1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM rwsem 4 #define TRACE_INCLUDE_PATH trace/hooks 5 #if !defined(_TRACE_HOOK_RWSEM_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_HOOK_RWSEM_H 7 #include <linux/tracepoint.h> 8 #include <trace/hooks/vendor_hooks.h> 9 /* 10 * Following tracepoints are not exported in tracefs and provide a 11 * mechanism for vendor modules to hook and extend functionality 12 */ 13 struct rw_semaphore; 14 struct rwsem_waiter; 15 DECLARE_HOOK(android_vh_rwsem_init, 16 TP_PROTO(struct rw_semaphore *sem), 17 TP_ARGS(sem)); 18 DECLARE_HOOK(android_vh_rwsem_wake, 19 TP_PROTO(struct rw_semaphore *sem), 20 TP_ARGS(sem)); 21 DECLARE_HOOK(android_vh_rwsem_write_finished, 22 TP_PROTO(struct rw_semaphore *sem), 23 TP_ARGS(sem)); 24 DECLARE_HOOK(android_vh_alter_rwsem_list_add, 25 TP_PROTO(struct rwsem_waiter *waiter, 26 struct rw_semaphore *sem, 27 bool *already_on_list), 28 TP_ARGS(waiter, sem, already_on_list)); 29 DECLARE_HOOK(android_vh_rwsem_wake_finish, 30 TP_PROTO(struct rw_semaphore *sem), 31 TP_ARGS(sem)); 32 33 /* macro versions of hooks are no longer required */ 34 35 #endif /* _TRACE_HOOK_RWSEM_H */ 36 /* This part must be outside protection */ 37 #include <trace/define_trace.h> 38