Line data    Source code

       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : #undef TRACE_SYSTEM
       3             : #define TRACE_SYSTEM workqueue
       4             : 
       5             : #if !defined(_TRACE_WORKQUEUE_H) || defined(TRACE_HEADER_MULTI_READ)
       6             : #define _TRACE_WORKQUEUE_H
       7             : 
       8             : #include <linux/tracepoint.h>
       9             : #include <linux/workqueue.h>
      10             : 
      11             : struct pool_workqueue;
      12             : 
      13             : /**
      14             :  * workqueue_queue_work - called when a work gets queued
      15             :  * @req_cpu:    the requested cpu
      16             :  * @pwq:        pointer to struct pool_workqueue
      17             :  * @work:       pointer to struct work_struct
      18             :  *
      19             :  * This event occurs when a work is queued immediately or once a
      20             :  * delayed work is actually queued on a workqueue (ie: once the delay
      21             :  * has been reached).
      22             :  */
      23        3788 : TRACE_EVENT(workqueue_queue_work,
      24             : 
      25             :         TP_PROTO(unsigned int req_cpu, struct pool_workqueue *pwq,
      26             :                  struct work_struct *work),
      27             : 
      28             :         TP_ARGS(req_cpu, pwq, work),
      29             : 
      30             :         TP_STRUCT__entry(
      31             :                 __field( void *,        work    )
      32             :                 __field( void *,        function)
      33             :                 __field( const char *,  workqueue)
      34             :                 __field( unsigned int,  req_cpu )
      35             :                 __field( unsigned int,  cpu     )
      36             :         ),
      37             : 
      38             :         TP_fast_assign(
      39             :                 __entry->work                = work;
      40             :                 __entry->function    = work->func;
      41             :                 __entry->workqueue   = pwq->wq->name;
      42             :                 __entry->req_cpu     = req_cpu;
      43             :                 __entry->cpu         = pwq->pool->cpu;
      44             :         ),
      45             : 
      46             :         TP_printk("work struct=%p function=%ps workqueue=%s req_cpu=%u cpu=%u",
      47             :                   __entry->work, __entry->function, __entry->workqueue,
      48             :                   __entry->req_cpu, __entry->cpu)
      49             : );
      50             : 
      51             : /**
      52             :  * workqueue_activate_work - called when a work gets activated
      53             :  * @work:       pointer to struct work_struct
      54             :  *
      55             :  * This event occurs when a queued work is put on the active queue,
      56             :  * which happens immediately after queueing unless @max_active limit
      57             :  * is reached.
      58             :  */
      59        3786 : TRACE_EVENT(workqueue_activate_work,
      60             : 
      61             :         TP_PROTO(struct work_struct *work),
      62             : 
      63             :         TP_ARGS(work),
      64             : 
      65             :         TP_STRUCT__entry(
      66             :                 __field( void *,        work    )
      67             :         ),
      68             : 
      69             :         TP_fast_assign(
      70             :                 __entry->work                = work;
      71             :         ),
      72             : 
      73             :         TP_printk("work struct %p", __entry->work)
      74             : );
      75             : 
      76             : /**
      77             :  * workqueue_execute_start - called immediately before the workqueue callback
      78             :  * @work:       pointer to struct work_struct
      79             :  *
      80             :  * Allows to track workqueue execution.
      81             :  */
      82        3812 : TRACE_EVENT(workqueue_execute_start,
      83             : 
      84             :         TP_PROTO(struct work_struct *work),
      85             : 
      86             :         TP_ARGS(work),
      87             : 
      88             :         TP_STRUCT__entry(
      89             :                 __field( void *,        work    )
      90             :                 __field( void *,        function)
      91             :         ),
      92             : 
      93             :         TP_fast_assign(
      94             :                 __entry->work                = work;
      95             :                 __entry->function    = work->func;
      96             :         ),
      97             : 
      98             :         TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
      99             : );
     100             : 
     101             : /**
     102             :  * workqueue_execute_end - called immediately after the workqueue callback
     103             :  * @work:       pointer to struct work_struct
     104             :  * @function:   pointer to worker function
     105             :  *
     106             :  * Allows to track workqueue execution.
     107             :  */
     108        3812 : TRACE_EVENT(workqueue_execute_end,
     109             : 
     110             :         TP_PROTO(struct work_struct *work, work_func_t function),
     111             : 
     112             :         TP_ARGS(work, function),
     113             : 
     114             :         TP_STRUCT__entry(
     115             :                 __field( void *,        work    )
     116             :                 __field( void *,        function)
     117             :         ),
     118             : 
     119             :         TP_fast_assign(
     120             :                 __entry->work                = work;
     121             :                 __entry->function    = function;
     122             :         ),
     123             : 
     124             :         TP_printk("work struct %p: function %ps", __entry->work, __entry->function)
     125             : );
     126             : 
     127             : #endif /*  _TRACE_WORKQUEUE_H */
     128             : 
     129             : /* This part must be outside protection */
     130             : #include <trace/define_trace.h>