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 DECLARE_EVENT_CLASS(kvm_transition, 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 DEFINE_EVENT(kvm_transition, kvm_enter, 39 TP_PROTO(struct kvm_vcpu *vcpu), 40 TP_ARGS(vcpu)); 41 42 DEFINE_EVENT(kvm_transition, kvm_reenter, 43 TP_PROTO(struct kvm_vcpu *vcpu), 44 TP_ARGS(vcpu)); 45 46 DEFINE_EVENT(kvm_transition, kvm_out, 47 TP_PROTO(struct kvm_vcpu *vcpu), 48 TP_ARGS(vcpu)); 49 50 /* The first 32 exit reasons correspond to Cause.ExcCode */ 51 #define KVM_TRACE_EXIT_INT 0 52 #define KVM_TRACE_EXIT_TLBMOD 1 53 #define KVM_TRACE_EXIT_TLBMISS_LD 2 54 #define KVM_TRACE_EXIT_TLBMISS_ST 3 55 #define KVM_TRACE_EXIT_ADDRERR_LD 4 56 #define KVM_TRACE_EXIT_ADDRERR_ST 5 57 #define KVM_TRACE_EXIT_SYSCALL 8 58 #define KVM_TRACE_EXIT_BREAK_INST 9 59 #define KVM_TRACE_EXIT_RESVD_INST 10 60 #define KVM_TRACE_EXIT_COP_UNUSABLE 11 61 #define KVM_TRACE_EXIT_TRAP_INST 13 62 #define KVM_TRACE_EXIT_MSA_FPE 14 63 #define KVM_TRACE_EXIT_FPE 15 64 #define KVM_TRACE_EXIT_MSA_DISABLED 21 65 /* Further exit reasons */ 66 #define KVM_TRACE_EXIT_WAIT 32 67 #define KVM_TRACE_EXIT_CACHE 33 68 #define KVM_TRACE_EXIT_SIGNAL 34 69 70 /* Tracepoints for VM exits */ 71 #define kvm_trace_symbol_exit_types \ 72 { KVM_TRACE_EXIT_INT, "Interrupt" }, \ 73 { KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \ 74 { KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \ 75 { KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \ 76 { KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \ 77 { KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \ 78 { KVM_TRACE_EXIT_SYSCALL, "System Call" }, \ 79 { KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \ 80 { KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \ 81 { KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \ 82 { KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \ 83 { KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \ 84 { KVM_TRACE_EXIT_FPE, "FPE" }, \ 85 { KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \ 86 { KVM_TRACE_EXIT_WAIT, "WAIT" }, \ 87 { KVM_TRACE_EXIT_CACHE, "CACHE" }, \ 88 { KVM_TRACE_EXIT_SIGNAL, "Signal" } 89 90 TRACE_EVENT(kvm_exit, 91 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason), 92 TP_ARGS(vcpu, reason), 93 TP_STRUCT__entry( 94 __field(unsigned long, pc) 95 __field(unsigned int, reason) 96 ), 97 98 TP_fast_assign( 99 __entry->pc = vcpu->arch.pc; 100 __entry->reason = reason; 101 ), 102 103 TP_printk("[%s]PC: 0x%08lx", 104 __print_symbolic(__entry->reason, 105 kvm_trace_symbol_exit_types), 106 __entry->pc) 107 ); 108 109 #define KVM_TRACE_MFC0 0 110 #define KVM_TRACE_MTC0 1 111 #define KVM_TRACE_DMFC0 2 112 #define KVM_TRACE_DMTC0 3 113 #define KVM_TRACE_RDHWR 4 114 115 #define KVM_TRACE_HWR_COP0 0 116 #define KVM_TRACE_HWR_HWR 1 117 118 #define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \ 119 ((REG) << 3) | (SEL)) 120 #define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \ 121 ((REG) << 3) | (SEL)) 122 123 #define kvm_trace_symbol_hwr_ops \ 124 { KVM_TRACE_MFC0, "MFC0" }, \ 125 { KVM_TRACE_MTC0, "MTC0" }, \ 126 { KVM_TRACE_DMFC0, "DMFC0" }, \ 127 { KVM_TRACE_DMTC0, "DMTC0" }, \ 128 { KVM_TRACE_RDHWR, "RDHWR" } 129 130 #define kvm_trace_symbol_hwr_cop \ 131 { KVM_TRACE_HWR_COP0, "COP0" }, \ 132 { KVM_TRACE_HWR_HWR, "HWR" } 133 134 #define kvm_trace_symbol_hwr_regs \ 135 { KVM_TRACE_COP0( 0, 0), "Index" }, \ 136 { KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \ 137 { KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \ 138 { KVM_TRACE_COP0( 4, 0), "Context" }, \ 139 { KVM_TRACE_COP0( 4, 2), "UserLocal" }, \ 140 { KVM_TRACE_COP0( 5, 0), "PageMask" }, \ 141 { KVM_TRACE_COP0( 6, 0), "Wired" }, \ 142 { KVM_TRACE_COP0( 7, 0), "HWREna" }, \ 143 { KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \ 144 { KVM_TRACE_COP0( 9, 0), "Count" }, \ 145 { KVM_TRACE_COP0(10, 