Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b2cc9bc5 authored by Stephen Dickey's avatar Stephen Dickey Committed by Stephen Dickey
Browse files

sched: Improve the scheduler 



This change is for general scheduler improvements.

Change-Id: I6dc8fd228ca34fd36cdbaf58c42812bae3dcff7d
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: default avatarStephen Dickey <dickey@codeaurora.org>
parent e2ac8116

include/linux/sched.h

+2 −2
Original line number Diff line number Diff line
@@ -550,7 +550,7 @@ static inline int hh_vcpu_populate_affinity_info(u32 cpu_index, u64 cap_id) 
#endif /* CONFIG_QCOM_HYP_CORE_CTL */



#ifdef CONFIG_SCHED_WALT

extern void sched_exit(struct task_struct *p);

extern void walt_task_dead(struct task_struct *p);

extern int

register_cpu_cycle_counter_cb(struct cpu_cycle_counter_cb *cb);

extern void
@@ -626,7 +626,7 @@ struct walt_task_struct { 
};



#else

static inline void sched_exit(struct task_struct *p) { }

static inline void walt_task_dead(struct task_struct *p) { }



static inline int

register_cpu_cycle_counter_cb(struct cpu_cycle_counter_cb *cb)

kernel/exit.c

+0 −1
Original line number Diff line number Diff line
@@ -748,7 +748,6 @@ void __noreturn do_exit(long code) 
	}



	exit_signals(tsk);  /* sets PF_EXITING */

	sched_exit(tsk);



	if (unlikely(in_atomic())) {

		pr_info("note: %s[%d] exited with preempt_count %d\n",

kernel/sched/core.c

+1 −0
Original line number Diff line number Diff line
@@ -3348,6 +3348,7 @@ static struct rq *finish_task_switch(struct task_struct *prev) 
		 */

		kprobe_flush_task(prev);



		walt_task_dead(prev);

		/* Task is done with its stack. */

		put_task_stack(prev);

kernel/sched/walt.c

+2 −2
Original line number Diff line number Diff line
@@ -61,8 +61,6 @@ int __weak sched_unisolate_cpu(int cpu) { return 0; } 


int __weak sched_unisolate_cpu_unlocked(int cpu) { return 0; }



void __weak sched_exit(struct task_struct *p) { }



int __weak register_cpu_cycle_counter_cb(struct cpu_cycle_counter_cb *cb)

{

	return 0;
@@ -212,6 +210,8 @@ void __weak walt_sched_init_rq(struct rq *rq) { } 


void __weak walt_update_cluster_topology(void) { }



void __weak walt_task_dead(struct task_struct *p) { }



#if defined(CONFIG_UCLAMP_TASK_GROUP)

void __weak walt_init_sched_boost(struct task_group *tg) { }

#endif

kernel/sched/walt.h

+0 −5
Original line number Diff line number Diff line
@@ -126,11 +126,6 @@ static inline int sched_cpu_high_irqload(int cpu) 
	return cpu_rq(cpu)->wrq.high_irqload;

}



static inline int exiting_task(struct task_struct *p)

{

	return (p->wts.sum_history[0] == EXITING_TASK_MARKER);

}



static inline u64

scale_load_to_freq(u64 load, unsigned int src_freq, unsigned int dst_freq)

{