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 #if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_ANDROID_VENDOR_HOOKS) 14 struct rw_semaphore; 15 struct rwsem_waiter; 16 DECLARE_HOOK(android_vh_rwsem_init, 17 TP_PROTO(struct rw_semaphore *sem), 18 TP_ARGS(sem)); 19 DECLARE_HOOK(android_vh_rwsem_wake, 20 TP_PROTO(struct rw_semaphore *sem), 21 TP_ARGS(sem)); 22 DECLARE_HOOK(android_vh_rwsem_write_finished, 23 TP_PROTO(struct rw_semaphore *sem), 24 TP_ARGS(sem)); 25 DECLARE_HOOK(android_vh_alter_rwsem_list_add, 26 TP_PROTO(struct rwsem_waiter *waiter, 27 struct rw_semaphore *sem, 28 bool *already_on_list), 29 TP_ARGS(waiter, sem, already_on_list)); 30 #else 31 #define trace_android_vh_rwsem_init(sem) 32 #define trace_android_vh_rwsem_wake(sem) 33 #define trace_android_vh_rwsem_write_finished(sem) 34 #define trace_android_vh_alter_rwsem_list_add(waiter, sem, already_on_list) 35 #endif 36 #endif /* _TRACE_HOOK_RWSEM_H */ 37 /* This part must be outside protection */ 38 #include <trace/define_trace.h> 39