0), "EntryHi" }, \ 146 { KVM_TRACE_COP0(11, 0), "Compare" }, \ 147 { KVM_TRACE_COP0(12, 0), "Status" }, \ 148 { KVM_TRACE_COP0(12, 1), "IntCtl" }, \ 149 { KVM_TRACE_COP0(12, 2), "SRSCtl" }, \ 150 { KVM_TRACE_COP0(13, 0), "Cause" }, \ 151 { KVM_TRACE_COP0(14, 0), "EPC" }, \ 152 { KVM_TRACE_COP0(15, 0), "PRId" }, \ 153 { KVM_TRACE_COP0(15, 1), "EBase" }, \ 154 { KVM_TRACE_COP0(16, 0), "Config" }, \ 155 { KVM_TRACE_COP0(16, 1), "Config1" }, \ 156 { KVM_TRACE_COP0(16, 2), "Config2" }, \ 157 { KVM_TRACE_COP0(16, 3), "Config3" }, \ 158 { KVM_TRACE_COP0(16, 4), "Config4" }, \ 159 { KVM_TRACE_COP0(16, 5), "Config5" }, \ 160 { KVM_TRACE_COP0(16, 7), "Config7" }, \ 161 { KVM_TRACE_COP0(26, 0), "ECC" }, \ 162 { KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \ 163 { KVM_TRACE_COP0(31, 2), "KScratch1" }, \ 164 { KVM_TRACE_COP0(31, 3), "KScratch2" }, \ 165 { KVM_TRACE_COP0(31, 4), "KScratch3" }, \ 166 { KVM_TRACE_COP0(31, 5), "KScratch4" }, \ 167 { KVM_TRACE_COP0(31, 6), "KScratch5" }, \ 168 { KVM_TRACE_COP0(31, 7), "KScratch6" }, \ 169 { KVM_TRACE_HWR( 0, 0), "CPUNum" }, \ 170 { KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \ 171 { KVM_TRACE_HWR( 2, 0), "CC" }, \ 172 { KVM_TRACE_HWR( 3, 0), "CCRes" }, \ 173 { KVM_TRACE_HWR(29, 0), "ULR" } 174 175 TRACE_EVENT(kvm_hwr, 176 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg, 177 unsigned long val), 178 TP_ARGS(vcpu, op, reg, val), 179 TP_STRUCT__entry( 180 __field(unsigned long, val) 181 __field(u16, reg) 182 __field(u8, op) 183 ), 184 185 TP_fast_assign( 186 __entry->val = val; 187 __entry->reg = reg; 188 __entry->op = op; 189 ), 190 191 TP_printk("%s %s (%s:%u:%u) 0x%08lx", 192 __print_symbolic(__entry->op, 193 kvm_trace_symbol_hwr_ops), 194 __print_symbolic(__entry->reg, 195 kvm_trace_symbol_hwr_regs), 196 __print_symbolic(__entry->reg >> 8, 197 kvm_trace_symbol_hwr_cop), 198 (__entry->reg >> 3) & 0x1f, 199 __entry->reg & 0x7, 200 __entry->val) 201 ); 202 203 #define KVM_TRACE_AUX_RESTORE 0 204 #define KVM_TRACE_AUX_SAVE 1 205 #define KVM_TRACE_AUX_ENABLE 2 206 #define KVM_TRACE_AUX_DISABLE 3 207 #define KVM_TRACE_AUX_DISCARD 4 208 209 #define KVM_TRACE_AUX_FPU 1 210 #define KVM_TRACE_AUX_MSA 2 211 #define KVM_TRACE_AUX_FPU_MSA 3 212 213 #define kvm_trace_symbol_aux_op \ 214 { KVM_TRACE_AUX_RESTORE, "restore" }, \ 215 { KVM_TRACE_AUX_SAVE, "save" }, \ 216 { KVM_TRACE_AUX_ENABLE, "enable" }, \ 217 { KVM_TRACE_AUX_DISABLE, "disable" }, \ 218 { KVM_TRACE_AUX_DISCARD, "discard" } 219 220 #define kvm_trace_symbol_aux_state \ 221 { KVM_TRACE_AUX_FPU, "FPU" }, \ 222 { KVM_TRACE_AUX_MSA, "MSA" }, \ 223 { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" } 224 225 TRACE_EVENT(kvm_aux, 226 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, 227 unsigned int state), 228 TP_ARGS(vcpu, op, state), 229 TP_STRUCT__entry( 230 __field(unsigned long, pc) 231 __field(u8, op) 232 __field(u8, state) 233 ), 234 235 TP_fast_assign( 236 __entry->pc = vcpu->arch.pc; 237 __entry->op = op; 238 __entry->state = state; 239 ), 240 241 TP_printk("%s %s PC: 0x%08lx", 242 __print_symbolic(__entry->op, 243 kvm_trace_symbol_aux_op), 244 __print_symbolic(__entry->state, 245 kvm_trace_symbol_aux_state), 246 __entry->pc) 247 ); 248 249 TRACE_EVENT(kvm_asid_change, 250 TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid, 251 unsigned int new_asid), 252 TP_ARGS(vcpu, old_asid, new_asid), 253 TP_STRUCT__entry( 254 __field(unsigned long, pc) 255 __field(u8, old_asid) 256 __field(u8, new_asid) 257 ), 258 259 TP_fast_assign( 260 __entry->pc = vcpu->arch.pc; 261 __entry->old_asid = old_asid; 262 __entry->new_asid = new_asid; 263 ), 264 265 TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x", 266 __entry->pc, 267 __entry->old_asid, 268 __entry->new_asid) 269 ); 270 271 #endif /* _TRACE_KVM_H */ 272 273 /* This part must be outside protection */ 274 #include <trace/define_trace.h> 275