arch/x86/include/asm/trace/irq_vectors.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM irq_vectors
   4
   5 #if !defined(_TRACE_IRQ_VECTORS_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_IRQ_VECTORS_H
   7
   8 #include <linux/tracepoint.h>
   9 #include <asm/trace/common.h>
  10
  11 #ifdef CONFIG_X86_LOCAL_APIC
  12
  13 DECLARE_EVENT_CLASS(x86_irq_vector,
  14
  15         TP_PROTO(int vector),
  16
  17         TP_ARGS(vector),
  18
  19         TP_STRUCT__entry(
  20                 __field(                int,    vector  )
  21         ),
  22
  23         TP_fast_assign(
  24                 __entry->vector = vector;
  25         ),
  26
  27         TP_printk("vector=%d", __entry->vector) );
  28
  29 #define DEFINE_IRQ_VECTOR_EVENT(name)           \
  30 DEFINE_EVENT_FN(x86_irq_vector, name##_entry,   \
  31         TP_PROTO(int vector),                   \
  32         TP_ARGS(vector), NULL, NULL);           \
  33 DEFINE_EVENT_FN(x86_irq_vector, name##_exit,    \
  34         TP_PROTO(int vector),                   \
  35         TP_ARGS(vector), NULL, NULL);
  36
  37 /*
  38  * local_timer - called when entering/exiting a local timer interrupt
  39  * vector handler
  40  */
  41 DEFINE_IRQ_VECTOR_EVENT(local_timer);
  42
  43 /*
  44  * spurious_apic - called when entering/exiting a spurious apic vector handler
  45  */
  46 DEFINE_IRQ_VECTOR_EVENT(spurious_apic);
  47
  48 /*
  49  * error_apic - called when entering/exiting an error apic vector handler
  50  */
  51 DEFINE_IRQ_VECTOR_EVENT(error_apic);
  52
  53 /*
  54  * x86_platform_ipi - called when entering/exiting a x86 platform ipi interrupt
  55  * vector handler
  56  */
  57 DEFINE_IRQ_VECTOR_EVENT(x86_platform_ipi);
  58
  59 #ifdef CONFIG_IRQ_WORK
  60 /*
  61  * irq_work - called when entering/exiting a irq work interrupt
  62  * vector handler
  63  */
  64 DEFINE_IRQ_VECTOR_EVENT(irq_work);
  65
  66 /*
  67  * We must dis-allow sampling irq_work_exit() because perf event sampling
  68  * itself can cause irq_work, which would lead to an infinite loop;
  69  *
  70  *  1) irq_work_exit happens
  71  *  2) generates perf sample
  72  *  3) generates irq_work
  73  *  4) goto 1
  74  */
  75 TRACE_EVENT_PERF_PERM(irq_work_exit, is_sampling_event(p_event) ? -EPERM : 0);
  76 #endif
  77
  78 /*
  79  * The ifdef is required because that tracepoint macro hell emits tracepoint
  80  * code in files which include this header even if the tracepoint is not
  81  * enabled. Brilliant stuff that.
  82  */
  83 #ifdef CONFIG_SMP
  84 /*
  85  * reschedule - called when entering/exiting a reschedule vector handler
  86  */
  87 DEFINE_IRQ_VECTOR_EVENT(reschedule);
  88
  89 /*
  90  * call_function - called when entering/exiting a call function interrupt
  91  * vector handler
  92  */
  93 DEFINE_IRQ_VECTOR_EVENT(call_function);
  94
  95 /*
  96  * call_function_single - called when entering/exiting a call function
  97  * single interrupt vector handler
  98  */
  99 DEFINE_IRQ_VECTOR_EVENT(call_function_single);
 100 #endif
 101
 102 #ifdef CONFIG_X86_MCE_THRESHOLD
 103 /*
 104  * threshold_apic - called when entering/exiting a threshold apic interrupt
 105  * vector handler
 106  */
 107 DEFINE_IRQ_VECTOR_EVENT(threshold_apic);
 108 #endif
 109
 110 #ifdef CONFIG_X86_MCE_AMD
 111 /*
 112  * deferred_error_apic - called when entering/exiting a deferred apic interrupt
 113  * vector handler
 114  */
 115 DEFINE_IRQ_VECTOR_EVENT(deferred_error_apic);
 116 #endif
 117
 118 #ifdef CONFIG_X86_THERMAL_VECTOR
 119 /*
 120  * thermal_apic - called when entering/exiting a thermal apic interrupt
 121  * vector handler
 122  */
 123 DEFINE_IRQ_VECTOR_EVENT(thermal_apic);
 124 #endif
 125
 126 TRACE_EVENT(vector_config,
 127
 128         TP_PROTO(unsigned int irq, unsigned int vector,
 129                  unsigned int cpu, unsigned int apicdest),
 130
 131         TP_ARGS(irq, vector, cpu, apicdest),
 132
 133         TP_STRUCT__entry(
 134                 __field(        unsigned int,   irq             )
 135                 __field(        unsigned int,   vector          )
 136                 __field(        unsigned int,   cpu             )
 137                 __field(        unsigned int,   apicdest        )
 138         ),
 139
 140         TP_fast_assign(
 141                 __entry->irq            = irq;
 142                 __entry->vector         = vector;
 143                 __entry->cpu            = cpu;
 144                 __entry->apicdest       = apicdest;
 145         ),
 146
 147         TP_printk("irq=%u vector=%u cpu=%u apicdest=0x%08x",
