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_VIRTIO, "virtio interrupt"},                      \
 109         {KVM_S390_INT_SERVICE, "sclp interrupt"},                       \
 110         {KVM_S390_INT_EMERGENCY, "sigp emergency"},                     \
 111         {KVM_S390_INT_EXTERNAL_CALL, "sigp ext call"}
 112
 113 TRACE_EVENT(kvm_s390_inject_vm,
 114             TP_PROTO(__u64 type, __u32 parm, __u64 parm64, int who),
 115             TP_ARGS(type, parm, parm64, who),
 116
 117             TP_STRUCT__entry(
 118                     __field(__u32, inttype)
 119                     __field(__u32, parm)
 120                     __field(__u64, parm64)
 121                     __field(int, who)
 122                     ),
 123
 124             TP_fast_assign(
 125                     __entry->inttype = type & 0x00000000ffffffff;
 126                     __entry->parm = parm;
 127                     __entry->parm64 = parm64;
 128                     __entry->who = who;
 129                     ),
 130
 131             TP_printk("inject%s: type:%x (%s) parm:%x parm64:%llx",
 132                       (__entry->who == 1) ? " (from kernel)" :
 133                       (__entry->who == 2) ? " (from user)" : "",
 134                       __entry->inttype,
 135                       __print_symbolic(__entry->inttype, kvm_s390_int_type),
 136                       __entry->parm, __entry->parm64)
 137         );
 138
 139 TRACE_EVENT(kvm_s390_inject_vcpu,
 140             TP_PROTO(unsigned int id, __u64 type, __u32 parm, __u64 parm64, \
 141                      int who),
 142             TP_ARGS(id, type, parm, parm64, who),
 143
 144             TP_STRUCT__entry(
 145                     __field(int, id)
 146                     __field(__u32, inttype)
 147                     __field(__u32, parm)
 148                     __field(__u64, parm64)
 149                     __field(int, who)
 150                     ),
 151
 152             TP_fast_assign(
 153                     __entry->id = id;
 154                     __entry->inttype = type & 0x00000000ffffffff;
 155                     __entry->parm = parm;
 156                     __entry->parm64 = parm64;
 157                     __entry->who = who;
 158                     ),
 159
 160             TP_printk("inject%s (vcpu %d): type:%x (%s) parm:%x parm64:%llx",
 161                       (__entry->who == 1) ? " (from kernel)" :
 162                       (__entry->who == 2) ? " (from user)" : "",
 163                       __entry->id, __entry->inttype,
 164                       __print_symbolic(__entry->inttype, kvm_s390_int_type),
 165                       __entry->parm, __entry->parm64)
 166         );
 167
 168 /*
 169  * Trace point for the actual delivery of interrupts.
 170  */
 171 TRACE_EVENT(kvm_s390_deliver_interrupt,
 172             TP_PROTO(unsigned int id, __u64 type, __u64 data0, __u64 data1),
 173             TP_ARGS(id, type, data0, data1),
 174
 175             TP_STRUCT__entry(
 176                     __field(int, id)
 177                     __field(__u32, inttype)
 178                     __field(__u64, data0)
 179                     __field(__u64, data1)
 180                     ),
 181
 182             TP_fast_assign(
 183                     __entry->id = id;
 184                     __entry->inttype = type & 0x00000000ffffffff;
 185                     __entry->data0 = data0;
 186                     __entry->data1 = data1;
 187                     ),
 188
 189             TP_printk("deliver interrupt (vcpu %d): type:%x (%s) "      \
 190                       "data:%08llx %016llx",
 191                       __entry->id, __entry->inttype,
 192                       __print_symbolic(__entry->inttype, kvm_s390_int_type),
 193                       __entry->data0, __entry->data1)
 194         );
 195
 196 /*
 197  * Trace point for resets that may be requested from userspace.
 198  */
 199 TRACE_EVENT(kvm_s390_request_resets,
 200             TP_PROTO(__u64 resets),
 201             TP_ARGS(resets),
 202
 203             TP_STRUCT__entry(
 204                     __field(__u64, resets)
 205                     ),
 206
 207             TP_fast_assign(
 208                     __entry->resets = resets;
 209                     ),
 210
 211             TP_printk("requesting userspace resets %llx",
 212                       __entry->resets)
 213         );
 214
 215 /*
 216  * Trace point for a vcpu's stop requests.
 217  */
 218 TRACE_EVENT(kvm_s390_stop_request,
 219             TP_PROTO(unsigned char stop_irq, unsigned char flags),
 220             TP_ARGS(stop_irq, flags),
 221
 222             TP_STRUCT__entry(
 223                     __field(unsigned char, stop_irq)
 224                     __field(unsigned char, flags)
 225                     ),
 226
 227             TP_fast_assign(
 228                     __entry->stop_irq = stop_irq;
 229                     __entry->flags = flags;
 230                     ),
 231
 232             TP_printk("stop request, stop irq = %u, flags = %08x",
 233                       __entry->stop_irq, __entry->flags)
 234         );
 235
 236
 237 /*
 238  * Trace point for enabling channel I/O instruction support.
 239  */
 240 TRACE_EVENT(kvm_s390_enable_css,
 241             TP_PROTO(void *kvm),
 242             TP_ARGS(kvm),
 243
 244             TP_STRUCT__entry(
 245                     __field(void *, kvm)
 246                     ),
 247
 248             TP_fast_assign(
 249                     __entry->kvm = kvm;
 250                     ),
 251
 252             TP_printk("enabling channel I/O support (kvm @ %p)\n",
 253                       __entry->kvm)
 254         );
 255
 256 /*
 257  * Trace point for enabling and disabling interlocking-and-broadcasting
 258  * suppression.
 259  */
 260 TRACE_EVENT(kvm_s390_enable_disable_ibs,
 261             TP_PROTO(unsigned int id, int state),
 262             TP_ARGS(id, state),
 263
 264             TP_STRUCT__entry(
 265                     __field(unsigned int, id)
 266                     __field(int, state)
 267                     ),
 268
 269             TP_fast_assign(
 270                     __entry->id = id;
 271                     __entry->state = state;
 272                     ),
 273
 274             TP_printk("%s ibs on cpu %d",
 275                       __entry->state ? "enabling" : "disabling", __entry->id)
 276         );
 277
 278
 279 #endif /* _TRACE_KVMS390_H */
 280
 281 /* This part must be outside protection */
 282 #include <trace/define_trace.h>