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_irq_line,
  72         TP_PROTO(unsigned int type, int vcpu_idx, int irq_num, int level),
  73         TP_ARGS(type, vcpu_idx, irq_num, level),
  74
  75         TP_STRUCT__entry(
  76                 __field(        unsigned int,   type            )
  77                 __field(        int,            vcpu_idx        )
  78                 __field(        int,            irq_num         )
  79                 __field(        int,            level           )
  80         ),
  81
  82         TP_fast_assign(
  83                 __entry->type           = type;
  84                 __entry->vcpu_idx       = vcpu_idx;
  85                 __entry->irq_num        = irq_num;
  86                 __entry->level          = level;
  87         ),
  88
  89         TP_printk("Inject %s interrupt (%d), vcpu->idx: %d, num: %d, level: %d",
  90                   (__entry->type == KVM_ARM_IRQ_TYPE_CPU) ? "CPU" :
  91                   (__entry->type == KVM_ARM_IRQ_TYPE_PPI) ? "VGIC PPI" :
  92                   (__entry->type == KVM_ARM_IRQ_TYPE_SPI) ? "VGIC SPI" : "UNKNOWN",
  93                   __entry->type, __entry->vcpu_idx, __entry->irq_num, __entry->level)
  94 );
  95
  96 TRACE_EVENT(kvm_mmio_emulate,
  97         TP_PROTO(unsigned long vcpu_pc, unsigned long instr,
  98                  unsigned long cpsr),
  99         TP_ARGS(vcpu_pc, instr, cpsr),
 100
 101         TP_STRUCT__entry(
 102                 __field(        unsigned long,  vcpu_pc         )
 103                 __field(        unsigned long,  instr           )
 104                 __field(        unsigned long,  cpsr            )
 105         ),
 106
 107         TP_fast_assign(
 108                 __entry->vcpu_pc                = vcpu_pc;
 109                 __entry->instr                  = instr;
 110                 __entry->cpsr                   = cpsr;
 111         ),
 112
 113         TP_printk("Emulate MMIO at: 0x%08lx (instr: %08lx, cpsr: %08lx)",
 114                   __entry->vcpu_pc, __entry->instr, __entry->cpsr)
 115 );
 116
 117 /* Architecturally implementation defined CP15 register access */
 118 TRACE_EVENT(kvm_emulate_cp15_imp,
 119         TP_PROTO(unsigned long Op1, unsigned long Rt1, unsigned long CRn,
 120                  unsigned long CRm, unsigned long Op2, bool is_write),
 121         TP_ARGS(Op1, Rt1, CRn, CRm, Op2, is_write),
 122
 123         TP_STRUCT__entry(
 124                 __field(        unsigned int,   Op1             )
 125                 __field(        unsigned int,   Rt1             )
 126                 __field(        unsigned int,   CRn             )
 127                 __field(        unsigned int,   CRm             )
 128                 __field(        unsigned int,   Op2             )
 129                 __field(        bool,           is_write        )
 130         ),
 131
 132         TP_fast_assign(
 133                 __entry->is_write               = is_write;
 134                 __entry->Op1                    = Op1;
 135                 __entry->Rt1                    = Rt1;
 136                 __entry->CRn                    = CRn;
 137                 __entry->CRm                    = CRm;
 138                 __entry->Op2                    = Op2;
 139         ),
 140
 141         TP_printk("Implementation defined CP15: %s\tp15, %u, r%u, c%u, c%u, %u",
 142                         (__entry->is_write) ? "mcr" : "mrc",
 143                         __entry->Op1, __entry->Rt1, __entry->CRn,
 144                         __entry->CRm, __entry->Op2)
 145 );
 146
 147 TRACE_EVENT(kvm_wfx,
 148         TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
 149         TP_ARGS(vcpu_pc, is_wfe),
 150
 151         TP_STRUCT__entry(
 152                 __field(        unsigned long,  vcpu_pc         )
 153                 __field(                 bool,  is_wfe          )
 154         ),
 155
 156         TP_fast_assign(
 157                 __entry->vcpu_pc                = vcpu_pc;
 158                 __entry->is_wfe                 = is_wfe;
 159         ),
 160
 161         TP_printk("guest executed wf%c at: 0x%08lx",
