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 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 #endif /* CONFIG_X86_LOCAL_APIC */
 142
 143 #undef TRACE_INCLUDE_PATH
 144 #define TRACE_INCLUDE_PATH .
 145 #define TRACE_INCLUDE_FILE irq_vectors
 146 #endif /*  _TRACE_IRQ_VECTORS_H */
 147
 148 /* This part must be outside protection */
 149 #include <trace/define_trace.h>