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sched/walt: move predictive freq to wakeup enqueue

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This will update the freq as soon the rqlock is dropped and also avoids
us from acquiring a rq lock as enqueue is called with rq lock held.

Change-Id: I24b91309b753f61a38d1eb8e26af451544fa3f52
Signed-off-by: Abhijeet Dharmapurikar <quic_adharmap@quicinc.com>
This commit is contained in:
Abhijeet Dharmapurikar 2022-08-10 14:04:10 -07:00 committed by Sai Harshini Nimmala
parent 90ec01ea12
commit f1b09a77f5
1 changed files with 4 additions and 15 deletions
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19
kernel/sched/walt/walt.c
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@ -4193,6 +4193,10 @@ static void android_rvh_enqueue_task(void *unused, struct rq *rq, struct task_st
if (!double_enqueue)
walt_inc_cumulative_runnable_avg(rq, p);
if ((flags & ENQUEUE_WAKEUP) && do_pl_notif(rq))
waltgov_run_callback(rq, WALT_CPUFREQ_PL);
trace_sched_enq_deq_task(p, 1, cpumask_bits(p->cpus_ptr)[0], is_mvp(wts));
}
@ -4310,20 +4314,6 @@ static void android_rvh_try_to_wake_up(void *unused, struct task_struct *p)
rcu_read_unlock();
}
static void android_rvh_try_to_wake_up_success(void *unused, struct task_struct *p)
{
unsigned long flags;
int cpu = p->cpu;
if (unlikely(walt_disabled))
return;
raw_spin_lock_irqsave(&cpu_rq(cpu)->__lock, flags);
if (do_pl_notif(cpu_rq(cpu)))
waltgov_run_callback(cpu_rq(cpu), WALT_CPUFREQ_PL);
raw_spin_unlock_irqrestore(&cpu_rq(cpu)->__lock, flags);
}
static u64 tick_sched_clock;
static DECLARE_COMPLETION(tick_sched_clock_completion);
@ -4495,7 +4485,6 @@ static void register_walt_hooks(void)
register_trace_android_rvh_after_enqueue_task(android_rvh_enqueue_task, NULL);
register_trace_android_rvh_after_dequeue_task(android_rvh_dequeue_task, NULL);
register_trace_android_rvh_try_to_wake_up(android_rvh_try_to_wake_up, NULL);
register_trace_android_rvh_try_to_wake_up_success(android_rvh_try_to_wake_up_success, NULL);
register_trace_android_rvh_tick_entry(android_rvh_tick_entry, NULL);
register_trace_android_vh_scheduler_tick(android_vh_scheduler_tick, NULL);
register_trace_android_rvh_schedule(android_rvh_schedule, NULL);