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346 lines
9.9 KiB
346 lines
9.9 KiB
/* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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* |
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. |
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* Authors: Sanjay Lal <[email protected]> |
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*/ |
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#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) |
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#define _TRACE_KVM_H |
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#include <linux/tracepoint.h> |
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#undef TRACE_SYSTEM |
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#define TRACE_SYSTEM kvm |
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#define TRACE_INCLUDE_PATH . |
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#define TRACE_INCLUDE_FILE trace |
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/* |
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* arch/mips/kvm/mips.c |
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*/ |
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extern bool kvm_trace_guest_mode_change; |
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int kvm_guest_mode_change_trace_reg(void); |
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void kvm_guest_mode_change_trace_unreg(void); |
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/* |
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* Tracepoints for VM enters |
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*/ |
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DECLARE_EVENT_CLASS(kvm_transition, |
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TP_PROTO(struct kvm_vcpu *vcpu), |
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TP_ARGS(vcpu), |
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TP_STRUCT__entry( |
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__field(unsigned long, pc) |
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), |
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TP_fast_assign( |
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__entry->pc = vcpu->arch.pc; |
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), |
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TP_printk("PC: 0x%08lx", |
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__entry->pc) |
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); |
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DEFINE_EVENT(kvm_transition, kvm_enter, |
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TP_PROTO(struct kvm_vcpu *vcpu), |
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TP_ARGS(vcpu)); |
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DEFINE_EVENT(kvm_transition, kvm_reenter, |
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TP_PROTO(struct kvm_vcpu *vcpu), |
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TP_ARGS(vcpu)); |
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DEFINE_EVENT(kvm_transition, kvm_out, |
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TP_PROTO(struct kvm_vcpu *vcpu), |
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TP_ARGS(vcpu)); |
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/* The first 32 exit reasons correspond to Cause.ExcCode */ |
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#define KVM_TRACE_EXIT_INT 0 |
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#define KVM_TRACE_EXIT_TLBMOD 1 |
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#define KVM_TRACE_EXIT_TLBMISS_LD 2 |
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#define KVM_TRACE_EXIT_TLBMISS_ST 3 |
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#define KVM_TRACE_EXIT_ADDRERR_LD 4 |
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#define KVM_TRACE_EXIT_ADDRERR_ST 5 |
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#define KVM_TRACE_EXIT_SYSCALL 8 |
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#define KVM_TRACE_EXIT_BREAK_INST 9 |
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#define KVM_TRACE_EXIT_RESVD_INST 10 |
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#define KVM_TRACE_EXIT_COP_UNUSABLE 11 |
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#define KVM_TRACE_EXIT_TRAP_INST 13 |
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#define KVM_TRACE_EXIT_MSA_FPE 14 |
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#define KVM_TRACE_EXIT_FPE 15 |
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#define KVM_TRACE_EXIT_MSA_DISABLED 21 |
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#define KVM_TRACE_EXIT_GUEST_EXIT 27 |
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/* Further exit reasons */ |
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#define KVM_TRACE_EXIT_WAIT 32 |
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#define KVM_TRACE_EXIT_CACHE 33 |
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#define KVM_TRACE_EXIT_SIGNAL 34 |
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/* 32 exit reasons correspond to GuestCtl0.GExcCode (VZ) */ |
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#define KVM_TRACE_EXIT_GEXCCODE_BASE 64 |
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#define KVM_TRACE_EXIT_GPSI 64 /* 0 */ |
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#define KVM_TRACE_EXIT_GSFC 65 /* 1 */ |
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#define KVM_TRACE_EXIT_HC 66 /* 2 */ |
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#define KVM_TRACE_EXIT_GRR 67 /* 3 */ |
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#define KVM_TRACE_EXIT_GVA 72 /* 8 */ |
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#define KVM_TRACE_EXIT_GHFC 73 /* 9 */ |
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#define KVM_TRACE_EXIT_GPA 74 /* 10 */ |
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/* Tracepoints for VM exits */ |
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#define kvm_trace_symbol_exit_types \ |
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{ KVM_TRACE_EXIT_INT, "Interrupt" }, \ |
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{ KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \ |
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{ KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \ |
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{ KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \ |
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{ KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \ |
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{ KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \ |
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{ KVM_TRACE_EXIT_SYSCALL, "System Call" }, \ |
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{ KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \ |
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{ KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \ |
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{ KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \ |
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{ KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \ |
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{ KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \ |
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{ KVM_TRACE_EXIT_FPE, "FPE" }, \ |
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{ KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \ |
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{ KVM_TRACE_EXIT_GUEST_EXIT, "Guest Exit" }, \ |
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{ KVM_TRACE_EXIT_WAIT, "WAIT" }, \ |
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{ KVM_TRACE_EXIT_CACHE, "CACHE" }, \ |
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{ KVM_TRACE_EXIT_SIGNAL, "Signal" }, \ |
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{ KVM_TRACE_EXIT_GPSI, "GPSI" }, \ |
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{ KVM_TRACE_EXIT_GSFC, "GSFC" }, \ |
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{ KVM_TRACE_EXIT_HC, "HC" }, \ |
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{ KVM_TRACE_EXIT_GRR, "GRR" }, \ |
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{ KVM_TRACE_EXIT_GVA, "GVA" }, \ |
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{ KVM_TRACE_EXIT_GHFC, "GHFC" }, \ |
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{ KVM_TRACE_EXIT_GPA, "GPA" } |
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TRACE_EVENT(kvm_exit, |
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason), |
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TP_ARGS(vcpu, reason), |
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TP_STRUCT__entry( |
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__field(unsigned long, pc) |
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__field(unsigned int, reason) |
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), |
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TP_fast_assign( |
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__entry->pc = vcpu->arch.pc; |
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__entry->reason = reason; |
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), |
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TP_printk("[%s]PC: 0x%08lx", |
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__print_symbolic(__entry->reason, |
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kvm_trace_symbol_exit_types), |
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__entry->pc) |
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); |
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#define KVM_TRACE_MFC0 0 |
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#define KVM_TRACE_MTC0 1 |
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#define KVM_TRACE_DMFC0 2 |
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#define KVM_TRACE_DMTC0 3 |
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#define KVM_TRACE_RDHWR 4 |
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#define KVM_TRACE_HWR_COP0 0 |
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#define KVM_TRACE_HWR_HWR 1 |
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#define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \ |
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((REG) << 3) | (SEL)) |
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#define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \ |
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((REG) << 3) | (SEL)) |
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#define kvm_trace_symbol_hwr_ops \ |
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{ KVM_TRACE_MFC0, "MFC0" }, \ |
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{ KVM_TRACE_MTC0, "MTC0" }, \ |
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{ KVM_TRACE_DMFC0, "DMFC0" }, \ |
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{ KVM_TRACE_DMTC0, "DMTC0" }, \ |
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{ KVM_TRACE_RDHWR, "RDHWR" } |
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#define kvm_trace_symbol_hwr_cop \ |
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{ KVM_TRACE_HWR_COP0, "COP0" }, \ |
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{ KVM_TRACE_HWR_HWR, "HWR" } |
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#define kvm_trace_symbol_hwr_regs \ |
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{ KVM_TRACE_COP0( 0, 0), "Index" }, \ |
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{ KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \ |
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{ KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \ |
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{ KVM_TRACE_COP0( 4, 0), "Context" }, \ |
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{ KVM_TRACE_COP0( 4, 2), "UserLocal" }, \ |
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{ KVM_TRACE_COP0( 5, 0), "PageMask" }, \ |
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{ KVM_TRACE_COP0( 6, 0), "Wired" }, \ |
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{ KVM_TRACE_COP0( 7, 0), "HWREna" }, \ |
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{ KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \ |
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{ KVM_TRACE_COP0( 9, 0), "Count" }, \ |
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{ KVM_TRACE_COP0(10, 0), "EntryHi" }, \ |
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{ KVM_TRACE_COP0(11, 0), "Compare" }, \ |
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{ KVM_TRACE_COP0(12, 0), "Status" }, \ |
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{ KVM_TRACE_COP0(12, 1), "IntCtl" }, \ |
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{ KVM_TRACE_COP0(12, 2), "SRSCtl" }, \ |
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{ KVM_TRACE_COP0(13, 0), "Cause" }, \ |
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{ KVM_TRACE_COP0(14, 0), "EPC" }, \ |
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{ KVM_TRACE_COP0(15, 0), "PRId" }, \ |
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{ KVM_TRACE_COP0(15, 1), "EBase" }, \ |
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{ KVM_TRACE_COP0(16, 0), "Config" }, \ |
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{ KVM_TRACE_COP0(16, 1), "Config1" }, \ |
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{ KVM_TRACE_COP0(16, 2), "Config2" }, \ |
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{ KVM_TRACE_COP0(16, 3), "Config3" }, \ |
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{ KVM_TRACE_COP0(16, 4), "Config4" }, \ |
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{ KVM_TRACE_COP0(16, 5), "Config5" }, \ |
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{ KVM_TRACE_COP0(16, 7), "Config7" }, \ |
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{ KVM_TRACE_COP0(17, 1), "MAAR" }, \ |
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{ KVM_TRACE_COP0(17, 2), "MAARI" }, \ |
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{ KVM_TRACE_COP0(26, 0), "ECC" }, \ |
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{ KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \ |
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{ KVM_TRACE_COP0(31, 2), "KScratch1" }, \ |
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{ KVM_TRACE_COP0(31, 3), "KScratch2" }, \ |
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{ KVM_TRACE_COP0(31, 4), "KScratch3" }, \ |
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{ KVM_TRACE_COP0(31, 5), "KScratch4" }, \ |
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{ KVM_TRACE_COP0(31, 6), "KScratch5" }, \ |
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{ KVM_TRACE_COP0(31, 7), "KScratch6" }, \ |
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{ KVM_TRACE_HWR( 0, 0), "CPUNum" }, \ |
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{ KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \ |
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{ KVM_TRACE_HWR( 2, 0), "CC" }, \ |
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{ KVM_TRACE_HWR( 3, 0), "CCRes" }, \ |
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{ KVM_TRACE_HWR(29, 0), "ULR" } |
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TRACE_EVENT(kvm_hwr, |
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg, |
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unsigned long val), |
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TP_ARGS(vcpu, op, reg, val), |
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TP_STRUCT__entry( |
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__field(unsigned long, val) |
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__field(u16, reg) |
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__field(u8, op) |
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), |
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TP_fast_assign( |
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__entry->val = val; |
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__entry->reg = reg; |
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__entry->op = op; |
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), |
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TP_printk("%s %s (%s:%u:%u) 0x%08lx", |
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__print_symbolic(__entry->op, |
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kvm_trace_symbol_hwr_ops), |
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__print_symbolic(__entry->reg, |
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kvm_trace_symbol_hwr_regs), |
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__print_symbolic(__entry->reg >> 8, |
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kvm_trace_symbol_hwr_cop), |
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(__entry->reg >> 3) & 0x1f, |
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__entry->reg & 0x7, |
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__entry->val) |
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); |
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#define KVM_TRACE_AUX_RESTORE 0 |
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#define KVM_TRACE_AUX_SAVE 1 |
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#define KVM_TRACE_AUX_ENABLE 2 |
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#define KVM_TRACE_AUX_DISABLE 3 |
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#define KVM_TRACE_AUX_DISCARD 4 |
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#define KVM_TRACE_AUX_FPU 1 |
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#define KVM_TRACE_AUX_MSA 2 |
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#define KVM_TRACE_AUX_FPU_MSA 3 |
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#define kvm_trace_symbol_aux_op \ |
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{ KVM_TRACE_AUX_RESTORE, "restore" }, \ |
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{ KVM_TRACE_AUX_SAVE, "save" }, \ |
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{ KVM_TRACE_AUX_ENABLE, "enable" }, \ |
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{ KVM_TRACE_AUX_DISABLE, "disable" }, \ |
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{ KVM_TRACE_AUX_DISCARD, "discard" } |
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#define kvm_trace_symbol_aux_state \ |
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{ KVM_TRACE_AUX_FPU, "FPU" }, \ |
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{ KVM_TRACE_AUX_MSA, "MSA" }, \ |
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{ KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" } |
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TRACE_EVENT(kvm_aux, |
