diff options
Diffstat (limited to 'include/trace/events/context_tracking.h')
| -rw-r--r-- | include/trace/events/context_tracking.h | 58 | 
1 files changed, 58 insertions, 0 deletions
diff --git a/include/trace/events/context_tracking.h b/include/trace/events/context_tracking.h new file mode 100644 index 00000000000..ce8007cf29c --- /dev/null +++ b/include/trace/events/context_tracking.h @@ -0,0 +1,58 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM context_tracking + +#if !defined(_TRACE_CONTEXT_TRACKING_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_CONTEXT_TRACKING_H + +#include <linux/tracepoint.h> + +DECLARE_EVENT_CLASS(context_tracking_user, + +	TP_PROTO(int dummy), + +	TP_ARGS(dummy), + +	TP_STRUCT__entry( +		__field( int,	dummy	) +	), + +	TP_fast_assign( +		__entry->dummy		= dummy; +	), + +	TP_printk("%s", "") +); + +/** + * user_enter - called when the kernel resumes to userspace + * @dummy:	dummy arg to make trace event macro happy + * + * This event occurs when the kernel resumes to userspace  after + * an exception or a syscall. + */ +DEFINE_EVENT(context_tracking_user, user_enter, + +	TP_PROTO(int dummy), + +	TP_ARGS(dummy) +); + +/** + * user_exit - called when userspace enters the kernel + * @dummy:	dummy arg to make trace event macro happy + * + * This event occurs when userspace enters the kernel through + * an exception or a syscall. + */ +DEFINE_EVENT(context_tracking_user, user_exit, + +	TP_PROTO(int dummy), + +	TP_ARGS(dummy) +); + + +#endif /*  _TRACE_CONTEXT_TRACKING_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h>  | 
