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