| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 | |
| 30 | /* macro versions of hooks are no longer required */ |
| 31 | |
| 32 | #endif /* _TRACE_HOOK_RWSEM_H */ |
| 33 | /* This part must be outside protection */ |
| 34 | #include <trace/define_trace.h> |