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Diffstat (limited to 'arch/mips/kvm/trace.h')
-rw-r--r--arch/mips/kvm/trace.h236
1 files changed, 233 insertions, 3 deletions
diff --git a/arch/mips/kvm/trace.h b/arch/mips/kvm/trace.h
index bd6437f67dc0..c858cf168078 100644
--- a/arch/mips/kvm/trace.h
+++ b/arch/mips/kvm/trace.h
@@ -17,8 +17,75 @@
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace
-/* Tracepoints for VM eists */
-extern char *kvm_mips_exit_types_str[MAX_KVM_MIPS_EXIT_TYPES];
+/*
+ * Tracepoints for VM enters
+ */
+DECLARE_EVENT_CLASS(kvm_transition,
+ TP_PROTO(struct kvm_vcpu *vcpu),
+ TP_ARGS(vcpu),
+ TP_STRUCT__entry(
+ __field(unsigned long, pc)
+ ),
+
+ TP_fast_assign(
+ __entry->pc = vcpu->arch.pc;
+ ),
+
+ TP_printk("PC: 0x%08lx",
+ __entry->pc)
+);
+
+DEFINE_EVENT(kvm_transition, kvm_enter,
+ TP_PROTO(struct kvm_vcpu *vcpu),
+ TP_ARGS(vcpu));
+
+DEFINE_EVENT(kvm_transition, kvm_reenter,
+ TP_PROTO(struct kvm_vcpu *vcpu),
+ TP_ARGS(vcpu));
+
+DEFINE_EVENT(kvm_transition, kvm_out,
+ TP_PROTO(struct kvm_vcpu *vcpu),
+ TP_ARGS(vcpu));
+
+/* The first 32 exit reasons correspond to Cause.ExcCode */
+#define KVM_TRACE_EXIT_INT 0
+#define KVM_TRACE_EXIT_TLBMOD 1
+#define KVM_TRACE_EXIT_TLBMISS_LD 2
+#define KVM_TRACE_EXIT_TLBMISS_ST 3
+#define KVM_TRACE_EXIT_ADDRERR_LD 4
+#define KVM_TRACE_EXIT_ADDRERR_ST 5
+#define KVM_TRACE_EXIT_SYSCALL 8
+#define KVM_TRACE_EXIT_BREAK_INST 9
+#define KVM_TRACE_EXIT_RESVD_INST 10
+#define KVM_TRACE_EXIT_COP_UNUSABLE 11
+#define KVM_TRACE_EXIT_TRAP_INST 13
+#define KVM_TRACE_EXIT_MSA_FPE 14
+#define KVM_TRACE_EXIT_FPE 15
+#define KVM_TRACE_EXIT_MSA_DISABLED 21
+/* Further exit reasons */
+#define KVM_TRACE_EXIT_WAIT 32
+#define KVM_TRACE_EXIT_CACHE 33
+#define KVM_TRACE_EXIT_SIGNAL 34
+
+/* Tracepoints for VM exits */
+#define kvm_trace_symbol_exit_types \
+ { KVM_TRACE_EXIT_INT, "Interrupt" }, \
+ { KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \
+ { KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \
+ { KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \
+ { KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \
+ { KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \
+ { KVM_TRACE_EXIT_SYSCALL, "System Call" }, \
+ { KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \
+ { KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \
+ { KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \
+ { KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \
+ { KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \
+ { KVM_TRACE_EXIT_FPE, "FPE" }, \
+ { KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \
+ { KVM_TRACE_EXIT_WAIT, "WAIT" }, \
+ { KVM_TRACE_EXIT_CACHE, "CACHE" }, \
+ { KVM_TRACE_EXIT_SIGNAL, "Signal" }
TRACE_EVENT(kvm_exit,
TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
@@ -34,10 +101,173 @@ TRACE_EVENT(kvm_exit,
),
TP_printk("[%s]PC: 0x%08lx",
- kvm_mips_exit_types_str[__entry->reason],
+ __print_symbolic(__entry->reason,
+ kvm_trace_symbol_exit_types),
__entry->pc)
);
+#define KVM_TRACE_MFC0 0
+#define KVM_TRACE_MTC0 1
+#define KVM_TRACE_DMFC0 2
+#define KVM_TRACE_DMTC0 3
+#define KVM_TRACE_RDHWR 4
+
+#define KVM_TRACE_HWR_COP0 0
+#define KVM_TRACE_HWR_HWR 1
+
+#define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \
+ ((REG) << 3) | (SEL))
+#define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \
+ ((REG) << 3) | (SEL))
+
+#define kvm_trace_symbol_hwr_ops \
+ { KVM_TRACE_MFC0, "MFC0" }, \
+ { KVM_TRACE_MTC0, "MTC0" }, \
+ { KVM_TRACE_DMFC0, "DMFC0" }, \
+ { KVM_TRACE_DMTC0, "DMTC0" }, \
+ { KVM_TRACE_RDHWR, "RDHWR" }
+
+#define kvm_trace_symbol_hwr_cop \
+ { KVM_TRACE_HWR_COP0, "COP0" }, \
+ { KVM_TRACE_HWR_HWR, "HWR" }
+
+#define kvm_trace_symbol_hwr_regs \
+ { KVM_TRACE_COP0( 0, 0), "Index" }, \
+ { KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \
+ { KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \
+ { KVM_TRACE_COP0( 4, 0), "Context" }, \
