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 extern int trace_resched_ipi_reg(void); 14 extern void trace_resched_ipi_unreg(void); 15 16 DECLARE_EVENT_CLASS(x86_irq_vector, 17 18 TP_PROTO(int vector), 19 20 TP_ARGS(vector), 21 22 TP_STRUCT__entry( 23 __field( int, vector ) 24 ), 25 26 TP_fast_assign( 27 __entry->vector = vector; 28 ), 29 30 TP_printk("vector=%d", __entry->vector) ); 31 32 #define DEFINE_IRQ_VECTOR_EVENT(name) \ 33 DEFINE_EVENT_FN(x86_irq_vector, name##_entry, \ 34 TP_PROTO(int vector), \ 35 TP_ARGS(vector), NULL, NULL); \ 36 DEFINE_EVENT_FN(x86_irq_vector, name##_exit, \ 37 TP_PROTO(int vector), \ 38 TP_ARGS(vector), NULL, NULL); 39 40 #define DEFINE_RESCHED_IPI_EVENT(name) \ 41 DEFINE_EVENT_FN(x86_irq_vector, name##_entry, \ 42 TP_PROTO(int vector), \ 43 TP_ARGS(vector), \ 44 trace_resched_ipi_reg, \ 45 trace_resched_ipi_unreg); \ 46 DEFINE_EVENT_FN(x86_irq_vector, name##_exit, \ 47 TP_PROTO(int vector), \ 48 TP_ARGS(vector), \ 49 trace_resched_ipi_reg, \ 50 trace_resched_ipi_unreg); 51 52 /* 53 * local_timer - called when entering/exiting a local timer interrupt 54 * vector handler 55 */ 56 DEFINE_IRQ_VECTOR_EVENT(local_timer); 57 58 /* 59 * spurious_apic - called when entering/exiting a spurious apic vector handler 60 */ 61 DEFINE_IRQ_VECTOR_EVENT(spurious_apic); 62 63 /* 64 * error_apic - called when entering/exiting an error apic vector handler 65 */ 66 DEFINE_IRQ_VECTOR_EVENT(error_apic); 67 68 /* 69 * x86_platform_ipi - called when entering/exiting a x86 platform ipi interrupt 70 * vector handler 71 */ 72 DEFINE_IRQ_VECTOR_EVENT(x86_platform_ipi); 73 74 #ifdef CONFIG_IRQ_WORK 75 /* 76 * irq_work - called when entering/exiting a irq work interrupt 77 * vector handler 78 */ 79 DEFINE_IRQ_VECTOR_EVENT(irq_work); 80 81 /* 82 * We must dis-allow sampling irq_work_exit() because perf event sampling 83 * itself can cause irq_work, which would lead to an infinite loop; 84 * 85 * 1) irq_work_exit happens 86 * 2) generates perf sample 87 * 3) generates irq_work 88 * 4) goto 1 89 */ 90 TRACE_EVENT_PERF_PERM(irq_work_exit, is_sampling_event(p_event) ? -EPERM : 0); 91 #endif 92 93 /* 94 * The ifdef is required because that tracepoint macro hell emits tracepoint 95 * code in files which include this header even if the tracepoint is not 96 * enabled. Brilliant stuff that. 97 */ 98 #ifdef CONFIG_SMP 99 /* 100 * reschedule - called when entering/exiting a reschedule vector handler 101 */ 102 DEFINE_RESCHED_IPI_EVENT(reschedule); 103 104 /* 105 * call_function - called when entering/exiting a call function interrupt 106 * vector handler 107 */ 108 DEFINE_IRQ_VECTOR_EVENT(call_function); 109 110 /* 111 * call_function_single - called when entering/exiting a call function 112 * single interrupt vector handler 113 */ 114 DEFINE_IRQ_VECTOR_EVENT(call_function_single); 115 #endif 116 117 #ifdef CONFIG_X86_MCE_THRESHOLD 118 /* 119 * threshold_apic - called when entering/exiting a threshold apic interrupt 120 * vector handler 121 */ 122 DEFINE_IRQ_VECTOR_EVENT(threshold_apic); 123 #endif 124 125 #ifdef CONFIG_X86_MCE_AMD 126 /* 127 * deferred_error_apic - called when entering/exiting a deferred apic interrupt 128 * vector handler 129 */ 130 DEFINE_IRQ_VECTOR_EVENT(deferred_error_apic); 131 #endif 132 133 #ifdef CONFIG_X86_THERMAL_VECTOR 134 /* 135 * thermal_apic - called when entering/exiting a thermal