Firstly, just wondering if anyone has experience of ACPI on laptops to share
Secondly, I've an ACPI battery monitor ... nice small WM applet, supports
APM and ACPI. With APM it takes almost zero RAM (expected) and almost no
processor. Using the same polling frequency on ACPI it seems to be using
about 4% CPU ...
In both cases it's parsing the information directly from the files exposed
in /proc (/proc/apm and /proc/acpi/battery/BAT1/state)
Could the extra CPU be in the ACPI kernel code ... anything being run on the
ACPI code is also in the APM code ... but it causes erratic pauses in
responsiveness ... otherwise the battery monitor works very nicely !
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