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sched/walt: Adjust code as per new dequeue_task() hook invocation

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dequeue_task() hook invocation is being changed from post dequeue to
pre dequeue. Consider the task being dequeued is out of the scheduling
class managed list.

Change-Id: Ib95ec7f8a873587493487a3c31c3f53ea78b0d95
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
This commit is contained in:
Pavankumar Kondeti 2021-03-25 09:49:45 +05:30 committed by Rishabh Bhatnagar
parent a1ccf98f6f
commit c12499d938
1 changed files with 6 additions and 3 deletions
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9
kernel/sched/walt/walt.c
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@ -419,7 +419,7 @@ static inline bool is_ed_task(struct task_struct *p, u64 wallclock)
return (wallclock - wts->last_wake_ts >= EARLY_DETECTION_DURATION);
}
static bool is_ed_task_present(struct rq *rq, u64 wallclock)
static bool is_ed_task_present(struct rq *rq, u64 wallclock, struct task_struct *deq_task)
{
struct task_struct *p;
int loop_max = 10;
@ -434,6 +434,9 @@ static bool is_ed_task_present(struct rq *rq, u64 wallclock)
if (!loop_max)
break;
if (p == deq_task)
continue;
if (is_ed_task(p, wallclock)) {
wrq->ed_task = p;
return true;
@ -3758,7 +3761,7 @@ static void android_rvh_dequeue_task(void *unused, struct rq *rq, struct task_st
if (unlikely(walt_disabled))
return;
if (p == wrq->ed_task)
is_ed_task_present(rq, sched_ktime_clock());
is_ed_task_present(rq, sched_ktime_clock(), p);
sched_update_nr_prod(rq->cpu, false);
@ -3866,7 +3869,7 @@ static void android_rvh_tick_entry(void *unused, struct rq *rq)
set_preferred_cluster(grp);
rcu_read_unlock();
if (is_ed_task_present(rq, wallclock))
if (is_ed_task_present(rq, wallclock, NULL))
waltgov_run_callback(rq, WALT_CPUFREQ_EARLY_DET);
}