Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-requ…

…est' into staging # gpg: Signature made Wed 07 Jun 2017 19:55:32 BST # gpg: using RSA key 0x9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <[email protected]>" # gpg: aka "Stefan Hajnoczi <[email protected]>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/tracing-pull-request: simpletrace: Improve the error message if event is not declared Signed-off-by: Peter Maydell <[email protected]>
pfliu · Jun 12, 2017 · 5093f02 · 5093f02
2 parents 2a8469a + 249e9f7
commit 5093f02
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/scripts/simpletrace.py b/scripts/simpletrace.py
@@ -42,7 +42,15 @@ def get_record(edict, idtoname, rechdr, fobj):
         event_id = rechdr[0]
         name = idtoname[event_id]
         rec = (name, rechdr[1], rechdr[3])
-        event = edict[name]
+        try:
+            event = edict[name]
+        except KeyError, e:
+            import sys
+            sys.stderr.write('%s event is logged but is not declared ' \
+                             'in the trace events file, try using ' \
+                             'trace-events-all instead.\n' % str(e))
+            sys.exit(1)
+
         for type, name in event.args:
             if is_string(type):
                 l = fobj.read(4)