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