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ANDROID: sched: Add vendor hook for util_est_update

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Vendor may have its own estimated utilization.

Bug: 170508405
Signed-off-by: Rick Yiu <rickyiu@google.com>
Change-Id: I6055907de75ace4586c3ad854d40f42e3bf40147
Signed-off-by: Will McVicker <willmcvicker@google.com>
This commit is contained in:
Rick Yiu authored and Will McVicker committed 2022-02-18 10:23:15 -08:00
1 parent fcded6eef8
commit e1061a9371
3 files changed
+10
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drivers/android/vendor_hooks.c
+1
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@@ -201,3 +201,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_find_new_ilb);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_wake_up_sync);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_set_wake_flags);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_uclamp_eff_get);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_util_est_update);
include/trace/hooks/sched.h
+4
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@@ -337,6 +337,10 @@ DECLARE_HOOK(android_vh_set_wake_flags,
TP_PROTO(int *wake_flags, unsigned int *mode),
TP_ARGS(wake_flags, mode));
DECLARE_RESTRICTED_HOOK(android_rvh_util_est_update,
TP_PROTO(struct cfs_rq *cfs_rq, struct task_struct *p, bool task_sleep, int *ret),
TP_ARGS(cfs_rq, p, task_sleep, ret), 1);
/* macro versions of hooks are no longer required */
#endif /* _TRACE_HOOK_SCHED_H */
kernel/sched/fair.c
+5
View File
@@ -4030,6 +4030,11 @@ static inline void util_est_update(struct cfs_rq *cfs_rq,
{
long last_ewma_diff, last_enqueued_diff;
struct util_est ue;
int ret = 0;
trace_android_rvh_util_est_update(cfs_rq, p, task_sleep, &ret);
if (ret)
return;
if (!sched_feat(UTIL_EST))
return;