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> 59