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Diffstat (limited to 'arch/x86/kvm/trace.h')
-rw-r--r--arch/x86/kvm/trace.h115
1 files changed, 85 insertions, 30 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 88659de4d2a7..ba736cbb0587 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -11,6 +11,13 @@
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm
+#ifdef CREATE_TRACE_POINTS
+#define tracing_kvm_rip_read(vcpu) ({ \
+ typeof(vcpu) __vcpu = vcpu; \
+ __vcpu->arch.guest_state_protected ? 0 : kvm_rip_read(__vcpu); \
+ })
+#endif
+
/*
* Tracepoint for guest mode entry.
*/
@@ -22,15 +29,22 @@ TRACE_EVENT(kvm_entry,
__field( unsigned int, vcpu_id )
__field( unsigned long, rip )
__field( bool, immediate_exit )
+ __field( u32, intr_info )
+ __field( u32, error_code )
),
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
- __entry->rip = kvm_rip_read(vcpu);
+ __entry->rip = tracing_kvm_rip_read(vcpu);
__entry->immediate_exit = force_immediate_exit;
+
+ kvm_x86_call(get_entry_info)(vcpu, &__entry->intr_info,
+ &__entry->error_code);
),
- TP_printk("vcpu %u, rip 0x%lx%s", __entry->vcpu_id, __entry->rip,
+ TP_printk("vcpu %u, rip 0x%lx intr_info 0x%08x error_code 0x%08x%s",
+ __entry->vcpu_id, __entry->rip,
+ __entry->intr_info, __entry->error_code,
__entry->immediate_exit ? "[immediate exit]" : "")
);
@@ -308,26 +322,30 @@ TRACE_EVENT(name, \
__field( u32, intr_info ) \
__field( u32, error_code ) \
__field( unsigned int, vcpu_id ) \
+ __field( u64, requests ) \
), \
\
TP_fast_assign( \
- __entry->guest_rip = kvm_rip_read(vcpu); \
+ __entry->guest_rip = tracing_kvm_rip_read(vcpu); \
__entry->isa = isa; \
__entry->vcpu_id = vcpu->vcpu_id; \
- static_call(kvm_x86_get_exit_info)(vcpu, \
- &__entry->exit_reason, \
- &__entry->info1, \
- &__entry->info2, \
- &__entry->intr_info, \
- &__entry->error_code); \
+ __entry->requests = READ_ONCE(vcpu->requests); \
+ kvm_x86_call(get_exit_info)(vcpu, \
+ &__entry->exit_reason, \
+ &__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", \
+ "info2 0x%016llx intr_info 0x%08x error_code 0x%08x " \
+ "requests 0x%016llx", \
__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) \
+ __entry->intr_info, __entry->error_code, \
+ __entry->requests) \
)
/*
@@ -412,7 +430,7 @@ TRACE_EVENT(kvm_page_fault,
TP_fast_assign(
__entry->vcpu_id = vcpu->vcpu_id;
- __entry->guest_rip = kvm_rip_read(vcpu);
+ __entry->guest_rip = tracing_kvm_rip_read(vcpu);
__entry->fault_address = fault_address;
__entry->error_code = error_code;
),
@@ -735,13 +753,13 @@ TRACE_EVENT(kvm_nested_intr_vmexit,
* Tracepoint for nested #vmexit because of interrupt pending
*/
TRACE_EVENT(kvm_invlpga,
- TP_PROTO(__u64 rip, int asid, u64 address),
+ TP_PROTO(__u64 rip, unsigned int asid, u64 address),
TP_ARGS(rip, asid, address),
TP_STRUCT__entry(
- __field( __u64, rip )
- __field( int, asid )
- __field( __u64, address )
+ __field( __u64, rip )
+ __field( unsigned int, asid )
+ __field( __u64, address )
),
TP_fast_assign(
@@ -750,7 +768,7 @@ TRACE_EVENT(kvm_invlpga,
__entry->address = address;
),
- TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx",
+ TP_printk("rip: 0x%016llx asid: %u address: 0x%016llx",
__entry->rip, __entry->asid, __entry->address)
);
@@ -819,22 +837,23 @@ TRACE_EVENT(kvm_emulate_insn,
TP_ARGS(vcpu, failed),
TP_STRUCT__entry(
- __field( __u64, rip )
- __field( __u32, csbase )
- __field( __u8, len )
- __array( __u8, insn, 15 )
- __field( __u8, flags )
- __field( __u8, failed )
+ __field( __u64, rip )
+ __field( __u32, csbase )
+ __field( __u8, len )
+ __array( __u8, insn, X86_MAX_INSTRUCTION_LENGTH )
+ __field( __u8, flags )
+ __field( __u8, failed )
),
TP_fast_assign(
- __entry->csbase = static_call(kvm_x86_get_segment_base)(vcpu, VCPU_SREG_CS);
+ __entry->csbase = kvm_x86_call(get_segment_base)(vcpu,
+ VCPU_SREG_CS);
__entry->len = vcpu->arch.emulate_ctxt->fetch.ptr
- vcpu->arch.emulate_ctxt->fetch.data;
__entry->rip = vcpu->arch.emulate_ctxt->_eip - __entry->len;
memcpy(__entry->insn,
vcpu->arch.emulate_ctxt->fetch.data,
- 15);
+ X86_MAX_INSTRUCTION_LENGTH);
__entry->flags = kei_decode_mode(vcpu->arch.emulate_ctxt->mode);
__entry->failed = failed;
),
@@ -1074,7 +1093,7 @@ TRACE_EVENT(kvm_smm_transition,
);
/*
- * Tracepoint for VT-d posted-interrupts.
