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ftrace: remove add-hoc code

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Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Ingo Molnar 2008-05-12 21:20:54 +02:00 • committed by Thomas Gleixner
commit 4d9493c90f
3 changed files with 2 additions and 58 deletions
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47
kernel/sched.c
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@ -2412,53 +2412,6 @@ static int sched_balance_self(int cpu, int flag)
#endif /* CONFIG_SMP */
#ifdef CONFIG_CONTEXT_SWITCH_TRACER
void ftrace_task(struct task_struct *p, void *__tr, void *__data)
{
#if 0
/*
* trace timeline tree
*/
__trace_special(__tr, __data,
p->pid, p->se.vruntime, p->se.sum_exec_runtime);
#else
/*
* trace balance metrics
*/
__trace_special(__tr, __data,
p->pid, p->se.avg_overlap, 0);
#endif
}
void ftrace_all_fair_tasks(void *__rq, void *__tr, void *__data)
{
struct task_struct *p;
struct sched_entity *se;
struct rb_node *curr;
struct rq *rq = __rq;
if (rq->cfs.curr) {
p = task_of(rq->cfs.curr);
ftrace_task(p, __tr, __data);
}
if (rq->cfs.next) {
p = task_of(rq->cfs.next);
ftrace_task(p, __tr, __data);
}
for (curr = first_fair(&rq->cfs); curr; curr = rb_next(curr)) {
se = rb_entry(curr, struct sched_entity, run_node);
if (!entity_is_task(se))
continue;
p = task_of(se);
ftrace_task(p, __tr, __data);
}
}
#endif
/***
* try_to_wake_up - wake up a thread
* @p: the to-be-woken-up thread