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| author | Stefan Hajnoczi | 2018-01-10 21:25:51 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi | 2018-01-29 11:34:55 +0100 |
| commit | 5069b561894206b65a16c3b8cfebd6b3e76c61d6 (patch) | |
| tree | b75aa2d0ab03abc3d86876f25509bb3240484073 /scripts/tracetool | |
| parent | Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2018-01-26' into st... (diff) | |
| download | qemu-5069b561894206b65a16c3b8cfebd6b3e76c61d6.tar.gz qemu-5069b561894206b65a16c3b8cfebd6b3e76c61d6.tar.xz qemu-5069b561894206b65a16c3b8cfebd6b3e76c61d6.zip | |
tracetool: prefix parse errors with line numbers
Include the file line number in the message that is printed when
trace-events parse errors are raised.
[Use enumerate(fobj, 1) to avoid having to increment a 0-based index
later, as suggested by Eric Blake.
--Stefan]
Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20180110202553.31889-2-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/tracetool')
| -rw-r--r-- | scripts/tracetool/__init__.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py index 0670ec17d5..a744e26f91 100644 --- a/scripts/tracetool/__init__.py +++ b/scripts/tracetool/__init__.py @@ -300,13 +300,18 @@ def read_events(fobj): """ events = [] - for line in fobj: + for lineno, line in enumerate(fobj, 1): if not line.strip(): continue if line.lstrip().startswith('#'): continue - event = Event.build(line) + try: + event = Event.build(line) + except ValueError as e: + arg0 = 'Error on line %d: %s' % (lineno, e.args[0]) + e.args = (arg0,) + e.args[1:] + raise # transform TCG-enabled events if "tcg" not in event.properties: |