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pybootchartgui/draw.py: fix drawing of samples not starting at zero 

The code did not handle x scaling correctly when drawing starts at
some time larger than zero, i.e. it worked for normal bootchart data,
but not for the system statistics recorded by buildstats.bbclass.

(From OE-Core rev: 166f8f9aaa1f01fc6d6a5451f8f06b815c51ffae)

Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Patrick Ohly 2016-11-30 10:50:03 +01:00 committed by Richard Purdie
parent 7b8ffa18fd
commit a2c2092195
1 changed files with 1 additions and 1 deletions
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scripts/pybootchartgui/pybootchartgui/draw.py
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@ -256,7 +256,7 @@ 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
xscale = float (chart_bounds[2]) / (max_x - x_shift)
# 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.