kernel/include/trace/events/context_tracking.h

   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>