Package: wmacpi
Version: 2.1-6
Wmacpi has a subtle bug which renders alot of its redundant-drawing-avoidance
logic pointless, and contributes significantly to it's excessive CPU usage.
The problem is on line 418 of wmacpi.c:
enum panel_states power = PS_NULL;
it should be:
static enum panel_states power = PS_NULL;
Every time set_power_panel() is called (every iteration of the main loop)
the power variable is initialized to PS_NULL. This causes the following
set_power_panel() logic to determine the power status has changed, the glyph is
then redrawn erroneously and thus the whole X window gets updated.
Adding the static prefix causes the power variable to be initialized once to
PS_NULL. Then the state of the power varible persists across calls, which is
clearly the intended design.
I didnt bother with a proper patch since it's literally one line changed.
I've cc'd the upstream maintainer as well.
Regards,
Vito Caputo
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