Files
android_kernel_xiaomi_sm8450/include/trace/hooks/binder.h
Liangliang Li 2f3f5731de ANDROID: GKI: Add vendor hook to binder transaction
We want to get binder free space information in the binder
transaction, but this needs to hold the mutex lock. So we add
this restrict hook to do this.

Bug: 205648032
Change-Id: Ie1f377018da686bd62f5ac2d1e5421899741e6d5
Signed-off-by: Liangliang Li <liliangliang@vivo.com>
2021-11-17 16:49:10 +00:00

83 lines
3.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM binder
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH trace/hooks
#if !defined(_TRACE_HOOK_BINDER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HOOK_BINDER_H
#include <linux/tracepoint.h>
#include <trace/hooks/vendor_hooks.h>
/*
* Following tracepoints are not exported in tracefs and provide a
* mechanism for vendor modules to hook and extend functionality
*/
struct binder_transaction;
struct task_struct;
struct binder_alloc;
struct binder_proc;
struct binder_thread;
struct binder_transaction_data;
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));
DECLARE_HOOK(android_vh_binder_restore_priority,
TP_PROTO(struct binder_transaction *t, struct task_struct *task),
TP_ARGS(t, task));
struct binder_proc;
struct binder_thread;
DECLARE_HOOK(android_vh_binder_wakeup_ilocked,
TP_PROTO(struct task_struct *task, bool sync, struct binder_proc *proc),
TP_ARGS(task, sync, proc));
DECLARE_HOOK(android_vh_binder_wait_for_work,
TP_PROTO(bool do_proc_work, struct binder_thread *tsk, struct binder_proc *proc),
TP_ARGS(do_proc_work, tsk, proc));
DECLARE_HOOK(android_vh_sync_txn_recvd,
TP_PROTO(struct task_struct *tsk, struct task_struct *from),
TP_ARGS(tsk, from));
DECLARE_HOOK(android_vh_binder_alloc_new_buf_locked,
TP_PROTO(size_t size, struct binder_alloc *alloc, int is_async),
TP_ARGS(size, alloc, is_async));
DECLARE_HOOK(android_vh_binder_reply,
TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
struct binder_thread *thread, struct binder_transaction_data *tr),
TP_ARGS(target_proc, proc, thread, tr));
DECLARE_HOOK(android_vh_binder_trans,
TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
struct binder_thread *thread, struct binder_transaction_data *tr),
TP_ARGS(target_proc, proc, thread, tr));
DECLARE_RESTRICTED_HOOK(android_rvh_binder_transaction,
TP_PROTO(struct binder_proc *target_proc, struct binder_proc *proc,
struct binder_thread *thread, struct binder_transaction_data *tr),
TP_ARGS(target_proc, proc, thread, tr), 1);
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));
DECLARE_HOOK(android_vh_binder_print_transaction_info,
TP_PROTO(struct seq_file *m, struct binder_proc *proc,
const char *prefix, struct binder_transaction *t),
TP_ARGS(m, proc, prefix, t));
/* macro versions of hooks are no longer required */
#endif /* _TRACE_HOOK_BINDER_H */
/* This part must be outside protection */
#include <trace/define_trace.h>