LXR linux/include/trace/events/context

   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
  10DECLARE_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 */
  34DEFINE_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 */
  48DEFINE_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