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