include/trace/events/context_tracking.h

   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>