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ANDROID: sched: Add parameter to android_rvh_schedule.

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Checking whether the ui and render threads are preempted
during frame drawing,then adjusting the prority and core
selection if they are preempted,because we expect the
threads to be executed first.By introducing the
sched_mode parameter, we can check the prev thread
preemption status in the hook, and judging important
threads for executing business logic.

Bug: 285166029
Change-Id: I6af31dff4c9032940c7f1c991a25a49ebbeac7a8
Signed-off-by: Dezhi Huang <huangdezhi@hihonor.com>
This commit is contained in:
Dezhi Huang 2023-06-14 15:43:47 +08:00 committed by Carlos Llamas
parent d4dd4d9f19
commit fcc5e942e0
2 changed files with 4 additions and 3 deletions
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5
include/trace/hooks/sched.h
View File

@ -161,8 +161,9 @@ DECLARE_RESTRICTED_HOOK(android_rvh_tick_entry,
TP_ARGS(rq), 1);
DECLARE_RESTRICTED_HOOK(android_rvh_schedule,
TP_PROTO(struct task_struct *prev, struct task_struct *next, struct rq *rq),
TP_ARGS(prev, next, rq), 1);
TP_PROTO(unsigned int sched_mode, struct task_struct *prev,
struct task_struct *next, struct rq *rq),
TP_ARGS(sched_mode, prev, next, rq), 1);
DECLARE_RESTRICTED_HOOK(android_rvh_sched_cpu_starting,
TP_PROTO(int cpu),

2
kernel/sched/core.c
View File

@ -6638,7 +6638,7 @@ static void __sched notrace __schedule(unsigned int sched_mode)
rq->last_seen_need_resched_ns = 0;
#endif
trace_android_rvh_schedule(prev, next, rq);
trace_android_rvh_schedule(sched_mode, prev, next, rq);
if (likely(prev != next)) {
rq->nr_switches++;
/*