 148                   __entry->irq, __entry->vector, __entry->cpu,
 149                   __entry->apicdest)
 150 );
 151
 152 DECLARE_EVENT_CLASS(vector_mod,
 153
 154         TP_PROTO(unsigned int irq, unsigned int vector,
 155                  unsigned int cpu, unsigned int prev_vector,
 156                  unsigned int prev_cpu),
 157
 158         TP_ARGS(irq, vector, cpu, prev_vector, prev_cpu),
 159
 160         TP_STRUCT__entry(
 161                 __field(        unsigned int,   irq             )
 162                 __field(        unsigned int,   vector          )
 163                 __field(        unsigned int,   cpu             )
 164                 __field(        unsigned int,   prev_vector     )
 165                 __field(        unsigned int,   prev_cpu        )
 166         ),
 167
 168         TP_fast_assign(
 169                 __entry->irq            = irq;
 170                 __entry->vector         = vector;
 171                 __entry->cpu            = cpu;
 172                 __entry->prev_vector    = prev_vector;
 173                 __entry->prev_cpu       = prev_cpu;
 174
 175         ),
 176
 177         TP_printk("irq=%u vector=%u cpu=%u prev_vector=%u prev_cpu=%u",
 178                   __entry->irq, __entry->vector, __entry->cpu,
 179                   __entry->prev_vector, __entry->prev_cpu)
 180 );
 181
 182 #define DEFINE_IRQ_VECTOR_MOD_EVENT(name)                               \
 183 DEFINE_EVENT_FN(vector_mod, name,                                       \
 184         TP_PROTO(unsigned int irq, unsigned int vector,                 \
 185                  unsigned int cpu, unsigned int prev_vector,            \
 186                  unsigned int prev_cpu),                                \
 187         TP_ARGS(irq, vector, cpu, prev_vector, prev_cpu), NULL, NULL);  \
 188
 189 DEFINE_IRQ_VECTOR_MOD_EVENT(vector_update);
 190 DEFINE_IRQ_VECTOR_MOD_EVENT(vector_clear);
 191
 192 DECLARE_EVENT_CLASS(vector_reserve,
 193
 194         TP_PROTO(unsigned int irq, int ret),
 195
 196         TP_ARGS(irq, ret),
 197
 198         TP_STRUCT__entry(
 199                 __field(        unsigned int,   irq     )
 200                 __field(        int,            ret     )
 201         ),
 202
 203         TP_fast_assign(
 204                 __entry->irq = irq;
 205                 __entry->ret = ret;
 206         ),
 207
 208         TP_printk("irq=%u ret=%d", __entry->irq, __entry->ret)
 209 );
 210
 211 #define DEFINE_IRQ_VECTOR_RESERVE_EVENT(name)   \
 212 DEFINE_EVENT_FN(vector_reserve, name,   \
 213         TP_PROTO(unsigned int irq, int ret),    \
 214         TP_ARGS(irq, ret), NULL, NULL);         \
 215
 216 DEFINE_IRQ_VECTOR_RESERVE_EVENT(vector_reserve_managed);
 217 DEFINE_IRQ_VECTOR_RESERVE_EVENT(vector_reserve);
 218
 219 TRACE_EVENT(vector_alloc,
 220
 221         TP_PROTO(unsigned int irq, unsigned int vector, bool reserved,
 222                  int ret),
 223
 224         TP_ARGS(irq, vector, reserved, ret),
 225
 226         TP_STRUCT__entry(
 227                 __field(        unsigned int,   irq             )
 228                 __field(        unsigned int,   vector          )
 229                 __field(        bool,           reserved        )
 230                 __field(        int,            ret             )
 231         ),
 232
 233         TP_fast_assign(
 234                 __entry->irq            = irq;
 235                 __entry->vector         = ret < 0 ? 0 : vector;
 236                 __entry->reserved       = reserved;
 237                 __entry->ret            = ret > 0 ? 0 : ret;
 238         ),
 239
 240         TP_printk("irq=%u vector=%u reserved=%d ret=%d",
 241                   __entry->irq, __entry->vector,
 242                   __entry->reserved, __entry->ret)
 243 );
 244
 245 TRACE_EVENT(vector_alloc_managed,
 246
 247         TP_PROTO(unsigned int irq, unsigned int vector,
 248                  int ret),
 249
 250         TP_ARGS(irq, vector, ret),
 251
 252         TP_STRUCT__entry(
 253                 __field(        unsigned int,   irq             )
 254                 __field(        unsigned int,   vector          )
 255                 __field(        int,            ret             )
 256         ),
 257
 258         TP_fast_assign(
 259                 __entry->irq            = irq;
 260                 __entry->vector         = ret < 0 ? 0 : vector;
 261                 __entry->ret            = ret > 0 ? 0 : ret;
 262         ),
 263
 264         TP_printk("irq=%u vector=%u ret=%d",
