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  * Trace point for the creation of the kvm instance.
  14  */
  15 TRACE_EVENT(kvm_s390_create_vm,
  16             TP_PROTO(unsigned long type),
  17             TP_ARGS(type),
  18
  19             TP_STRUCT__entry(
  20                     __field(unsigned long, type)
  21                     ),
  22
  23             TP_fast_assign(
  24                     __entry->type = type;
  25                     ),
  26
  27             TP_printk("create vm%s",
  28                       __entry->type & KVM_VM_S390_UCONTROL ? " (UCONTROL)" : "")
  29         );
  30
  31 /*
  32  * Trace points for creation and destruction of vpcus.
  33  */
  34 TRACE_EVENT(kvm_s390_create_vcpu,
  35             TP_PROTO(unsigned int id, struct kvm_vcpu *vcpu,
  36                      struct kvm_s390_sie_block *sie_block),
  37             TP_ARGS(id, vcpu, sie_block),
  38
  39             TP_STRUCT__entry(
  40                     __field(unsigned int, id)
  41                     __field(struct kvm_vcpu *, vcpu)
  42                     __field(struct kvm_s390_sie_block *, sie_block)
  43                     ),
  44
  45             TP_fast_assign(
  46                     __entry->id = id;
  47                     __entry->vcpu = vcpu;
  48                     __entry->sie_block = sie_block;
  49                     ),
  50
  51             TP_printk("create cpu %d at %p, sie block at %p", __entry->id,
  52                       __entry->vcpu, __entry->sie_block)
  53         );
  54
  55 TRACE_EVENT(kvm_s390_destroy_vcpu,
  56             TP_PROTO(unsigned int id),
  57             TP_ARGS(id),
  58
  59             TP_STRUCT__entry(
  60                     __field(unsigned int, id)
  61                     ),
  62
  63             TP_fast_assign(
  64                     __entry->id = id;
  65                     ),
  66
  67             TP_printk("destroy cpu %d", __entry->id)
  68         );
  69
  70 /*
  71  * Trace point for start and stop of vpcus.
  72  */
  73 TRACE_EVENT(kvm_s390_vcpu_start_stop,
  74             TP_PROTO(unsigned int id, int state),
  75             TP_ARGS(id, state),
  76
  77             TP_STRUCT__entry(
  78                     __field(unsigned int, id)
  79                     __field(int, state)
  80                     ),
  81
  82             TP_fast_assign(
  83                     __entry->id = id;
  84                     __entry->state = state;
  85                     ),
  86
  87             TP_printk("%s cpu %d", __entry->state ? "starting" : "stopping",
  88                       __entry->id)
  89         );
  90
  91 /*
  92  * Trace points for injection of interrupts, either per machine or
  93  * per vcpu.
  94  */
  95
  96 #define kvm_s390_int_type                                               \
  97         {KVM_S390_SIGP_STOP, "sigp stop"},                              \
  98         {KVM_S390_PROGRAM_INT, "program interrupt"},                    \
  99         {KVM_S390_SIGP_SET_PREFIX, "sigp set prefix"},                  \
 100         {KVM_S390_RESTART, "sigp restart"},                             \
 101         {KVM_S390_INT_VIRTIO, "virtio interrupt"},                      \
 102         {KVM_S390_INT_SERVICE, "sclp interrupt"},                       \
 103         {KVM_S390_INT_EMERGENCY, "sigp emergency"},                     \
 104         {KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}
 105
 106 TRACE_EVENT(kvm_s390_inject_vm,
 107             TP_PROTO(__u64 type, __u32 parm, __u64 parm64, int who),
 108             TP_ARGS(type, parm, parm64, who),
 109
 110             TP_STRUCT__entry(
 111                     __field(__u32, inttype)
 112                     __field(__u32, parm)
 113                     __field(__u64, parm64)
 114                     __field(int, who)
 115                     ),
 116
 117             TP_fast_assign(
 118                     __entry->inttype = type & 0x00000000ffffffff;
 119                     __entry->parm = parm;
 120                     __entry->parm64 = parm64;
 121                     __entry->who = who;
 122                     ),
 123
 124             TP_printk("inject%s: type:%x (%s) parm:%x parm64:%llx",
 125                       (__entry->who == 1) ? " (from kernel)" :
 126                       (__entry->who == 2) ? " (from user)" : "",
 127                       __entry->inttype,
