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

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM irq_vectors
   3
   4 #if !defined(_TRACE_IRQ_VECTORS_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_IRQ_VECTORS_H
   6
   7 #include <linux/tracepoint.h>
   8
   9 extern int trace_irq_vector_regfunc(void);
  10 extern void trace_irq_vector_unregfunc(void);
  11
  12 DECLARE_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)           \
  29 DEFINE_EVENT_FN(x86_irq_vector, name##_entry,   \
  30         TP_PROTO(int vector),                   \
  31         TP_ARGS(vector),                        \
  32         trace_irq_vector_regfunc,               \
  33         trace_irq_vector_unregfunc);            \
  34 DEFINE_EVENT_FN(x86_irq_vector, name##_exit,    \
  35         TP_PROTO(int vector),                   \
  36         TP_ARGS(vector),                        \
  37         trace_irq_vector_regfunc,               \
  38         trace_irq_vector_unregfunc);
  39
  40
  41 /*
  42  * local_timer - called when entering/exiting a local timer interrupt
  43  * vector handler
  44  */
  45 DEFINE_IRQ_VECTOR_EVENT(local_timer);
  46
  47 /*
  48  * reschedule - called when entering/exiting a reschedule vector handler
  49  */
  50 DEFINE_IRQ_VECTOR_EVENT(reschedule);
  51
  52 /*
  53  * spurious_apic - called when entering/exiting a spurious apic vector handler
  54  */
  55 DEFINE_IRQ_VECTOR_EVENT(spurious_apic);
  56
  57 /*
  58  * error_apic - called when entering/exiting an error apic vector handler
  59  */
  60 DEFINE_IRQ_VECTOR_EVENT(error_apic);
  61
  62 /*
  63  * x86_platform_ipi - called when entering/exiting a x86 platform ipi interrupt
  64  * vector handler
  65  */
  66 DEFINE_IRQ_VECTOR_EVENT(x86_platform_ipi);
  67
  68 /*
  69  * irq_work - called when entering/exiting a irq work interrupt
  70  * vector handler
  71  */
  72 DEFINE_IRQ_VECTOR_EVENT(irq_work);
  73
  74 /*
  75  * We must dis-allow sampling irq_work_exit() because perf event sampling
  76  * itself can cause irq_work, which would lead to an infinite loop;
  77  *
  78  *  1) irq_work_exit happens
  79  *  2) generates perf sample
  80  *  3) generates irq_work
  81  *  4) goto 1
  82  */
  83 TRACE_EVENT_PERF_PERM(irq_work_exit, is_sampling_event(p_event) ? -EPERM : 0);
  84
  85 /*
  86  * call_function - called when entering/exiting a call function interrupt
  87  * vector handler
  88  */
  89 DEFINE_IRQ_VECTOR_EVENT(call_function);
  90
  91 /*
  92  * call_function_single - called when entering/exiting a call function
  93  * single interrupt vector handler
  94  */
  95 DEFINE_IRQ_VECTOR_EVENT(call_function_single);
  96
  97 /*
  98  * threshold_apic - called when entering/exiting a threshold apic interrupt
  99  * vector handler
 100  */
 101 DEFINE_IRQ_VECTOR_EVENT(threshold_apic);
 102
 103 /*
 104  * deferred_error_apic - called when entering/exiting a deferred apic interrupt
 105  * vector handler
 106  */
 107 DEFINE_IRQ_VECTOR_EVENT(deferred_error_apic);
 108
 109 /*
 110  * thermal_apic - called when entering/exiting a thermal apic interrupt
 111  * vector handler
 112  */
 113 DEFINE_IRQ_VECTOR_EVENT(thermal_apic);
 114
 115 #undef TRACE_INCLUDE_PATH
 116 #define TRACE_INCLUDE_PATH .
 117 #define TRACE_INCLUDE_FILE irq_vectors
 118 #endif /*  _TRACE_IRQ_VECTORS_H */
 119
 120 /* This part must be outside protection */
 121 #include <trace/define_trace.h>