Add event handle to plugin print callback

The plugin should have the ability to look at information in
the event (like offsets and sizes of fields). To do this we need
to pass the event handle to the callback.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

3 files changed, 11 insertions, 4 deletions

diff --git a/parse-events.c b/parse-events.c
index 54a6ab0..1527c2b 100644
--- a/parse-events.c
+++ b/parse-events.c
@@ -3253,7 +3253,7 @@ void pevent_print_event(struct trace_seq *s,
         trace_seq_printf(s, " %5lu.%06lu: %s: ", secs, usecs, event->name);
 
         if (event->handler)
-                event->handler(s, data, size);
+                event->handler(s, data, size, event);
         else
                 pretty_print(s, data, size, event);
         trace_seq_putc(s, '\n');
diff --git a/parse-events.h b/parse-events.h
index b4e7fdf..a29c295 100644
--- a/parse-events.h
+++ b/parse-events.h
@@ -45,8 +45,13 @@ extern int trace_seq_do_printf(struct trace_seq *s);
 
 /* ----------------------- pevent ----------------------- */
 
+struct event;
+
+typedef int (*pevent_event_handler_func)(struct trace_seq *s,
+                                         void *data, int size,
+                                         struct event *event);
+
 typedef int (*pevent_plugin_load_func)(void);
-typedef int (*pevent_event_handler_func)(struct trace_seq *s, void *data, int size);
 
 #define PEVENT_PLUGIN_LOADER pevent_plugin_loader
 #define MAKE_STR(x) #x
diff --git a/test_plugin.c b/test_plugin.c
index c7f3b8b..3a23556 100644
--- a/test_plugin.c
+++ b/test_plugin.c
@@ -4,7 +4,8 @@
 
 #include "parse-events.h"
 
-static int timer_expire_handler(struct trace_seq *s, void *data, int size)
+static int timer_expire_handler(struct trace_seq *s, void *data, int size,
+                                struct event *event)
 {
         void *hrtimer = data + 16;
         long long now = *(long long *)(data + 24);
@@ -15,7 +16,8 @@ static int timer_expire_handler(struct trace_seq *s, void *data, int size)
         return ret;
 }
 
-static int timer_start_handler(struct trace_seq *s, void *data, int size)
+static int timer_start_handler(struct trace_seq *s, void *data, int size,
+                               struct event *event)
 {
         void *hrtimer = data + 16;
         void *function = data + 24;