workqueue.h

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM workqueue

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

#include <linux/tracepoint.h>
#include <linux/workqueue.h>

DECLARE_EVENT_CLASS(workqueue_work,

    TP_PROTO(struct work_struct *work),

    TP_ARGS(work),

    TP_STRUCT__entry(
        __field( void *,    work    )
    ),

    TP_fast_assign(
        __entry->work       = work;
    ),

    TP_printk("work struct %p", __entry->work)
);

TRACE_EVENT(workqueue_queue_work,

    TP_PROTO(unsigned int req_cpu, struct cpu_workqueue_struct *cwq,
         struct work_struct *work),

    TP_ARGS(req_cpu, cwq, work),

    TP_STRUCT__entry(
        __field( void *,    work    )
        __field( void *,    function)
        __field( void *,    workqueue)
        __field( unsigned int,  req_cpu )
        __field( unsigned int,  cpu )
    ),

    TP_fast_assign(
        __entry->work       = work;
        __entry->function   = work->func;
        __entry->workqueue  = cwq->wq;
        __entry->req_cpu    = req_cpu;
        __entry->cpu        = cwq->pool->gcwq->cpu;
    ),

    TP_printk("work struct=%p function=%pf workqueue=%p req_cpu=%u cpu=%u",
          __entry->work, __entry->function, __entry->workqueue,
          __entry->req_cpu, __entry->cpu)
);

DEFINE_EVENT(workqueue_work, workqueue_activate_work,

    TP_PROTO(struct work_struct *work),

    TP_ARGS(work)
);

TRACE_EVENT(workqueue_execute_start,

    TP_PROTO(struct work_struct *work),

    TP_ARGS(work),

    TP_STRUCT__entry(
        __field( void *,    work    )
        __field( void *,    function)
    ),

    TP_fast_assign(
        __entry->work       = work;
        __entry->function   = work->func;
    ),

    TP_printk("work struct %p: function %pf", __entry->work, __entry->function)
);

DEFINE_EVENT(workqueue_work, workqueue_execute_end,

    TP_PROTO(struct work_struct *work),

    TP_ARGS(work)
);

#endif /*  _TRACE_WORKQUEUE_H */

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