LCOV - code coverage report
Current view: top level - include/trace/events - workqueue.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 4 5 80.0 %
Date: 2014-02-18 Functions: 0 12 0.0 %
Branches: 4 78 5.1 %

           Branch data     Line data    Source code
       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   [ #  #  #  # ]:          0 : 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_queue_work - called when a work gets queued
      29                 :            :  * @req_cpu:    the requested cpu
      30                 :            :  * @pwq:        pointer to struct pool_workqueue
      31                 :            :  * @work:       pointer to struct work_struct
      32                 :            :  *
      33                 :            :  * This event occurs when a work is queued immediately or once a
      34                 :            :  * delayed work is actually queued on a workqueue (ie: once the delay
      35                 :            :  * has been reached).
      36                 :            :  */
      37   [ -  +  #  # ]:     966932 : TRACE_EVENT(workqueue_queue_work,
                 [ #  # ]
           [ #  #  #  # ]
           [ #  #  #  # ]
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
                 [ #  # ]
      38                 :            : 
      39                 :            :         TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq,
      40                 :            :                  struct work_struct *work),
      41                 :            : 
      42                 :            :         TP_ARGS(req_cpu, pwq, work),
      43                 :            : 
      44                 :            :         TP_STRUCT__entry(
      45                 :            :                 __field( void *,        work    )
      46                 :            :                 __field( void *,        function)
      47                 :            :                 __field( void *,        workqueue)
      48                 :            :                 __field( unsigned int,  req_cpu )
      49                 :            :                 __field( unsigned int,  cpu     )
      50                 :            :         ),
      51                 :            : 
      52                 :            :         TP_fast_assign(
      53                 :            :                 __entry->work                = work;
      54                 :            :                 __entry->function    = work->func;
      55                 :            :                 __entry->workqueue   = pwq->wq;
      56                 :            :                 __entry->req_cpu     = req_cpu;
      57                 :            :                 __entry->cpu         = pwq->pool->cpu;
      58                 :            :         ),
      59                 :            : 
      60                 :            :         TP_printk("work struct=%p function=%pf workqueue=%p req_cpu=%u cpu=%u",
      61                 :            :                   __entry->work, __entry->function, __entry->workqueue,
      62                 :            :                   __entry->req_cpu, __entry->cpu)
      63                 :            : );
      64                 :            : 
      65                 :            : /**
      66                 :            :  * workqueue_activate_work - called when a work gets activated
      67                 :            :  * @work:       pointer to struct work_struct
      68                 :            :  *
      69                 :            :  * This event occurs when a queued work is put on the active queue,
      70                 :            :  * which happens immediately after queueing unless @max_active limit
      71                 :            :  * is reached.
      72                 :            :  */
      73   [ -  +  #  # ]:     966932 : DEFINE_EVENT(workqueue_work, workqueue_activate_work,
                 [ #  # ]
           [ #  #  #  # ]
                 [ #  # ]
      74                 :            : 
      75                 :            :         TP_PROTO(struct work_struct *work),
      76                 :            : 
      77                 :            :         TP_ARGS(work)
      78                 :            : );
      79                 :            : 
      80                 :            : /**
      81                 :            :  * workqueue_execute_start - called immediately before the workqueue callback
      82                 :            :  * @work:       pointer to struct work_struct
      83                 :            :  *
      84                 :            :  * Allows to track workqueue execution.
      85                 :            :  */
      86   [ -  +  #  # ]:     963407 : TRACE_EVENT(workqueue_execute_start,
                 [ #  # ]
           [ #  #  #  # ]
           [ #  #  #  # ]
         [ #  # ][ #  # ]
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      87                 :            : 
      88                 :            :         TP_PROTO(struct work_struct *work),
      89                 :            : 
      90                 :            :         TP_ARGS(work),
      91                 :            : 
      92                 :            :         TP_STRUCT__entry(
      93                 :            :                 __field( void *,        work    )
      94                 :            :                 __field( void *,        function)
      95                 :            :         ),
      96                 :            : 
      97                 :            :         TP_fast_assign(
      98                 :            :                 __entry->work                = work;
      99                 :            :                 __entry->function    = work->func;
     100                 :            :         ),
     101                 :            : 
     102                 :            :         TP_printk("work struct %p: function %pf", __entry->work, __entry->function)
     103                 :            : );
     104                 :            : 
     105                 :            : /**
     106                 :            :  * workqueue_execute_end - called immediately after the workqueue callback
     107                 :            :  * @work:       pointer to struct work_struct
     108                 :            :  *
     109                 :            :  * Allows to track workqueue execution.
     110                 :            :  */
     111   [ -  +  #  # ]:     963447 : DEFINE_EVENT(workqueue_work, workqueue_execute_end,
                 [ #  # ]
     112                 :            : 
     113                 :            :         TP_PROTO(struct work_struct *work),
     114                 :            : 
     115                 :            :         TP_ARGS(work)
     116                 :            : );
     117                 :            : 
     118                 :            : #endif /*  _TRACE_WORKQUEUE_H */
     119                 :            : 
     120                 :            : /* This part must be outside protection */
     121                 :            : #include <trace/define_trace.h>

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