 162                 __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
 163 );
 164
 165 TRACE_EVENT(kvm_unmap_hva,
 166         TP_PROTO(unsigned long hva),
 167         TP_ARGS(hva),
 168
 169         TP_STRUCT__entry(
 170                 __field(        unsigned long,  hva             )
 171         ),
 172
 173         TP_fast_assign(
 174                 __entry->hva            = hva;
 175         ),
 176
 177         TP_printk("mmu notifier unmap hva: %#08lx", __entry->hva)
 178 );
 179
 180 TRACE_EVENT(kvm_unmap_hva_range,
 181         TP_PROTO(unsigned long start, unsigned long end),
 182         TP_ARGS(start, end),
 183
 184         TP_STRUCT__entry(
 185                 __field(        unsigned long,  start           )
 186                 __field(        unsigned long,  end             )
 187         ),
 188
 189         TP_fast_assign(
 190                 __entry->start          = start;
 191                 __entry->end            = end;
 192         ),
 193
 194         TP_printk("mmu notifier unmap range: %#08lx -- %#08lx",
 195                   __entry->start, __entry->end)
 196 );
 197
 198 TRACE_EVENT(kvm_set_spte_hva,
 199         TP_PROTO(unsigned long hva),
 200         TP_ARGS(hva),
 201
 202         TP_STRUCT__entry(
 203                 __field(        unsigned long,  hva             )
 204         ),
 205
 206         TP_fast_assign(
 207                 __entry->hva            = hva;
 208         ),
 209
 210         TP_printk("mmu notifier set pte hva: %#08lx", __entry->hva)
 211 );
 212
 213 TRACE_EVENT(kvm_hvc,
 214         TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
 215         TP_ARGS(vcpu_pc, r0, imm),
 216
 217         TP_STRUCT__entry(
 218                 __field(        unsigned long,  vcpu_pc         )
 219                 __field(        unsigned long,  r0              )
 220                 __field(        unsigned long,  imm             )
 221         ),
 222
 223         TP_fast_assign(
 224                 __entry->vcpu_pc                = vcpu_pc;
 225                 __entry->r0             = r0;
 226                 __entry->imm            = imm;
 227         ),
 228
 229         TP_printk("HVC at 0x%08lx (r0: 0x%08lx, imm: 0x%lx",
 230                   __entry->vcpu_pc, __entry->r0, __entry->imm)
 231 );
 232
 233 TRACE_EVENT(kvm_set_way_flush,
 234             TP_PROTO(unsigned long vcpu_pc, bool cache),
 235             TP_ARGS(vcpu_pc, cache),
 236
 237             TP_STRUCT__entry(
 238                     __field(    unsigned long,  vcpu_pc         )
 239                     __field(    bool,           cache           )
 240             ),
 241
 242             TP_fast_assign(
 243                     __entry->vcpu_pc            = vcpu_pc;
 244                     __entry->cache              = cache;
 245             ),
 246
 247             TP_printk("S/W flush at 0x%016lx (cache %s)",
 248                       __entry->vcpu_pc, __entry->cache ? "on" : "off")
 249 );
 250
 251 TRACE_EVENT(kvm_toggle_cache,
 252             TP_PROTO(unsigned long vcpu_pc, bool was, bool now),
 253             TP_ARGS(vcpu_pc, was, now),
 254
 255             TP_STRUCT__entry(
 256                     __field(    unsigned long,  vcpu_pc         )
 257                     __field(    bool,           was             )
 258                     __field(    bool,           now             )
 259             ),
 260
 261             TP_fast_assign(
 262                     __entry->vcpu_pc            = vcpu_pc;
 263                     __entry->was                = was;
 264                     __entry->now                = now;
 265             ),
 266
 267             TP_printk("VM op at 0x%016lx (cache was %s, now %s)",
 268                       __entry->vcpu_pc, __entry->was ? "on" : "off",
 269                       __entry->now ? "on" : "off")
 270 );
 271
 272 #endif /* _TRACE_KVM_H */
 273
 274 #undef TRACE_INCLUDE_PATH
 275 #define TRACE_INCLUDE_PATH arch/arm/kvm
 276 #undef TRACE_INCLUDE_FILE
 277 #define TRACE_INCLUDE_FILE trace
 278
 279 /* This part must be outside protection */
 280 #include <trace/define_trace.h>