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ANDROID: sched: Add vendor hook for rt util update

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Vendor may have need to track rt util.

Bug: 201261299
Signed-off-by: Rick Yiu <rickyiu@google.com>
Change-Id: I2f4e5142c6bc8574ee3558042e1fb0dae13b702d
This commit is contained in:
Rick Yiu
2022-03-22 22:22:09 +08:00
parent e8762ad424
commit b8545ebadd
3 changed files with 8 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
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@@ -366,3 +366,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_detach_entity_load_avg);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_load_avg); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_load_avg);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_remove_entity_load_avg); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_remove_entity_load_avg);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_blocked_fair); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_blocked_fair);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_rt_rq_load_avg);

4
include/trace/hooks/sched.h
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@@ -437,6 +437,10 @@ DECLARE_RESTRICTED_HOOK(android_rvh_update_blocked_fair,
TP_PROTO(struct rq *rq), TP_PROTO(struct rq *rq),
TP_ARGS(rq), 1); TP_ARGS(rq), 1);
DECLARE_RESTRICTED_HOOK(android_rvh_update_rt_rq_load_avg,
TP_PROTO(u64 now, struct rq *rq, struct task_struct *tsk, int running),
TP_ARGS(now, rq, tsk, running), 1);
/* macro versions of hooks are no longer required */ /* macro versions of hooks are no longer required */
#endif /* _TRACE_HOOK_SCHED_H */ #endif /* _TRACE_HOOK_SCHED_H */

3
kernel/sched/rt.c
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@@ -1694,6 +1694,7 @@ static inline void set_next_task_rt(struct rq *rq, struct task_struct *p, bool f
*/ */
if (rq->curr->sched_class != &rt_sched_class) if (rq->curr->sched_class != &rt_sched_class)
update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 0); update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 0);
trace_android_rvh_update_rt_rq_load_avg(rq_clock_pelt(rq), rq, p, 0);
rt_queue_push_tasks(rq); rt_queue_push_tasks(rq);
} }
@@ -1756,6 +1757,7 @@ static void put_prev_task_rt(struct rq *rq, struct task_struct *p)
update_curr_rt(rq); update_curr_rt(rq);
update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 1); update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 1);
trace_android_rvh_update_rt_rq_load_avg(rq_clock_pelt(rq), rq, p, 1);
/* /*
* The previous task needs to be made eligible for pushing * The previous task needs to be made eligible for pushing
@@ -2572,6 +2574,7 @@ static void task_tick_rt(struct rq *rq, struct task_struct *p, int queued)
update_curr_rt(rq); update_curr_rt(rq);
update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 1); update_rt_rq_load_avg(rq_clock_pelt(rq), rq, 1);
trace_android_rvh_update_rt_rq_load_avg(rq_clock_pelt(rq), rq, p, 1);
watchdog(rq, p); watchdog(rq, p);