Nate Lawson wrote: > Below is the first patch of cpufreq for wider testing. It has the > framework, cpu pseudodriver updates, and two hardware drivers -- ACPI > performance states and SpeedStep-ICH. It has had a lot of testing on > supported hardware but needs wider testing before importing. Other > hardware drivers can be quickly ported to this interface, and I'm happy > to assist their maintainers. > > http://www.root.org/~nate/freebsd/cpufreq.diff Sorry, I'm so familiar with the interface that I forgot to mention how to use it. To test, build a new kernel and modules. Load one or both of acpi_perf.ko and cpufreq.ko at boot time. Type "sysctl dev.cpu" to see the new freq and freq_levels output. If you're a driver maintainer, see sys/cpu.h and speedstep_ich.c or acpi_perf.c for an example how to provide the driver interface. -- NateReceived on Tue Feb 01 2005 - 16:08:15 UTC
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