A Smackerel of Opinion

Sometimes the Scaling Maximum Frequency of a CPU is reduced below that of the possible top frequency and finding out why this is can be prob...

Now and again while debugging systems I would like to be able to evaluate an ACPI method or object and see what it returns.    To solve this...

SystemTap provides a flexible programming language to prototype debugging scripts very quickly.  Sometimes however, one has to use "emb...

Last night I was asked why Mac Minis require "setpci -s 0:1f.0 0xa4.b=0" to force the Mac to auto-reboot in the event of a power f...