trace: include filename when printing parser error messages

Improves error messages from:

  ValueError: Error on line 72: need more than 1 value to unpack

To

  ValueError: Error at /home/berrange/src/virt/qemu/trace-events:72:
    need more than 1 value to unpack

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180306154650.24075-1-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Daniel P. Berrangé 2018-03-06 15:46:50 +00:00 committed by Stefan Hajnoczi
parent e42860ae83
commit 86b5aacfb9
3 changed files with 7 additions and 5 deletions

View file

@ -142,7 +142,7 @@ def main(args):
events = []
for arg in args:
with open(arg, "r") as fh:
events.extend(tracetool.read_events(fh))
events.extend(tracetool.read_events(fh, arg))
try:
tracetool.generate(events, arg_group, arg_format, arg_backends,