1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM futex 4 #undef TRACE_INCLUDE_PATH 5 #define TRACE_INCLUDE_PATH trace/hooks 6 #if !defined(_TRACE_HOOK_FUTEX_H) || defined(TRACE_HEADER_MULTI_READ) 7 #define _TRACE_HOOK_FUTEX_H 8 #include <trace/hooks/vendor_hooks.h> 9 10 #ifndef __GENKSYMS__ 11 #include <linux/plist.h> 12 #include <linux/futex.h> 13 #endif 14 15 struct plist_node; 16 struct plist_head; 17 struct task_struct; 18 union futex_key; 19 20 /* 21 * Following tracepoints are not exported in tracefs and provide a 22 * mechanism for vendor modules to hook and extend functionality 23 */ 24 DECLARE_HOOK(android_vh_alter_futex_plist_add, 25 TP_PROTO(struct plist_node *node, 26 struct plist_head *head, 27 bool *already_on_hb), 28 TP_ARGS(node, head, already_on_hb)); 29 30 DECLARE_HOOK(android_vh_futex_sleep_start, 31 TP_PROTO(struct task_struct *p), 32 TP_ARGS(p)); 33 34 DECLARE_HOOK(android_vh_do_futex, 35 TP_PROTO(int cmd, 36 unsigned int *flags, 37 u32 __user *uaddr2), 38 TP_ARGS(cmd, flags, uaddr2)); 39 40 DECLARE_HOOK(android_vh_futex_wait_start, 41 TP_PROTO(unsigned int flags, 42 u32 bitset), 43 TP_ARGS(flags, bitset)); 44 45 DECLARE_HOOK(android_vh_futex_wait_end, 46 TP_PROTO(unsigned int flags, 47 u32 bitset), 48 TP_ARGS(flags, bitset)); 49 50 DECLARE_HOOK(android_vh_futex_wake_traverse_plist, 51 TP_PROTO(struct plist_head *chain, int *target_nr, 52 union futex_key key, u32 bitset), 53 TP_ARGS(chain, target_nr, key, bitset)); 54 55 DECLARE_HOOK(android_vh_futex_wake_this, 56 TP_PROTO(int ret, int nr_wake, int target_nr, 57 struct task_struct *p), 58 TP_ARGS(ret, nr_wake, target_nr, p)); 59 60 DECLARE_HOOK(android_vh_futex_wake_up_q_finish, 61 TP_PROTO(int nr_wake, int target_nr), 62 TP_ARGS(nr_wake, target_nr)); 63 64 #endif /* _TRACE_HOOK_FUTEX_H */ 65 /* This part must be outside protection */ 66 #include <trace/define_trace.h> 67