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ANDROID: sched/walt: use div_u64 instead of do_div

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Change-Id: I1ff13f1e409051167e2ff5bd18a1299c78a46306
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
This commit is contained in:
Dmitry Shmidt
2017-02-08 16:37:17 -08:00
parent ac82d16f33
commit d8a4d0354d
2 changed files with 3 additions and 2 deletions
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3
include/trace/events/sched.h
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@@ -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));

2
kernel/sched/sched.h
View File

@@ -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;