irq.h

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM irq

#if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_IRQ_H

#include <linux/tracepoint.h>

struct irqaction;
struct softirq_action;

#define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq }
#define show_softirq_name(val)              \
    __print_symbolic(val,               \
             softirq_name(HI),      \
             softirq_name(TIMER),       \
             softirq_name(NET_TX),      \
             softirq_name(NET_RX),      \
             softirq_name(BLOCK),       \
             softirq_name(BLOCK_IOPOLL),    \
             softirq_name(TASKLET),     \
             softirq_name(SCHED),       \
             softirq_name(HRTIMER),     \
             softirq_name(RCU))

TRACE_EVENT(irq_handler_entry,

    TP_PROTO(int irq, struct irqaction *action),

    TP_ARGS(irq, action),

    TP_STRUCT__entry(
        __field(    int,    irq     )
        __string(   name,   action->name    )
    ),

    TP_fast_assign(
        __entry->irq = irq;
        __assign_str(name, action->name);
    ),

    TP_printk("irq=%d name=%s", __entry->irq, __get_str(name))
);

TRACE_EVENT(irq_handler_exit,

    TP_PROTO(int irq, struct irqaction *action, int ret),

    TP_ARGS(irq, action, ret),

    TP_STRUCT__entry(
        __field(    int,    irq )
        __field(    int,    ret )
    ),

    TP_fast_assign(
        __entry->irq    = irq;
        __entry->ret    = ret;
    ),

    TP_printk("irq=%d ret=%s",
          __entry->irq, __entry->ret ? "handled" : "unhandled")
);

DECLARE_EVENT_CLASS(softirq,

    TP_PROTO(unsigned int vec_nr),

    TP_ARGS(vec_nr),

    TP_STRUCT__entry(
        __field(    unsigned int,   vec )
    ),

    TP_fast_assign(
        __entry->vec = vec_nr;
    ),

    TP_printk("vec=%u [action=%s]", __entry->vec,
          show_softirq_name(__entry->vec))
);

DEFINE_EVENT(softirq, softirq_entry,

    TP_PROTO(unsigned int vec_nr),

    TP_ARGS(vec_nr)
);

DEFINE_EVENT(softirq, softirq_exit,

    TP_PROTO(unsigned int vec_nr),

    TP_ARGS(vec_nr)
);

DEFINE_EVENT(softirq, softirq_raise,

    TP_PROTO(unsigned int vec_nr),

    TP_ARGS(vec_nr)
);

#endif /*  _TRACE_IRQ_H */

/* This part must be outside protection */
#include <trace/define_trace.h>