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ANDROID: vendor_hooks: Add hook for binder

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Add hook to support oem's performance feature.

Bug: 186482511

Signed-off-by: xieliujie <xieliujie@oppo.com>
Change-Id: Ib495e80e569cc293eaa98d87a050aee8915eb415
(cherry picked from commit 2337b9185a)
This commit is contained in:
xieliujie
2021-04-27 14:45:49 +08:00
committed by Todd Kjos
parent 38d8fefb73
commit c8a2e13615
3 changed files with 9 additions and 0 deletions
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5
drivers/android/binder.c
View File

@@ -751,12 +751,17 @@ static void binder_transaction_priority(struct binder_thread *thread,
.sched_policy = node->sched_policy,
.prio = node->min_priority,
};
bool skip = false;
if (t->set_priority_called)
return;
t->set_priority_called = true;
trace_android_vh_binder_priority_skip(task, &skip);
if (skip)
return;
if (!node->inherit_rt && is_rt_policy(desired.sched_policy)) {
desired.prio = NICE_TO_PRIO(0);
desired.sched_policy = SCHED_NORMAL;

1
drivers/android/vendor_hooks.c
View File

@@ -88,6 +88,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_setscheduler);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_arch_set_freq_scale);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_is_fpsimd_save);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_transaction_init);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_priority_skip);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_set_priority);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_restore_priority);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_wakeup_ilocked);

3
include/trace/hooks/binder.h
View File

@@ -16,6 +16,9 @@ struct seq_file;
DECLARE_HOOK(android_vh_binder_transaction_init,
TP_PROTO(struct binder_transaction *t),
TP_ARGS(t));
DECLARE_HOOK(android_vh_binder_priority_skip,
TP_PROTO(struct task_struct *task, bool *skip),
TP_ARGS(task, skip));
DECLARE_HOOK(android_vh_binder_set_priority,
TP_PROTO(struct binder_transaction *t, struct task_struct *task),
TP_ARGS(t, task));