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| author | Brendan Jackman <brendan.jackman@arm.com> | 2017-04-26 18:26:21 +0100 |
|---|---|---|
| committer | Brendan Jackman <brendan.jackman@arm.com> | 2017-04-26 18:26:21 +0100 |
| commit | 15c5a1f0d3927984b6c5d150127f83747fb135c8 (patch) | |
| tree | 13d234c0a1585a5a2515ca0c1667f7577316e5b2 /trappy | |
| parent | 3e3ba734d077b116ecf912a51d3428ca6e8ae329 (diff) | |
| download | trappy-15c5a1f0d3927984b6c5d150127f83747fb135c8.tar.gz | |
AbstractDataPlotter: Improve error message for bad signal def
Diffstat (limited to 'trappy')
| -rw-r--r-- | trappy/plotter/AbstractDataPlotter.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/trappy/plotter/AbstractDataPlotter.py b/trappy/plotter/AbstractDataPlotter.py index e4891d8..254709c 100644 --- a/trappy/plotter/AbstractDataPlotter.py +++ b/trappy/plotter/AbstractDataPlotter.py @@ -76,6 +76,11 @@ class AbstractDataPlotter(object): match = re.match(r"(?P<event>[^:]+):(?P<column>[^:]+)(?P<color>:.+)?", signal_def) + if not match: + raise ValueError( + 'Invalid signal definition "{}". ' + 'Should have the form "trace_class:column" ' + 'e.g. "cpu_frequency:frequency"'.format(signal_def)) event = match.group("event") column = match.group("column") color_match = match.group("color") |