kernel/arch/s390/kvm/trace-s390.h

   1 #if !defined(_TRACE_KVMS390_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define _TRACE_KVMS390_H
   3
   4 #include <linux/tracepoint.h>
   5
   6 #undef TRACE_SYSTEM
   7 #define TRACE_SYSTEM kvm-s390
   8 #define TRACE_INCLUDE_PATH .
   9 #undef TRACE_INCLUDE_FILE
  10 #define TRACE_INCLUDE_FILE trace-s390
  11
  12 /*
  13  * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
  14  * legitimate C variable. It is not exported to user space.
  15  */
  16 #undef TRACE_SYSTEM_VAR
  17 #define TRACE_SYSTEM_VAR kvm_s390
  18
  19 /*
  20  * Trace point for the creation of the kvm instance.
  21  */
  22 TRACE_EVENT(kvm_s390_create_vm,
  23             TP_PROTO(unsigned long type),
  24             TP_ARGS(type),
  25
  26             TP_STRUCT__entry(
  27                     __field(unsigned long, type)
  28                     ),
  29
  30             TP_fast_assign(
  31                     __entry->type = type;
  32                     ),
  33
  34             TP_printk("create vm%s",
  35                       __entry->type & KVM_VM_S390_UCONTROL ? " (UCONTROL)" : "")
  36         );
  37
  38 /*
  39  * Trace points for creation and destruction of vpcus.
  40  */
  41 TRACE_EVENT(kvm_s390_create_vcpu,
  42             TP_PROTO(unsigned int id, struct kvm_vcpu *vcpu,
  43                      struct kvm_s390_sie_block *sie_block),
  44             TP_ARGS(id, vcpu, sie_block),
  45
  46             TP_STRUCT__entry(
  47                     __field(unsigned int, id)
  48                     __field(struct kvm_vcpu *, vcpu)
  49                     __field(struct kvm_s390_sie_block *, sie_block)
  50                     ),
  51
  52             TP_fast_assign(
  53                     __entry->id = id;
  54                     __entry->vcpu = vcpu;
  55                     __entry->sie_block = sie_block;
  56                     ),
  57
  58             TP_printk("create cpu %d at %p, sie block at %p", __entry->id,
  59                       __entry->vcpu, __entry->sie_block)
  60         );
  61
  62 TRACE_EVENT(kvm_s390_destroy_vcpu,
  63             TP_PROTO(unsigned int id),
  64             TP_ARGS(id),
  65
  66             TP_STRUCT__entry(
  67                     __field(unsigned int, id)
  68                     ),
  69
  70             TP_fast_assign(
  71                     __entry->id = id;
  72                     ),
  73
  74             TP_printk("destroy cpu %d", __entry->id)
  75         );
  76
  77 /*
  78  * Trace point for start and stop of vpcus.
  79  */
  80 TRACE_EVENT(kvm_s390_vcpu_start_stop,
  81             TP_PROTO(unsigned int id, int state),
  82             TP_ARGS(id, state),
  83
  84             TP_STRUCT__entry(
  85                     __field(unsigned int, id)
  86                     __field(int, state)
  87                     ),
  88
  89             TP_fast_assign(
  90                     __entry->id = id;
  91                     __entry->state = state;
  92                     ),
  93
  94             TP_printk("%s cpu %d", __entry->state ? "starting" : "stopping",
  95                       __entry->id)
  96         );
  97
  98 /*
  99  * Trace points for injection of interrupts, either per machine or
 100  * per vcpu.
 101  */
 102
 103 #define kvm_s390_int_type                                               \
 104         {KVM_S390_SIGP_STOP, "sigp stop"},                              \
 105         {KVM_S390_PROGRAM_INT, "program interrupt"},                    \
 106         {KVM_S390_SIGP_SET_PREFIX, "sigp set prefix"},                  \
 107         {KVM_S390_RESTART, "sigp restart"},                             \
 108         {KVM_S390_INT_PFAULT_INIT, "pfault init"},                      \
 109         {KVM_S390_INT_PFAULT_DONE, "pfault done"},                      \
 110         {KVM_S390_MCHK, "machine check"},                               \
 111         {KVM_S390_INT_CLOCK_COMP, "clock comparator"},                  \
 112         {KVM_S390_INT_CPU_TIMER, "cpu timer"},                          \
 113         {KVM_S390_INT_VIRTIO, "virtio interrupt"},                      \
 114         {KVM_S390_INT_SERVICE, "sclp interrupt"},                       \
 115         {KVM_S390_INT_EMERGENCY, "sigp emergency"},                     \
 116         {KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}
 117
 118 #define get_irq_name(__type) \
 119         (__type > KVM_S390_INT_IO_MAX ? \
 120         __print_symbolic(__type, kvm_s390_int_type) : \
 121                 (__type & KVM_S390_INT_IO_AI_MASK ? \
 122                  "adapter I/O interrupt" : "subchannel I/O interrupt"))
 123
 124 TRACE_EVENT(kvm_s390_inject_vm,
 125             TP_PROTO(__u64 type, __u32 parm, __u64 parm64, int who),
 126             TP_ARGS(type, parm, parm64, who),
 127
 128             TP_STRUCT__entry(
 129                     __field(__u32, inttype)
 130                     __field(__u32, parm)
 131                     __field(__u64, parm64)
 132                     __field(int, who)
 133                     ),
 134
 135             TP_fast_assign(
 136                     __entry->inttype = type & 0x00000000ffffffff;
 137                     __entry->parm = parm;
 138                     __entry->parm64 = parm64;
 139                     __entry->who = who;
 140                     ),
 141
 142             TP_printk("inject%s: type:%x (%s) parm:%x parm64:%llx",
 143                       (__entry->who == 1) ? " (from kernel)" :
 144                       (__entry->who == 2) ? " (from user)" : "",
 145                       __entry->inttype, get_irq_name(__entry->inttype),
 146                       __entry->parm, __entry->parm64)
 147         );
 148
 149 TRACE_EVENT(kvm_s390_inject_vcpu,
 150             TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64),
 151             TP_ARGS(id, type, parm, parm64),
 152
 153             TP_STRUCT__entry(
 154                     __field(int, id)
 155                     __field(__u32, inttype)
 156                     __field(__u32, parm)
 157                     __field(__u64, parm64)
 158                     ),
 159
 160             TP_fast_assign(
 161                     __entry->id = id;
 162                     __entry->inttype = type & 0x00000000ffffffff;
 163                     __entry->parm = parm;
 164                     __entry->parm64 = parm64;
 165                     ),
 166
 167             TP_printk("inject (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
 168                       __entry->id, __entry->inttype,
 169                       get_irq_name(__entry->inttype), __entry->parm,
 170                       __entry->parm64)
 171         );
 172
 173 /*
 174  * Trace point for the actual delivery of interrupts.
