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Commit d8a4d035 authored by Dmitry Shmidt's avatar Dmitry Shmidt
Browse files

ANDROID: sched/walt: use div_u64 instead of do_div 



Change-Id: I1ff13f1e409051167e2ff5bd18a1299c78a46306
Signed-off-by: default avatarDmitry Shmidt <dimitrysh@google.com>
parent ac82d16f

include/trace/events/sched.h

+2 −1
Original line number Diff line number Diff line
@@ -1033,7 +1033,8 @@ TRACE_EVENT(walt_update_history, 
		__entry->evt            = evt;

		__entry->demand         = p->ravg.demand;

		__entry->walt_avg	= (__entry->demand << 10);

		do_div(__entry->walt_avg, walt_ravg_window);

		__entry->walt_avg	= div_u64(__entry->walt_avg,

						  walt_ravg_window);

		__entry->pelt_avg	= p->se.avg.util_avg;

		memcpy(__entry->hist, p->ravg.sum_history,

					RAVG_HIST_SIZE_MAX * sizeof(u32));

kernel/sched/sched.h

+1 −1
Original line number Diff line number Diff line
@@ -1642,7 +1642,7 @@ static inline unsigned long __cpu_util(int cpu, int delta) 
#ifdef CONFIG_SCHED_WALT

	if (!walt_disabled && sysctl_sched_use_walt_cpu_util) {

		util = cpu_rq(cpu)->prev_runnable_sum << SCHED_CAPACITY_SHIFT;

		do_div(util, walt_ravg_window);

		util = div_u64(util, walt_ravg_window);

	}

#endif

	delta += util;