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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
This commit is contained in:
xieliujie
2021-04-27 14:45:49 +08:00
committed by Todd Kjos
parent cf881c74d3
commit 2337b9185a
3 changed files with 9 additions and 0 deletions
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5
drivers/android/binder.c
View File

@@ -729,6 +729,7 @@ static void binder_transaction_priority(struct task_struct *task,
bool inherit_rt)
{
struct binder_priority desired_prio = t->priority;
bool skip = false;
if (t->set_priority_called)
return;
@@ -737,6 +738,10 @@ static void binder_transaction_priority(struct task_struct *task,
t->saved_priority.sched_policy = task->policy;
t->saved_priority.prio = task->normal_prio;
trace_android_vh_binder_transaction_priority_skip(task, &skip);
if (skip)
return;
if (!inherit_rt && is_rt_policy(desired_prio.sched_policy)) {
desired_prio.prio = NICE_TO_PRIO(0);
desired_prio.sched_policy = SCHED_NORMAL;

1
drivers/android/vendor_hooks.c
View File

@@ -75,6 +75,7 @@ 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_transaction_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

@@ -20,6 +20,9 @@ struct binder_transaction_data;
DECLARE_HOOK(android_vh_binder_transaction_init,
TP_PROTO(struct binder_transaction *t),
TP_ARGS(t));
DECLARE_HOOK(android_vh_binder_transaction_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));