm_exit);

/*
* Tracepoint for kvm interrupt injection:
--
2.26.0