arch/arm/kvm/trace.h

   1 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define _TRACE_KVM_H
   3
   4 #include <linux/tracepoint.h>
   5
   6 #undef TRACE_SYSTEM
   7 #define TRACE_SYSTEM kvm
   8
   9 /*
  10  * Tracepoints for entry/exit to guest
  11  */
  12 TRACE_EVENT(kvm_entry,
  13         TP_PROTO(unsigned long vcpu_pc),
  14         TP_ARGS(vcpu_pc),
  15
  16         TP_STRUCT__entry(
  17                 __field(        unsigned long,  vcpu_pc         )
  18         ),
  19
  20         TP_fast_assign(
  21                 __entry->vcpu_pc                = vcpu_pc;
  22         ),
  23
  24         TP_printk("PC: 0x%08lx", __entry->vcpu_pc)
  25 );
  26
  27 TRACE_EVENT(kvm_exit,
  28         TP_PROTO(int idx, unsigned int exit_reason, unsigned long vcpu_pc),
  29         TP_ARGS(idx, exit_reason, vcpu_pc),
  30
  31         TP_STRUCT__entry(
  32                 __field(        int,            idx             )
  33                 __field(        unsigned int,   exit_reason     )
  34                 __field(        unsigned long,  vcpu_pc         )
  35         ),
  36
  37         TP_fast_assign(
  38                 __entry->idx                    = idx;
  39                 __entry->exit_reason            = exit_reason;
  40                 __entry->vcpu_pc                = vcpu_pc;
  41         ),
  42
  43         TP_printk("%s: HSR_EC: 0x%04x (%s), PC: 0x%08lx",
  44                   __print_symbolic(__entry->idx, kvm_arm_exception_type),
  45                   __entry->exit_reason,
  46                   __print_symbolic(__entry->exit_reason, kvm_arm_exception_class),
  47                   __entry->vcpu_pc)
  48 );
  49
  50 TRACE_EVENT(kvm_guest_fault,
  51         TP_PROTO(unsigned long vcpu_pc, unsigned long hsr,
  52                  unsigned long hxfar,
  53                  unsigned long long ipa),
  54         TP_ARGS(vcpu_pc, hsr, hxfar, ipa),
  55
  56         TP_STRUCT__entry(
  57                 __field(        unsigned long,  vcpu_pc         )
  58                 __field(        unsigned long,  hsr             )
  59                 __field(        unsigned long,  hxfar           )
  60                 __field(   unsigned long long,  ipa             )
  61         ),
  62
  63         TP_fast_assign(
  64                 __entry->vcpu_pc                = vcpu_pc;
  65                 __entry->hsr                    = hsr;
  66                 __entry->hxfar                  = hxfar;
  67                 __entry->ipa                    = ipa;
  68         ),
  69
  70         TP_printk("ipa %#llx, hsr %#08lx, hxfar %#08lx, pc %#08lx",
  71                   __entry->ipa, __entry->hsr,
  72                   __entry->hxfar, __entry->vcpu_pc)
  73 );
  74
  75 TRACE_EVENT(kvm_access_fault,
  76         TP_PROTO(unsigned long ipa),
  77         TP_ARGS(ipa),
  78
  79         TP_STRUCT__entry(
  80                 __field(        unsigned long,  ipa             )
  81         ),
  82
  83         TP_fast_assign(
  84                 __entry->ipa            = ipa;
  85         ),
  86
  87         TP_printk("IPA: %lx", __entry->ipa)
  88 );
  89
  90 TRACE_EVENT(kvm_irq_line,
  91         TP_PROTO(unsigned int type, int vcpu_idx, int irq_num, int level),
  92         TP_ARGS(type, vcpu_idx, irq_num, level),
  93
  94         TP_STRUCT__entry(
  95                 __field(        unsigned int,   type            )
  96                 __field(        int,            vcpu_idx        )
  97                 __field(        int,            irq_num         )
  98                 __field(        int,            level           )
  99         ),
 100
 101         TP_fast_assign(
 102                 __entry->type           = type;
 103                 __entry->vcpu_idx       = vcpu_idx;
 104                 __entry->irq_num        = irq_num;
 105                 __entry->level          = level;
 106         ),
 107
 108         TP_printk("Inject %s interrupt (%d), vcpu->idx: %d, num: %d, level: %d",
 109                   (__entry->type == KVM_ARM_IRQ_TYPE_CPU) ? "CPU" :
 110                   (__entry->type == KVM_ARM_IRQ_TYPE_PPI) ? "VGIC PPI" :
