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pybootchart/draw: Avoid divide by zero error

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When disk stats don't run frequenctly enough, we see divide by zero
errors. The code already has a fallback path so ensure we use it
for this case too.

[YOCTO #14360]

(From OE-Core rev: f9d9f0333bd7c590eb1307c429d43408abffeb00)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit b71d30aef5dc2c360432c0dd4147859dd303ea48)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2021-05-01 12:25:55 +01:00
parent 7e61f58125
commit e4068c5359
1 changed files with 1 additions and 1 deletions
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2
scripts/pybootchartgui/pybootchartgui/draw.py
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@@ -271,7 +271,7 @@ def draw_chart(ctx, color, fill, chart_bounds, data, proc_tree, data_range):
# If data_range is given, scale the chart so that the value range in # If data_range is given, scale the chart so that the value range in
# data_range matches the chart bounds exactly. # data_range matches the chart bounds exactly.
# Otherwise, scale so that the actual data matches the chart bounds. # Otherwise, scale so that the actual data matches the chart bounds.
if data_range: if data_range and (data_range[1] - data_range[0]):
yscale = float(chart_bounds[3]) / (data_range[1] - data_range[0]) yscale = float(chart_bounds[3]) / (data_range[1] - data_range[0])
ybase = data_range[0] ybase = data_range[0]
else: else: