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