1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. 7 * Authors: Sanjay Lal <sanjayl@kymasys.com> 8 */ 9 10 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) 11 #define _TRACE_KVM_H 12 13 #include <linux/tracepoint.h> 14 15 #undef TRACE_SYSTEM 16 #define TRACE_SYSTEM kvm 17 #define TRACE_INCLUDE_PATH . 18 #define TRACE_INCLUDE_FILE trace 19 20 /* The first 32 exit reasons correspond to Cause.ExcCode */ 21 #define KVM_TRACE_EXIT_INT 0 22 #define KVM_TRACE_EXIT_TLBMOD 1 23 #define KVM_TRACE_EXIT_TLBMISS_LD 2 24 #define KVM_TRACE_EXIT_TLBMISS_ST 3 25 #define KVM_TRACE_EXIT_ADDRERR_LD 4 26 #define KVM_TRACE_EXIT_ADDRERR_ST 5 27 #define KVM_TRACE_EXIT_SYSCALL 8 28 #define KVM_TRACE_EXIT_BREAK_INST 9 29 #define KVM_TRACE_EXIT_RESVD_INST 10 30 #define KVM_TRACE_EXIT_COP_UNUSABLE 11 31 #define KVM_TRACE_EXIT_TRAP_INST 13 32 #define KVM_TRACE_EXIT_MSA_FPE 14 33 #define KVM_TRACE_EXIT_FPE 15 34 #define KVM_TRACE_EXIT_MSA_DISABLED 21 35 /* Further exit reasons */ 36 #define KVM_TRACE_EXIT_WAIT 32 37 #define KVM_TRACE_EXIT_CACHE 33 38 #define KVM_TRACE_EXIT_SIGNAL 34 39 40 /* Tracepoints for VM exits */ 41 #define kvm_trace_symbol_exit_types \ 42 { KVM_TRACE_EXIT_INT, "Interrupt" }, \ 43 { KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \ 44 { KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \ 45 { KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \ 46 { KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \ 47 { KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \ 48 { KVM_TRACE_EXIT_SYSCALL, "System Call" }, \ 49 { KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \ 50 { KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \ 51 { KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \ 52 { KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \ 53 { KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \ 54 { KVM_TRACE_EXIT_FPE, "FPE" }, \ 55 { KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \ 56 { KVM_TRACE_EXIT_WAIT, "WAIT" }, \ 57 { KVM_TRACE_EXIT_CACHE, "CACHE" }, \ 58 { KVM_TRACE_EXIT_SIGNAL, "Signal" } 59 60 TRACE_EVENT(kvm_exit, 61 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason), 62 TP_ARGS(vcpu, reason), 63 TP_STRUCT__entry( 64 __field(unsigned long, pc) 65 __field(unsigned int, reason) 66 ), 67 68 TP_fast_assign( 69 __entry->pc = vcpu->arch.pc; 70 __entry->reason = reason; 71 ), 72 73 TP_printk("[%s]PC: 0x%08lx", 74 __print_symbolic(__entry->reason, 75 kvm_trace_symbol_exit_types), 76 __entry->pc) 77 ); 78 79 #define KVM_TRACE_AUX_RESTORE 0 80 #define KVM_TRACE_AUX_SAVE 1 81 #define KVM_TRACE_AUX_ENABLE 2 82 #define KVM_TRACE_AUX_DISABLE 3 83 #define KVM_TRACE_AUX_DISCARD 4 84 85 #define KVM_TRACE_AUX_FPU 1 86 #define KVM_TRACE_AUX_MSA 2 87 #define KVM_TRACE_AUX_FPU_MSA 3 88 89 #define kvm_trace_symbol_aux_op \ 90 { KVM_TRACE_AUX_RESTORE, "restore" }, \ 91 { KVM_TRACE_AUX_SAVE, "save" }, \ 92 { KVM_TRACE_AUX_ENABLE, "enable" }, \ 93 { KVM_TRACE_AUX_DISABLE, "disable" }, \ 94 { KVM_TRACE_AUX_DISCARD, "discard" } 95 96 #define kvm_trace_symbol_aux_state \ 97 { KVM_TRACE_AUX_FPU, "FPU" }, \ 98 { KVM_TRACE_AUX_MSA, "MSA" }, \ 99 { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" } 100 101 TRACE_EVENT(kvm_aux, 102 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, 103 unsigned int state), 104 TP_ARGS(vcpu, op, state), 105 TP_STRUCT__entry( 106 __field(unsigned long, pc) 107 __field(u8, op) 108 __field(u8, state) 109 ), 110 111 TP_fast_assign( 112 __entry->pc = vcpu->arch.pc; 113 __entry->op = op; 114 __entry->state = state; 115 ), 116 117 TP_printk("%s %s PC: 0x%08lx", 118 __print_symbolic(__entry->op, 119 kvm_trace_symbol_aux_op), 120 __print_symbolic(__entry->state, 121 kvm_trace_symbol_aux_state), 122 __entry->pc) 123 ); 124 125 #endif /* _TRACE_KVM_H */ 126 127 /* This part must be outside protection */ 128 #include <trace/define_trace.h> 129