1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #undef TRACE_SYSTEM 3*4882a593Smuzhiyun #define TRACE_SYSTEM futex 4*4882a593Smuzhiyun #undef TRACE_INCLUDE_PATH 5*4882a593Smuzhiyun #define TRACE_INCLUDE_PATH trace/hooks 6*4882a593Smuzhiyun #if !defined(_TRACE_HOOK_FUTEX_H) || defined(TRACE_HEADER_MULTI_READ) 7*4882a593Smuzhiyun #define _TRACE_HOOK_FUTEX_H 8*4882a593Smuzhiyun #include <linux/tracepoint.h> 9*4882a593Smuzhiyun #include <trace/hooks/vendor_hooks.h> 10*4882a593Smuzhiyun #include <linux/plist.h> 11*4882a593Smuzhiyun #ifndef __GENKSYMS__ 12*4882a593Smuzhiyun #include <linux/futex.h> 13*4882a593Smuzhiyun #endif 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun /* 16*4882a593Smuzhiyun * Following tracepoints are not exported in tracefs and provide a 17*4882a593Smuzhiyun * mechanism for vendor modules to hook and extend functionality 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun DECLARE_HOOK(android_vh_alter_futex_plist_add, 20*4882a593Smuzhiyun TP_PROTO(struct plist_node *node, 21*4882a593Smuzhiyun struct plist_head *head, 22*4882a593Smuzhiyun bool *already_on_hb), 23*4882a593Smuzhiyun TP_ARGS(node, head, already_on_hb)); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun DECLARE_HOOK(android_vh_futex_sleep_start, 26*4882a593Smuzhiyun TP_PROTO(struct task_struct *p), 27*4882a593Smuzhiyun TP_ARGS(p)); 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun DECLARE_HOOK(android_vh_do_futex, 30*4882a593Smuzhiyun TP_PROTO(int cmd, 31*4882a593Smuzhiyun unsigned int *flags, 32*4882a593Smuzhiyun u32 __user *uaddr2), 33*4882a593Smuzhiyun TP_ARGS(cmd, flags, uaddr2)); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun DECLARE_HOOK(android_vh_futex_wait_start, 36*4882a593Smuzhiyun TP_PROTO(unsigned int flags, 37*4882a593Smuzhiyun u32 bitset), 38*4882a593Smuzhiyun TP_ARGS(flags, bitset)); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun DECLARE_HOOK(android_vh_futex_wait_end, 41*4882a593Smuzhiyun TP_PROTO(unsigned int flags, 42*4882a593Smuzhiyun u32 bitset), 43*4882a593Smuzhiyun TP_ARGS(flags, bitset)); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun DECLARE_HOOK(android_vh_futex_wake_traverse_plist, 46*4882a593Smuzhiyun TP_PROTO(struct plist_head *chain, int *target_nr, 47*4882a593Smuzhiyun union futex_key key, u32 bitset), 48*4882a593Smuzhiyun TP_ARGS(chain, target_nr, key, bitset)); 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun DECLARE_HOOK(android_vh_futex_wake_this, 51*4882a593Smuzhiyun TP_PROTO(int ret, int nr_wake, int target_nr, 52*4882a593Smuzhiyun struct task_struct *p), 53*4882a593Smuzhiyun TP_ARGS(ret, nr_wake, target_nr, p)); 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun DECLARE_HOOK(android_vh_futex_wake_up_q_finish, 56*4882a593Smuzhiyun TP_PROTO(int nr_wake, int target_nr), 57*4882a593Smuzhiyun TP_ARGS(nr_wake, target_nr)); 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun /* macro versions of hooks are no longer required */ 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun #endif /* _TRACE_HOOK_FUTEX_H */ 62*4882a593Smuzhiyun /* This part must be outside protection */ 63*4882a593Smuzhiyun #include <trace/define_trace.h> 64