include/trace/events/workqueue.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM workqueue
   3
   4 #if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_WORKQUEUE_H
   6
   7 #include <linux/tracepoint.h>
   8 #include <linux/workqueue.h>
   9
  10 /**
  11  * workqueue_execute_start - called immediately before the workqueue callback
  12  * @work:       pointer to struct work_struct
  13  *
  14  * Allows to track workqueue execution.
  15  */
  16 TRACE_EVENT(workqueue_execute_start,
  17
  18         TP_PROTO(struct work_struct *work),
  19
  20         TP_ARGS(work),
  21
  22         TP_STRUCT__entry(
  23                 __field( void *,        work    )
  24                 __field( void *,        function)
  25         ),
  26
  27         TP_fast_assign(
  28                 __entry->work           = work;
  29                 __entry->function       = work->func;
  30         ),
  31
  32         TP_printk("work struct %p: function %pf", __entry->work, __entry->function)
  33 );
  34
  35 /**
  36  * workqueue_execute_end - called immediately before the workqueue callback
  37  * @work:       pointer to struct work_struct
  38  *
  39  * Allows to track workqueue execution.
  40  */
  41 TRACE_EVENT(workqueue_execute_end,
  42
  43         TP_PROTO(struct work_struct *work),
  44
  45         TP_ARGS(work),
  46
  47         TP_STRUCT__entry(
  48                 __field( void *,        work    )
  49         ),
  50
  51         TP_fast_assign(
  52                 __entry->work           = work;
  53         ),
  54
  55         TP_printk("work struct %p", __entry->work)
  56 );
  57
  58
  59 #endif /*  _TRACE_WORKQUEUE_H */
  60
  61 /* This part must be outside protection */
  62 #include <trace/define_trace.h>