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workqueue: temporarily remove workqueue tracing

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Strip tracing code from workqueue and remove workqueue tracing.  This
is temporary measure till concurrency managed workqueue is complete.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Tejun Heo
2010-06-29 10:07:11 +02:00
parent a62428c0ae
commit 6416669975
3 changed files with 3 additions and 114 deletions
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14
kernel/workqueue.c
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@ -33,8 +33,6 @@
#include <linux/kallsyms.h>
#include <linux/debug_locks.h>
#include <linux/lockdep.h>
#define CREATE_TRACE_POINTS
#include <trace/events/workqueue.h>
/*
* Structure fields follow one of the following exclusion rules.
@ -243,10 +241,10 @@ static inline void clear_wq_data(struct work_struct *work)
atomic_long_set(&work->data, work_static(work));
}
static inline
struct cpu_workqueue_struct *get_wq_data(struct work_struct *work)
static inline struct cpu_workqueue_struct *get_wq_data(struct work_struct *work)
{
return (void *) (atomic_long_read(&work->data) & WORK_STRUCT_WQ_DATA_MASK);
return (void *)(atomic_long_read(&work->data) &
WORK_STRUCT_WQ_DATA_MASK);
}
/**
@ -265,8 +263,6 @@ static void insert_work(struct cpu_workqueue_struct *cwq,
struct work_struct *work, struct list_head *head,
unsigned int extra_flags)
{
trace_workqueue_insertion(cwq->thread, work);
/* we own @work, set data and link */
set_wq_data(work, cwq, extra_flags);
@ -431,7 +427,6 @@ static void process_one_work(struct cpu_workqueue_struct *cwq,
struct lockdep_map lockdep_map = work->lockdep_map;
#endif
/* claim and process */
trace_workqueue_execution(cwq->thread, work);
debug_work_deactivate(work);
cwq->current_work = work;
list_del_init(&work->entry);
@ -1017,8 +1012,6 @@ static int create_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu)
return PTR_ERR(p);
cwq->thread = p;
trace_workqueue_creation(cwq->thread, cpu);
return 0;
}
@ -1123,7 +1116,6 @@ static void cleanup_workqueue_thread(struct cpu_workqueue_struct *cwq)
* checks list_empty(), and a "normal" queue_work() can't use
* a dead CPU.
*/
trace_workqueue_destruction(cwq->thread);
kthread_stop(cwq->thread);
cwq->thread = NULL;
}