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   1 #if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define _TRACE_IRQ_H
   3
   4 #include <linux/tracepoint.h>
   5 #include <linux/interrupt.h>
   6
   7 #undef TRACE_SYSTEM
   8 #define TRACE_SYSTEM irq
   9
  10 /*
  11  * Tracepoint for entry of interrupt handler:
  12  */
  13 TRACE_FORMAT(irq_handler_entry,
  14         TP_PROTO(int irq, struct irqaction *action),
  15         TP_ARGS(irq, action),
  16         TP_FMT("irq=%d handler=%s", irq, action->name)
  17         );
  18
  19 /*
  20  * Tracepoint for return of an interrupt handler:
  21  */
  22 TRACE_EVENT(irq_handler_exit,
  23
  24         TP_PROTO(int irq, struct irqaction *action, int ret),
  25
  26         TP_ARGS(irq, action, ret),
  27
  28         TP_STRUCT__entry(
  29                 __field(        int,    irq     )
  30                 __field(        int,    ret     )
  31         ),
  32
  33         TP_fast_assign(
  34                 __entry->irq    = irq;
  35                 __entry->ret    = ret;
  36         ),
  37
  38         TP_printk("irq=%d return=%s",
  39                   __entry->irq, __entry->ret ? "handled" : "unhandled")
  40 );
  41
  42 TRACE_FORMAT(softirq_entry,
  43         TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
  44         TP_ARGS(h, vec),
  45         TP_FMT("softirq=%d action=%s", (int)(h - vec), softirq_to_name[h-vec])
  46         );
  47
  48 TRACE_FORMAT(softirq_exit,
  49         TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
  50         TP_ARGS(h, vec),
  51         TP_FMT("softirq=%d action=%s", (int)(h - vec), softirq_to_name[h-vec])
  52         );
  53
  54 #endif