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authorRichard Purdie <richard.purdie@linuxfoundation.org>2021-05-01 12:25:55 +0100
committerSteve Sakoman <steve@sakoman.com>2021-05-07 05:21:23 -1000
commit6c4355cd13ae47c327ddc5e9b66623e44ba5b118 (patch)
tree95a2a09f896cd0adce9bffcbd55fd9f40c92b2ee
parent362416f7960919dc66acce4f7b2d25f607dee14a (diff)
downloadopenembedded-core-contrib-6c4355cd13ae47c327ddc5e9b66623e44ba5b118.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> (cherry picked from commit b71d30aef5dc2c360432c0dd4147859dd303ea48) Signed-off-by: Steve Sakoman <steve@sakoman.com>
-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: