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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM context_tracking |
| 4 | |
| 5 | #if !defined(_TRACE_CONTEXT_TRACKING_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define _TRACE_CONTEXT_TRACKING_H |
| 7 | |
| 8 | #include <linux/tracepoint.h> |
| 9 | |
| 10 | DECLARE_EVENT_CLASS(context_tracking_user, |
| 11 | |
| 12 | TP_PROTO(int dummy), |
| 13 | |
| 14 | TP_ARGS(dummy), |
| 15 | |
| 16 | TP_STRUCT__entry( |
| 17 | __field( int, dummy ) |
| 18 | ), |
| 19 | |
| 20 | TP_fast_assign( |
| 21 | __entry->dummy = dummy; |
| 22 | ), |
| 23 | |
| 24 | TP_printk("%s", "") |
| 25 | ); |
| 26 | |
| 27 | /** |
| 28 | * user_enter - called when the kernel resumes to userspace |
| 29 | * @dummy: dummy arg to make trace event macro happy |
| 30 | * |
| 31 | * This event occurs when the kernel resumes to userspace after |
| 32 | * an exception or a syscall. |
| 33 | */ |
| 34 | DEFINE_EVENT(context_tracking_user, user_enter, |
| 35 | |
| 36 | TP_PROTO(int dummy), |
| 37 | |
| 38 | TP_ARGS(dummy) |
| 39 | ); |
| 40 | |
| 41 | /** |
| 42 | * user_exit - called when userspace enters the kernel |
| 43 | * @dummy: dummy arg to make trace event macro happy |
| 44 | * |
| 45 | * This event occurs when userspace enters the kernel through |
| 46 | * an exception or a syscall. |
| 47 | */ |
| 48 | DEFINE_EVENT(context_tracking_user, user_exit, |
| 49 | |
| 50 | TP_PROTO(int dummy), |
| 51 | |
| 52 | TP_ARGS(dummy) |
| 53 | ); |
| 54 | |
| 55 | |
| 56 | #endif /* _TRACE_CONTEXT_TRACKING_H */ |
| 57 | |
| 58 | /* This part must be outside protection */ |
| 59 | #include <trace/define_trace.h> |
| 60 |
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