Change test plugin to override hrtimer events start and expire_entry

The hrtimer events hrtimer_start and hrtimer_expire_entry currently
fail to parse. Override these events to show better data.

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

1 files changed, 25 insertions, 6 deletions

diff --git a/test_plugin.c b/test_plugin.c
index 26edbad..c7f3b8b 100644
--- a/test_plugin.c
+++ b/test_plugin.c
@@ -4,13 +4,28 @@
 
 #include "parse-events.h"
 
-static int handler(struct trace_seq *s, void *data, int size)
+static int timer_expire_handler(struct trace_seq *s, void *data, int size)
 {
+        void *hrtimer = data + 16;
+        long long now = *(long long *)(data + 24);
         int ret;
 
-        ret = trace_seq_printf(s, "COMM: %s state is %d next is %s",
-                               (char *)(data+12), *(int *)(data + 40),
-                               (char *)(data+48));
+        ret = trace_seq_printf(s, "hrtimer=%p now=%llu",
+                               hrtimer, now);
+        return ret;
+}
+
+static int timer_start_handler(struct trace_seq *s, void *data, int size)
+{
+        void *hrtimer = data + 16;
+        void *function = data + 24;
+        long long expires = *(long long *)(data + 32);
+        long long soft = *(long long *)(data + 40);
+        int ret;
+
+        ret = trace_seq_printf(s, "hrtimer=%p function=%pf expires=%llu softexpires=%llu",
+                               hrtimer, function,
+                               expires, soft);
         return ret;
 }
 
@@ -18,7 +33,11 @@ int PEVENT_PLUGIN_LOADER(void)
 {
         printf("HELLO WORLD!!!\n");
 
-        pevent_register_event_handler(-1, "sched", "sched_switch",
-                                      handler);
+        pevent_register_event_handler(-1, "timer", "hrtimer_expire_entry",
+                                      timer_expire_handler);
+
+        pevent_register_event_handler(-1, "timer", "hrtimer_start",
+                                      timer_start_handler);
+
         return 0;
 }