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sched/fair: consider uclamp boost while deciding the start_cpu

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The find_best_target() looks for the higher capacity CPU when
the task is boosted. However the current code does not consider
the boost while deciding the start_cpu. This may result in
unnecessary traversal of the lower capacity CPU group in
find_best_target().

Change-Id: I8153482e15d2c9ea8971415edb9dbd54e10e11d0
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
This commit is contained in:
Pavankumar Kondeti 2020-01-20 16:49:26 +05:30
commit 02ee287af9
1 changed files with 3 additions and 2 deletions
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5
kernel/sched/fair.c
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@ -6388,8 +6388,9 @@ static int get_start_cpu(struct task_struct *p)
struct root_domain *rd = cpu_rq(smp_processor_id())->rd;
int start_cpu = rd->min_cap_orig_cpu;
int task_boost = per_task_boost(p);
bool boosted = task_boost_policy(p) == SCHED_BOOST_ON_BIG ||
task_boost == TASK_BOOST_ON_MID;
bool boosted = uclamp_boosted(p) ||
task_boost_policy(p) == SCHED_BOOST_ON_BIG ||
task_boost == TASK_BOOST_ON_MID;
bool task_skip_min = task_skip_min_cpu(p);
/*