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authorRichard Purdie <richard.purdie@linuxfoundation.org>2021-09-20 16:40:32 +0100
committerAnuj Mittal <anuj.mittal@intel.com>2021-09-29 16:22:10 +0800
commitaf8a9ecacc00e9166a7b754c25e55334c65af82d (patch)
treef8679f16d5f4bc45a7b5474db7cbda2714fb2751
parent75cdae00b80e0a64bb02f274cdf8b9a321bd57e5 (diff)
downloadopenembedded-core-contrib-af8a9ecacc00e9166a7b754c25e55334c65af82d.tar.gz
pybootchart: Avoid divide by zero
Avoid a rare divide by zero error if there isn't data point spread. [YOCTO #14547] Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit d7e36d01e87ddf89f76f164a0b7d98f597a53fa5) Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
-rw-r--r--scripts/pybootchartgui/pybootchartgui/draw.py5
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):
# avoid divide by zero
if max_y == 0:
max_y = 1.0
- xscale = float (chart_bounds[2]) / (max_x - x_shift)
+ if (max_x - x_shift):
+ xscale = float (chart_bounds[2]) / (max_x - x_shift)
+ else:
+ xscale = float (chart_bounds[2])
# 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.