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 DECLARE_EVENT_CLASS(workqueue_work,
  11
  12         TP_PROTO(struct work_struct *work),
  13
  14         TP_ARGS(work),
  15
  16         TP_STRUCT__entry(
  17                 __field( void *,        work    )
  18         ),
  19
  20         TP_fast_assign(
  21                 __entry->work           = work;
  22         ),
  23
  24         TP_printk("work struct %p", __entry->work)
  25 );
  26
  27 /**
  28  * workqueue_execute_start - called immediately before the workqueue callback
  29  * @work:       pointer to struct work_struct
  30  *
  31  * Allows to track workqueue execution.
  32  */
  33 TRACE_EVENT(workqueue_execute_start,
  34
  35         TP_PROTO(struct work_struct *work),
  36
  37         TP_ARGS(work),
  38
  39         TP_STRUCT__entry(
  40                 __field( void *,        work    )
  41                 __field( void *,        function)
  42         ),
  43
  44         TP_fast_assign(
  45                 __entry->work           = work;
  46                 __entry->function       = work->func;
  47         ),
  48
  49         TP_printk("work struct %p: function %pf", __entry->work, __entry->function)
  50 );
  51
  52 /**
  53  * workqueue_execute_end - called immediately before the workqueue callback
  54  * @work:       pointer to struct work_struct
  55  *
  56  * Allows to track workqueue execution.
  57  */
  58 DEFINE_EVENT(workqueue_work, workqueue_execute_end,
  59
  60         TP_PROTO(struct work_struct *work),
  61
  62         TP_ARGS(work)
  63 );
  64
  65 #endif /*  _TRACE_WORKQUEUE_H */
  66
  67 /* This part must be outside protection */
  68 #include <trace/define_trace.h>