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authorRichard Purdie <richard.purdie@linuxfoundation.org>2021-05-01 12:25:55 +0100
committerRichard Purdie <richard.purdie@linuxfoundation.org>2021-05-02 23:21:39 +0100
commitb71d30aef5dc2c360432c0dd4147859dd303ea48 (patch)
tree3208d31e4f8184b43104864e6c34a857b9f3e051 /scripts
parentd2962c51e5588166b0618cd37364df32f040f671 (diff)
downloadopenembedded-core-contrib-b71d30aef5dc2c360432c0dd4147859dd303ea48.tar.gz
pybootchart/draw: Avoid divide by zero error
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] Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/pybootchartgui/pybootchartgui/draw.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/pybootchartgui/pybootchartgui/draw.py b/scripts/pybootchartgui/pybootchartgui/draw.py
index 53324b9f8b..29eb7505bc 100644
--- a/scripts/pybootchartgui/pybootchartgui/draw.py
+++ b/scripts/pybootchartgui/pybootchartgui/draw.py
@@ -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
# data_range matches the chart bounds exactly.
# 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])
ybase = data_range[0]
else: