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kernel/linux-rt-4.4.41/arch/x86/include/asm/trace/irq_vectors.h 2.83 KB
5113f6f70   김현기   kernel add
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  #undef TRACE_SYSTEM
  #define TRACE_SYSTEM irq_vectors
  
  #if !defined(_TRACE_IRQ_VECTORS_H) || defined(TRACE_HEADER_MULTI_READ)
  #define _TRACE_IRQ_VECTORS_H
  
  #include <linux/tracepoint.h>
  
  extern void trace_irq_vector_regfunc(void);
  extern void trace_irq_vector_unregfunc(void);
  
  DECLARE_EVENT_CLASS(x86_irq_vector,
  
  	TP_PROTO(int vector),
  
  	TP_ARGS(vector),
  
  	TP_STRUCT__entry(
  		__field(		int,	vector	)
  	),
  
  	TP_fast_assign(
  		__entry->vector = vector;
  	),
  
  	TP_printk("vector=%d", __entry->vector) );
  
  #define DEFINE_IRQ_VECTOR_EVENT(name)		\
  DEFINE_EVENT_FN(x86_irq_vector, name##_entry,	\
  	TP_PROTO(int vector),			\
  	TP_ARGS(vector),			\
  	trace_irq_vector_regfunc,		\
  	trace_irq_vector_unregfunc);		\
  DEFINE_EVENT_FN(x86_irq_vector, name##_exit,	\
  	TP_PROTO(int vector),			\
  	TP_ARGS(vector),			\
  	trace_irq_vector_regfunc,		\
  	trace_irq_vector_unregfunc);
  
  
  /*
   * local_timer - called when entering/exiting a local timer interrupt
   * vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(local_timer);
  
  /*
   * reschedule - called when entering/exiting a reschedule vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(reschedule);
  
  /*
   * spurious_apic - called when entering/exiting a spurious apic vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(spurious_apic);
  
  /*
   * error_apic - called when entering/exiting an error apic vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(error_apic);
  
  /*
   * x86_platform_ipi - called when entering/exiting a x86 platform ipi interrupt
   * vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(x86_platform_ipi);
  
  /*
   * irq_work - called when entering/exiting a irq work interrupt
   * vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(irq_work);
  
  /*
   * We must dis-allow sampling irq_work_exit() because perf event sampling
   * itself can cause irq_work, which would lead to an infinite loop;
   *
   *  1) irq_work_exit happens
   *  2) generates perf sample
   *  3) generates irq_work
   *  4) goto 1
   */
  TRACE_EVENT_PERF_PERM(irq_work_exit, is_sampling_event(p_event) ? -EPERM : 0);
  
  /*
   * call_function - called when entering/exiting a call function interrupt
   * vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(call_function);
  
  /*
   * call_function_single - called when entering/exiting a call function
   * single interrupt vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(call_function_single);
  
  /*
   * threshold_apic - called when entering/exiting a threshold apic interrupt
   * vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(threshold_apic);
  
  /*
   * deferred_error_apic - called when entering/exiting a deferred apic interrupt
   * vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(deferred_error_apic);
  
  /*
   * thermal_apic - called when entering/exiting a thermal apic interrupt
   * vector handler
   */
  DEFINE_IRQ_VECTOR_EVENT(thermal_apic);
  
  #undef TRACE_INCLUDE_PATH
  #define TRACE_INCLUDE_PATH .
  #define TRACE_INCLUDE_FILE irq_vectors
  #endif /*  _TRACE_IRQ_VECTORS_H */
  
  /* This part must be outside protection */
  #include <trace/define_trace.h>