8c3ac02bca
Due to the existence of optimistic spin, we need to sense whether the owner of the lock has changed in the loop, so as to do priority inheritance on the owner more accurately, trace_android_vh_mutex_wait_start does not meet our needs. Bug: 231647361 Change-Id: Iab2832fd3c352d8c1229348a5e7befced70ee92e Signed-off-by: Liujie Xie <xieliujie@oppo.com>
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM dtask
|
|
#define TRACE_INCLUDE_PATH trace/hooks
|
|
|
|
#if !defined(_TRACE_HOOK_DTASK_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_HOOK_DTASK_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 mutex;
|
|
DECLARE_HOOK(android_vh_mutex_wait_start,
|
|
TP_PROTO(struct mutex *lock),
|
|
TP_ARGS(lock));
|
|
DECLARE_HOOK(android_vh_mutex_wait_finish,
|
|
TP_PROTO(struct mutex *lock),
|
|
TP_ARGS(lock));
|
|
|
|
struct rt_mutex;
|
|
DECLARE_HOOK(android_vh_rtmutex_wait_start,
|
|
TP_PROTO(struct rt_mutex *lock),
|
|
TP_ARGS(lock));
|
|
DECLARE_HOOK(android_vh_rtmutex_wait_finish,
|
|
TP_PROTO(struct rt_mutex *lock),
|
|
TP_ARGS(lock));
|
|
|
|
struct rw_semaphore;
|
|
DECLARE_HOOK(android_vh_rwsem_read_wait_start,
|
|
TP_PROTO(struct rw_semaphore *sem),
|
|
TP_ARGS(sem));
|
|
DECLARE_HOOK(android_vh_rwsem_read_wait_finish,
|
|
TP_PROTO(struct rw_semaphore *sem),
|
|
TP_ARGS(sem));
|
|
DECLARE_HOOK(android_vh_rwsem_write_wait_start,
|
|
TP_PROTO(struct rw_semaphore *sem),
|
|
TP_ARGS(sem));
|
|
DECLARE_HOOK(android_vh_rwsem_write_wait_finish,
|
|
TP_PROTO(struct rw_semaphore *sem),
|
|
TP_ARGS(sem));
|
|
|
|
struct task_struct;
|
|
DECLARE_HOOK(android_vh_sched_show_task,
|
|
TP_PROTO(struct task_struct *task),
|
|
TP_ARGS(task));
|
|
DECLARE_HOOK(android_vh_alter_mutex_list_add,
|
|
TP_PROTO(struct mutex *lock,
|
|
struct mutex_waiter *waiter,
|
|
struct list_head *list,
|
|
bool *already_on_list),
|
|
TP_ARGS(lock, waiter, list, already_on_list));
|
|
DECLARE_HOOK(android_vh_mutex_unlock_slowpath,
|
|
TP_PROTO(struct mutex *lock),
|
|
TP_ARGS(lock));
|
|
DECLARE_HOOK(android_vh_mutex_unlock_slowpath_end,
|
|
TP_PROTO(struct mutex *lock, struct task_struct *next),
|
|
TP_ARGS(lock, next));
|
|
DECLARE_HOOK(android_vh_mutex_start_check_new_owner,
|
|
TP_PROTO(struct mutex *lock),
|
|
TP_ARGS(lock));
|
|
|
|
/* macro versions of hooks are no longer required */
|
|
|
|
#endif /* _TRACE_HOOK_DTASK_H */
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|