apic interrupt 136 * vector handler 137 */ 138 DEFINE_IRQ_VECTOR_EVENT(thermal_apic); 139 #endif 140 141 TRACE_EVENT(vector_config, 142 143 TP_PROTO(unsigned int irq, unsigned int vector, 144 unsigned int cpu, unsigned int apicdest), 145 146 TP_ARGS(irq, vector, cpu, apicdest), 147 148 TP_STRUCT__entry( 149 __field( unsigned int, irq ) 150 __field( unsigned int, vector ) 151 __field( unsigned int, cpu ) 152 __field( unsigned int, apicdest ) 153 ), 154 155 TP_fast_assign( 156 __entry->irq = irq; 157 __entry->vector = vector; 158 __entry->cpu = cpu; 159 __entry->apicdest = apicdest; 160 ), 161 162 TP_printk("irq=%u vector=%u cpu=%u apicdest=0x%08x", 163 __entry->irq, __entry->vector, __entry->cpu, 164 __entry->apicdest) 165 ); 166 167 DECLARE_EVENT_CLASS(vector_mod, 168 169 TP_PROTO(unsigned int irq, unsigned int vector, 170 unsigned int cpu, unsigned int prev_vector, 171 unsigned int prev_cpu), 172 173 TP_ARGS(irq, vector, cpu, prev_vector, prev_cpu), 174 175 TP_STRUCT__entry( 176 __field( unsigned int, irq ) 177 __field( unsigned int, vector ) 178 __field( unsigned int, cpu ) 179 __field( unsigned int, prev_vector ) 180 __field( unsigned int, prev_cpu ) 181 ), 182 183 TP_fast_assign( 184 __entry->irq = irq; 185 __entry->vector = vector; 186 __entry->cpu = cpu; 187 __entry->prev_vector = prev_vector; 188 __entry->prev_cpu = prev_cpu; 189 190 ), 191 192 TP_printk("irq=%u vector=%u cpu=%u prev_vector=%u prev_cpu=%u", 193 __entry->irq, __entry->vector, __entry->cpu, 194 __entry->prev_vector, __entry->prev_cpu) 195 ); 196 197 #define DEFINE_IRQ_VECTOR_MOD_EVENT(name) \ 198 DEFINE_EVENT_FN(vector_mod, name, \ 199 TP_PROTO(unsigned int irq, unsigned int vector, \ 200 unsigned int cpu, unsigned int prev_vector, \ 201 unsigned int prev_cpu), \ 202 TP_ARGS(irq, vector, cpu, prev_vector, prev_cpu), NULL, NULL); \ 203 204 DEFINE_IRQ_VECTOR_MOD_EVENT(vector_update); 205 DEFINE_IRQ_VECTOR_MOD_EVENT(vector_clear); 206 207 DECLARE_EVENT_CLASS(vector_reserve, 208 209 TP_PROTO(unsigned int irq, int ret), 210 211 TP_ARGS(irq, ret), 212 213 TP_STRUCT__entry( 214 __field( unsigned int, irq ) 215 __field( int, ret ) 216 ), 217 218 TP_fast_assign( 219 __entry->irq = irq; 220 __entry->ret = ret; 221 ), 222 223 TP_printk("irq=%u ret=%d", __entry->irq, __entry->ret) 224 ); 225 226 #define DEFINE_IRQ_VECTOR_RESERVE_EVENT(name) \ 227 DEFINE_EVENT_FN(vector_reserve, name, \ 228 TP_PROTO(unsigned int irq, int ret), \ 229 TP_ARGS(irq, ret), NULL, NULL); \ 230 231 DEFINE_IRQ_VECTOR_RESERVE_EVENT(vector_reserve_managed); 232 DEFINE_IRQ_VECTOR_RESERVE_EVENT(vector_reserve); 233 234 TRACE_EVENT(vector_alloc, 235 236 TP_PROTO(unsigned int irq, unsigned int vector, bool reserved, 237 int ret), 238 239 TP_ARGS(irq, vector, ret, reserved), 240 241 TP_STRUCT__entry( 242 __field( unsigned int, irq ) 243 __field( unsigned int, vector ) 244 __field( bool, reserved ) 245 __field( int, ret ) 246 ), 247 248 TP_fast_assign( 249 __entry->irq = irq; 250 __entry->vector = ret < 0 ? 0 : vector; 251 __entry->reserved = reserved; 252 __entry->ret = ret > 0 ? 0 : ret; 253 ), 254 255 TP_printk("irq=%u vector=%u reserved=%d ret=%d", 256 __entry->irq, __entry->vector, 257 __entry->reserved, __entry->ret) 258 ); 259 260 TRACE_EVENT(vector_alloc_managed, 261 262 TP_PROTO(unsigned int irq, unsigned int vector, 263 int ret), 264 265 TP_ARGS(irq, vector, ret), 266 267 TP_STRUCT__entry( 268 __field( unsigned int, irq ) 269 __field( unsigned int, vector ) 270 __field( int, ret ) 271 ), 272 273 TP_fast_assign( 274 __entry->irq = irq; 275 __entry->vector = ret < 0 ? 0 : vector; 276 __entry->ret = ret > 0 ? 0 : ret; 277 ), 278 279 TP_printk("irq=%u vector=%u ret=%d", 280 __entry->irq, __entry->vector, __entry->ret) 281 ); 282 283 DECLARE_EVENT_CLASS(vector_activate, 284 285 TP_PROTO(unsigned int irq, bool is_managed, bool can_reserve, 286 bool early), 287 288 TP_ARGS(irq, is_managed, can_reserve, early), 289 290 TP_STRUCT__entry( 291 __field( unsigned int, irq ) 292 __field( bool, is_managed ) 293 __field( bool, can_reserve ) 294 __field( bool, early ) 295 ), 296 297 TP_fast_assign( 298 __entry->irq = irq; 299 __entry->is_managed = is_managed; 300 __entry->can_reserve = can_reserve; 301 __entry->early = early; 302 ), 303 304 TP_printk("irq=%u is_managed=%d can_reserve=%d early=%d", 305 __entry->irq, __entry->is_managed, __entry->can_reserve, 306 __entry->early) 307 ); 308 309 #define DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(name) \ 310 DEFINE_EVENT_FN(vector_activate, name, \ 311 TP_PROTO(unsigned int irq, bool is_managed, \ 312 bool can_reserve, bool early), \ 313 TP_ARGS(irq, is_managed, can_reserve, early), NULL, NULL); \ 314 315 DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(vector_activate); 316 DEFINE_IRQ_VECTOR_ACTIVATE_EVENT(vector_deactivate); 317 318 TRACE_EVENT(vector_teardown, 319 320 TP_PROTO(unsigned int irq, bool is_managed, bool has_reserved), 321 322 TP_ARGS(irq, is_managed, has_reserved), 323 324 TP_STRUCT__entry( 325 __field( unsigned int, irq ) 326 __field( bool, is_managed ) 327 __field( bool, has_reserved ) 328 ), 329 330 TP_fast_assign( 331 __entry->irq = irq; 332 __entry->is_managed = is_managed; 333 __entry->has_reserved = has_reserved; 334 ), 335 336 TP_printk("irq=%u is_managed=%d has_reserved=%d", 337 __entry->irq, __entry->is_managed, __entry->has_reserved) 338 ); 339 340 TRACE_EVENT(vector_setup, 341 342 TP_PROTO(unsigned int irq, bool is_legacy, int ret), 343 344 TP_ARGS(irq, is_legacy, ret), 345 346 TP_STRUCT__entry( 347 __field( unsigned int, irq ) 348 __field( bool, is_legacy ) 349 __field( int, ret ) 350 ), 351 352 TP_fast_assign( 353 __entry->irq = irq; 354 __entry->is_legacy = is_legacy; 355 __entry->ret = ret; 356 ), 357 358 TP_printk("irq=%u is_legacy=%d ret=%d", 359 __entry->irq, __entry->is_legacy, __entry->ret) 360 ); 361 362 TRACE_EVENT(vector_free_moved, 363 364 TP_PROTO(unsigned int irq, unsigned int cpu, unsigned int vector, 365 bool is_managed), 366 367 TP_ARGS(irq, cpu, vector, is_managed), 368 369 TP_STRUCT__entry( 370 __field( unsigned int, irq ) 371 __field( unsigned int, cpu ) 372 __field( unsigned int, vector ) 373 __field( bool, is_managed ) 374 ), 375 376 TP_fast_assign( 377 __entry->irq = irq; 378 __entry->cpu = cpu; 379 __entry->vector = vector; 380 __entry->is_managed = is_managed; 381 ), 382 383 TP_printk("irq=%u cpu=%u vector=%u is_managed=%d", 384 __entry->irq, __entry->cpu, __entry->vector, 385 __entry->is_managed) 386 ); 387 388 389 #endif /* CONFIG_X86_LOCAL_APIC */ 390 391 #undef TRACE_INCLUDE_PATH 392 #define TRACE_INCLUDE_PATH . 393 #define TRACE_INCLUDE_FILE irq_vectors 394 #endif /* _TRACE_IRQ_VECTORS_H */ 395 396 /* This part must be outside protection */ 397 #include <trace/define_trace.h> 398