2f55d5cbe2
Current might be preempt after spin_unlock(&lock->wait_lock), we want to add a hook after wake_up_q(&wake_q) in which to disable owner's privilege in scheduler. Bug: 231647361 Change-Id: I3016da2fd31b8bdc8435df4e800f91381a64af4f Signed-off-by: Liujie Xie <xieliujie@oppo.com>
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM dtask
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#define TRACE_INCLUDE_PATH trace/hooks
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#if !defined(_TRACE_HOOK_DTASK_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_HOOK_DTASK_H
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#include <linux/tracepoint.h>
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#include <trace/hooks/vendor_hooks.h>
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/*
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* Following tracepoints are not exported in tracefs and provide a
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* mechanism for vendor modules to hook and extend functionality
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*/
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struct mutex;
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DECLARE_HOOK(android_vh_mutex_wait_start,
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TP_PROTO(struct mutex *lock),
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TP_ARGS(lock));
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DECLARE_HOOK(android_vh_mutex_wait_finish,
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TP_PROTO(struct mutex *lock),
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TP_ARGS(lock));
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struct rt_mutex;
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DECLARE_HOOK(android_vh_rtmutex_wait_start,
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TP_PROTO(struct rt_mutex *lock),
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TP_ARGS(lock));
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DECLARE_HOOK(android_vh_rtmutex_wait_finish,
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TP_PROTO(struct rt_mutex *lock),
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TP_ARGS(lock));
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struct rw_semaphore;
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DECLARE_HOOK(android_vh_rwsem_read_wait_start,
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TP_PROTO(struct rw_semaphore *sem),
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TP_ARGS(sem));
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DECLARE_HOOK(android_vh_rwsem_read_wait_finish,
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TP_PROTO(struct rw_semaphore *sem),
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TP_ARGS(sem));
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DECLARE_HOOK(android_vh_rwsem_write_wait_start,
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TP_PROTO(struct rw_semaphore *sem),
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TP_ARGS(sem));
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DECLARE_HOOK(android_vh_rwsem_write_wait_finish,
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TP_PROTO(struct rw_semaphore *sem),
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TP_ARGS(sem));
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struct task_struct;
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DECLARE_HOOK(android_vh_sched_show_task,
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TP_PROTO(struct task_struct *task),
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TP_ARGS(task));
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DECLARE_HOOK(android_vh_alter_mutex_list_add,
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TP_PROTO(struct mutex *lock,
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struct mutex_waiter *waiter,
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struct list_head *list,
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bool *already_on_list),
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TP_ARGS(lock, waiter, list, already_on_list));
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DECLARE_HOOK(android_vh_mutex_unlock_slowpath,
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TP_PROTO(struct mutex *lock),
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TP_ARGS(lock));
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DECLARE_HOOK(android_vh_mutex_unlock_slowpath_end,
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TP_PROTO(struct mutex *lock, struct task_struct *next),
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TP_ARGS(lock, next));
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/* macro versions of hooks are no longer required */
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#endif /* _TRACE_HOOK_DTASK_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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