[PATCH] trace-cruncher: Fix the class 'event' constructor

["Yordan Karadzhov (VMware)" <y.karadz@xxxxxxxxx>]

The constructor must fail in the case when the event is not found
on the system.

Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@xxxxxxxxx>
---
 tracecruncher/ft_utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tracecruncher/ft_utils.py b/tracecruncher/ft_utils.py
index 1fc0648..b5f031a 100644
--- a/tracecruncher/ft_utils.py
+++ b/tracecruncher/ft_utils.py
@@ -46,6 +46,8 @@ class event:
         self.instance_list = []
         if static:
             self.evt_id = find_event_id(system, name)
+            if self.evt_id < 0:
+                raise ValueError('Faild to find event {0}/{1}'.format(system, name))
         else:
             self.evt_id = -1
 
-- 
2.30.2