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 /* 21 * Tracepoints for VM enters 22 */ 23 TRACE_EVENT(kvm_enter, 24 TP_PROTO(struct kvm_vcpu *vcpu), 25 TP_ARGS(vcpu), 26 TP_STRUCT__entry( 27 __field(unsigned long, pc) 28 ), 29 30 TP_fast_assign( 31 __entry->pc = vcpu->arch.pc; 32 ), 33 34 TP_printk("PC: 0x%08lx", 35 __entry->pc) 36 ); 37 38 TRACE_EVENT(kvm_reenter, 39 TP_PROTO(struct kvm_vcpu *vcpu), 40 TP_ARGS(vcpu), 41 TP_STRUCT__entry( 42 __field(unsigned long, pc) 43 ), 44 45 TP_fast_assign( 46 __entry->pc = vcpu->arch.pc; 47 ), 48 49 TP_printk("PC: 0x%08lx", 50 __entry->pc) 51 ); 52 53 TRACE_EVENT(kvm_out, 54 TP_PROTO(struct kvm_vcpu *vcpu), 55 TP_ARGS(vcpu), 56 TP_STRUCT__entry( 57 __field(unsigned long, pc) 58 ), 59 60 TP_fast_assign( 61 __entry->pc = vcpu->arch.pc; 62 ), 63 64 TP_printk("PC: 0x%08lx", 65 __entry->pc) 66 ); 67 68 /* The first 32 exit reasons correspond to Cause.ExcCode */ 69 #define KVM_TRACE_EXIT_INT 0 70 #define KVM_TRACE_EXIT_TLBMOD 1 71 #define KVM_TRACE_EXIT_TLBMISS_LD 2 72 #define KVM_TRACE_EXIT_TLBMISS_ST 3 73 #define KVM_TRACE_EXIT_ADDRERR_LD 4 74 #define KVM_TRACE_EXIT_ADDRERR_ST 5 75 #define KVM_TRACE_EXIT_SYSCALL 8 76 #define KVM_TRACE_EXIT_BREAK_INST 9 77 #define KVM_TRACE_EXIT_RESVD_INST 10 78 #define KVM_TRACE_EXIT_COP_UNUSABLE 11 79 #define KVM_TRACE_EXIT_TRAP_INST 13 80 #define KVM_TRACE_EXIT_MSA_FPE 14 81 #define KVM_TRACE_EXIT_FPE 15 82 #define KVM_TRACE_EXIT_MSA_DISABLED 21 83 /* Further exit reasons */ 84 #define KVM_TRACE_EXIT_WAIT 32 85 #define KVM_TRACE_EXIT_CACHE 33 86 #define KVM_TRACE_EXIT_SIGNAL 34 87 88 /* Tracepoints for VM exits */ 89 #define kvm_trace_symbol_exit_types \ 90 { KVM_TRACE_EXIT_INT, "Interrupt" }, \ 91 { KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \ 92 { KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \ 93 { KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \ 94 { KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \ 95 { KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \ 96 { KVM_TRACE_EXIT_SYSCALL, "System Call" }, \ 97 { KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \ 98 { KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \ 99 { KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \ 100 { KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \ 101 { KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \ 102 { KVM_TRACE_EXIT_FPE, "FPE" }, \ 103 { KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \ 104 { KVM_TRACE_EXIT_WAIT, "WAIT" }, \ 105 { KVM_TRACE_EXIT_CACHE, "CACHE" }, \ 106 { KVM_TRACE_EXIT_SIGNAL, "Signal" } 107 108 TRACE_EVENT(kvm_exit, 109 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason), 110 TP_ARGS(vcpu, reason), 111 TP_STRUCT__entry( 112 __field(unsigned long, pc) 113 __field(unsigned int, reason) 114 ), 115 116 TP_fast_assign( 117 __entry->pc = vcpu->arch.pc; 118 __entry->reason = reason; 119 ), 120 121 TP_printk("[%s]PC: 0x%08lx", 122 __print_symbolic(__entry->reason, 123 kvm_trace_symbol_exit_types), 124 __entry->pc) 125 ); 126 127 #define KVM_TRACE_MFC0 0 128 #define KVM_TRACE_MTC0 1 129 #define KVM_TRACE_DMFC0 2 130 #define KVM_TRACE_DMTC0 3 131 #define KVM_TRACE_RDHWR 4 132 133 #define KVM_TRACE_HWR_COP0 0 134 #define KVM_TRACE_HWR_HWR 1 135 136 #define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \ 137 ((REG) << 3) | (SEL)) 138 #define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \ 139 ((REG) << 3) | (SEL)) 140 141 #define kvm_trace_symbol_hwr_ops \ 142 { KVM_TRACE_MFC0, "MFC0" }, \ 143 { KVM_TRACE_MTC0, "MTC0" }, \ 144 { KVM_TRACE_DMFC0, "DMFC0" }, \ 145 { KVM_TRACE_DMTC0, "DMTC0" }, \ 146 { KVM_TRACE_RDHWR, "RDHWR" } 147 148 #define kvm_trace_symbol_hwr_cop \ 149 { KVM_TRACE_HWR_COP0, "COP0" }, \ 150 { KVM_TRACE_HWR_HWR, "HWR" } 151 152 #define kvm_trace_symbol_hwr_regs \ 153 { KVM_TRACE_COP0( 0, 0), "Index" }, \ 154 { KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \ 155 { KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \ 