Frederic Weisbecker | 1b6a259 | 2013-07-11 20:27:43 +0200 | [diff] [blame] | 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM context_tracking |
| 3 | |
| 4 | #if !defined(_TRACE_CONTEXT_TRACKING_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define _TRACE_CONTEXT_TRACKING_H |
| 6 | |
| 7 | #include <linux/tracepoint.h> |
| 8 | |
| 9 | DECLARE_EVENT_CLASS(context_tracking_user, |
| 10 | |
| 11 | TP_PROTO(int dummy), |
| 12 | |
| 13 | TP_ARGS(dummy), |
| 14 | |
| 15 | TP_STRUCT__entry( |
| 16 | __field( int, dummy ) |
| 17 | ), |
| 18 | |
| 19 | TP_fast_assign( |
| 20 | __entry->dummy = dummy; |
| 21 | ), |
| 22 | |
| 23 | TP_printk("%s", "") |
| 24 | ); |
| 25 | |
| 26 | /** |
| 27 | * user_enter - called when the kernel resumes to userspace |
| 28 | * @dummy: dummy arg to make trace event macro happy |
| 29 | * |
| 30 | * This event occurs when the kernel resumes to userspace after |
| 31 | * an exception or a syscall. |
| 32 | */ |
| 33 | DEFINE_EVENT(context_tracking_user, user_enter, |
| 34 | |
| 35 | TP_PROTO(int dummy), |
| 36 | |
| 37 | TP_ARGS(dummy) |
| 38 | ); |
| 39 | |
| 40 | /** |
| 41 | * user_exit - called when userspace enters the kernel |
| 42 | * @dummy: dummy arg to make trace event macro happy |
| 43 | * |
| 44 | * This event occurs when userspace enters the kernel through |
| 45 | * an exception or a syscall. |
| 46 | */ |
| 47 | DEFINE_EVENT(context_tracking_user, user_exit, |
| 48 | |
| 49 | TP_PROTO(int dummy), |
| 50 | |
| 51 | TP_ARGS(dummy) |
| 52 | ); |
| 53 | |
| 54 | |
| 55 | #endif /* _TRACE_CONTEXT_TRACKING_H */ |
| 56 | |
| 57 | /* This part must be outside protection */ |
| 58 | #include <trace/define_trace.h> |