+ { KVM_TRACE_COP0( 4, 2), "UserLocal" }, \
+ { KVM_TRACE_COP0( 5, 0), "PageMask" }, \
+ { KVM_TRACE_COP0( 6, 0), "Wired" }, \
+ { KVM_TRACE_COP0( 7, 0), "HWREna" }, \
+ { KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \
+ { KVM_TRACE_COP0( 9, 0), "Count" }, \
+ { KVM_TRACE_COP0(10, 0), "EntryHi" }, \
+ { KVM_TRACE_COP0(11, 0), "Compare" }, \
+ { KVM_TRACE_COP0(12, 0), "Status" }, \
+ { KVM_TRACE_COP0(12, 1), "IntCtl" }, \
+ { KVM_TRACE_COP0(12, 2), "SRSCtl" }, \
+ { KVM_TRACE_COP0(13, 0), "Cause" }, \
+ { KVM_TRACE_COP0(14, 0), "EPC" }, \
+ { KVM_TRACE_COP0(15, 0), "PRId" }, \
+ { KVM_TRACE_COP0(15, 1), "EBase" }, \
+ { KVM_TRACE_COP0(16, 0), "Config" }, \
+ { KVM_TRACE_COP0(16, 1), "Config1" }, \
+ { KVM_TRACE_COP0(16, 2), "Config2" }, \
+ { KVM_TRACE_COP0(16, 3), "Config3" }, \
+ { KVM_TRACE_COP0(16, 4), "Config4" }, \
+ { KVM_TRACE_COP0(16, 5), "Config5" }, \
+ { KVM_TRACE_COP0(16, 7), "Config7" }, \
+ { KVM_TRACE_COP0(26, 0), "ECC" }, \
+ { KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \
+ { KVM_TRACE_COP0(31, 2), "KScratch1" }, \
+ { KVM_TRACE_COP0(31, 3), "KScratch2" }, \
+ { KVM_TRACE_COP0(31, 4), "KScratch3" }, \
+ { KVM_TRACE_COP0(31, 5), "KScratch4" }, \
+ { KVM_TRACE_COP0(31, 6), "KScratch5" }, \
+ { KVM_TRACE_COP0(31, 7), "KScratch6" }, \
+ { KVM_TRACE_HWR( 0, 0), "CPUNum" }, \
+ { KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \
+ { KVM_TRACE_HWR( 2, 0), "CC" }, \
+ { KVM_TRACE_HWR( 3, 0), "CCRes" }, \
+ { KVM_TRACE_HWR(29, 0), "ULR" }
+
+TRACE_EVENT(kvm_hwr,
+ TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg,
+ unsigned long val),
+ TP_ARGS(vcpu, op, reg, val),
+ TP_STRUCT__entry(
+ __field(unsigned long, val)
+ __field(u16, reg)
+ __field(u8, op)
+ ),
+
+ TP_fast_assign(
+ __entry->val = val;
+ __entry->reg = reg;
+ __entry->op = op;
+ ),
+
+ TP_printk("%s %s (%s:%u:%u) 0x%08lx",
+ __print_symbolic(__entry->op,
+ kvm_trace_symbol_hwr_ops),
+ __print_symbolic(__entry->reg,
+ kvm_trace_symbol_hwr_regs),
+ __print_symbolic(__entry->reg >> 8,
+ kvm_trace_symbol_hwr_cop),
+ (__entry->reg >> 3) & 0x1f,
+ __entry->reg & 0x7,
+ __entry->val)
+);
+
+#define KVM_TRACE_AUX_RESTORE 0
+#define KVM_TRACE_AUX_SAVE 1
+#define KVM_TRACE_AUX_ENABLE 2
+#define KVM_TRACE_AUX_DISABLE 3
+#define KVM_TRACE_AUX_DISCARD 4
+
+#define KVM_TRACE_AUX_FPU 1
+#define KVM_TRACE_AUX_MSA 2
+#define KVM_TRACE_AUX_FPU_MSA 3
+
+#define kvm_trace_symbol_aux_op \
+ { KVM_TRACE_AUX_RESTORE, "restore" }, \
+ { KVM_TRACE_AUX_SAVE, "save" }, \
+ { KVM_TRACE_AUX_ENABLE, "enable" }, \
+ { KVM_TRACE_AUX_DISABLE, "disable" }, \
+ { KVM_TRACE_AUX_DISCARD, "discard" }
+
+#define kvm_trace_symbol_aux_state \
+ { KVM_TRACE_AUX_FPU, "FPU" }, \
+ { KVM_TRACE_AUX_MSA, "MSA" }, \
+ { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" }
+
+TRACE_EVENT(kvm_aux,
+ TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op,
+ unsigned int state),
+ TP_ARGS(vcpu, op, state),
+ TP_STRUCT__entry(
+ __field(unsigned long, pc)
+ __field(u8, op)
+ __field(u8, state)
+ ),
+
+ TP_fast_assign(
+ __entry->pc = vcpu->arch.pc;
+ __entry->op = op;
+ __entry->state = state;
+ ),
+
+ TP_printk("%s %s PC: 0x%08lx",
+ __print_symbolic(__entry->op,
+ kvm_trace_symbol_aux_op),
+ __print_symbolic(__entry->state,
+ kvm_trace_symbol_aux_state),
+ __entry->pc)
+);
+
+TRACE_EVENT(kvm_asid_change,
+ TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid,
+ unsigned int new_asid),
+ TP_ARGS(vcpu, old_asid, new_asid),
+ TP_STRUCT__entry(
+ __field(unsigned long, pc)
+ __field(u8, old_asid)
+ __field(u8, new_asid)
+ ),
+
+ TP_fast_assign(
+ __entry->pc = vcpu->arch.pc;
+ __entry->old_asid = old_asid;
+ __entry->new_asid = new_asid;
+ ),
+
+ TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x",
+ __entry->pc,
+ __entry->old_asid,
+ __entry->new_asid)
+);
+
#endif /* _TRACE_KVM_H */
/* This part must be outside protection */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 14:08:13 +0000