 111                   (__entry->type == KVM_ARM_IRQ_TYPE_SPI) ? "VGIC SPI" : "UNKNOWN",
 112                   __entry->type, __entry->vcpu_idx, __entry->irq_num, __entry->level)
 113 );
 114
 115 TRACE_EVENT(kvm_mmio_emulate,
 116         TP_PROTO(unsigned long vcpu_pc, unsigned long instr,
 117                  unsigned long cpsr),
 118         TP_ARGS(vcpu_pc, instr, cpsr),
 119
 120         TP_STRUCT__entry(
 121                 __field(        unsigned long,  vcpu_pc         )
 122                 __field(        unsigned long,  instr           )
 123                 __field(        unsigned long,  cpsr            )
 124         ),
 125
 126         TP_fast_assign(
 127                 __entry->vcpu_pc                = vcpu_pc;
 128                 __entry->instr                  = instr;
 129                 __entry->cpsr                   = cpsr;
 130         ),
 131
 132         TP_printk("Emulate MMIO at: 0x%08lx (instr: %08lx, cpsr: %08lx)",
 133                   __entry->vcpu_pc, __entry->instr, __entry->cpsr)
 134 );
 135
 136 /* Architecturally implementation defined CP15 register access */
 137 TRACE_EVENT(kvm_emulate_cp15_imp,
 138         TP_PROTO(unsigned long Op1, unsigned long Rt1, unsigned long CRn,
 139                  unsigned long CRm, unsigned long Op2, bool is_write),
 140         TP_ARGS(Op1, Rt1, CRn, CRm, Op2, is_write),
 141
 142         TP_STRUCT__entry(
 143                 __field(        unsigned int,   Op1             )
 144                 __field(        unsigned int,   Rt1             )
 145                 __field(        unsigned int,   CRn             )
 146                 __field(        unsigned int,   CRm             )
 147                 __field(        unsigned int,   Op2             )
 148                 __field(        bool,           is_write        )
 149         ),
 150
 151         TP_fast_assign(
 152                 __entry->is_write               = is_write;
 153                 __entry->Op1                    = Op1;
 154                 __entry->Rt1                    = Rt1;
 155                 __entry->CRn                    = CRn;
 156                 __entry->CRm                    = CRm;
 157                 __entry->Op2                    = Op2;
 158         ),
 159
 160         TP_printk("Implementation defined CP15: %s\tp15, %u, r%u, c%u, c%u, %u",
 161                         (__entry->is_write) ? "mcr" : "mrc",
 162                         __entry->Op1, __entry->Rt1, __entry->CRn,
 163                         __entry->CRm, __entry->Op2)
 164 );
 165
 166 TRACE_EVENT(kvm_wfx,
 167         TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
 168         TP_ARGS(vcpu_pc, is_wfe),
 169
 170         TP_STRUCT__entry(
 171                 __field(        unsigned long,  vcpu_pc         )
 172                 __field(                 bool,  is_wfe          )
 173         ),
 174
 175         TP_fast_assign(
 176                 __entry->vcpu_pc                = vcpu_pc;
 177                 __entry->is_wfe                 = is_wfe;
 178         ),
 179
 180         TP_printk("guest executed wf%c at: 0x%08lx",
 181                 __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
 182 );
 183
 184 TRACE_EVENT(kvm_unmap_hva,
 185         TP_PROTO(unsigned long hva),
 186         TP_ARGS(hva),
 187
 188         TP_STRUCT__entry(
 189                 __field(        unsigned long,  hva             )
 190         ),
 191
 192         TP_fast_assign(
 193                 __entry->hva            = hva;
 194         ),
 195
 196         TP_printk("mmu notifier unmap hva: %#08lx", __entry->hva)
 197 );
 198
 199 TRACE_EVENT(kvm_unmap_hva_range,
 200         TP_PROTO(unsigned long start, unsigned long end),
 201         TP_ARGS(start, end),
 202
 203         TP_STRUCT__entry(
 204                 __field(        unsigned long,  start           )
 205                 __field(        unsigned long,  end             )
 206         ),
 207
 208         TP_fast_assign(
 209                 __entry->start          = start;
 210                 __entry->end            = end;
 211         ),
 212
 213         TP_printk("mmu notifier unmap range: %#08lx -- %#08lx",
 214                   __entry->start, __entry->end)
 215 );
 216
 217 TRACE_EVENT(kvm_set_spte_hva,
 218         TP_PROTO(unsigned long hva),
 219         TP_ARGS(hva),
 220
 221         TP_STRUCT__entry(
 222                 __field(        unsigned long,  hva             )
 223         ),
 224
 225         TP_fast_assign(
 226                 __entry->hva            = hva;
 227         ),
 228
 229         TP_printk("mmu notifier set pte hva: %#08lx", __entry->hva)
 230 );
 231
 232 TRACE_EVENT(kvm_age_hva,
 233         TP_PROTO(unsigned long start, unsigned long end),
 234         TP_ARGS(start, end),
 235
 236         TP_STRUCT__entry(
 237                 __field(        unsigned long,  start           )
 238                 __field(        unsigned long,  end             )
 239         ),
 240
 241         TP_fast_assign(
 242                 __entry->start          = start;
 243                 __entry->end            = end;
 244         ),
 245
 246         TP_printk("mmu notifier age hva: %#08lx -- %#08lx",
 247                   __entry->start, __entry->end)
 248 );
 249
 250 TRACE_EVENT(kvm_test_age_hva,
 251         TP_PROTO(unsigned long hva),
 252         TP_ARGS(hva),
 253
 254         TP_STRUCT__entry(
 255                 __field(        unsigned long,  hva             )
 256         ),
 257
 258         TP_fast_assign(
 259                 __entry->hva            = hva;
 260         ),
 261
 262         TP_printk("mmu notifier test age hva: %#08lx", __entry->hva)
 263 );
 264
 265 TRACE_EVENT(kvm_hvc,
 266         TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
 267         TP_ARGS(vcpu_pc, r0, imm),
 268
 269         TP_STRUCT__entry(
 270                 __field(        unsigned long,  vcpu_pc         )
 271                 __field(        unsigned long,  r0              )
 272                 __field(        unsigned long,  imm             )
 273         ),
 274
 275         TP_fast_assign(
 276                 __entry->vcpu_pc                = vcpu_pc;
 277                 __entry->r0             = r0;
 278                 __entry->imm            = imm;
 279         ),
 280
 281         TP_printk("HVC at 0x%08lx (r0: 0x%08lx, imm: 0x%lx",
 282                   __entry->vcpu_pc, __entry->r0, __entry->imm)
 283 );
 284
 285 TRACE_EVENT(kvm_set_way_flush,
 286             TP_PROTO(unsigned long vcpu_pc, bool cache),
 287             TP_ARGS(vcpu_pc, cache),
 288
 289             TP_STRUCT__entry(
 290                     __field(    unsigned long,  vcpu_pc         )
 291                     __field(    bool,           cache           )
 292             ),
 293
 294             TP_fast_assign(
 295                     __entry->vcpu_pc            = vcpu_pc;
 296                     __entry->cache              = cache;
 297             ),
 298
 299             TP_printk("S/W flush at 0x%016lx (cache %s)",
 300                       __entry->vcpu_pc, __entry->cache ? "on" : "off")
 301 );
 302
 303 TRACE_EVENT(kvm_toggle_cache,
 304             TP_PROTO(unsigned long vcpu_pc, bool was, bool now),
 305             TP_ARGS(vcpu_pc, was, now),
 306
 307             TP_STRUCT__entry(
 308                     __field(    unsigned long,  vcpu_pc         )
 309                     __field(    bool,           was             )
 310                     __field(    bool,           now             )
 311             ),
 312
 313             TP_fast_assign(
 314                     __entry->vcpu_pc            = vcpu_pc;
 315                     __entry->was                = was;
 316                     __entry->now                = now;
 317             ),
 318
 319             TP_printk("VM op at 0x%016lx (cache was %s, now %s)",
 320                       __entry->vcpu_pc, __entry->was ? "on" : "off",
 321                       __entry->now ? "on" : "off")
 322 );
 323
 324 #endif /* _TRACE_KVM_H */
 325
 326 #undef TRACE_INCLUDE_PATH
 327 #define TRACE_INCLUDE_PATH arch/arm/kvm
 328 #undef TRACE_INCLUDE_FILE
 329 #define TRACE_INCLUDE_FILE trace
 330
 331 /* This part must be outside protection */
 332 #include <trace/define_trace.h>