From 5f3efd1dcebc35d44cce39630ae00980a45d9247 Mon Sep 17 00:00:00 2001 From: Vincent Donnefort Date: Mon, 9 Mar 2026 16:24:57 +0000 Subject: tracing: Add helpers to create trace remote events Declaring remote events can be cumbersome let's add a set of macros to simplify developers life. The declaration of a remote event is very similar to kernel's events: REMOTE_EVENT(name, id, RE_STRUCT( re_field(u64 foo) ), RE_PRINTK("foo=%llu", __entry->foo) ) Link: https://patch.msgid.link/20260309162516.2623589-12-vdonnefort@google.com Reviewed-by: Steven Rostedt (Google) Signed-off-by: Vincent Donnefort Signed-off-by: Steven Rostedt (Google) --- include/linux/trace_remote_event.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/linux') diff --git a/include/linux/trace_remote_event.h b/include/linux/trace_remote_event.h index a4449008a075..c8ae1e1f5e72 100644 --- a/include/linux/trace_remote_event.h +++ b/include/linux/trace_remote_event.h @@ -5,6 +5,7 @@ struct trace_remote; struct trace_event_fields; +struct trace_seq; struct remote_event_hdr { unsigned short id; @@ -20,4 +21,13 @@ struct remote_event { char *print_fmt; void (*print)(void *evt, struct trace_seq *seq); }; + +#define RE_STRUCT(__args...) __args +#define re_field(__type, __field) __type __field; + +#define REMOTE_EVENT_FORMAT(__name, __struct) \ + struct remote_event_format_##__name { \ + struct remote_event_hdr hdr; \ + __struct \ + } #endif -- cgit v1.2.3