On Thu, Aug 13, 2009 at 02:29:08PM -0400, Forest Bond wrote: > Hi, > > On Thu, Aug 13, 2009 at 01:25:57PM -0400, Forest Bond wrote: > > I'm using an Intel Johnstown board with an Atom N270 processor. Performance > > seems to improve dramatically with acpi-cpufreq loaded. This caught me by > > surprise. I had assumed that without loading acpi-cpufreq the CPU would be > > running at its maximum speed all the time. > > I ran some tests to get some numbers. My findings indicate that before > acpi-cpufreq is loaded the CPU is running at 800MHz even though /proc/cpuinfo > indicates 1.6GHz. if no cpufreq modules have been loaded, the CPU will be running at whatever p-state the BIOS programmed it to start up at. In your case for some reason, that's the 'slow' speed. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
