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author | Richard Purdie <richard.purdie@linuxfoundation.org> | 2021-09-20 16:40:32 +0100 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2021-10-07 15:10:33 +0100 |
commit | ff75921e81b372909f4237e8cb30d4fd57300229 (patch) | |
tree | 9e7f9a47e2a7aae0a95a3de14cfdb07ee9d6badf /scripts/pybootchartgui | |
parent | 1d175bfd8526f20e0a440f59a2515736a0c17e26 (diff) | |
download | poky-ff75921e81b372909f4237e8cb30d4fd57300229.tar.gz |
pybootchart: Avoid divide by zero
Avoid a rare divide by zero error if there isn't data point spread.
[YOCTO #14547]
(From OE-Core rev: 6b0e7d478bf23bcae774422160be51419c45c386)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit d7e36d01e87ddf89f76f164a0b7d98f597a53fa5)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts/pybootchartgui')
-rw-r--r-- | scripts/pybootchartgui/pybootchartgui/draw.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/scripts/pybootchartgui/pybootchartgui/draw.py b/scripts/pybootchartgui/pybootchartgui/draw.py index 29eb7505bc..fc708b55c3 100644 --- a/scripts/pybootchartgui/pybootchartgui/draw.py +++ b/scripts/pybootchartgui/pybootchartgui/draw.py | |||
@@ -267,7 +267,10 @@ def draw_chart(ctx, color, fill, chart_bounds, data, proc_tree, data_range): | |||
267 | # avoid divide by zero | 267 | # avoid divide by zero |
268 | if max_y == 0: | 268 | if max_y == 0: |
269 | max_y = 1.0 | 269 | max_y = 1.0 |
270 | xscale = float (chart_bounds[2]) / (max_x - x_shift) | 270 | if (max_x - x_shift): |
271 | xscale = float (chart_bounds[2]) / (max_x - x_shift) | ||
272 | else: | ||
273 | xscale = float (chart_bounds[2]) | ||
271 | # If data_range is given, scale the chart so that the value range in | 274 | # If data_range is given, scale the chart so that the value range in |
272 | # data_range matches the chart bounds exactly. | 275 | # data_range matches the chart bounds exactly. |
273 | # Otherwise, scale so that the actual data matches the chart bounds. | 276 | # Otherwise, scale so that the actual data matches the chart bounds. |