156 { KVM_TRACE_COP0( 4, 0), "Context" }, \ 157 { KVM_TRACE_COP0( 4, 2), "UserLocal" }, \ 158 { KVM_TRACE_COP0( 5, 0), "PageMask" }, \ 159 { KVM_TRACE_COP0( 6, 0), "Wired" }, \ 160 { KVM_TRACE_COP0( 7, 0), "HWREna" }, \ 161 { KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \ 162 { KVM_TRACE_COP0( 9, 0), "Count" }, \ 163 { KVM_TRACE_COP0(10, 0), "EntryHi" }, \ 164 { KVM_TRACE_COP0(11, 0), "Compare" }, \ 165 { KVM_TRACE_COP0(12, 0), "Status" }, \ 166 { KVM_TRACE_COP0(12, 1), "IntCtl" }, \ 167 { KVM_TRACE_COP0(12, 2), "SRSCtl" }, \ 168 { KVM_TRACE_COP0(13, 0), "Cause" }, \ 169 { KVM_TRACE_COP0(14, 0), "EPC" }, \ 170 { KVM_TRACE_COP0(15, 0), "PRId" }, \ 171 { KVM_TRACE_COP0(15, 1), "EBase" }, \ 172 { KVM_TRACE_COP0(16, 0), "Config" }, \ 173 { KVM_TRACE_COP0(16, 1), "Config1" }, \ 174 { KVM_TRACE_COP0(16, 2), "Config2" }, \ 175 { KVM_TRACE_COP0(16, 3), "Config3" }, \ 176 { KVM_TRACE_COP0(16, 4), "Config4" }, \ 177 { KVM_TRACE_COP0(16, 5), "Config5" }, \ 178 { KVM_TRACE_COP0(16, 7), "Config7" }, \ 179 { KVM_TRACE_COP0(26, 0), "ECC" }, \ 180 { KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \ 181 { KVM_TRACE_HWR( 0, 0), "CPUNum" }, \ 182 { KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \ 183 { KVM_TRACE_HWR( 2, 0), "CC" }, \ 184 { KVM_TRACE_HWR( 3, 0), "CCRes" }, \ 185 { KVM_TRACE_HWR(29, 0), "ULR" } 186 187 TRACE_EVENT(kvm_hwr, 188 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg, 189 unsigned long val), 190 TP_ARGS(vcpu, op, reg, val), 191 TP_STRUCT__entry( 192 __field(unsigned long, val) 193 __field(u16, reg) 194 __field(u8, op) 195 ), 196 197 TP_fast_assign( 198 __entry->val = val; 199 __entry->reg = reg; 200 __entry->op = op; 201 ), 202 203 TP_printk("%s %s (%s:%u:%u) 0x%08lx", 204 __print_symbolic(__entry->op, 205 kvm_trace_symbol_hwr_ops), 206 __print_symbolic(__entry->reg, 207 kvm_trace_symbol_hwr_regs), 208 __print_symbolic(__entry->reg >> 8, 209 kvm_trace_symbol_hwr_cop), 210 (__entry->reg >> 3) & 0x1f, 211 __entry->reg & 0x7, 212 __entry->val) 213 ); 214 215 #define KVM_TRACE_AUX_RESTORE 0 216 #define KVM_TRACE_AUX_SAVE 1 217 #define KVM_TRACE_AUX_ENABLE 2 218 #define KVM_TRACE_AUX_DISABLE 3 219 #define KVM_TRACE_AUX_DISCARD 4 220 221 #define KVM_TRACE_AUX_FPU 1 222 #define KVM_TRACE_AUX_MSA 2 223 #define KVM_TRACE_AUX_FPU_MSA 3 224 225 #define kvm_trace_symbol_aux_op \ 226 { KVM_TRACE_AUX_RESTORE, "restore" }, \ 227 { KVM_TRACE_AUX_SAVE, "save" }, \ 228 { KVM_TRACE_AUX_ENABLE, "enable" }, \ 229 { KVM_TRACE_AUX_DISABLE, "disable" }, \ 230 { KVM_TRACE_AUX_DISCARD, "discard" } 231 232 #define kvm_trace_symbol_aux_state \ 233 { KVM_TRACE_AUX_FPU, "FPU" }, \ 234 { KVM_TRACE_AUX_MSA, "MSA" }, \ 235 { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" } 236 237 TRACE_EVENT(kvm_aux, 238 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, 239 unsigned int state), 240 TP_ARGS(vcpu, op, state), 241 TP_STRUCT__entry( 242 __field(unsigned long, pc) 243 __field(u8, op) 244 __field(u8, state) 245 ), 246 247 TP_fast_assign( 248 __entry->pc = vcpu->arch.pc; 249 __entry->op = op; 250 __entry->state = state; 251 ), 252 253 TP_printk("%s %s PC: 0x%08lx", 254 __print_symbolic(__entry->op, 255 kvm_trace_symbol_aux_op), 256 __print_symbolic(__entry->state, 257 kvm_trace_symbol_aux_state), 258 __entry->pc) 259 ); 260 261 TRACE_EVENT(kvm_asid_change, 262 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid, 263 unsigned int new_asid), 264 TP_ARGS(vcpu, old_asid, new_asid), 265 TP_STRUCT__entry( 266 __field(unsigned long, pc) 267 __field(u8, old_asid) 268 __field(u8, new_asid) 269 ), 270 271 TP_fast_assign( 272 __entry->pc = vcpu->arch.pc; 273 __entry->old_asid = old_asid; 274 __entry->new_asid = new_asid; 275 ), 276 277 TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x", 278 __entry->pc, 279 __entry->old_asid, 280 __entry->new_asid) 281 ); 282 283 #endif /* _TRACE_KVM_H */ 284 285 /* This part must be outside protection */ 286 #include <trace/define_trace.h> 287