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perfcounters, sched: remove __task_delta_exec()

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This function was left orphan by the latest round of sw-counter
cleanups.

[ Impact: remove unused kernel function ]

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-04-20 20:38:21 +02:00
parent 125e702b09
commit f1f9b3b179
2 changed files with 0 additions and 24 deletions
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1
include/linux/kernel_stat.h
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@ -85,7 +85,6 @@ static inline unsigned int kstat_irqs(unsigned int irq)
/*
* Lock/unlock the current runqueue - to extract task statistics:
*/
extern unsigned long long __task_delta_exec(struct task_struct *tsk, int update);
extern unsigned long long task_delta_exec(struct task_struct *);
extern void account_user_time(struct task_struct *, cputime_t, cputime_t);

23
kernel/sched.c
View File

@ -4546,29 +4546,6 @@ DEFINE_PER_CPU(struct kernel_stat, kstat);
EXPORT_PER_CPU_SYMBOL(kstat);
/*
* Return any ns on the sched_clock that have not yet been banked in
* @p in case that task is currently running.
*/
unsigned long long __task_delta_exec(struct task_struct *p, int update)
{
s64 delta_exec;
struct rq *rq;
rq = task_rq(p);
WARN_ON_ONCE(!runqueue_is_locked());
WARN_ON_ONCE(!task_current(rq, p));
if (update)
update_rq_clock(rq);
delta_exec = rq->clock - p->se.exec_start;
WARN_ON_ONCE(delta_exec < 0);
return delta_exec;
}
/*
* Return any ns on the sched_clock that have not yet been banked in
* @p in case that task is currently running.