Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f90ea88f authored by Srivatsa Vaddagiri's avatar Srivatsa Vaddagiri Committed by Syed Rameez Mustafa
Browse files

sched: window-stats: code cleanup 



Provide a wrapper function to reset task's window statistics. This will be
reused by a subsequent patch

Change-Id: Ied7d32325854088c91285d8fee55d5a5e8a954b3
Signed-off-by: default avatarSrivatsa Vaddagiri <vatsa@codeaurora.org>
parent 85ed6be9

kernel/sched/core.c

+13 −8
Original line number Diff line number Diff line
@@ -1653,6 +1653,18 @@ unsigned long sched_get_busy(int cpu) 
			  NSEC_PER_USEC);

}



static void reset_task_stats(struct task_struct *p)

{

	int i;



	p->ravg.sum = 0;

	p->ravg.demand = 0;

	p->ravg.partial_demand = 0;

	p->ravg.flags = 0;

	for (i = 0; i < RAVG_HIST_SIZE_MAX; ++i)

		p->ravg.sum_history[i] = 0;

}



/* Called with IRQs disabled */

void reset_all_window_stats(u64 window_start, unsigned int window_size)

{
@@ -1674,14 +1686,7 @@ void reset_all_window_stats(u64 window_start, unsigned int window_size) 


	read_lock(&tasklist_lock);

	do_each_thread(g, p) {

		int i;



		p->ravg.sum = 0;

		p->ravg.demand = 0;

		p->ravg.partial_demand = 0;

		p->ravg.flags = 0;

		for (i = 0; i < RAVG_HIST_SIZE_MAX; ++i)

			p->ravg.sum_history[i] = 0;

		reset_task_stats(p);

		p->ravg.mark_start = wallclock;

	}  while_each_thread(g, p);

	read_unlock(&tasklist_lock);