 265                   __entry->irq, __entry->vector, __entry->ret)
 266 );
 267
 268 DECLARE_EVENT_CLASS(vector_activate,
 269
 270         TP_PROTO(unsigned int irq, bool is_managed, bool can_reserve,
 271                  bool reserve),
 272
 273         TP_ARGS(irq, is_managed, can_reserve, reserve),
 274
 275         TP_STRUCT__entry(
 276                 __field(        unsigned int,   irq             )
 277                 __field(        bool,           is_managed      )
 278                 __field(        bool,           can_reserve     )
 279                 __field(        bool,           reserve         )
 280         ),
 281
 282         TP_fast_assign(
 283                 __entry->irq            = irq;
 284                 __entry->is_managed     = is_managed;
 285                 __entry->can_reserve    = can_reserve;
 286                 __entry->reserve        = reserve;
 287         ),
 288
 289         TP_printk("irq=%u is_managed=%d can_reserve=%d reserve=%d",
 290                   __entry->irq, __entry->is_managed, __entry->can_reserve,
 291                   __entry->reserve)
 292 );
 293
 294 #define DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(name)                          \
 295 DEFINE_EVENT_FN(vector_activate, name,                                  \
 296         TP_PROTO(unsigned int irq, bool is_managed,                     \
 297                  bool can_reserve, bool reserve),                       \
 298         TP_ARGS(irq, is_managed, can_reserve, reserve), NULL, NULL);    \
 299
 300 DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(vector_activate);
 301 DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(vector_deactivate);
 302
 303 TRACE_EVENT(vector_teardown,
 304
 305         TP_PROTO(unsigned int irq, bool is_managed, bool has_reserved),
 306
 307         TP_ARGS(irq, is_managed, has_reserved),
 308
 309         TP_STRUCT__entry(
 310                 __field(        unsigned int,   irq             )
 311                 __field(        bool,           is_managed      )
 312                 __field(        bool,           has_reserved    )
 313         ),
 314
 315         TP_fast_assign(
 316                 __entry->irq            = irq;
 317                 __entry->is_managed     = is_managed;
 318                 __entry->has_reserved   = has_reserved;
 319         ),
 320
 321         TP_printk("irq=%u is_managed=%d has_reserved=%d",
 322                   __entry->irq, __entry->is_managed, __entry->has_reserved)
 323 );
 324
 325 TRACE_EVENT(vector_setup,
 326
 327         TP_PROTO(unsigned int irq, bool is_legacy, int ret),
 328
 329         TP_ARGS(irq, is_legacy, ret),
 330
 331         TP_STRUCT__entry(
 332                 __field(        unsigned int,   irq             )
 333                 __field(        bool,           is_legacy       )
 334                 __field(        int,            ret             )
 335         ),
 336
 337         TP_fast_assign(
 338                 __entry->irq            = irq;
 339                 __entry->is_legacy      = is_legacy;
 340                 __entry->ret            = ret;
 341         ),
 342
 343         TP_printk("irq=%u is_legacy=%d ret=%d",
 344                   __entry->irq, __entry->is_legacy, __entry->ret)
 345 );
 346
 347 TRACE_EVENT(vector_free_moved,
 348
 349         TP_PROTO(unsigned int irq, unsigned int cpu, unsigned int vector,
 350                  bool is_managed),
 351
 352         TP_ARGS(irq, cpu, vector, is_managed),
 353
 354         TP_STRUCT__entry(
 355                 __field(        unsigned int,   irq             )
 356                 __field(        unsigned int,   cpu             )
 357                 __field(        unsigned int,   vector          )
 358                 __field(        bool,           is_managed      )
 359         ),
 360
 361         TP_fast_assign(
 362                 __entry->irq            = irq;
 363                 __entry->cpu            = cpu;
 364                 __entry->vector         = vector;
 365                 __entry->is_managed     = is_managed;
 366         ),
 367
 368         TP_printk("irq=%u cpu=%u vector=%u is_managed=%d",
 369                   __entry->irq, __entry->cpu, __entry->vector,
 370                   __entry->is_managed)
 371 );
 372
 373
 374 #endif /* CONFIG_X86_LOCAL_APIC */
 375
 376 #undef TRACE_INCLUDE_PATH
 377 #undef TRACE_INCLUDE_FILE
 378 #define TRACE_INCLUDE_PATH .
 379 #define TRACE_INCLUDE_FILE irq_vectors
 380 #endif /*  _TRACE_IRQ_VECTORS_H */
 381
 382 /* This part must be outside protection */
 383 #include <trace/define_trace.h>