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ANDROID: sched: Add android_rvh_cpu_cgroup_online hook

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Add a restricted vendor hook to notify that a cpu controller
cgroup is online.

Bug: 184920911
Change-Id: I7d37f38c24ce146eabb4716a959aee703d71926e
Signed-off-by: Pavankumar Kondeti <quic_pkondeti@quicinc.com>
This commit is contained in:
Pavankumar Kondeti
2021-04-09 14:45:21 +05:30
committed by Todd Kjos
parent 02732576b1
commit ddeb3cdc3a
3 changed files with 7 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
View File

@@ -140,6 +140,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_cpu_capacity);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_update_misfit_status);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_attach);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_can_attach);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpu_cgroup_online);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_sched_fork_init);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_ttwu_cond);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_schedule_bug);

5
include/trace/hooks/sched.h
View File

@@ -204,6 +204,11 @@ DECLARE_RESTRICTED_HOOK(android_rvh_cpu_cgroup_can_attach,
TP_PROTO(struct cgroup_taskset *tset, int *retval),
TP_ARGS(tset, retval), 1);
struct cgroup_subsys_state;
DECLARE_RESTRICTED_HOOK(android_rvh_cpu_cgroup_online,
TP_PROTO(struct cgroup_subsys_state *css),
TP_ARGS(css), 1);
DECLARE_RESTRICTED_HOOK(android_rvh_sched_fork_init,
TP_PROTO(struct task_struct *p),
TP_ARGS(p), 1);

1
kernel/sched/core.c
View File

@@ -7902,6 +7902,7 @@ static int cpu_cgroup_css_online(struct cgroup_subsys_state *css)
cpu_util_update_eff(css);
#endif
trace_android_rvh_cpu_cgroup_online(css);
return 0;
}