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Commit 66da798d authored by Frankie Chang's avatar Frankie Chang
Browse files

ANDROID: sched: move vendor hook to check scheduling nice value 



move hook to collect scheduling information and apply vendor's
tuning before task's scheduling priority is changed

Bug: 163431711

Signed-off-by: default avatarFrankie Chang <frankie.chang@mediatek.com>
Change-Id: I61a7ab663316c0fbcb28d1b6e523649a6374b492
(cherry picked from commit 5cf5bc7523bd5608590de487de896c1026161a18)
parent 32ff5fbc

include/trace/hooks/sched.h

+2 −2
Original line number Diff line number Diff line
@@ -58,8 +58,8 @@ DECLARE_RESTRICTED_HOOK(android_rvh_rtmutex_prepare_setprio, 
	TP_ARGS(p, pi_task), 1);



DECLARE_RESTRICTED_HOOK(android_rvh_set_user_nice,

	TP_PROTO(struct task_struct *p, long *nice),

	TP_ARGS(p, nice), 1);

	TP_PROTO(struct task_struct *p, long *nice, bool *allowed),

	TP_ARGS(p, nice, allowed), 1);



DECLARE_RESTRICTED_HOOK(android_rvh_setscheduler,

	TP_PROTO(struct task_struct *p),

kernel/sched/core.c

+3 −3
Original line number Diff line number Diff line
@@ -4605,12 +4605,13 @@ static inline int rt_effective_prio(struct task_struct *p, int prio) 


void set_user_nice(struct task_struct *p, long nice)

{

	bool queued, running;

	bool queued, running, allowed = false;

	int old_prio, delta;

	struct rq_flags rf;

	struct rq *rq;



	if (task_nice(p) == nice || nice < MIN_NICE || nice > MAX_NICE)

	trace_android_rvh_set_user_nice(p, &nice, &allowed);

	if ((task_nice(p) == nice || nice < MIN_NICE || nice > MAX_NICE) && !allowed)

		return;

	/*

	 * We have to be careful, if called from sys_setpriority(),
@@ -4618,7 +4619,6 @@ void set_user_nice(struct task_struct *p, long nice) 
	 */

	rq = task_rq_lock(p, &rf);

	update_rq_clock(rq);

	trace_android_rvh_set_user_nice(p, &nice);



	/*

	 * The RT priorities are set via sched_setscheduler(), but we still