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Commit f1f9b3b1 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

perfcounters, sched: remove __task_delta_exec() 



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

[ Impact: remove unused kernel function ]

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 125e702b

include/linux/kernel_stat.h

+0 −1
Original line number Diff line number Diff line
@@ -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);

kernel/sched.c

+0 −23
Original line number Diff line number Diff line
@@ -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.