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workqueue: prepare for more tracepoints

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Define workqueue_work event class and use it for workqueue_execute_end
trace point.  Also, move trace/events/workqueue.h include downwards
such that all struct definitions are visible to it.  This is to
prepare for more tracepoints and doesn't cause any functional change.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Tejun Heo 2010-10-05 10:41:14 +02:00
parent 09383498c5
commit 97bd234701
2 changed files with 22 additions and 16 deletions
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32
include/trace/events/workqueue.h
View file

@ -7,6 +7,23 @@
#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)
);
/**
* workqueue_execute_start - called immediately before the workqueue callback
* @work: pointer to struct work_struct
@ -38,24 +55,13 @@ TRACE_EVENT(workqueue_execute_start,
*
* Allows to track workqueue execution.
*/
TRACE_EVENT(workqueue_execute_end,
DEFINE_EVENT(workqueue_work, workqueue_execute_end,
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)
TP_ARGS(work)
);
#endif /* _TRACE_WORKQUEUE_H */
/* This part must be outside protection */