 175  */
 176 TRACE_EVENT(kvm_s390_deliver_interrupt,
 177             TP_PROTO(unsigned int id, __u64 type, __u64 data0, __u64 data1),
 178             TP_ARGS(id, type, data0, data1),
 179
 180             TP_STRUCT__entry(
 181                     __field(int, id)
 182                     __field(__u32, inttype)
 183                     __field(__u64, data0)
 184                     __field(__u64, data1)
 185                     ),
 186
 187             TP_fast_assign(
 188                     __entry->id = id;
 189                     __entry->inttype = type & 0x00000000ffffffff;
 190                     __entry->data0 = data0;
 191                     __entry->data1 = data1;
 192                     ),
 193
 194             TP_printk("deliver interrupt (vcpu %d): type:%x (%s) "      \
 195                       "data:%08llx %016llx",
 196                       __entry->id, __entry->inttype,
 197                       get_irq_name(__entry->inttype), __entry->data0,
 198                       __entry->data1)
 199         );
 200
 201 /*
 202  * Trace point for resets that may be requested from userspace.
 203  */
 204 TRACE_EVENT(kvm_s390_request_resets,
 205             TP_PROTO(__u64 resets),
 206             TP_ARGS(resets),
 207
 208             TP_STRUCT__entry(
 209                     __field(__u64, resets)
 210                     ),
 211
 212             TP_fast_assign(
 213                     __entry->resets = resets;
 214                     ),
 215
 216             TP_printk("requesting userspace resets %llx",
 217                       __entry->resets)
 218         );
 219
 220 /*
 221  * Trace point for a vcpu's stop requests.
 222  */
 223 TRACE_EVENT(kvm_s390_stop_request,
 224             TP_PROTO(unsigned char stop_irq, unsigned char flags),
 225             TP_ARGS(stop_irq, flags),
 226
 227             TP_STRUCT__entry(
 228                     __field(unsigned char, stop_irq)
 229                     __field(unsigned char, flags)
 230                     ),
 231
 232             TP_fast_assign(
 233                     __entry->stop_irq = stop_irq;
 234                     __entry->flags = flags;
 235                     ),
 236
 237             TP_printk("stop request, stop irq = %u, flags = %08x",
 238                       __entry->stop_irq, __entry->flags)
 239         );
 240
 241
 242 /*
 243  * Trace point for enabling channel I/O instruction support.
 244  */
 245 TRACE_EVENT(kvm_s390_enable_css,
 246             TP_PROTO(void *kvm),
 247             TP_ARGS(kvm),
 248
 249             TP_STRUCT__entry(
 250                     __field(void *, kvm)
 251                     ),
 252
 253             TP_fast_assign(
 254                     __entry->kvm = kvm;
 255                     ),
 256
 257             TP_printk("enabling channel I/O support (kvm @ %p)\n",
 258                       __entry->kvm)
 259         );
 260
 261 /*
 262  * Trace point for enabling and disabling interlocking-and-broadcasting
 263  * suppression.
 264  */
 265 TRACE_EVENT(kvm_s390_enable_disable_ibs,
 266             TP_PROTO(unsigned int id, int state),
 267             TP_ARGS(id, state),
 268
 269             TP_STRUCT__entry(
 270                     __field(unsigned int, id)
 271                     __field(int, state)
 272                     ),
 273
 274             TP_fast_assign(
 275                     __entry->id = id;
 276                     __entry->state = state;
 277                     ),
 278
 279             TP_printk("%s ibs on cpu %d",
 280                       __entry->state ? "enabling" : "disabling", __entry->id)
 281         );
 282
 283
 284 #endif /* _TRACE_KVMS390_H */
 285
 286 /* This part must be outside protection */
 287 #include <trace/define_trace.h>