+ * Tracepoint for VT-d posted-interrupts and AMD-Vi Guest Virtual APIC.
*/
TRACE_EVENT(kvm_pi_irte_update,
TP_PROTO(unsigned int host_irq, unsigned int vcpu_id,
@@ -1100,7 +1119,7 @@ TRACE_EVENT(kvm_pi_irte_update,
__entry->set = set;
),
- TP_printk("VT-d PI is %s for irq %u, vcpu %u, gsi: 0x%x, "
+ TP_printk("PI is %s for irq %u, vcpu %u, gsi: 0x%x, "
"gvec: 0x%x, pi_desc_addr: 0x%llx",
__entry->set ? "enabled and being updated" : "disabled",
__entry->host_irq,
@@ -1375,6 +1394,10 @@ TRACE_EVENT(kvm_hv_stimer_cleanup,
__entry->vcpu_id, __entry->timer_index)
);
+#define kvm_print_apicv_inhibit_reasons(inhibits) \
+ (inhibits), (inhibits) ? " " : "", \
+ (inhibits) ? __print_flags(inhibits, "|", APICV_INHIBIT_REASONS) : ""
+
TRACE_EVENT(kvm_apicv_inhibit_changed,
TP_PROTO(int reason, bool set, unsigned long inhibits),
TP_ARGS(reason, set, inhibits),
@@ -1391,9 +1414,10 @@ TRACE_EVENT(kvm_apicv_inhibit_changed,
__entry->inhibits = inhibits;
),
- TP_printk("%s reason=%u, inhibits=0x%lx",
+ TP_printk("%s reason=%u, inhibits=0x%lx%s%s",
__entry->set ? "set" : "cleared",
- __entry->reason, __entry->inhibits)
+ __entry->reason,
+ kvm_print_apicv_inhibit_reasons(__entry->inhibits))
);
TRACE_EVENT(kvm_apicv_accept_irq,
@@ -1678,7 +1702,7 @@ TRACE_EVENT(kvm_nested_vmenter_failed,
),
TP_fast_assign(
- __assign_str(msg, msg);
+ __assign_str(msg);
__entry->err = err;
),
@@ -1834,6 +1858,37 @@ TRACE_EVENT(kvm_vmgexit_msr_protocol_exit,
__entry->vcpu_id, __entry->ghcb_gpa, __entry->result)
);
+/*
+ * Tracepoint for #NPFs due to RMP faults.
+ */
+TRACE_EVENT(kvm_rmp_fault,
+ TP_PROTO(struct kvm_vcpu *vcpu, u64 gpa, u64 pfn, u64 error_code,
+ int rmp_level, int psmash_ret),
+ TP_ARGS(vcpu, gpa, pfn, error_code, rmp_level, psmash_ret),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, vcpu_id)
+ __field(u64, gpa)
+ __field(u64, pfn)
+ __field(u64, error_code)
+ __field(int, rmp_level)
+ __field(int, psmash_ret)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_id = vcpu->vcpu_id;
+ __entry->gpa = gpa;
+ __entry->pfn = pfn;
+ __entry->error_code = error_code;
+ __entry->rmp_level = rmp_level;
+ __entry->psmash_ret = psmash_ret;
+ ),
+
+ TP_printk("vcpu %u gpa %016llx pfn 0x%llx error_code 0x%llx rmp_level %d psmash_ret %d",
+ __entry->vcpu_id, __entry->gpa, __entry->pfn,
+ __entry->error_code, __entry->rmp_level, __entry->psmash_ret)
+);
+
#endif /* _TRACE_KVM_H */
#undef TRACE_INCLUDE_PATH
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.