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, |
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unsigned int state), |
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TP_ARGS(vcpu, op, state), |
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TP_STRUCT__entry( |
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__field(unsigned long, pc) |
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__field(u8, op) |
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__field(u8, state) |
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), |
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TP_fast_assign( |
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__entry->pc = vcpu->arch.pc; |
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__entry->op = op; |
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__entry->state = state; |
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), |
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TP_printk("%s %s PC: 0x%08lx", |
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__print_symbolic(__entry->op, |
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kvm_trace_symbol_aux_op), |
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__print_symbolic(__entry->state, |
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kvm_trace_symbol_aux_state), |
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__entry->pc) |
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); |
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TRACE_EVENT(kvm_asid_change, |
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid, |
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unsigned int new_asid), |
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TP_ARGS(vcpu, old_asid, new_asid), |
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TP_STRUCT__entry( |
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__field(unsigned long, pc) |
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__field(u8, old_asid) |
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__field(u8, new_asid) |
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), |
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TP_fast_assign( |
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__entry->pc = vcpu->arch.pc; |
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__entry->old_asid = old_asid; |
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__entry->new_asid = new_asid; |
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), |
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TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x", |
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__entry->pc, |
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__entry->old_asid, |
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__entry->new_asid) |
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); |
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TRACE_EVENT(kvm_guestid_change, |
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TP_PROTO(struct kvm_vcpu *vcpu, unsigned int guestid), |
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TP_ARGS(vcpu, guestid), |
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TP_STRUCT__entry( |
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__field(unsigned int, guestid) |
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), |
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TP_fast_assign( |
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__entry->guestid = guestid; |
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), |
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TP_printk("GuestID: 0x%02x", |
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__entry->guestid) |
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); |
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TRACE_EVENT_FN(kvm_guest_mode_change, |
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TP_PROTO(struct kvm_vcpu *vcpu), |
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TP_ARGS(vcpu), |
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TP_STRUCT__entry( |
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__field(unsigned long, epc) |
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__field(unsigned long, pc) |
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__field(unsigned long, badvaddr) |
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__field(unsigned int, status) |
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__field(unsigned int, cause) |
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), |
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TP_fast_assign( |
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__entry->epc = kvm_read_c0_guest_epc(vcpu->arch.cop0); |
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__entry->pc = vcpu->arch.pc; |
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__entry->badvaddr = kvm_read_c0_guest_badvaddr(vcpu->arch.cop0); |
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__entry->status = kvm_read_c0_guest_status(vcpu->arch.cop0); |
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__entry->cause = kvm_read_c0_guest_cause(vcpu->arch.cop0); |
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), |
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TP_printk("EPC: 0x%08lx PC: 0x%08lx Status: 0x%08x Cause: 0x%08x BadVAddr: 0x%08lx", |
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__entry->epc, |
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__entry->pc, |
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__entry->status, |
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__entry->cause, |
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__entry->badvaddr), |
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kvm_guest_mode_change_trace_reg, |
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kvm_guest_mode_change_trace_unreg |
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); |
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#endif /* _TRACE_KVM_H */ |
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/* This part must be outside protection */ |
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#include <trace/define_trace.h>
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