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ANDROID: sched: Add vendor hook for util_fits_cpu

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vendor may have the need to implement their own util_fits_cpu
function

Bug: 344826816
Bug: 261704404
Change-Id: I0318f6cadd5c45a37f1acafdded479b25e520e6b
Signed-off-by: Chungkai Mei <chungkai@google.com>
(cherry picked from commit ec3c9a1702)
Signed-off-by: Qais Yousef <qyousef@google.com>
This commit is contained in:
Chungkai Mei 2023-11-14 09:45:28 +00:00 committed by John Stultz
parent 9f6cb7cdd8
commit cfb8030501
3 changed files with 12 additions and 1 deletions
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5
include/trace/hooks/sched.h
View File

@ -193,6 +193,11 @@ DECLARE_RESTRICTED_HOOK(android_rvh_update_misfit_status,
TP_PROTO(struct task_struct *p, struct rq *rq, bool *need_update), TP_PROTO(struct task_struct *p, struct rq *rq, bool *need_update),
TP_ARGS(p, rq, need_update), 1); TP_ARGS(p, rq, need_update), 1);
DECLARE_RESTRICTED_HOOK(android_rvh_util_fits_cpu,
TP_PROTO(unsigned long util, unsigned long uclamp_min, unsigned long uclamp_max,
int cpu, bool *fits, bool *done),
TP_ARGS(util, uclamp_min, uclamp_max, cpu, fits, done), 1);
DECLARE_RESTRICTED_HOOK(android_rvh_sched_fork_init, DECLARE_RESTRICTED_HOOK(android_rvh_sched_fork_init,
TP_PROTO(struct task_struct *p), TP_PROTO(struct task_struct *p),
TP_ARGS(p), 1); TP_ARGS(p), 1);

7
kernel/sched/fair.c
View File

@ -4887,7 +4887,12 @@ static inline int util_fits_cpu(unsigned long util,
{ {
unsigned long capacity_orig, capacity_orig_thermal; unsigned long capacity_orig, capacity_orig_thermal;
unsigned long capacity = capacity_of(cpu); unsigned long capacity = capacity_of(cpu);
bool fits, uclamp_max_fits; bool fits, uclamp_max_fits, done = false;
trace_android_rvh_util_fits_cpu(util, uclamp_min, uclamp_max, cpu, &fits, &done);
if (done)
return fits;
/* /*
* Check if the real util fits without any uclamp boost/cap applied. * Check if the real util fits without any uclamp boost/cap applied.

1
kernel/sched/vendor_hooks.c
View File

@ -70,6 +70,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_cpu_dying);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_account_irq); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_account_irq);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_place_entity); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_place_entity);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_build_perf_domains); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_build_perf_domains);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_util_fits_cpu);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_cpu_capacity); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_cpu_capacity);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_misfit_status); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_misfit_status);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_rto_next_cpu); EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_rto_next_cpu);