include/trace/events/irq.h

   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_EVENT(irq_handler_entry,
  14
  15         TP_PROTO(int irq, struct irqaction *action),
  16
  17         TP_ARGS(irq, action),
  18
  19         TP_STRUCT__entry(
  20                 __field(        int,    irq             )
  21                 __string(       name,   action->name    )
  22         ),
  23
  24         TP_fast_assign(
  25                 __entry->irq = irq;
  26                 __assign_str(name, action->name);
  27         ),
  28
  29         TP_printk("irq=%d handler=%s", __entry->irq, __get_str(name))
  30 );
  31
  32 /*
  33  * Tracepoint for return of an interrupt handler:
  34  */
  35 TRACE_EVENT(irq_handler_exit,
  36
  37         TP_PROTO(int irq, struct irqaction *action, int ret),
  38
  39         TP_ARGS(irq, action, ret),
  40
  41         TP_STRUCT__entry(
  42                 __field(        int,    irq     )
  43                 __field(        int,    ret     )
  44         ),
  45
  46         TP_fast_assign(
  47                 __entry->irq    = irq;
  48                 __entry->ret    = ret;
  49         ),
  50
  51         TP_printk("irq=%d return=%s",
  52                   __entry->irq, __entry->ret ? "handled" : "unhandled")
  53 );
  54
  55 TRACE_EVENT(softirq_entry,
  56
  57         TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
  58
  59         TP_ARGS(h, vec),
  60
  61         TP_STRUCT__entry(
  62                 __field(        int,    vec                     )
  63                 __string(       name,   softirq_to_name[h-vec]  )
  64         ),
  65
  66         TP_fast_assign(
  67                 __entry->vec = (int)(h - vec);
  68                 __assign_str(name, softirq_to_name[h-vec]);
  69         ),
  70
  71         TP_printk("softirq=%d action=%s", __entry->vec, __get_str(name))
  72 );
  73
  74 TRACE_EVENT(softirq_exit,
  75
  76         TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
  77
  78         TP_ARGS(h, vec),
  79
  80         TP_STRUCT__entry(
  81                 __field(        int,    vec                     )
  82                 __string(       name,   softirq_to_name[h-vec]  )
  83         ),
  84
  85         TP_fast_assign(
  86                 __entry->vec = (int)(h - vec);
  87                 __assign_str(name, softirq_to_name[h-vec]);
  88         ),
  89
  90         TP_printk("softirq=%d action=%s", __entry->vec, __get_str(name))
  91 );
  92
  93 #endif /*  _TRACE_IRQ_H */
  94
  95 /* This part must be outside protection */
  96 #include <trace/define_trace.h>