 128                       __print_symbolic(__entry->inttype, kvm_s390_int_type),
 129                       __entry->parm, __entry->parm64)
 130         );
 131
 132 TRACE_EVENT(kvm_s390_inject_vcpu,
 133             TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64, \
 134                      int who),
 135             TP_ARGS(id, type, parm, parm64, who),
 136
 137             TP_STRUCT__entry(
 138                     __field(int, id)
 139                     __field(__u32, inttype)
 140                     __field(__u32, parm)
 141                     __field(__u64, parm64)
 142                     __field(int, who)
 143                     ),
 144
 145             TP_fast_assign(
 146                     __entry->id = id;
 147                     __entry->inttype = type & 0x00000000ffffffff;
 148                     __entry->parm = parm;
 149                     __entry->parm64 = parm64;
 150                     __entry->who = who;
 151                     ),
 152
 153             TP_printk("inject%s (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
 154                       (__entry->who == 1) ? " (from kernel)" :
 155                       (__entry->who == 2) ? " (from user)" : "",
 156                       __entry->id, __entry->inttype,
 157                       __print_symbolic(__entry->inttype, kvm_s390_int_type),
 158                       __entry->parm, __entry->parm64)
 159         );
 160
 161 /*
 162  * Trace point for the actual delivery of interrupts.
 163  */
 164 TRACE_EVENT(kvm_s390_deliver_interrupt,
 165             TP_PROTO(unsigned int id, __u64 type, __u64 data0, __u64 data1),
 166             TP_ARGS(id, type, data0, data1),
 167
 168             TP_STRUCT__entry(
 169                     __field(int, id)
 170                     __field(__u32, inttype)
 171                     __field(__u64, data0)
 172                     __field(__u64, data1)
 173                     ),
 174
 175             TP_fast_assign(
 176                     __entry->id = id;
 177                     __entry->inttype = type & 0x00000000ffffffff;
 178                     __entry->data0 = data0;
 179                     __entry->data1 = data1;
 180                     ),
 181
 182             TP_printk("deliver interrupt (vcpu %d): type:%x (%s) "      \
 183                       "data:%08llx %016llx",
 184                       __entry->id, __entry->inttype,
 185                       __print_symbolic(__entry->inttype, kvm_s390_int_type),
 186                       __entry->data0, __entry->data1)
 187         );
 188
 189 /*
 190  * Trace point for resets that may be requested from userspace.
 191  */
 192 TRACE_EVENT(kvm_s390_request_resets,
 193             TP_PROTO(__u64 resets),
 194             TP_ARGS(resets),
 195
 196             TP_STRUCT__entry(
 197                     __field(__u64, resets)
 198                     ),
 199
 200             TP_fast_assign(
 201                     __entry->resets = resets;
 202                     ),
 203
 204             TP_printk("requesting userspace resets %llx",
 205                       __entry->resets)
 206         );
 207
 208 /*
 209  * Trace point for a vcpu's stop requests.
 210  */
 211 TRACE_EVENT(kvm_s390_stop_request,
 212             TP_PROTO(unsigned int action_bits),
 213             TP_ARGS(action_bits),
 214
 215             TP_STRUCT__entry(
 216                     __field(unsigned int, action_bits)
 217                     ),
 218
 219             TP_fast_assign(
 220                     __entry->action_bits = action_bits;
 221                     ),
 222
 223             TP_printk("stop request, action_bits = %08x",
 224                       __entry->action_bits)
 225         );
 226
 227
 228 /*
 229  * Trace point for enabling channel I/O instruction support.
 230  */
 231 TRACE_EVENT(kvm_s390_enable_css,
 232             TP_PROTO(void *kvm),
 233             TP_ARGS(kvm),
 234
 235             TP_STRUCT__entry(
 236                     __field(void *, kvm)
 237                     ),
 238
 239             TP_fast_assign(
 240                     __entry->kvm = kvm;
 241                     ),
 242
 243             TP_printk("enabling channel I/O support (kvm @ %p)\n",
 244                       __entry->kvm)
 245         );
 246
 247
 248 #endif /* _TRACE_KVMS390_H */
 249
 250 /* This part must be outside protection */
 251 #include <trace/define_trace.h>