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ANDROID: vendor_hooks: Add hooks for binder proc transaction

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When servicemanager process added service proxy from other process
register the service, we want to know the matching relation between
handle in the process and service name. When binder transaction
happened, We want to know what process calls what method on what service.

Bug: 186604985

Signed-off-by: zhengding chen <chenzhengding@oppo.com>
Change-Id: I813d1cde10294d8665f899f7fef0d444ec1f1f5e
This commit is contained in:
zhengding chen
2021-04-28 19:24:57 +08:00
committed by Todd Kjos
parent 577f73412f
commit 35014985c2
3 changed files with 19 additions and 0 deletions
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11
include/trace/hooks/binder.h
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@@ -54,6 +54,17 @@ DECLARE_HOOK(android_vh_binder_trans,
DECLARE_HOOK(android_vh_binder_preset,
TP_PROTO(struct hlist_head *hhead, struct mutex *lock),
TP_ARGS(hhead, lock));
DECLARE_HOOK(android_vh_binder_proc_transaction,
TP_PROTO(struct task_struct *caller_task, struct task_struct *binder_proc_task,
struct task_struct *binder_th_task, int node_debug_id,
unsigned int code, bool pending_async),
TP_ARGS(caller_task, binder_proc_task, binder_th_task, node_debug_id, code, pending_async));
DECLARE_HOOK(android_vh_binder_new_ref,
TP_PROTO(struct task_struct *proc, uint32_t ref_desc, int node_debug_id),
TP_ARGS(proc, ref_desc, node_debug_id));
DECLARE_HOOK(android_vh_binder_del_ref,
TP_PROTO(struct task_struct *proc, uint32_t ref_desc),
TP_ARGS(proc, ref_desc));
/* macro versions of hooks are no longer required */