1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM dtask 4 #define TRACE_INCLUDE_PATH trace/hooks 5 6 #if !defined(_TRACE_HOOK_DTASK_H) || defined(TRACE_HEADER_MULTI_READ) 7 #define _TRACE_HOOK_DTASK_H 8 #include <linux/tracepoint.h> 9 #include <trace/hooks/vendor_hooks.h> 10 /* 11 * Following tracepoints are not exported in tracefs and provide a 12 * mechanism for vendor modules to hook and extend functionality 13 */ 14 #ifdef __GENKSYMS__ 15 struct mutex; 16 struct rt_mutex; 17 struct rw_semaphore; 18 struct task_struct; 19 #else 20 /* struct mutex */ 21 #include <linux/mutex.h> 22 /* struct rt_mutex */ 23 #include <linux/rtmutex.h> 24 /* struct rw_semaphore */ 25 #include <linux/rwsem.h> 26 /* struct task_struct */ 27 #include <linux/sched.h> 28 #endif /* __GENKSYMS__ */ 29 DECLARE_HOOK(android_vh_mutex_wait_start, 30 TP_PROTO(struct mutex *lock), 31 TP_ARGS(lock)); 32 DECLARE_HOOK(android_vh_mutex_wait_finish, 33 TP_PROTO(struct mutex *lock), 34 TP_ARGS(lock)); 35 36 DECLARE_HOOK(android_vh_rtmutex_wait_start, 37 TP_PROTO(struct rt_mutex *lock), 38 TP_ARGS(lock)); 39 DECLARE_HOOK(android_vh_rtmutex_wait_finish, 40 TP_PROTO(struct rt_mutex *lock), 41 TP_ARGS(lock)); 42 43 DECLARE_HOOK(android_vh_rwsem_read_wait_start, 44 TP_PROTO(struct rw_semaphore *sem), 45 TP_ARGS(sem)); 46 DECLARE_HOOK(android_vh_rwsem_read_wait_finish, 47 TP_PROTO(struct rw_semaphore *sem), 48 TP_ARGS(sem)); 49 DECLARE_HOOK(android_vh_rwsem_write_wait_start, 50 TP_PROTO(struct rw_semaphore *sem), 51 TP_ARGS(sem)); 52 DECLARE_HOOK(android_vh_rwsem_write_wait_finish, 53 TP_PROTO(struct rw_semaphore *sem), 54 TP_ARGS(sem)); 55 56 DECLARE_HOOK(android_vh_sched_show_task, 57 TP_PROTO(struct task_struct *task), 58 TP_ARGS(task)); 59 DECLARE_HOOK(android_vh_alter_mutex_list_add, 60 TP_PROTO(struct mutex *lock, 61 struct mutex_waiter *waiter, 62 struct list_head *list, 63 bool *already_on_list), 64 TP_ARGS(lock, waiter, list, already_on_list)); 65 DECLARE_HOOK(android_vh_mutex_unlock_slowpath, 66 TP_PROTO(struct mutex *lock), 67 TP_ARGS(lock)); 68 DECLARE_HOOK(android_vh_mutex_unlock_slowpath_end, 69 TP_PROTO(struct mutex *lock, struct task_struct *next), 70 TP_ARGS(lock, next)); 71 DECLARE_HOOK(android_vh_record_mutex_lock_starttime, 72 TP_PROTO(struct task_struct *tsk, unsigned long settime_jiffies), 73 TP_ARGS(tsk, settime_jiffies)); 74 DECLARE_HOOK(android_vh_record_rtmutex_lock_starttime, 75 TP_PROTO(struct task_struct *tsk, unsigned long settime_jiffies), 76 TP_ARGS(tsk, settime_jiffies)); 77 DECLARE_HOOK(android_vh_record_rwsem_lock_starttime, 78 TP_PROTO(struct task_struct *tsk, unsigned long settime_jiffies), 79 TP_ARGS(tsk, settime_jiffies)); 80 DECLARE_HOOK(android_vh_record_pcpu_rwsem_starttime, 81 TP_PROTO(struct task_struct *tsk, unsigned long settime_jiffies), 82 TP_ARGS(tsk, settime_jiffies)); 83 84 /* macro versions of hooks are no longer required */ 85 86 #endif /* _TRACE_HOOK_DTASK_H */ 87 /* This part must be outside protection */ 88 #include <trace/define_trace.h> 89